RPS-BLAST 2.2.26 [Sep-21-2011]
Database: CDD.v3.10
44,354 sequences; 10,937,602 total letters
Searching..................................................done
Query= psy14567
(238 letters)
>gnl|CDD|187609 cd05351, XR_like_SDR_c, xylulose reductase-like, classical (c)
SDRs. Members of this subgroup include proteins
identified as L-xylulose reductase (XR) and carbonyl
reductase; they are members of the SDR family. XR,
catalyzes the NADP-dependent reduction of L-xyulose and
other sugars. Tetrameric mouse carbonyl reductase is
involved in the metabolism of biogenic and xenobiotic
carbonyl compounds. This subgroup also includes
tetrameric chicken liver D-erythrulose reductase, which
catalyzes the reduction of D-erythrulose to D-threitol.
SDRs are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet), an NAD(P)(H)-binding
region, and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRS are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD-binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes have a 3-glycine N-terminal NAD(P)(H)-binding
pattern (typically, TGxxxGxG in classical SDRs and
TGxxGxxG in extended SDRs), while substrate binding is
in the C-terminal region. A critical catalytic Tyr
residue (Tyr-151, human 15-hydroxyprostaglandin
dehydrogenase (15-PGDH) numbering), is often found in a
conserved YXXXK pattern. In addition to the Tyr and Lys,
there is often an upstream Ser (Ser-138, 15-PGDH
numbering) and/or an Asn (Asn-107, 15-PGDH numbering) or
additional Ser, contributing to the active site.
Substrates for these enzymes include sugars, steroids,
alcohols, and aromatic compounds. The standard reaction
mechanism is a proton relay involving the conserved Tyr
and Lys, as well as Asn (or Ser).
Length = 244
Score = 252 bits (645), Expect = 5e-85
Identities = 108/194 (55%), Positives = 142/194 (73%), Gaps = 1/194 (0%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKVGPV 82
GIGR V+ L++ A ++A+S+TQA+LDSL + P ++ V VDL DW T A+ VGPV
Sbjct: 18 GIGRATVKALAKAGARVVAVSRTQADLDSLVRECPGIEPVCVDLSDWDATEEALGSVGPV 77
Query: 83 DVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIVNVSS 142
D+L+NNAAVA FL++ +E D FDVN++AVI++SQ+V++ MI + GSIVNVSS
Sbjct: 78 DLLVNNAAVAILQPFLEVTKEA-FDRSFDVNVRAVIHVSQIVARGMIARGVPGSIVNVSS 136
Query: 143 IAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRTGWSDPAK 202
A + AL HT+Y ++KAALD +T+ MALELGP+ IRVNSV PTVVMT MGR WSDP K
Sbjct: 137 QASQRALTNHTVYCSTKAALDMLTKVMALELGPHKIRVNSVNPTVVMTDMGRDNWSDPEK 196
Query: 203 AGPMLAKTPLGRFA 216
A ML + PLG+FA
Sbjct: 197 AKKMLNRIPLGKFA 210
>gnl|CDD|180817 PRK07060, PRK07060, short chain dehydrogenase; Provisional.
Length = 245
Score = 193 bits (491), Expect = 2e-61
Identities = 86/194 (44%), Positives = 115/194 (59%), Gaps = 2/194 (1%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKVGPV 82
GIGR L+Q A ++A ++ A LD L + +++D+ D A RAA++ G
Sbjct: 20 GIGRACAVALAQRGARVVAAARNAAALDRLAGET-GCEPLRLDVGDDAAIRAALAAAGAF 78
Query: 83 DVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIVNVSS 142
D L+N A +A + LD+ E D + VN + +++ V++ MI GSIVNVSS
Sbjct: 79 DGLVNCAGIASLESALDMTAEGF-DRVMAVNARGAALVARHVARAMIAAGRGGSIVNVSS 137
Query: 143 IAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRTGWSDPAK 202
A L H Y ASKAALD+ITR + +ELGP+ IRVNSV PTV +T M WSDP K
Sbjct: 138 QAALVGLPDHLAYCASKAALDAITRVLCVELGPHGIRVNSVNPTVTLTPMAAEAWSDPQK 197
Query: 203 AGPMLAKTPLGRFA 216
+GPMLA PLGRFA
Sbjct: 198 SGPMLAAIPLGRFA 211
>gnl|CDD|212491 cd05233, SDR_c, classical (c) SDRs. SDRs are a functionally
diverse family of oxidoreductases that have a single
domain with a structurally conserved Rossmann fold
(alpha/beta folding pattern with a central beta-sheet),
an NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Classical SDRs are typically about
250 residues long, while extended SDRs are approximately
350 residues. Sequence identity between different SDR
enzymes are typically in the 15-30% range, but the
enzymes share the Rossmann fold NAD-binding motif and
characteristic NAD-binding and catalytic sequence
patterns. These enzymes catalyze a wide range of
activities including the metabolism of steroids,
cofactors, carbohydrates, lipids, aromatic compounds,
and amino acids, and act in redox sensing. Classical
SDRs have an TGXXX[AG]XG cofactor binding motif and a
YXXXK active site motif, with the Tyr residue of the
active site motif serving as a critical catalytic
residue (Tyr-151, human prostaglandin dehydrogenase
(PGDH) numbering). In addition to the Tyr and Lys, there
is often an upstream Ser (Ser-138, PGDH numbering)
and/or an Asn (Asn-107, PGDH numbering) contributing to
the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 234
Score = 170 bits (433), Expect = 5e-53
Identities = 71/201 (35%), Positives = 106/201 (52%), Gaps = 10/201 (4%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSL---KQAFPNVQTVQVDLQDWARTRAAVSKV 79
GIGR I +L++ A ++ + + L L + N VQ D+ D A V +
Sbjct: 9 GIGRAIARRLAREGAKVVLADRNEEALAELAAIEALGGNAVAVQADVSDEEDVEALVEEA 68
Query: 80 ----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQG 135
G +D+L+NNA +AR ++ +E+ D + DVN+ V +++ M G
Sbjct: 69 LEEFGRLDILVNNAGIARPGPLEELTDED-WDRVLDVNLTGVFLLTRAALPHMKKQG-GG 126
Query: 136 SIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRT 195
IVN+SS+AG L G Y+ASKAAL+ +TR++ALEL PY IRVN+V P +V T M
Sbjct: 127 RIVNISSVAGLRPLPGQAAYAASKAALEGLTRSLALELAPYGIRVNAVAPGLVDTPMLAK 186
Query: 196 GWSDPAKAGPMLAKTPLGRFA 216
+ A+ + A PLGR
Sbjct: 187 LGPEEAE-KELAAAIPLGRLG 206
>gnl|CDD|183775 PRK12826, PRK12826, 3-ketoacyl-(acyl-carrier-protein) reductase;
Reviewed.
Length = 251
Score = 140 bits (356), Expect = 3e-41
Identities = 70/204 (34%), Positives = 100/204 (49%), Gaps = 14/204 (6%)
Query: 23 GIGRCIVEKLSQHEAIIIAL----SKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSK 78
GIGR I +L+ A +I + A + ++ A + QVD++D A +AAV+
Sbjct: 17 GIGRAIAVRLAADGAEVIVVDICGDDAAATAELVEAAGGKARARQVDVRDRAALKAAVAA 76
Query: 79 V----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
G +D+L+ NA + F ++D+E + + DVN+ ++Q +I
Sbjct: 77 GVEDFGRLDILVANAGIFPLTPFAEMDDEQW-ERVIDVNLTGTFLLTQAALPALIR-AGG 134
Query: 135 GSIVNVSSIAG-KTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM- 192
G IV SS+AG + G Y+ASKA L TR +ALEL NI VNSV P V T M
Sbjct: 135 GRIVLTSSVAGPRVGYPGLAHYAASKAGLVGFTRALALELAARNITVNSVHPGGVDTPMA 194
Query: 193 GRTGWSDPAKAGPMLAKTPLGRFA 216
G G D A + A PLGR
Sbjct: 195 GNLG--DAQWAEAIAAAIPLGRLG 216
>gnl|CDD|235546 PRK05653, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Validated.
Length = 246
Score = 140 bits (356), Expect = 4e-41
Identities = 66/201 (32%), Positives = 99/201 (49%), Gaps = 12/201 (5%)
Query: 23 GIGRCIVEKLSQHEAIIIA----LSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSK 78
GIGR I +L+ A ++ +A L+ A + + D+ D A RA +
Sbjct: 16 GIGRAIALRLAADGAKVVIYDSNEEAAEALAAELRAAGGEARVLVFDVSDEAAVRALIEA 75
Query: 79 V----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
G +D+L+NNA + R + EE+ D + DVN+ N+ + MI +
Sbjct: 76 AVEAFGALDILVNNAGITRDALLPRMSEED-WDRVIDVNLTGTFNVVRAALPPMIKAR-Y 133
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGR 194
G IVN+SS++G T G T YSA+KA + T+ +ALEL I VN+V P + T M
Sbjct: 134 GRIVNISSVSGVTGNPGQTNYSAAKAGVIGFTKALALELASRGITVNAVAPGFIDTDMTE 193
Query: 195 TGWSDPAKAGPMLAKTPLGRF 215
G + KA +L + PLGR
Sbjct: 194 -GLPEEVKAE-ILKEIPLGRL 212
>gnl|CDD|235500 PRK05557, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Validated.
Length = 248
Score = 139 bits (353), Expect = 1e-40
Identities = 62/202 (30%), Positives = 102/202 (50%), Gaps = 13/202 (6%)
Query: 23 GIGRCIVEKLSQHEAIII-----ALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVS 77
GIGR I E+L+ A ++ + + +A + + VQ D+ D AV
Sbjct: 16 GIGRAIAERLAAQGANVVINYASSEAGAEALVAEIGALGGKALAVQGDVSDAESVERAVD 75
Query: 78 KV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
+ G VD+L+NNA + R + + + EE+ D + D N+ V N+++ V++ M+ +
Sbjct: 76 EAKAEFGGVDILVNNAGITRDNLLMRMKEEDW-DRVIDTNLTGVFNLTKAVARPMMK-QR 133
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
G I+N+SS+ G G Y+ASKA + T+++A EL I VN+V P + T M
Sbjct: 134 SGRIINISSVVGLMGNPGQANYAASKAGVIGFTKSLARELASRGITVNAVAPGFIETDMT 193
Query: 194 RTGWSDPAKAGPMLAKTPLGRF 215
+ K +LA+ PLGR
Sbjct: 194 DAL-PEDVKEA-ILAQIPLGRL 213
>gnl|CDD|180723 PRK06841, PRK06841, short chain dehydrogenase; Provisional.
Length = 255
Score = 138 bits (349), Expect = 4e-40
Identities = 72/199 (36%), Positives = 106/199 (53%), Gaps = 8/199 (4%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFP-NVQTVQVDLQDWARTRAAVSKV-- 79
GIG I E + A + L +++ + Q N + + D+ D AAV+ V
Sbjct: 26 GIGHAIAELFAAKGARVALLDRSEDVAEVAAQLLGGNAKGLVCDVSDSQSVEAAVAAVIS 85
Query: 80 --GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSI 137
G +D+L+N+A VA D+ EE+ D D+N+K ++Q V + MI G I
Sbjct: 86 AFGRIDILVNSAGVALLAPAEDVSEEDW-DKTIDINLKGSFLMAQAVGRHMIAAG-GGKI 143
Query: 138 VNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRTGW 197
VN++S AG ALE H Y ASKA + +T+ +ALE GPY I VN++ PTVV+T++G+ W
Sbjct: 144 VNLASQAGVVALERHVAYCASKAGVVGMTKVLALEWGPYGITVNAISPTVVLTELGKKAW 203
Query: 198 SDPAKAGPMLAKTPLGRFA 216
+ K P GRFA
Sbjct: 204 AGE-KGERAKKLIPAGRFA 221
>gnl|CDD|223959 COG1028, FabG, Dehydrogenases with different specificities (related
to short-chain alcohol dehydrogenases) [Secondary
metabolites biosynthesis, transport, and catabolism /
General function prediction only].
Length = 251
Score = 136 bits (345), Expect = 1e-39
Identities = 64/207 (30%), Positives = 95/207 (45%), Gaps = 17/207 (8%)
Query: 23 GIGRCIVEKLSQHEA--IIIALSKTQANLDSLKQAFP-----NVQTVQVDL-QDWARTRA 74
GIGR I L++ A ++ A + ++L A V D+ D A
Sbjct: 16 GIGRAIARALAREGARVVVAARRSEEEAAEALAAAIKEAGGGRAAAVAADVSDDEESVEA 75
Query: 75 AVSKV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMID 130
V+ G +D+L+NNA +A D L+ E D + DVN+ +++ +
Sbjct: 76 LVAAAEEEFGRIDILVNNAGIAGPDAPLEELTEEDWDRVIDVNLLGAFLLTRAA----LP 131
Query: 131 HKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT 190
+ IVN+SS+AG G Y+ASKAAL +T+ +ALEL P IRVN+V P + T
Sbjct: 132 LMKKQRIVNISSVAGLGGPPGQAAYAASKAALIGLTKALALELAPRGIRVNAVAPGYIDT 191
Query: 191 QMGRTGWSDP-AKAGPMLAKTPLGRFA 216
M S + A+ PLGR
Sbjct: 192 PMTAALESAELEALKRLAARIPLGRLG 218
>gnl|CDD|237218 PRK12825, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 249
Score = 133 bits (338), Expect = 1e-38
Identities = 64/203 (31%), Positives = 101/203 (49%), Gaps = 13/203 (6%)
Query: 23 GIGRCIVEKLSQHEA-IIIALSKTQANLDSLKQAFP----NVQTVQVDLQDWARTRAAVS 77
G+GR I +L++ A +++ + + L +A Q VQ D+ D A AAV+
Sbjct: 17 GLGRAIALRLARAGADVVVHYRSDEEAAEELVEAVEALGRRAQAVQADVTDKAALEAAVA 76
Query: 78 KV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
G +D+L+NNA + D+ ++ D + DVN+ V ++ + V M +
Sbjct: 77 AAVERFGRIDILVNNAGIFEDKPLADMSDD-EWDEVIDVNLSGVFHLLRAVVPPMR-KQR 134
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
G IVN+SS+AG G + Y+A+KA L +T+ +A EL Y I VN V P + T M
Sbjct: 135 GGRIVNISSVAGLPGWPGRSNYAAAKAGLVGLTKALARELAEYGITVNMVAPGDIDTDMK 194
Query: 194 RTGWSDPAKAGPMLAKTPLGRFA 216
+ +A A+TPLGR
Sbjct: 195 EATIEEAREA--KDAETPLGRSG 215
>gnl|CDD|235975 PRK07231, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 251
Score = 132 bits (334), Expect = 7e-38
Identities = 67/203 (33%), Positives = 95/203 (46%), Gaps = 12/203 (5%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLD---SLKQAFPNVQTVQVDL---QDWART-RAA 75
GIG I + + A ++ + + + + A V D+ D AA
Sbjct: 16 GIGEGIARRFAAEGARVVVTDRNEEAAERVAAEILAGGRAIAVAADVSDEADVEAAVAAA 75
Query: 76 VSKVGPVDVLINNAAVA-RFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
+ + G VD+L+NNA R LD+DE D IF VN+K+ +Q M
Sbjct: 76 LERFGSVDILVNNAGTTHRNGPLLDVDEAEF-DRIFAVNVKSPYLWTQAAVPAMRGEG-G 133
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGR 194
G+IVNV+S AG G Y+ASK A+ ++T+ +A ELGP IRVN+V P VV T +
Sbjct: 134 GAIVNVASTAGLRPRPGLGWYNASKGAVITLTKALAAELGPDKIRVNAVAPVVVETGLLE 193
Query: 195 TGWSDPAKAG--PMLAKTPLGRF 215
+P LA PLGR
Sbjct: 194 AFMGEPTPENRAKFLATIPLGRL 216
>gnl|CDD|187594 cd05333, BKR_SDR_c, beta-Keto acyl carrier protein reductase (BKR),
involved in Type II FAS, classical (c) SDRs. This
subgroup includes the Escherichai coli K12 BKR, FabG.
BKR catalyzes the NADPH-dependent reduction of ACP in
the first reductive step of de novo fatty acid synthesis
(FAS). FAS consists of four elongation steps, which are
repeated to extend the fatty acid chain through the
addition of two-carbo units from malonyl acyl-carrier
protein (ACP): condensation, reduction, dehydration, and
a final reduction. Type II FAS, typical of plants and
many bacteria, maintains these activities on discrete
polypeptides, while type I FAS utilizes one or two
multifunctional polypeptides. BKR resembles enoyl
reductase, which catalyzes the second reduction step in
FAS. SDRs are a functionally diverse family of
oxidoreductases that have a single domain with
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet) NAD(P)(H) binding
region and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRS are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes have a 3-glycine N-terminal NAD(P)(H) binding
pattern: TGxxxGxG in classical SDRs. Extended SDRs have
additional elements in the C-terminal region, and
typically have a TGXXGXXG cofactor binding motif.
Complex (multidomain) SDRs such as ketoreductase domains
of fatty acid synthase have a GGXGXXG NAD(P) binding
motif and an altered active site motif (YXXXN). Fungal
type type ketoacyl reductases have a TGXXXGX(1-2)G
NAD(P)-binding motif. Some atypical SDRs have lost
catalytic activity and/or have an unusual NAD(P) binding
motif and missing or unusual active site residues.
Reactions catalyzed within the SDR family include
isomerization, decarboxylation, epimerization, C=N bond
reduction, dehydratase activity, dehalogenation,
Enoyl-CoA reduction, and carbonyl-alcohol
oxidoreduction. A critical catalytic Tyr residue
(Tyr-151, human 15-hydroxyprostaglandin dehydrogenase
(15-PGDH) numbering), is often found in a conserved
YXXXK pattern. In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) or additional
Ser, contributing to the active site. Substrates for
these enzymes include sugars, steroids, alcohols, and
aromatic compounds. The standard reaction mechanism is a
proton relay involving the conserved Tyr-151 and
Lys-155, and well as Asn-111 (or Ser). Some SDR family
members, including 17 beta-hydroxysteroid dehydrogenase
contain an additional helix-turn-helix motif that is not
generally found among SDRs.
Length = 240
Score = 129 bits (328), Expect = 4e-37
Identities = 63/202 (31%), Positives = 100/202 (49%), Gaps = 12/202 (5%)
Query: 23 GIGRCIVEKLSQHEAIIIA----LSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSK 78
GIGR I +L+ A + ++ +K N ++ D+ D A V K
Sbjct: 11 GIGRAIALRLAAEGAKVAVTDRSEEAAAETVEEIKALGGNAAALEADVSDREAVEALVEK 70
Query: 79 V----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
V GPVD+L+NNA + R + + + EE+ D++ +VN+ V N++Q V + MI +
Sbjct: 71 VEAEFGPVDILVNNAGITRDNLLMRMSEEDW-DAVINVNLTGVFNVTQAVIRAMIKRR-S 128
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGR 194
G I+N+SS+ G G Y+ASKA + T+++A EL I VN+V P + T M
Sbjct: 129 GRIINISSVVGLIGNPGQANYAASKAGVIGFTKSLAKELASRGITVNAVAPGFIDTDMTD 188
Query: 195 TGWSDPAKAGPMLAKTPLGRFA 216
+ +L + PLGR
Sbjct: 189 ALPEKVKEK--ILKQIPLGRLG 208
>gnl|CDD|226674 COG4221, COG4221, Short-chain alcohol dehydrogenase of unknown
specificity [General function prediction only].
Length = 246
Score = 125 bits (316), Expect = 2e-35
Identities = 50/174 (28%), Positives = 90/174 (51%), Gaps = 8/174 (4%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQ--TVQVDLQDWARTRAAVS--- 77
GIG L++ A ++ ++ + L++L + +D+ D A AA+
Sbjct: 17 GIGEATARALAEAGAKVVLAARREERLEALADEIGAGAALALALDVTDRAAVEAAIEALP 76
Query: 78 -KVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGS 136
+ G +D+L+NNA +A D + D ++ D + D N+K ++N ++ V M++ K G
Sbjct: 77 EEFGRIDILVNNAGLALGDPLDEADLDD-WDRMIDTNVKGLLNGTRAVLPGMVERK-SGH 134
Query: 137 IVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT 190
I+N+ SIAG+ G +Y A+KAA+ + + + EL IRV + P +V T
Sbjct: 135 IINLGSIAGRYPYPGGAVYGATKAAVRAFSLGLRQELAGTGIRVTVISPGLVET 188
>gnl|CDD|187632 cd05374, 17beta-HSD-like_SDR_c, 17beta hydroxysteroid
dehydrogenase-like, classical (c) SDRs.
17beta-hydroxysteroid dehydrogenases are a group of
isozymes that catalyze activation and inactivation of
estrogen and androgens. SDRs are a functionally diverse
family of oxidoreductases that have a single domain with
a structurally conserved Rossmann fold (alpha/beta
folding pattern with a central beta-sheet), an
NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Classical SDRs are typically about
250 residues long, while extended SDRs are approximately
350 residues. Sequence identity between different SDR
enzymes are typically in the 15-30% range, but the
enzymes share the Rossmann fold NAD-binding motif and
characteristic NAD-binding and catalytic sequence
patterns. These enzymes catalyze a wide range of
activities including the metabolism of steroids,
cofactors, carbohydrates, lipids, aromatic compounds,
and amino acids, and act in redox sensing. Classical
SDRs have an TGXXX[AG]XG cofactor binding motif and a
YXXXK active site motif, with the Tyr residue of the
active site motif serving as a critical catalytic
residue (Tyr-151, human 15-hydroxyprostaglandin
dehydrogenase (15-PGDH) numbering). In addition to the
Tyr and Lys, there is often an upstream Ser (Ser-138,
15-PGDH numbering) and/or an Asn (Asn-107, 15-PGDH
numbering) contributing to the active site; while
substrate binding is in the C-terminal region, which
determines specificity. The standard reaction mechanism
is a 4-pro-S hydride transfer and proton relay involving
the conserved Tyr and Lys, a water molecule stabilized
by Asn, and nicotinamide. Extended SDRs have additional
elements in the C-terminal region, and typically have a
TGXXGXXG cofactor binding motif. Complex (multidomain)
SDRs such as ketoreductase domains of fatty acid
synthase have a GGXGXXG NAD(P)-binding motif and an
altered active site motif (YXXXN). Fungal type ketoacyl
reductases have a TGXXXGX(1-2)G NAD(P)-binding motif.
Some atypical SDRs have lost catalytic activity and/or
have an unusual NAD(P)-binding motif and missing or
unusual active site residues. Reactions catalyzed within
the SDR family include isomerization, decarboxylation,
epimerization, C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 248
Score = 124 bits (314), Expect = 5e-35
Identities = 54/179 (30%), Positives = 91/179 (50%), Gaps = 7/179 (3%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFP-NVQTVQVDLQDWARTRAAVSKV-- 79
GIG + L+ +IA ++ L+SL + N++ +++D+ D +AAV +V
Sbjct: 11 GIGLALALALAAQGYRVIATARNPDKLESLGELLNDNLEVLELDVTDEESIKAAVKEVIE 70
Query: 80 --GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSI 137
G +DVL+NNA F + E + +F+VN+ + +++ M G I
Sbjct: 71 RFGRIDVLVNNAGYGLFGPLEETSIE-EVRELFEVNVFGPLRVTRAFLPLMRKQG-SGRI 128
Query: 138 VNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRTG 196
VNVSS+AG Y ASKAAL++++ ++ LEL P+ I+V ++P V T
Sbjct: 129 VNVSSVAGLVPTPFLGPYCASKAALEALSESLRLELAPFGIKVTIIEPGPVRTGFADNA 187
>gnl|CDD|233590 TIGR01830, 3oxo_ACP_reduc, 3-oxoacyl-(acyl-carrier-protein)
reductase. This model represents 3-oxoacyl-[ACP]
reductase, also called 3-ketoacyl-acyl carrier protein
reductase, an enzyme of fatty acid biosynthesis [Fatty
acid and phospholipid metabolism, Biosynthesis].
Length = 239
Score = 123 bits (310), Expect = 2e-34
Identities = 67/203 (33%), Positives = 107/203 (52%), Gaps = 13/203 (6%)
Query: 23 GIGRCIVEKLSQHEAIII-----ALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVS 77
GIGR I KL++ A +I + + ++ LK V D+ D +A V
Sbjct: 9 GIGRAIALKLAKEGAKVIITYRSSEEGAEEVVEELKAYGVKALGVVCDVSDREDVKAVVE 68
Query: 78 KV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
++ GP+D+L+NNA + R + + + EE+ D++ D N+ V N++Q V + MI +
Sbjct: 69 EIEEELGPIDILVNNAGITRDNLLMRMKEEDW-DAVIDTNLTGVFNLTQAVLRIMIKQR- 126
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
G I+N+SS+ G G Y+ASKA + T+++A EL NI VN+V P + T M
Sbjct: 127 SGRIINISSVVGLMGNAGQANYAASKAGVIGFTKSLAKELASRNITVNAVAPGFIDTDMT 186
Query: 194 RTGWSDPAKAGPMLAKTPLGRFA 216
S+ K +L++ PLGRF
Sbjct: 187 DK-LSEKVKKK-ILSQIPLGRFG 207
>gnl|CDD|235506 PRK05565, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 247
Score = 122 bits (308), Expect = 4e-34
Identities = 68/204 (33%), Positives = 107/204 (52%), Gaps = 15/204 (7%)
Query: 23 GIGRCIVEKLSQHEA-IIIALSK----TQANLDSLKQAFPNVQTVQVDLQDWARTRAAVS 77
GIGR I E L++ A ++IA Q L+ +K+ + V+ D+ V
Sbjct: 16 GIGRAIAELLAKEGAKVVIAYDINEEAAQELLEEIKEEGGDAIAVKADVSSEEDVENLVE 75
Query: 78 KV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
++ G +D+L+NNA ++ F D+ +E D + DVN+ V+ +++ MI K
Sbjct: 76 QIVEKFGKIDILVNNAGISNFGLVTDMTDE-EWDRVIDVNLTGVMLLTRYALPYMIKRK- 133
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
G IVN+SSI G +YSASK A+++ T+ +A EL P IRVN+V P + T+M
Sbjct: 134 SGVIVNISSIWGLIGASCEVLYSASKGAVNAFTKALAKELAPSGIRVNAVAPGAIDTEMW 193
Query: 194 RTGWSDPAKAGPMLAKT-PLGRFA 216
+ +S+ K LA+ PLGR
Sbjct: 194 SS-FSEEDK--EGLAEEIPLGRLG 214
>gnl|CDD|187605 cd05347, Ga5DH-like_SDR_c, gluconate 5-dehydrogenase (Ga5DH)-like,
classical (c) SDRs. Ga5DH catalyzes the NADP-dependent
conversion of carbon source D-gluconate and
5-keto-D-gluconate. This SDR subgroup has a classical
Gly-rich NAD(P)-binding motif and a conserved active
site tetrad pattern. However, it has been proposed that
Arg104 (Streptococcus suis Ga5DH numbering), as well as
an active site Ca2+, play a critical role in catalysis.
In addition to Ga5DHs this subgroup contains Erwinia
chrysanthemi KduD which is involved in pectin
degradation, and is a putative
2,5-diketo-3-deoxygluconate dehydrogenase. SDRs are a
functionally diverse family of oxidoreductases that have
a single domain with a structurally conserved Rossmann
fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRs are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes catalyze a
wide range of activities including the metabolism of
steroids, cofactors, carbohydrates, lipids, aromatic
compounds, and amino acids, and act in redox sensing.
Classical SDRs have an TGXXX[AG]XG cofactor binding
motif and a YXXXK active site motif, with the Tyr
residue of the active site motif serving as a critical
catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107,15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 248
Score = 117 bits (295), Expect = 4e-32
Identities = 56/200 (28%), Positives = 92/200 (46%), Gaps = 10/200 (5%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFP----NVQTVQVDLQDWARTRAAVSK 78
GIG I L++ A I+ S+ + + +Q D+ D +AAV
Sbjct: 16 GIGFGIASGLAEAGANIVINSRNEEKAEEAQQLIEKEGVEATAFTCDVSDEEAIKAAVEA 75
Query: 79 V----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
+ G +D+L+NNA + R + E D I DVN+ V +SQ V++ MI
Sbjct: 76 IEEDFGKIDILVNNAGIIRRHPAEEFPEAEWRDVI-DVNLNGVFFVSQAVARHMIKQG-H 133
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGR 194
G I+N+ S+ + Y+ASK + +T+ +A E + I+VN++ P T+M
Sbjct: 134 GKIINICSLLSELGGPPVPAYAASKGGVAGLTKALATEWARHGIQVNAIAPGYFATEMTE 193
Query: 195 TGWSDPAKAGPMLAKTPLGR 214
+DP +L + P GR
Sbjct: 194 AVVADPEFNDDILKRIPAGR 213
>gnl|CDD|213929 TIGR04316, dhbA_paeA, 2,3-dihydro-2,3-dihydroxybenzoate
dehydrogenase. Members of this family are
2,3-dihydro-2,3-dihydroxybenzoate dehydrogenase (EC
1.3.1.28), the third enzyme in the biosynthesis of
2,3-dihydroxybenzoic acid (DHB) from chorismate. The
first two enzymes are isochorismate synthase (EC
5.4.4.2) and isochorismatase (EC 3.3.2.1). Synthesis is
often followed by adenylation by the enzyme DHBA-AMP
ligase (EC 2.7.7.58) to activate (DHB) for a
non-ribosomal peptide synthetase.
Length = 250
Score = 116 bits (294), Expect = 5e-32
Identities = 67/210 (31%), Positives = 98/210 (46%), Gaps = 18/210 (8%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPN----VQTVQVDLQDWARTRAAVSK 78
GIG + L++ A + A+ + L L T ++D+ D A V +
Sbjct: 9 GIGYAVARALAEAGARVAAVDRNFEQLLELVADLRRYGYPFATYKLDVADSAAVDEVVQR 68
Query: 79 V----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
+ GP+DVL+N A + R + +E+ + F VN V N+SQ VS M +
Sbjct: 69 LEREYGPIDVLVNVAGILRLGAIDSLSDED-WQATFAVNTFGVFNVSQAVSPRMKRRR-S 126
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGR 194
G+IV V S A G Y+ASKAAL +T+ + LEL PY IR N V P T+M R
Sbjct: 127 GAIVTVGSNAANVPRMGMAAYAASKAALTMLTKCLGLELAPYGIRCNVVSPGSTDTEMQR 186
Query: 195 TGWSDPAKAGPMLAKT--------PLGRFA 216
W+D ++A + PLG+ A
Sbjct: 187 QLWNDEYGEQQVIAGSPEQFRLGIPLGKIA 216
>gnl|CDD|181305 PRK08226, PRK08226, short chain dehydrogenase; Provisional.
Length = 263
Score = 116 bits (292), Expect = 1e-31
Identities = 72/208 (34%), Positives = 105/208 (50%), Gaps = 16/208 (7%)
Query: 23 GIGRCIVEKLSQHEAIIIALS---KTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVS-- 77
GIG I ++H A +I L + + D L V D++D A AA+
Sbjct: 17 GIGEGIARVFARHGANLILLDISPEIEKLADELCGRGHRCTAVVADVRDPASVAAAIKRA 76
Query: 78 --KVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQG 135
K G +D+L+NNA V R FLD+ +E+ D D+NIK V N+++ V MI K G
Sbjct: 77 KEKEGRIDILVNNAGVCRLGSFLDMSDEDR-DFHIDINIKGVWNVTKAVLPEMIARK-DG 134
Query: 136 SIVNVSSIAGK-TALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG- 193
IV +SS+ G A G T Y+ +KAA+ +T+++A+E IRVN++ P V T M
Sbjct: 135 RIVMMSSVTGDMVADPGETAYALTKAAIVGLTKSLAVEYAQSGIRVNAICPGYVRTPMAE 194
Query: 194 ----RTGWSDPAKAGPMLAK-TPLGRFA 216
++ DP +AK PL R A
Sbjct: 195 SIARQSNPEDPESVLTEMAKAIPLRRLA 222
>gnl|CDD|223377 COG0300, DltE, Short-chain dehydrogenases of various substrate
specificities [General function prediction only].
Length = 265
Score = 116 bits (292), Expect = 2e-31
Identities = 47/191 (24%), Positives = 92/191 (48%), Gaps = 16/191 (8%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPN-----VQTVQVDL---QDWARTRA 74
GIG + ++L++ +I +++ + L++L + + V+ + DL + R
Sbjct: 17 GIGAELAKQLARRGYNLILVARREDKLEALAKELEDKTGVEVEVIPADLSDPEALERLED 76
Query: 75 AV-SKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
+ + GP+DVL+NNA F FL++ + + + +NI A+ +++ V M++
Sbjct: 77 ELKERGGPIDVLVNNAGFGTFGPFLELSLDEEEE-MIQLNILALTRLTKAVLPGMVERG- 134
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
G I+N+ S AG +YSA+KA + S + + EL ++V +V P
Sbjct: 135 AGHIINIGSAAGLIPTPYMAVYSATKAFVLSFSEALREELKGTGVKVTAVCPGPT----- 189
Query: 194 RTGWSDPAKAG 204
RT + D +
Sbjct: 190 RTEFFDAKGSD 200
>gnl|CDD|235693 PRK06077, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 252
Score = 114 bits (287), Expect = 5e-31
Identities = 62/180 (34%), Positives = 105/180 (58%), Gaps = 14/180 (7%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQA-----NLDSLKQAFPNVQTVQVDL--QDWART--R 73
GIGR I +L++ ++++ +K +A L +K+ V D+ ++ T +
Sbjct: 17 GIGRAIAVRLAKEGSLVVVNAKKRAEEMNETLKMVKENGGEGIGVLADVSTREGCETLAK 76
Query: 74 AAVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
A + + G D+L+NNA + F FL++D++ LID + K+VI SQ ++K M +
Sbjct: 77 ATIDRYGVADILVNNAGLGLFSPFLNVDDK-LIDKHISTDFKSVIYCSQELAKEMRE--- 132
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
G+IVN++S+AG G +IY A KAA+ ++T+ +ALEL P IRVN++ P V T++G
Sbjct: 133 GGAIVNIASVAGIRPAYGLSIYGAMKAAVINLTKYLALELAP-KIRVNAIAPGFVKTKLG 191
>gnl|CDD|187622 cd05364, SDR_c11, classical (c) SDR, subgroup 11. SDRs are a
functionally diverse family of oxidoreductases that have
a single domain with a structurally conserved Rossmann
fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRs are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes catalyze a
wide range of activities including the metabolism of
steroids, cofactors, carbohydrates, lipids, aromatic
compounds, and amino acids, and act in redox sensing.
Classical SDRs have an TGXXX[AG]XG cofactor binding
motif and a YXXXK active site motif, with the Tyr
residue of the active site motif serving as a critical
catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 253
Score = 114 bits (287), Expect = 5e-31
Identities = 65/208 (31%), Positives = 97/208 (46%), Gaps = 20/208 (9%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAF-------PNVQTVQVDLQDWARTRAA 75
GIG ++ A + + L+ +Q+ + V DL +
Sbjct: 14 GIGAGTAILFARLGARLALTGRDAERLEETRQSCLQAGVSEKKILLVVADLTEEEGQDRI 73
Query: 76 VSKV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDH 131
+S G +D+L+NNA + D D E D + ++N++AVI ++++ +I
Sbjct: 74 ISTTLAKFGRLDILVNNAGILAKGGGEDQDIE-EYDKVMNLNLRAVIYLTKLAVPHLIKT 132
Query: 132 KIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQ 191
K G IVNVSS+AG + G Y SKAALD TR ALEL P +RVNSV P V++T
Sbjct: 133 K--GEIVNVSSVAGGRSFPGVLYYCISKAALDQFTRCTALELAPKGVRVNSVSPGVIVTG 190
Query: 192 -MGRTGWSDPAKAGPMLAKT----PLGR 214
R G + L++ PLGR
Sbjct: 191 FHRRMGMPEEQYIK-FLSRAKETHPLGR 217
>gnl|CDD|180439 PRK06171, PRK06171, sorbitol-6-phosphate 2-dehydrogenase;
Provisional.
Length = 266
Score = 113 bits (286), Expect = 1e-30
Identities = 71/228 (31%), Positives = 106/228 (46%), Gaps = 44/228 (19%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKV--- 79
GIG IV++L + A ++ + N Q V D+ V+++
Sbjct: 20 GIGLAIVKELLANGANVVNADIHGGDGQ-----HENYQFVPTDVSSAEEVNHTVAEIIEK 74
Query: 80 -GPVDVLINNAAVARFDRFL----------DIDEENLIDSIFDVNIKAVINISQVVSKTM 128
G +D L+NNA + R L +++E D +F++N K V +SQ V++ M
Sbjct: 75 FGRIDGLVNNAGI-NIPRLLVDEKDPAGKYELNEAAF-DKMFNINQKGVFLMSQAVARQM 132
Query: 129 IDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVV 188
+ G IVN+SS AG EG + Y+A+KAAL+S TR+ A ELG +NIRV V P +
Sbjct: 133 VKQH-DGVIVNMSSEAGLEGSEGQSCYAATKAALNSFTRSWAKELGKHNIRVVGVAPGI- 190
Query: 189 MTQMGRTGWSDPA----------------KAG-PMLAKTPLGRFAGKL 219
+ TG P +AG + PLGR +GKL
Sbjct: 191 ---LEATGLRTPEYEEALAYTRGITVEQLRAGYTKTSTIPLGR-SGKL 234
>gnl|CDD|187620 cd05362, THN_reductase-like_SDR_c,
tetrahydroxynaphthalene/trihydroxynaphthalene
reductase-like, classical (c) SDRs.
1,3,6,8-tetrahydroxynaphthalene reductase (4HNR) of
Magnaporthe grisea and the related
1,3,8-trihydroxynaphthalene reductase (3HNR) are typical
members of the SDR family containing the canonical
glycine rich NAD(P)-binding site and active site tetrad,
and function in fungal melanin biosynthesis. This
subgroup also includes an SDR from Norway spruce that
may function to protect against both biotic and abitoic
stress. SDRs are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet), an NAD(P)(H)-binding
region, and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRs are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD-binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes catalyze a wide range of activities including
the metabolism of steroids, cofactors, carbohydrates,
lipids, aromatic compounds, and amino acids, and act in
redox sensing. Classical SDRs have an TGXXX[AG]XG
cofactor binding motif and a YXXXK active site motif,
with the Tyr residue of the active site motif serving as
a critical catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 243
Score = 112 bits (283), Expect = 2e-30
Identities = 66/201 (32%), Positives = 98/201 (48%), Gaps = 14/201 (6%)
Query: 23 GIGRCIVEKLSQHEAIII---ALSKTQAN--LDSLKQAFPNVQTVQVDLQDWARTR---- 73
GIGR I ++L++ A ++ A SK A + ++ A VQ D+ D ++
Sbjct: 14 GIGRAIAKRLARDGASVVVNYASSKAAAEEVVAEIEAAGGKAIAVQADVSDPSQVARLFD 73
Query: 74 AAVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
AA G VD+L+NNA V + EE D +F VN K + Q +K + +
Sbjct: 74 AAEKAFGGVDILVNNAGVMLKKPIAETSEEEF-DRMFTVNTKGAFFVLQEAAKRL---RD 129
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
G I+N+SS + Y+ SKAA+++ TR +A ELG I VN+V P V T M
Sbjct: 130 GGRIINISSSLTAAYTPNYGAYAGSKAAVEAFTRVLAKELGGRGITVNAVAPGPVDTDMF 189
Query: 194 RTGWSDPAKAGPMLAKTPLGR 214
G ++ A G +PLGR
Sbjct: 190 YAGKTEEAVEG-YAKMSPLGR 209
>gnl|CDD|187604 cd05346, SDR_c5, classical (c) SDR, subgroup 5. These proteins are
members of the classical SDR family, with a canonical
active site tetrad and a typical Gly-rich NAD-binding
motif. SDRs are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet), an NAD(P)(H)-binding
region, and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRs are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD-binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes catalyze a wide range of activities including
the metabolism of steroids, cofactors, carbohydrates,
lipids, aromatic compounds, and amino acids, and act in
redox sensing. Classical SDRs have an TGXXX[AG]XG
cofactor binding motif and a YXXXK active site motif,
with the Tyr residue of the active site motif serving as
a critical catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 249
Score = 111 bits (281), Expect = 4e-30
Identities = 52/178 (29%), Positives = 92/178 (51%), Gaps = 12/178 (6%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANL----DSLKQAFPN-VQTVQVDLQDWARTRAAVS 77
GIG + ++ A +I + L D L FP V +Q+D+ D AA+
Sbjct: 11 GIGEATARRFAKAGAKLILTGRRAERLQELADELGAKFPVKVLPLQLDVSDRESIEAALE 70
Query: 78 KV----GPVDVLINNAAVAR-FDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHK 132
+ +D+L+NNA +A D + D E+ +++ D N+K ++N+++++ MI
Sbjct: 71 NLPEEFRDIDILVNNAGLALGLDPAQEADLED-WETMIDTNVKGLLNVTRLILPIMIARN 129
Query: 133 IQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT 190
QG I+N+ SIAG+ G +Y A+KAA+ + + +L IRV +++P +V T
Sbjct: 130 -QGHIINLGSIAGRYPYAGGNVYCATKAAVRQFSLNLRKDLIGTGIRVTNIEPGLVET 186
>gnl|CDD|236190 PRK08220, PRK08220, 2,3-dihydroxybenzoate-2,3-dehydrogenase;
Validated.
Length = 252
Score = 111 bits (279), Expect = 9e-30
Identities = 53/183 (28%), Positives = 76/183 (41%), Gaps = 11/183 (6%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKV--- 79
GIG + + A +I + + T +D+ D A ++
Sbjct: 19 GIGYAVALAFVEAGAKVIGFDQAFLTQEDYP-----FATFVLDVSDAAAVAQVCQRLLAE 73
Query: 80 -GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIV 138
GP+DVL+N A + R + +E+ F VN N+ + V + G+IV
Sbjct: 74 TGPLDVLVNAAGILRMGATDSLSDED-WQQTFAVNAGGAFNLFRAVMPQFRRQR-SGAIV 131
Query: 139 NVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRTGWS 198
V S A G Y ASKAAL S+ + + LEL PY +R N V P T M RT W
Sbjct: 132 TVGSNAAHVPRIGMAAYGASKAALTSLAKCVGLELAPYGVRCNVVSPGSTDTDMQRTLWV 191
Query: 199 DPA 201
D
Sbjct: 192 DED 194
>gnl|CDD|212493 cd08932, HetN_like_SDR_c, HetN oxidoreductase-like, classical (c)
SDR. This subgroup includes Anabaena sp. strain PCC
7120 HetN, a putative oxidoreductase involved in
heterocyst differentiation, and related proteins. SDRs
are a functionally diverse family of oxidoreductases
that have a single domain with a structurally conserved
Rossmann fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRs are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes catalyze a
wide range of activities including the metabolism of
steroids, cofactors, carbohydrates, lipids, aromatic
compounds, and amino acids, and act in redox sensing.
Classical SDRs have an TGXXX[AG]XG cofactor binding
motif and a YXXXK active site motif, with the Tyr
residue of the active site motif serving as a critical
catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 223
Score = 109 bits (274), Expect = 2e-29
Identities = 46/174 (26%), Positives = 87/174 (50%), Gaps = 6/174 (3%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAV----SK 78
GIG I L++ + + +L +L + +V+ V D +D RA V +
Sbjct: 11 GIGIEIARALARDGYRVSLGLRNPEDLAALSASGGDVEAVPYDARDPEDARALVDALRDR 70
Query: 79 VGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIV 138
G +DVL++NA + R + + +++ F +N+ A +++ + + + G +V
Sbjct: 71 FGRIDVLVHNAGIGRPTTLREGSDA-ELEAHFSINVIAPAELTRALLPALRE-AGSGRVV 128
Query: 139 NVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
++S++GK L G+ YSASK AL ++ + E + +RV++V P V T M
Sbjct: 129 FLNSLSGKRVLAGNAGYSASKFALRALAHALRQEGWDHGVRVSAVCPGFVDTPM 182
>gnl|CDD|187626 cd05368, DHRS6_like_SDR_c, human DHRS6-like, classical (c) SDRs.
Human DHRS6, and similar proteins. These proteins are
classical SDRs, with a canonical active site tetrad and
a close match to the typical Gly-rich NAD-binding motif.
Human DHRS6 is a cytosolic type 2 (R)-hydroxybutyrate
dehydrogenase, which catalyses the conversion of
(R)-hydroxybutyrate to acetoacetate. Also included in
this subgroup is Escherichia coli UcpA (upstream cys P).
Classical SDRs are typically about 250 residues long,
while extended SDRs are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD-binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes catalyze a wide range of activities including
the metabolism of steroids, cofactors, carbohydrates,
lipids, aromatic compounds, and amino acids, and act in
redox sensing. Classical SDRs have an TGXXX[AG]XG
cofactor binding motif and a YXXXK active site motif,
with the Tyr residue of the active site motif serving as
a critical catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction. Note: removed :
needed to make this chiodl smaller when drew final
trees: rmeoved text form description: Other proteins in
this subgroup include Thermoplasma acidophilum
aldohexose dehydrogenase, which has high dehydrogenase
activity against D-mannose, Bacillus subtilis BacC
involved in the biosynthesis of the dipeptide bacilysin
and its antibiotic moiety anticapsin, Sphingomonas
paucimobilis strain B90 LinC, involved in the
degradation of hexachlorocyclohexane isomers...... P).
Length = 241
Score = 109 bits (274), Expect = 3e-29
Identities = 57/199 (28%), Positives = 97/199 (48%), Gaps = 8/199 (4%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKVGPV 82
GIGR I ++ A +IA + L L + P + T +D+ D + A + G +
Sbjct: 13 GIGRAIALAFAREGANVIATDINEEKLKEL-ERGPGITTRVLDVTDKEQVAALAKEEGRI 71
Query: 83 DVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIVNVSS 142
DVL N A LD ++++ D ++N++++ + + V M+ K GSI+N+SS
Sbjct: 72 DVLFNCAGFVHHGSILDCEDDDW-DFAMNLNVRSMYLMIKAVLPKMLARK-DGSIINMSS 129
Query: 143 IAGK-TALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRT---GWS 198
+A + +YS +KAA+ +T+++A + IR N++ P V T
Sbjct: 130 VASSIKGVPNRFVYSTTKAAVIGLTKSVAADFAQQGIRCNAICPGTVDTPSLEERIQAQP 189
Query: 199 DPAKA-GPMLAKTPLGRFA 216
DP +A A+ PLGR A
Sbjct: 190 DPEEALKAFAARQPLGRLA 208
>gnl|CDD|237219 PRK12827, PRK12827, short chain dehydrogenase; Provisional.
Length = 249
Score = 109 bits (273), Expect = 5e-29
Identities = 65/204 (31%), Positives = 102/204 (50%), Gaps = 17/204 (8%)
Query: 23 GIGRCIVEKLSQHEAIIIALS----KTQANLDSLKQAFP----NVQTVQVDLQDWARTRA 74
G+GR I +L+ A +I L + +A D++ + D++D+A TRA
Sbjct: 17 GLGRAIAVRLAADGADVIVLDIHPMRGRAEADAVAAGIEAAGGKALGLAFDVRDFAATRA 76
Query: 75 AVS----KVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMID 130
A+ + G +D+L+NNA +A F ++ E D + DVN+ N++Q MI
Sbjct: 77 ALDAGVEEFGRLDILVNNAGIATDAAFAELSIEEW-DDVIDVNLDGFFNVTQAALPPMIR 135
Query: 131 HKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT 190
+ G IVN++S+AG G Y+ASKA L +T+T+A EL P I VN+V P + T
Sbjct: 136 ARRGGRIVNIASVAGVRGNRGQVNYAASKAGLIGLTKTLANELAPRGITVNAVAPGAINT 195
Query: 191 QMGRTGWSDPAKAGPMLAKTPLGR 214
M + A +L P+ R
Sbjct: 196 PMAD----NAAPTEHLLNPVPVQR 215
>gnl|CDD|183778 PRK12829, PRK12829, short chain dehydrogenase; Provisional.
Length = 264
Score = 108 bits (273), Expect = 7e-29
Identities = 60/208 (28%), Positives = 93/208 (44%), Gaps = 17/208 (8%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFP--NVQTVQVDLQDWARTRA----AV 76
GIGR I E ++ A + ++A L + P V D+ D A+ AV
Sbjct: 22 GIGRAIAEAFAEAGARVHVCDVSEAALAATAARLPGAKVTATVADVADPAQVERVFDTAV 81
Query: 77 SKVGPVDVLINNAAVARFD-RFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQG 135
+ G +DVL+NNA +A +I E + VN+ ++ + G
Sbjct: 82 ERFGGLDVLVNNAGIAGPTGGIDEITPEQ-WEQTLAVNLNGQFYFARAAVPLLKASGHGG 140
Query: 136 SIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRT 195
I+ +SS+AG+ G T Y+ASK A+ + +++A+ELGP IRVN++ P +V R
Sbjct: 141 VIIALSSVAGRLGYPGRTPYAASKWAVVGLVKSLAIELGPLGIRVNAILPGIVRGPRMRR 200
Query: 196 GWSDPAK-----AGPM----LAKTPLGR 214
A+ M L K LGR
Sbjct: 201 VIEARAQQLGIGLDEMEQEYLEKISLGR 228
>gnl|CDD|187590 cd05329, TR_SDR_c, tropinone reductase-I and II (TR-1, and
TR-II)-like, classical (c) SDRs. This subgroup includes
TR-I and TR-II; these proteins are members of the SDR
family. TRs catalyze the NADPH-dependent reductions of
the 3-carbonyl group of tropinone, to a beta-hydroxyl
group. TR-I and TR-II produce different stereoisomers
from tropinone, TR-I produces tropine
(3alpha-hydroxytropane), and TR-II, produces
pseudotropine (sigma-tropine, 3beta-hydroxytropane).
SDRs are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet), an NAD(P)(H)-binding
region, and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRs are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD-binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes catalyze a wide range of activities including
the metabolism of steroids, cofactors, carbohydrates,
lipids, aromatic compounds, and amino acids, and act in
redox sensing. Classical SDRs have an TGXXX[AG]XG
cofactor binding motif and a YXXXK active site motif,
with the Tyr residue of the active site motif serving as
a critical catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 251
Score = 108 bits (272), Expect = 7e-29
Identities = 57/203 (28%), Positives = 94/203 (46%), Gaps = 11/203 (5%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFP----NVQTVQVDLQDWARTRAAVSK 78
GIG IVE+L+ A + ++ Q LD + V+ D+ + + +
Sbjct: 17 GIGYAIVEELAGLGAEVYTCARNQKELDECLTEWREKGFKVEGSVCDVSSRSERQELMDT 76
Query: 79 V-----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
V G +++L+NNA D EE+ I N +A ++S++ +
Sbjct: 77 VASHFGGKLNILVNNAGTNIRKEAKDYTEEDY-SLIMSTNFEAAYHLSRLAHPLLKASG- 134
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
G+IV +SS+AG A+ Y A+K AL+ +TR++A E NIRVN+V P V+ T +
Sbjct: 135 NGNIVFISSVAGVIAVPSGAPYGATKGALNQLTRSLACEWAKDNIRVNAVAPWVIATPLV 194
Query: 194 RTGWSDPAKAGPMLAKTPLGRFA 216
++ +TPL RF
Sbjct: 195 EPVIQQKENLDKVIERTPLKRFG 217
>gnl|CDD|187592 cd05331, DH-DHB-DH_SDR_c, 2,3 dihydro-2,3 dihydrozybenzoate
dehydrogenases, classical (c) SDRs. 2,3 dihydro-2,3
dihydrozybenzoate dehydrogenase shares the
characteristics of the classical SDRs. This subgroup
includes Escherichai coli EntA which catalyzes the
NAD+-dependent oxidation of
2,3-dihydro-2,3-dihydroxybenzoate to
2,3-dihydroxybenzoate during biosynthesis of the
siderophore Enterobactin. SDRs are a functionally
diverse family of oxidoreductases that have a single
domain with a structurally conserved Rossmann fold
(alpha/beta folding pattern with a central beta-sheet),
an NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Classical SDRs are typically about
250 residues long, while extended SDRs are approximately
350 residues. Sequence identity between different SDR
enzymes are typically in the 15-30% range, but the
enzymes share the Rossmann fold NAD-binding motif and
characteristic NAD-binding and catalytic sequence
patterns. These enzymes catalyze a wide range of
activities including the metabolism of steroids,
cofactors, carbohydrates, lipids, aromatic compounds,
and amino acids, and act in redox sensing. Classical
SDRs have an TGXXX[AG]XG cofactor binding motif and a
YXXXK active site motif, with the Tyr residue of the
active site motif serving as a critical catalytic
residue (Tyr-151, human 15-hydroxyprostaglandin
dehydrogenase (15-PGDH) numbering). In addition to the
Tyr and Lys, there is often an upstream Ser (Ser-138,
15-PGDH numbering) and/or an Asn (Asn-107, 15-PGDH
numbering) contributing to the active site; while
substrate binding is in the C-terminal region, which
determines specificity. The standard reaction mechanism
is a 4-pro-S hydride transfer and proton relay involving
the conserved Tyr and Lys, a water molecule stabilized
by Asn, and nicotinamide. Extended SDRs have additional
elements in the C-terminal region, and typically have a
TGXXGXXG cofactor binding motif. Complex (multidomain)
SDRs such as ketoreductase domains of fatty acid
synthase have a GGXGXXG NAD(P)-binding motif and an
altered active site motif (YXXXN). Fungal type ketoacyl
reductases have a TGXXXGX(1-2)G NAD(P)-binding motif.
Some atypical SDRs have lost catalytic activity and/or
have an unusual NAD(P)-binding motif and missing or
unusual active site residues. Reactions catalyzed within
the SDR family include isomerization, decarboxylation,
epimerization, C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 244
Score = 108 bits (271), Expect = 9e-29
Identities = 69/206 (33%), Positives = 92/206 (44%), Gaps = 17/206 (8%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSK---- 78
GIGR + L Q A +IAL L + +D+ D A R S+
Sbjct: 9 GIGRAVARHLLQAGATVIALDLPFVLLLEYGDPL---RLTPLDVADAAAVREVCSRLLAE 65
Query: 79 VGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIV 138
GP+D L+N A V R D + F VN+ V N+ Q V+ M D + G+IV
Sbjct: 66 HGPIDALVNCAGVLRPGAT-DPLSTEDWEQTFAVNVTGVFNLLQAVAPHMKDRR-TGAIV 123
Query: 139 NVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRTGWS 198
V+S A Y ASKAAL S+++ + LEL PY +R N V P T M RT W
Sbjct: 124 TVASNAAHVPRISMAAYGASKAALASLSKCLGLELAPYGVRCNVVSPGSTDTAMQRTLWH 183
Query: 199 DPAKAGPMLAKT--------PLGRFA 216
D A ++A PLG+ A
Sbjct: 184 DEDGAAQVIAGVPEQFRLGIPLGKIA 209
>gnl|CDD|236074 PRK07666, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 239
Score = 107 bits (269), Expect = 1e-28
Identities = 54/178 (30%), Positives = 97/178 (54%), Gaps = 10/178 (5%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDS----LKQAFPNVQTVQVDLQDWARTRAAVSK 78
GIGR + L++ + L++T+ NL + ++ V D+ D+ AA+ +
Sbjct: 18 GIGRAVAIALAKEGVNVGLLARTEENLKAVAEEVEAYGVKVVIATADVSDYEEVTAAIEQ 77
Query: 79 V----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
+ G +D+LINNA +++F +FL++D + I VN+ V ++ V +MI+ +
Sbjct: 78 LKNELGSIDILINNAGISKFGKFLELDPAEW-EKIIQVNLMGVYYATRAVLPSMIERQ-S 135
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
G I+N+SS AG+ + YSASK + +T ++ E+ +NIRV ++ P+ V T M
Sbjct: 136 GDIINISSTAGQKGAAVTSAYSASKFGVLGLTESLMQEVRKHNIRVTALTPSTVATDM 193
>gnl|CDD|187616 cd05358, GlcDH_SDR_c, glucose 1 dehydrogenase (GlcDH), classical
(c) SDRs. GlcDH, is a tetrameric member of the SDR
family, it catalyzes the NAD(P)-dependent oxidation of
beta-D-glucose to D-glucono-delta-lactone. GlcDH has a
typical NAD-binding site glycine-rich pattern as well as
the canonical active site tetrad (YXXXK motif plus
upstream Ser and Asn). SDRs are a functionally diverse
family of oxidoreductases that have a single domain with
a structurally conserved Rossmann fold (alpha/beta
folding pattern with a central beta-sheet), an
NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Classical SDRs are typically about
250 residues long, while extended SDRS are approximately
350 residues. Sequence identity between different SDR
enzymes are typically in the 15-30% range, but the
enzymes share the Rossmann fold NAD-binding motif and
characteristic NAD-binding and catalytic sequence
patterns. These enzymes have a 3-glycine N-terminal
NAD(P)(H)-binding pattern (typically, TGxxxGxG in
classical SDRs and TGxxGxxG in extended SDRs), while
substrate binding is in the C-terminal region. A
critical catalytic Tyr residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering), is often found in a conserved YXXXK pattern.
In addition to the Tyr and Lys, there is often an
upstream Ser (Ser-138, 15-PGDH numbering) and/or an Asn
(Asn-107, 15-PGDH numbering) or additional Ser,
contributing to the active site. Substrates for these
enzymes include sugars, steroids, alcohols, and aromatic
compounds. The standard reaction mechanism is a proton
relay involving the conserved Tyr and Lys, as well as
Asn (or Ser). Some SDR family members, including 17
beta-hydroxysteroid dehydrogenase contain an additional
helix-turn-helix motif that is not generally found among
SDRs.
Length = 253
Score = 107 bits (268), Expect = 3e-28
Identities = 55/202 (27%), Positives = 96/202 (47%), Gaps = 10/202 (4%)
Query: 23 GIGRCIVEKLSQHEAIIIA-----LSKTQANLDSLKQAFPNVQTVQVDLQDWARTRA--- 74
GIG+ I +L+ A ++ + ++ +K VQ D+ A
Sbjct: 14 GIGKAIAIRLATAGANVVVNYRSKEDAAEEVVEEIKAVGGKAIAVQADVSKEEDVVALFQ 73
Query: 75 -AVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
A+ + G +D+L+NNA + ++ E+ + + DVN+ ++ K KI
Sbjct: 74 SAIKEFGTLDILVNNAGLQGDASSHEMTLEDW-NKVIDVNLTGQFLCAREAIKRFRKSKI 132
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
+G I+N+SS+ K GH Y+ASK + +T+T+A E P IRVN++ P + T +
Sbjct: 133 KGKIINMSSVHEKIPWPGHVNYAASKGGVKMMTKTLAQEYAPKGIRVNAIAPGAINTPIN 192
Query: 194 RTGWSDPAKAGPMLAKTPLGRF 215
W DP + +L+ P+GR
Sbjct: 193 AEAWDDPEQRADLLSLIPMGRI 214
>gnl|CDD|187598 cd05339, 17beta-HSDXI-like_SDR_c, human 17-beta-hydroxysteroid
dehydrogenase XI-like, classical (c) SDRs.
17-beta-hydroxysteroid dehydrogenases (17betaHSD) are a
group of isozymes that catalyze activation and
inactivation of estrogen and androgens. 17betaHSD type
XI, a classical SDR, preferentially converts
3alpha-adiol to androsterone but not numerous other
tested steroids. This subgroup of classical SDRs also
includes members identified as retinol dehydrogenases,
which convert retinol to retinal, a property that
overlaps with 17betaHSD activity. SDRs are a
functionally diverse family of oxidoreductases that have
a single domain with a structurally conserved Rossmann
fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRS are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes have a
3-glycine N-terminal NAD(P)(H)-binding pattern
(typically, TGxxxGxG in classical SDRs and TGxxGxxG in
extended SDRs), while substrate binding is in the
C-terminal region. A critical catalytic Tyr residue
(Tyr-151, human 15-hydroxyprostaglandin dehydrogenase
(15-PGDH) numbering), is often found in a conserved
YXXXK pattern. In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) or additional
Ser, contributing to the active site. Substrates for
these enzymes include sugars, steroids, alcohols, and
aromatic compounds. The standard reaction mechanism is a
proton relay involving the conserved Tyr and Lys, as
well as Asn (or Ser). Some SDR family members, including
17 beta-hydroxysteroid dehydrogenase contain an
additional helix-turn-helix motif that is not generally
found among SDRs.
Length = 243
Score = 106 bits (268), Expect = 3e-28
Identities = 55/210 (26%), Positives = 87/210 (41%), Gaps = 25/210 (11%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQ----AFPNVQTVQVDLQDW---ARTRAA 75
GIGR + + ++ A ++ L + + A V + D+
Sbjct: 10 GIGRLLALEFAKRGAKVVILDINEKGAEETANNVRKAGGKVHYYKCDVSKREEVYEAAKK 69
Query: 76 VSK-VGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
+ K VG V +LINNA V + L++ +E I+ F+VN A ++ M++
Sbjct: 70 IKKEVGDVTILINNAGVVSGKKLLELPDEE-IEKTFEVNTLAHFWTTKAFLPDMLERN-H 127
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPY---NIRVNSVQPTVVMTQ 191
G IV ++S+AG + G Y ASKAA ++ LEL Y I+ V P + T
Sbjct: 128 GHIVTIASVAGLISPAGLADYCASKAAAVGFHESLRLELKAYGKPGIKTTLVCPYFINTG 187
Query: 192 MGRTGWSDPAKAGPMLAKTPLGRFAGKLKP 221
M + KTP A L+P
Sbjct: 188 MFQG------------VKTPRPLLAPILEP 205
>gnl|CDD|187627 cd05369, TER_DECR_SDR_a, Trans-2-enoyl-CoA reductase (TER) and
2,4-dienoyl-CoA reductase (DECR), atypical (a) SDR.
TTER is a peroxisomal protein with a proposed role in
fatty acid elongation. Fatty acid synthesis is known to
occur in the both endoplasmic reticulum and
mitochondria; peroxisomal TER has been proposed as an
additional fatty acid elongation system, it reduces the
double bond at C-2 as the last step of elongation. This
system resembles the mitochondrial system in that
acetyl-CoA is used as a carbon donor. TER may also
function in phytol metabolism, reducting phytenoyl-CoA
to phytanoyl-CoA in peroxisomes. DECR processes double
bonds in fatty acids to increase their utility in fatty
acid metabolism; it reduces 2,4-dienoyl-CoA to an
enoyl-CoA. DECR is active in mitochondria and
peroxisomes. This subgroup has the Gly-rich NAD-binding
motif of the classical SDR family, but does not display
strong identity to the canonical active site tetrad, and
lacks the characteristic Tyr at the usual position. SDRs
are a functionally diverse family of oxidoreductases
that have a single domain with a structurally conserved
Rossmann fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRS are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes have a
3-glycine N-terminal NAD(P)(H)-binding pattern
(typically, TGxxxGxG in classical SDRs and TGxxGxxG in
extended SDRs), while substrate binding is in the
C-terminal region. A critical catalytic Tyr residue
(Tyr-151, human 15-hydroxyprostaglandin dehydrogenase
(15-PGDH) numbering), is often found in a conserved
YXXXK pattern. In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) or additional
Ser, contributing to the active site. Substrates for
these enzymes include sugars, steroids, alcohols, and
aromatic compounds. The standard reaction mechanism is a
proton relay involving the conserved Tyr and Lys, as
well as Asn (or Ser). Some SDR family members, including
17 beta-hydroxysteroid dehydrogenase contain an
additional helix-turn-helix motif that is not generally
found among SDRs.
Length = 249
Score = 106 bits (266), Expect = 7e-28
Identities = 58/206 (28%), Positives = 100/206 (48%), Gaps = 17/206 (8%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDS----LKQAFPN-VQTVQVDLQDWARTRAAVS 77
GIG+ I + ++ A + + L++ + A +Q D++D AAV
Sbjct: 14 GIGKAIAKAFAELGASVAIAGRKPEVLEAAAEEISSATGGRAHPIQCDVRDPEAVEAAVD 73
Query: 78 KV----GPVDVLINNAA---VARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMID 130
+ G +D+LINNAA +A + N ++ D+++ N ++ V K +I+
Sbjct: 74 ETLKEFGKIDILINNAAGNFLAPAESL----SPNGFKTVIDIDLNGTFNTTKAVGKRLIE 129
Query: 131 HKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT 190
K GSI+N+S+ T +A+KA +D++TR++A+E GPY IRVN++ P + T
Sbjct: 130 AKHGGSILNISATYAYTGSPFQVHSAAAKAGVDALTRSLAVEWGPYGIRVNAIAPGPIPT 189
Query: 191 QMG-RTGWSDPAKAGPMLAKTPLGRF 215
G M+ + PLGR
Sbjct: 190 TEGMERLAPSGKSEKKMIERVPLGRL 215
>gnl|CDD|181044 PRK07577, PRK07577, short chain dehydrogenase; Provisional.
Length = 234
Score = 105 bits (264), Expect = 9e-28
Identities = 57/175 (32%), Positives = 93/175 (53%), Gaps = 13/175 (7%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKV--- 79
GIG + +L+ +I ++++ + FP + DL D +T A ++++
Sbjct: 14 GIGLALSLRLANLGHQVIGIARSAID------DFPG-ELFACDLADIEQTAATLAQINEI 66
Query: 80 GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIVN 139
PVD ++NN +A ID L ++D+N++A + ++Q + M + QG IVN
Sbjct: 67 HPVDAIVNNVGIALPQPLGKIDLAAL-QDVYDLNVRAAVQVTQAFLEGMKLRE-QGRIVN 124
Query: 140 VSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGR 194
+ S A AL+ T YSA+K+AL TRT ALEL Y I VN+V P + T++ R
Sbjct: 125 ICSRAIFGALD-RTSYSAAKSALVGCTRTWALELAEYGITVNAVAPGPIETELFR 178
>gnl|CDD|187602 cd05344, BKR_like_SDR_like, putative beta-ketoacyl acyl carrier
protein [ACP] reductase (BKR)-like, SDR. This subgroup
resembles the SDR family, but does not have a perfect
match to the NAD-binding motif or the catalytic tetrad
characteristic of the SDRs. It includes the SDRs, Q9HYA2
from Pseudomonas aeruginosa PAO1 and APE0912 from
Aeropyrum pernix K1. BKR catalyzes the NADPH-dependent
reduction of ACP in the first reductive step of de novo
fatty acid synthesis (FAS). FAS consists of four
elongation steps, which are repeated to extend the fatty
acid chain through the addition of two-carbo units from
malonyl acyl-carrier protein (ACP): condensation,
reduction, dehydration, and a final reduction. Type II
FAS, typical of plants and many bacteria, maintains
these activities on discrete polypeptides, while type I
FAS utilizes one or two multifunctional polypeptides.
BKR resembles enoyl reductase, which catalyzes the
second reduction step in FAS. SDRs are a functionally
diverse family of oxidoreductases that have a single
domain with a structurally conserved Rossmann fold
(alpha/beta folding pattern with a central beta-sheet),
an NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Classical SDRs are typically about
250 residues long, while extended SDRS are approximately
350 residues. Sequence identity between different SDR
enzymes are typically in the 15-30% range, but the
enzymes share the Rossmann fold NAD-binding motif and
characteristic NAD-binding and catalytic sequence
patterns. These enzymes have a 3-glycine N-terminal
NAD(P)(H)-binding pattern (typically, TGxxxGxG in
classical SDRs and TGxxGxxG in extended SDRs), while
substrate binding is in the C-terminal region. A
critical catalytic Tyr residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering), is often found in a conserved YXXXK pattern.
In addition to the Tyr and Lys, there is often an
upstream Ser (Ser-138, 15-PGDH numbering) and/or an Asn
(Asn-107, 15-PGDH numbering) or additional Ser,
contributing to the active site. Substrates for these
enzymes include sugars, steroids, alcohols, and aromatic
compounds. The standard reaction mechanism is a proton
relay involving the conserved Tyr and Lys, as well as
Asn (or Ser). Some SDR family members, including 17
beta-hydroxysteroid dehydrogenase contain an additional
helix-turn-helix motif that is not generally found among
SDRs.
Length = 253
Score = 105 bits (263), Expect = 2e-27
Identities = 57/211 (27%), Positives = 93/211 (44%), Gaps = 19/211 (9%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDS----LKQAFPNVQTVQVDLQDWARTRAAVSK 78
GIG I L++ A + ++ + NL+ L+ V V DL D V K
Sbjct: 12 GIGLAIARALAREGARVAICARNRENLERAASELRAGGAGVLAVVADLTDPEDIDRLVEK 71
Query: 79 V----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
G VD+L+NNA F ++ +E FD+ + +VI I + V M + +
Sbjct: 72 AGDAFGRVDILVNNAGGPPPGPFAELTDE-DWLEAFDLKLLSVIRIVRAVLPGMKE-RGW 129
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQ--- 191
G IVN+SS+ K + + ++A L + +T++ EL P + VNSV P + T+
Sbjct: 130 GRIVNISSLTVKEPEPNLVLSNVARAGLIGLVKTLSRELAPDGVTVNSVLPGYIDTERVR 189
Query: 192 ------MGRTGWSDPAKAGPMLAKTPLGRFA 216
+ G S + ++ PLGR
Sbjct: 190 RLLEARAEKEGISVEEAEKEVASQIPLGRVG 220
>gnl|CDD|235925 PRK07067, PRK07067, sorbitol dehydrogenase; Provisional.
Length = 257
Score = 103 bits (260), Expect = 6e-27
Identities = 57/177 (32%), Positives = 90/177 (50%), Gaps = 10/177 (5%)
Query: 23 GIGRCIVEKLSQHEA-IIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKV-- 79
GIG + E+ A ++IA K + + P V +D+ V+
Sbjct: 17 GIGEAVAERYLAEGARVVIADIKPARARLAALEIGPAAIAVSLDVTRQDSIDRIVAAAVE 76
Query: 80 --GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSI 137
G +D+L NNAA+ LDI ++ D +F VN+K + + Q V++ M++ G I
Sbjct: 77 RFGGIDILFNNAALFDMAPILDISRDSY-DRLFAVNVKGLFFLMQAVARHMVEQGRGGKI 135
Query: 138 VNVSSIAGK--TALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
+N++S AG+ AL H Y A+KAA+ S T++ AL L + I VN++ P VV T M
Sbjct: 136 INMASQAGRRGEALVSH--YCATKAAVISYTQSAALALIRHGINVNAIAPGVVDTPM 190
>gnl|CDD|187641 cd08936, CR_SDR_c, Porcine peroxisomal carbonyl reductase like,
classical (c) SDR. This subgroup contains porcine
peroxisomal carbonyl reductase and similar proteins. The
porcine enzyme efficiently reduces retinals. This
subgroup also includes human dehydrogenase/reductase
(SDR family) member 4 (DHRS4), and human DHRS4L1. DHRS4
is a peroxisomal enzyme with 3beta-hydroxysteroid
dehydrogenase activity; it catalyzes the reduction of
3-keto-C19/C21-steroids into 3beta-hydroxysteroids more
efficiently than it does the retinal reduction. The
human DHRS4 gene cluster contains DHRS4, DHRS4L2 and
DHRS4L1. DHRS4L2 and DHRS4L1 are paralogs of DHRS4,
DHRS4L2 being the most recent member. SDRs are a
functionally diverse family of oxidoreductases that have
a single domain with a structurally conserved Rossmann
fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRs are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes catalyze a
wide range of activities including the metabolism of
steroids, cofactors, carbohydrates, lipids, aromatic
compounds, and amino acids, and act in redox sensing.
Classical SDRs have an TGXXX[AG]XG cofactor binding
motif and a YXXXK active site motif, with the Tyr
residue of the active site motif serving as a critical
catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 256
Score = 103 bits (258), Expect = 9e-27
Identities = 70/204 (34%), Positives = 102/204 (50%), Gaps = 17/204 (8%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDL----------QDWART 72
GIG I +L+Q A ++ S+ Q N+D +A +Q + + +D R
Sbjct: 21 GIGLAIARRLAQDGAHVVVSSRKQQNVD---RAVATLQGEGLSVTGTVCHVGKAEDRERL 77
Query: 73 RA-AVSKVGPVDVLINNAAVARF-DRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMID 130
A AV+ G VD+L++NAAV F LD EE + D I DVN+KA +++ V M +
Sbjct: 78 VATAVNLHGGVDILVSNAAVNPFFGNILDSTEE-VWDKILDVNVKATALMTKAVVPEM-E 135
Query: 131 HKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT 190
+ GS+V VSS+A G Y+ SK AL +T+ +A EL P NIRVN + P ++ T
Sbjct: 136 KRGGGSVVIVSSVAAFHPFPGLGPYNVSKTALLGLTKNLAPELAPRNIRVNCLAPGLIKT 195
Query: 191 QMGRTGWSDPAKAGPMLAKTPLGR 214
W D A M + R
Sbjct: 196 SFSSALWMDKAVEESMKETLRIRR 219
>gnl|CDD|187624 cd05366, meso-BDH-like_SDR_c, meso-2,3-butanediol
dehydrogenase-like, classical (c) SDRs. 2,3-butanediol
dehydrogenases (BDHs) catalyze the NAD+ dependent
conversion of 2,3-butanediol to acetonin; BDHs are
classified into types according to their
stereospecificity as to substrates and products.
Included in this subgroup are Klebsiella pneumonia
meso-BDH which catalyzes meso-2,3-butanediol to
D(-)-acetonin, and Corynebacterium glutamicum L-BDH
which catalyzes lX+)-2,3-butanediol to L(+)-acetonin.
This subgroup is comprised of classical SDRs with the
characteristic catalytic triad and NAD-binding motif.
SDRs are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet), an NAD(P)(H)-binding
region, and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRs are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD-binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes catalyze a wide range of activities including
the metabolism of steroids, cofactors, carbohydrates,
lipids, aromatic compounds, and amino acids, and act in
redox sensing. Classical SDRs have an TGXXX[AG]XG
cofactor binding motif and a YXXXK active site motif,
with the Tyr residue of the active site motif serving as
a critical catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 257
Score = 102 bits (257), Expect = 1e-26
Identities = 63/184 (34%), Positives = 88/184 (47%), Gaps = 20/184 (10%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQT----------VQVDLQDWART 72
GIGR I E+L+ + I L A+L+ + A +Q V D+ D
Sbjct: 13 GIGRAIAERLAA-DGFNIVL----ADLNLEEAAKSTIQEISEAGYNAVAVGADVTDKDDV 67
Query: 73 RA----AVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTM 128
A AV K G DV++NNA +A L I EE+L ++ VN+ V+ Q ++
Sbjct: 68 EALIDQAVEKFGSFDVMVNNAGIAPITPLLTITEEDL-KKVYAVNVFGVLFGIQAAARQF 126
Query: 129 IDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVV 188
G I+N SSIAG YSASK A+ +T+T A EL P I VN+ P +V
Sbjct: 127 KKLGHGGKIINASSIAGVQGFPNLGAYSASKFAVRGLTQTAAQELAPKGITVNAYAPGIV 186
Query: 189 MTQM 192
T+M
Sbjct: 187 KTEM 190
>gnl|CDD|187615 cd05357, PR_SDR_c, pteridine reductase (PR), classical (c) SDRs.
Pteridine reductases (PRs), members of the SDR family,
catalyzes the NAD-dependent reduction of folic acid,
dihydrofolate and related compounds. In Leishmania,
pteridine reductase (PTR1) acts to circumvent the
anti-protozoan drugs that attack dihydrofolate reductase
activity. Proteins in this subgroup have an N-terminal
NAD-binding motif and a YxxxK active site motif, but
have an Asp instead of the usual upstream catalytic Ser.
SDRs are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet), an NAD(P)(H)-binding
region, and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRS are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD-binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes have a 3-glycine N-terminal NAD(P)(H)-binding
pattern (typically, TGxxxGxG in classical SDRs and
TGxxGxxG in extended SDRs), while substrate binding is
in the C-terminal region. A critical catalytic Tyr
residue (Tyr-151, human 15-hydroxyprostaglandin
dehydrogenase (15-PGDH) numbering), is often found in a
conserved YXXXK pattern. In addition to the Tyr and Lys,
there is often an upstream Ser (Ser-138, 15-PGDH
numbering) and/or an Asn (Asn-107, 15-PGDH numbering) or
additional Ser, contributing to the active site.
Substrates for these enzymes include sugars, steroids,
alcohols, and aromatic compounds. The standard reaction
mechanism is a proton relay involving the conserved Tyr
and Lys, as well as Asn (or Ser). Some SDR family
members, including 17 beta-hydroxysteroid dehydrogenase
contain an additional helix-turn-helix motif that is not
generally found among SDRs.
Length = 234
Score = 101 bits (255), Expect = 2e-26
Identities = 61/200 (30%), Positives = 92/200 (46%), Gaps = 16/200 (8%)
Query: 24 IGRCIVEKL-SQHEAIIIALSKTQANLDSLKQ----AFPNVQTVQVDLQDWAR----TRA 74
IGR I E L ++ +++ ++++A LK + VQ DL D+A A
Sbjct: 12 IGRAIAEALAAEGYRVVVHYNRSEAEAQRLKDELNALRNSAVLVQADLSDFAACADLVAA 71
Query: 75 AVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
A G DVL+NNA+ E+ +F +N+KA + Q ++ +
Sbjct: 72 AFRAFGRCDVLVNNASAFYPTPLGQGSEDAW-AELFGINLKAPYLLIQAFAR-RLAGSRN 129
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGR 194
GSI+N+ L G+ Y SKAAL+ +TR+ ALEL P NIRVN + P +++
Sbjct: 130 GSIINIIDAMTDRPLTGYFAYCMSKAALEGLTRSAALELAP-NIRVNGIAPGLILLPEDM 188
Query: 195 TGWSDPAKAGPMLAKTPLGR 214
A L K PL R
Sbjct: 189 D-AEYRENA---LRKVPLKR 204
>gnl|CDD|181295 PRK08213, PRK08213, gluconate 5-dehydrogenase; Provisional.
Length = 259
Score = 102 bits (256), Expect = 2e-26
Identities = 62/210 (29%), Positives = 101/210 (48%), Gaps = 21/210 (10%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDS----LKQAFPNVQTVQVDLQDWARTRA---- 74
G+G I E L + A ++ ++ L+ L+ + + D+ D A
Sbjct: 23 GLGLQIAEALGEAGARVVLSARKAEELEEAAAHLEALGIDALWIAADVADEADIERLAEE 82
Query: 75 AVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
+ + G VD+L+NNA D E D + ++N++ + +SQ V+K + +
Sbjct: 83 TLERFGHVDILVNNAGATWGAPAEDHPVEA-WDKVMNLNVRGLFLLSQAVAKRSMIPRGY 141
Query: 135 GSIVNVSSIAGKTALEGH------TI-YSASKAALDSITRTMALELGPYNIRVNSVQPTV 187
G I+NV+S+AG L G+ TI Y+ SK A+ + TR +A E GP+ IRVN++ P
Sbjct: 142 GRIINVASVAG---LGGNPPEVMDTIAYNTSKGAVINFTRALAAEWGPHGIRVNAIAPGF 198
Query: 188 VMTQMGRTGWSDPAKAGPMLAKTPLGRFAG 217
T+M T + +LA TPLGR
Sbjct: 199 FPTKM--TRGTLERLGEDLLAHTPLGRLGD 226
>gnl|CDD|181225 PRK08085, PRK08085, gluconate 5-dehydrogenase; Provisional.
Length = 254
Score = 102 bits (255), Expect = 3e-26
Identities = 59/201 (29%), Positives = 97/201 (48%), Gaps = 10/201 (4%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQAN----LDSLKQAFPNVQTVQVDLQDWARTRAAVSK 78
GIG + L+++ A II T + L+Q ++ AA+
Sbjct: 20 GIGFLLATGLAEYGAEIIINDITAERAELAVAKLRQEGIKAHAAPFNVTHKQEVEAAIEH 79
Query: 79 V----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
+ GP+DVLINNA + R F + E+ + + VN AV +SQ V++ M+ +
Sbjct: 80 IEKDIGPIDVLINNAGIQRRHPFTEFPEQEW-NDVIAVNQTAVFLVSQAVARYMVKRQ-A 137
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGR 194
G I+N+ S+ + + T Y+ASK A+ +TR M +EL +NI+VN + P T+M +
Sbjct: 138 GKIINICSMQSELGRDTITPYAASKGAVKMLTRGMCVELARHNIQVNGIAPGYFKTEMTK 197
Query: 195 TGWSDPAKAGPMLAKTPLGRF 215
D A + +TP R+
Sbjct: 198 ALVEDEAFTAWLCKRTPAARW 218
>gnl|CDD|234422 TIGR03971, SDR_subfam_1, oxidoreductase, SDR family. Members of
this protein subfamily are putative oxidoreductases
belonging to the larger SDR family. Members of the
present subfamily may occur several to a genome and are
largely restricted to genomes that contain members of
families TIGR03962, TIGR03967, and TIGR03969. Many
members have been annotated by homology as carveol
dehydrogenases.
Length = 265
Score = 101 bits (254), Expect = 4e-26
Identities = 66/210 (31%), Positives = 97/210 (46%), Gaps = 27/210 (12%)
Query: 23 GIGRCIVEKLSQHEAIIIAL-------------SKTQANLDS----LKQAFPNVQTVQVD 65
G GR +L+ A IIA+ T+ +LD ++ V + D
Sbjct: 14 GQGRAHAVRLAAEGADIIAIDLCAPLSDYPTYPLATREDLDETARLVEALGRKVLARKAD 73
Query: 66 LQDWARTRAAV----SKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINIS 121
++D A RA V + G +DV++ NA V + R ++ EE D++ D+N+ V
Sbjct: 74 VRDLAEVRAVVEDGVEQFGRLDVVVANAGVLSYGRSWELSEEQW-DTVLDINLTGVWRTC 132
Query: 122 QVVSKTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVN 181
+ V MI+ GSI+ SS+AG AL G Y+A+K L +T+T+A EL Y IRVN
Sbjct: 133 KAVVPHMIERGNGGSIIITSSVAGLKALPGLAHYAAAKHGLVGLTKTLANELAEYGIRVN 192
Query: 182 SVQPTVVMTQMGRTGWSDPAKAGPMLAKTP 211
S+ P V T M P K P
Sbjct: 193 SIHPYSVDTPM-----IAPEAMREAFLKYP 217
>gnl|CDD|235712 PRK06138, PRK06138, short chain dehydrogenase; Provisional.
Length = 252
Score = 100 bits (252), Expect = 7e-26
Identities = 58/204 (28%), Positives = 86/204 (42%), Gaps = 13/204 (6%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFP---NVQTVQVDLQDWARTRAAVSKV 79
GIGR + ++ A ++ + + + A Q D+ A V V
Sbjct: 16 GIGRATAKLFAREGARVVVADRDAEAAERVAAAIAAGGRAFARQGDVGSAEAVEALVDFV 75
Query: 80 ----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQG 135
G +DVL+NNA + DE + D++ VN+ V ++ M G
Sbjct: 76 AARWGRLDVLVNNAGFGCGGTVVTTDEADW-DAVMRVNVGGVFLWAKYAIPIMQRQG-GG 133
Query: 136 SIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRT 195
SIVN +S G Y ASK A+ S+TR MAL+ IRVN+V P + T R
Sbjct: 134 SIVNTASQLALAGGRGRAAYVASKGAIASLTRAMALDHATDGIRVNAVAPGTIDTPYFRR 193
Query: 196 GWS---DPAKAGPML-AKTPLGRF 215
++ DP L A+ P+ RF
Sbjct: 194 IFARHADPEALREALRARHPMNRF 217
>gnl|CDD|187612 cd05354, SDR_c7, classical (c) SDR, subgroup 7. These proteins are
members of the classical SDR family, with a canonical
active site triad (and also an active site Asn) and a
typical Gly-rich NAD-binding motif. SDRs are a
functionally diverse family of oxidoreductases that have
a single domain with a structurally conserved Rossmann
fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRS are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes have a
3-glycine N-terminal NAD(P)(H)-binding pattern
(typically, TGxxxGxG in classical SDRs and TGxxGxxG in
extended SDRs), while substrate binding is in the
C-terminal region. A critical catalytic Tyr residue
(Tyr-151, human 15-hydroxyprostaglandin dehydrogenase
(15-PGDH) numbering), is often found in a conserved
YXXXK pattern. In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) or additional
Ser, contributing to the active site. Substrates for
these enzymes include sugars, steroids, alcohols, and
aromatic compounds. The standard reaction mechanism is a
proton relay involving the conserved Tyr and Lys, as
well as Asn (or Ser). Some SDR family members, including
17 beta-hydroxysteroid dehydrogenase contain an
additional helix-turn-helix motif that is not generally
found among SDRs.
Length = 235
Score = 100 bits (250), Expect = 8e-26
Identities = 52/185 (28%), Positives = 87/185 (47%), Gaps = 5/185 (2%)
Query: 23 GIGRCIVEKLSQHEAI-IIALSKTQANLDSL-KQAFPNVQTVQVDLQDWARTRAAVSKVG 80
GIG+ VE L H A + A + + L + V +++D+ D +AA ++
Sbjct: 14 GIGKAFVESLLAHGAKKVYAAVRDPGSAAHLVAKYGDKVVPLRLDVTDPESIKAAAAQAK 73
Query: 81 PVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIVNV 140
VDV+INNA V + L+ + DVN+ ++ ++Q + + + G+IVN+
Sbjct: 74 DVDVVINNAGVLKPATLLEEGALEALKQEMDVNVFGLLRLAQAFAPVLKANG-GGAIVNL 132
Query: 141 SSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRTGWSDP 200
+S+A YSASK+A S+T+ + EL V SV P + T+M +
Sbjct: 133 NSVASLKNFPAMGTYSASKSAAYSLTQGLRAELAAQGTLVLSVHPGPIDTRM--AAGAGG 190
Query: 201 AKAGP 205
K P
Sbjct: 191 PKESP 195
>gnl|CDD|187603 cd05345, BKR_3_SDR_c, putative beta-ketoacyl acyl carrier protein
[ACP] reductase (BKR), subgroup 3, classical (c) SDR.
This subgroup includes the putative Brucella melitensis
biovar Abortus 2308 BKR, FabG, Mesorhizobium loti
MAFF303099 FabG, and other classical SDRs. BKR, a member
of the SDR family, catalyzes the NADPH-dependent
reduction of acyl carrier protein in the first reductive
step of de novo fatty acid synthesis (FAS). FAS
consists of 4 elongation steps, which are repeated to
extend the fatty acid chain thru the addition of
two-carbo units from malonyl acyl-carrier protein (ACP):
condensation, reduction, dehydration, and final
reduction. Type II FAS, typical of plants and many
bacteria, maintains these activities on discrete
polypeptides, while type I Fas utilizes one or 2
multifunctional polypeptides. BKR resembles enoyl
reductase, which catalyzes the second reduction step in
FAS. SDRs are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet), an NAD(P)(H)-binding
region, and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRS are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD-binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes have a 3-glycine N-terminal NAD(P)(H)-binding
pattern (typically, TGxxxGxG in classical SDRs and
TGxxGxxG in extended SDRs), while substrate binding is
in the C-terminal region. A critical catalytic Tyr
residue (Tyr-151, human 15-hydroxyprostaglandin
dehydrogenase (15-PGDH) numbering), is often found in a
conserved YXXXK pattern. In addition to the Tyr and Lys,
there is often an upstream Ser (Ser-138, 15-PGDH
numbering) and/or an Asn (Asn-107, 15-PGDH numbering) or
additional Ser, contributing to the active site.
Substrates for these enzymes include sugars, steroids,
alcohols, and aromatic compounds. The standard reaction
mechanism is a proton relay involving the conserved Tyr
and Lys, as well as Asn (or Ser). Some SDR family
members, including 17 beta-hydroxysteroid dehydrogenase
contain an additional helix-turn-helix motif that is not
generally found among SDRs.
Length = 248
Score = 99.8 bits (249), Expect = 2e-25
Identities = 63/201 (31%), Positives = 96/201 (47%), Gaps = 10/201 (4%)
Query: 23 GIGRCIVEKLSQHEA-IIIALSKTQANLDSLKQAFPNVQTVQVDLQ---DWART-RAAVS 77
G G I + +Q A ++IA +Q D+ D AA+S
Sbjct: 16 GFGEGIARRFAQEGARVVIADINADGAERVAADIGEAAIAIQADVTKRADVEAMVEAALS 75
Query: 78 KVGPVDVLINNAAVARFDR-FLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGS 136
K G +D+L+NNA + ++ L++DEE D +F VN+K++ +Q + M + + G
Sbjct: 76 KFGRLDILVNNAGITHRNKPMLEVDEEEF-DRVFAVNVKSIYLSAQALVPHM-EEQGGGV 133
Query: 137 IVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRT- 195
I+N++S AG G T Y+ASK + + T+ MA+EL P NIRVN + P T +
Sbjct: 134 IINIASTAGLRPRPGLTWYNASKGWVVTATKAMAVELAPRNIRVNCLCPVAGETPLLSMF 193
Query: 196 GWSD-PAKAGPMLAKTPLGRF 215
D P A PLGR
Sbjct: 194 MGEDTPENRAKFRATIPLGRL 214
>gnl|CDD|180773 PRK06949, PRK06949, short chain dehydrogenase; Provisional.
Length = 258
Score = 99.5 bits (248), Expect = 3e-25
Identities = 60/209 (28%), Positives = 104/209 (49%), Gaps = 18/209 (8%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFP----NVQTVQVDLQDWARTRAAV-- 76
G+G + L+Q A ++ S+ L L+ V +D+ D+ +AAV
Sbjct: 20 GLGARFAQVLAQAGAKVVLASRRVERLKELRAEIEAEGGAAHVVSLDVTDYQSIKAAVAH 79
Query: 77 --SKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMI----- 129
++ G +D+L+NN+ V+ + +D+ + D +FD N + ++Q V+K MI
Sbjct: 80 AETEAGTIDILVNNSGVSTTQKLVDVTPADF-DFVFDTNTRGAFFVAQEVAKRMIARAKG 138
Query: 130 --DHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTV 187
+ K G I+N++S+AG L +Y SKAA+ +TR MALE G + I VN++ P
Sbjct: 139 AGNTKPGGRIINIASVAGLRVLPQIGLYCMSKAAVVHMTRAMALEWGRHGINVNAICPGY 198
Query: 188 VMTQMGRTGWSDPA--KAGPMLAKTPLGR 214
+ T++ W K ML + +G+
Sbjct: 199 IDTEINHHHWETEQGQKLVSMLPRKRVGK 227
>gnl|CDD|187584 cd05323, ADH_SDR_c_like, insect type alcohol dehydrogenase
(ADH)-like, classical (c) SDRs. This subgroup contains
insect type ADH, and 15-hydroxyprostaglandin
dehydrogenase (15-PGDH) type I; these proteins are
classical SDRs. ADH catalyzes the NAD+-dependent
oxidation of alcohols to aldehydes/ketones. This
subgroup is distinct from the zinc-dependent alcohol
dehydrogenases of the medium chain
dehydrogenase/reductase family, and evolved in fruit
flies to allow the digestion of fermenting fruit.
15-PGDH catalyzes the NAD-dependent interconversion of
(5Z,13E)-(15S)-11alpha,15-dihydroxy-9-oxoprost-13-enoate
and (5Z,13E)-11alpha-hydroxy-9,15-dioxoprost-13-enoate,
and has a typical SDR glycine-rich NAD-binding motif,
which is not fully present in ADH. SDRs are a
functionally diverse family of oxidoreductases that have
a single domain with a structurally conserved Rossmann
fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRs are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes catalyze a
wide range of activities including the metabolism of
steroids, cofactors, carbohydrates, lipids, aromatic
compounds, and amino acids, and act in redox sensing.
Classical SDRs have an TGXXX[AG]XG cofactor binding
motif and a YXXXK active site motif, with the Tyr
residue of the active site motif serving as a critical
catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 244
Score = 98.5 bits (246), Expect = 4e-25
Identities = 58/203 (28%), Positives = 83/203 (40%), Gaps = 17/203 (8%)
Query: 23 GIGRCIVEKLSQHEA--IIIALSKTQANLDSLKQAFPNVQT--VQVDLQDWARTRAAVSK 78
GIG + L + A I+ ++ L+ P V+ VQ D+ W + AA K
Sbjct: 11 GIGLATAKLLLKKGAKVAILDRNENPGAAAELQAINPKVKATFVQCDVTSWEQLAAAFKK 70
Query: 79 V----GPVDVLINNAAVA-RFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
G VD+LINNA + + DVN+ VIN + + M D
Sbjct: 71 AIEKFGRVDILINNAGILDEKSYLFAGKLPPPWEKTIDVNLTGVINTTYLALHYM-DKNK 129
Query: 134 Q---GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALEL-GPYNIRVNSVQPTVVM 189
G IVN+ S+AG +YSASK + TR++A L +RVN++ P
Sbjct: 130 GGKGGVIVNIGSVAGLYPAPQFPVYSASKHGVVGFTRSLADLLEYKTGVRVNAICPGFTN 189
Query: 190 TQMGRTGWSDPAKAGPMLAKTPL 212
T + AK ML P
Sbjct: 190 TPLLPD---LVAKEAEMLPSAPT 209
>gnl|CDD|183833 PRK12939, PRK12939, short chain dehydrogenase; Provisional.
Length = 250
Score = 98.5 bits (246), Expect = 4e-25
Identities = 46/178 (25%), Positives = 81/178 (45%), Gaps = 10/178 (5%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLD----SLKQAFPNVQTVQVDLQDWARTR----A 74
G+G E L++ A + A +L+ A + DL D A + A
Sbjct: 18 GLGAAFAEALAEAGATVAFNDGLAAEARELAAALEAAGGRAHAIAADLADPASVQRFFDA 77
Query: 75 AVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
A + +G +D L+NNA + ++D + D++ +VN++ + + + D +
Sbjct: 78 AAAALGGLDGLVNNAGITNSKSATELDIDTW-DAVMNVNVRGTFLMLRAALPHLRDSG-R 135
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
G IVN++S Y ASK A+ +TR++A ELG I VN++ P + T+
Sbjct: 136 GRIVNLASDTALWGAPKLGAYVASKGAVIGMTRSLARELGGRGITVNAIAPGLTATEA 193
>gnl|CDD|187643 cd08939, KDSR-like_SDR_c, 3-ketodihydrosphingosine reductase (KDSR)
and related proteins, classical (c) SDR. These proteins
include members identified as KDSR, ribitol type
dehydrogenase, and others. The group shows strong
conservation of the active site tetrad and glycine rich
NAD-binding motif of the classical SDRs. SDRs are a
functionally diverse family of oxidoreductases that have
a single domain with a structurally conserved Rossmann
fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRs are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes catalyze a
wide range of activities including the metabolism of
steroids, cofactors, carbohydrates, lipids, aromatic
compounds, and amino acids, and act in redox sensing.
Classical SDRs have an TGXXX[AG]XG cofactor binding
motif and a YXXXK active site motif, with the Tyr
residue of the active site motif serving as a critical
catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 239
Score = 98.5 bits (246), Expect = 5e-25
Identities = 49/175 (28%), Positives = 86/175 (49%), Gaps = 14/175 (8%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFP--------NVQTVQVDLQDWARTRA 74
GIG+ + ++L + A +I ++++++ L+ + V + DL D+
Sbjct: 12 GIGKALAKELVKEGANVIIVARSESKLEEAVEEIEAEANASGQKVSYISADLSDYEEVEQ 71
Query: 75 AVSKV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMID 130
A ++ GP D+++N A ++ F D+ E + DVN +N++ V M +
Sbjct: 72 AFAQAVEKGGPPDLVVNCAGISIPGLFEDLTAEEFERGM-DVNYFGSLNVAHAVLPLMKE 130
Query: 131 HKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQP 185
+ G IV VSS A + G++ Y SK AL + ++ EL PYNIRV+ V P
Sbjct: 131 QR-PGHIVFVSSQAALVGIYGYSAYCPSKFALRGLAESLRQELKPYNIRVSVVYP 184
>gnl|CDD|180823 PRK07074, PRK07074, short chain dehydrogenase; Provisional.
Length = 257
Score = 98.7 bits (246), Expect = 5e-25
Identities = 65/205 (31%), Positives = 93/205 (45%), Gaps = 18/205 (8%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFP--NVQTVQVDLQDWARTRAAVSK-- 78
GIG+ + + ++AL A L + A V DL D A AA++
Sbjct: 13 GIGQALARRFLAAGDRVLALDIDAAALAAFADALGDARFVPVACDLTDAASLAAALANAA 72
Query: 79 --VGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGS 136
GPVDVL+ NA AR D + +N++A + V + M+ +G+
Sbjct: 73 AERGPVDVLVANAGAARAASLHDTTPASWRADN-ALNLEAAYLCVEAVLEGMLKRS-RGA 130
Query: 137 IVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRTG 196
+VN+ S+ G AL GH YSA+KA L T+ +A+E G + IR N+V P V TQ
Sbjct: 131 VVNIGSVNGMAAL-GHPAYSAAKAGLIHYTKLLAVEYGRFGIRANAVAPGTVKTQ----A 185
Query: 197 WSDPAKAGPML---AKT--PLGRFA 216
W A P + K PL FA
Sbjct: 186 WEARVAANPQVFEELKKWYPLQDFA 210
>gnl|CDD|187625 cd05367, SPR-like_SDR_c, sepiapterin reductase (SPR)-like,
classical (c) SDRs. Human SPR, a member of the SDR
family, catalyzes the NADP-dependent reduction of
sepiaptern to 7,8-dihydrobiopterin (BH2). In addition to
SPRs, this subgroup also contains Bacillus cereus yueD,
a benzil reductase, which catalyzes the stereospecific
reduction of benzil to (S)-benzoin. SDRs are a
functionally diverse family of oxidoreductases that have
a single domain with a structurally conserved Rossmann
fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRs are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes catalyze a
wide range of activities including the metabolism of
steroids, cofactors, carbohydrates, lipids, aromatic
compounds, and amino acids, and act in redox sensing.
Classical SDRs have an TGXXX[AG]XG cofactor binding
motif and a YXXXK active site motif, with the Tyr
residue of the active site motif serving as a critical
catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 241
Score = 98.1 bits (245), Expect = 6e-25
Identities = 53/183 (28%), Positives = 90/183 (49%), Gaps = 13/183 (7%)
Query: 22 PGIGRCIVEKLSQ--HEAIIIALSKTQANLDSLKQAFPN---VQTVQVDLQDWARTRAAV 76
GIGR + E+L + ++++ L++++ L LK+ V TV+ DL D A +
Sbjct: 9 RGIGRALAEELLKRGSPSVVVLLARSEEPLQELKEELRPGLRVTTVKADLSDAAGVEQLL 68
Query: 77 SKVGPVDV----LINNAAV-ARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDH 131
+ +D LINNA + ID + + FD+N+ + + ++ + +
Sbjct: 69 EAIRKLDGERDLLINNAGSLGPVSKIEFIDLDE-LQKYFDLNLTSPVCLTSTLLRAFKKR 127
Query: 132 KIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQ 191
++ ++VNVSS A +G +Y +SKAA D R +A E ++RV S P VV T
Sbjct: 128 GLKKTVVNVSSGAAVNPFKGWGLYCSSKAARDMFFRVLAAEE--PDVRVLSYAPGVVDTD 185
Query: 192 MGR 194
M R
Sbjct: 186 MQR 188
>gnl|CDD|236241 PRK08324, PRK08324, short chain dehydrogenase; Validated.
Length = 681
Score = 102 bits (256), Expect = 7e-25
Identities = 48/177 (27%), Positives = 78/177 (44%), Gaps = 16/177 (9%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAF---PNVQTVQVDLQDWARTRAAVSKV 79
GIG+ ++L+ A ++ + ++ V D+ D A +AA +
Sbjct: 433 GIGKATAKRLAAEGACVVLADLDEEAAEAAAAELGGPDRALGVACDVTDEAAVQAAFEEA 492
Query: 80 ----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQG 135
G VD++++NA +A + +E+ FDVN +++ + M + G
Sbjct: 493 ALAFGGVDIVVSNAGIAISGPIEETSDEDW-RRSFDVNATGHFLVAREAVRIMKAQGLGG 551
Query: 136 SIVNVSS----IAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVV 188
SIV ++S G Y A+KAA + R +ALELGP IRVN V P V
Sbjct: 552 SIVFIASKNAVNPGPNFGA----YGAAKAAELHLVRQLALELGPDGIRVNGVNPDAV 604
>gnl|CDD|237187 PRK12743, PRK12743, oxidoreductase; Provisional.
Length = 256
Score = 98.2 bits (245), Expect = 8e-25
Identities = 55/160 (34%), Positives = 81/160 (50%), Gaps = 7/160 (4%)
Query: 59 VQTVQVDLQDWARTRAAVSKV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNI 114
+ Q+DL D A+ K+ G +DVL+NNA FLD+D + IF V++
Sbjct: 54 AEIRQLDLSDLPEGAQALDKLIQRLGRIDVLVNNAGAMTKAPFLDMDFDEW-RKIFTVDV 112
Query: 115 KAVINISQVVSKTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELG 174
SQ+ ++ M+ G I+N++S+ T L G + Y+A+K AL +T+ MALEL
Sbjct: 113 DGAFLCSQIAARHMVKQGQGGRIINITSVHEHTPLPGASAYTAAKHALGGLTKAMALELV 172
Query: 175 PYNIRVNSVQPTVVMTQMGRTGWSDPAKAGPMLAKTPLGR 214
+ I VN+V P + T M SD K PLGR
Sbjct: 173 EHGILVNAVAPGAIATPMNGMDDSDV-KPDSR-PGIPLGR 210
>gnl|CDD|181335 PRK08264, PRK08264, short chain dehydrogenase; Validated.
Length = 238
Score = 97.7 bits (244), Expect = 1e-24
Identities = 53/182 (29%), Positives = 83/182 (45%), Gaps = 9/182 (4%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQA---NLDSLKQAFPNVQTVQVDLQDWARTRAAVSKV 79
GIGR VE+L A +K A + +S+ P V +Q+D+ D A AA
Sbjct: 17 GIGRAFVEQLLARGA-----AKVYAAARDPESVTDLGPRVVPLQLDVTDPASVAAAAEAA 71
Query: 80 GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIVN 139
V +L+NNA + R L +E+ + + + N + +++ + + + G+IVN
Sbjct: 72 SDVTILVNNAGIFRTGSLLLEGDEDALRAEMETNYFGPLAMARAFAPVLAANG-GGAIVN 130
Query: 140 VSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRTGWSD 199
V S+ YSASKAA S+T+ + EL P RV V P + T M +
Sbjct: 131 VLSVLSWVNFPNLGTYSASKAAAWSLTQALRAELAPQGTRVLGVHPGPIDTDMAAGLDAP 190
Query: 200 PA 201
A
Sbjct: 191 KA 192
>gnl|CDD|237188 PRK12745, PRK12745, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 256
Score = 97.7 bits (244), Expect = 1e-24
Identities = 48/186 (25%), Positives = 71/186 (38%), Gaps = 17/186 (9%)
Query: 23 GIGRCIVEKLSQH--EAIIIALSKT---QANLDSLKQAFPNVQTVQVDLQDWARTRAAVS 77
GIG I L+ + I A L+ V D+ D + A +
Sbjct: 13 GIGLGIARALAAAGFDLAINDRPDDEELAATQQELRALGVEVIFFPADVADLSAHEAMLD 72
Query: 78 KV----GPVDVLINNAAVARFDR--FLDIDEENLIDSIFDVNIKAVINISQVVSKTMID- 130
G +D L+NNA V R LD+ E+ D + +N++ ++Q V+K M+
Sbjct: 73 AAQAAWGRIDCLVNNAGVGVKVRGDLLDLTPESF-DRVLAINLRGPFFLTQAVAKRMLAQ 131
Query: 131 ----HKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPT 186
SIV VSS+ Y SKA L + A L I V V+P
Sbjct: 132 PEPEELPHRSIVFVSSVNAIMVSPNRGEYCISKAGLSMAAQLFAARLAEEGIGVYEVRPG 191
Query: 187 VVMTQM 192
++ T M
Sbjct: 192 LIKTDM 197
>gnl|CDD|168574 PRK06484, PRK06484, short chain dehydrogenase; Validated.
Length = 520
Score = 101 bits (252), Expect = 1e-24
Identities = 64/207 (30%), Positives = 99/207 (47%), Gaps = 19/207 (9%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAF-PNVQTVQVDLQDWARTRAAVSKV-- 79
GIGR ++ ++ ++ + + P+ + +D+ D A+ R ++
Sbjct: 16 GIGRAACQRFARAGDQVVVADRNVERARERADSLGPDHHALAMDVSDEAQIREGFEQLHR 75
Query: 80 --GPVDVLINNAAVARFDRF----LDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
G +DVL+NNA V D LD E + +N+ +++ + MI+
Sbjct: 76 EFGRIDVLVNNAGVT--DPTMTATLDTTLEE-FARLQAINLTGAYLVAREALRLMIEQGH 132
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM- 192
+IVNV+S AG AL T YSASKAA+ S+TR++A E IRVN+V P V TQM
Sbjct: 133 GAAIVNVASGAGLVALPKRTAYSASKAAVISLTRSLACEWAAKGIRVNAVLPGYVRTQMV 192
Query: 193 ---GRTGWSDPAKAGPMLAKTPLGRFA 216
R G DP+ ++ PLGR
Sbjct: 193 AELERAGKLDPSAV---RSRIPLGRLG 216
Score = 95.3 bits (237), Expect = 2e-22
Identities = 58/203 (28%), Positives = 101/203 (49%), Gaps = 19/203 (9%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQ-TVQVDLQDWARTRAAVSKV-- 79
GIGR + ++ + ++ + + L +A + +VQ D+ D A +A +++
Sbjct: 280 GIGRAVADRFAAAGDRLLIIDRDAEGAKKLAEALGDEHLSVQADITDEAAVESAFAQIQA 339
Query: 80 --GPVDVLINNAAVARFDRFLDIDEENL--IDSIFDVNIKAVINISQVVSKTMIDHKIQG 135
G +DVL+NNA +A + F E++ ++DVN+ ++ ++ M + G
Sbjct: 340 RWGRLDVLVNNAGIA--EVFKPSLEQSAEDFTRVYDVNLSGAFACARAAARLM--SQ-GG 394
Query: 136 SIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT----Q 191
IVN+ SIA AL Y ASKAA+ ++R++A E P IRVN+V P + T
Sbjct: 395 VIVNLGSIASLLALPPRNAYCASKAAVTMLSRSLACEWAPAGIRVNTVAPGYIETPAVLA 454
Query: 192 MGRTGWSDPAKAGPMLAKTPLGR 214
+ +G +D + + PLGR
Sbjct: 455 LKASGRADFDS---IRRRIPLGR 474
>gnl|CDD|187614 cd05356, 17beta-HSD1_like_SDR_c, 17-beta-hydroxysteroid
dehydrogenases (17beta-HSDs) types -1, -3, and -12,
-like, classical (c) SDRs. This subgroup includes
various 17-beta-hydroxysteroid dehydrogenases and
3-ketoacyl-CoA reductase, these are members of the SDR
family, and contain the canonical active site tetrad and
glycine-rich NAD-binding motif of the classical SDRs.
3-ketoacyl-CoA reductase (KAR, aka 17beta-HSD type 12,
encoded by HSD17B12) acts in fatty acid elongation;
17beta- hydroxysteroid dehydrogenases are isozymes that
catalyze activation and inactivation of estrogen and
androgens, and include members of the SDR family.
17beta-estradiol dehydrogenase (aka 17beta-HSD type 1,
encoded by HSD17B1) converts estrone to estradiol.
Estradiol is the predominant female sex hormone.
17beta-HSD type 3 (aka testosterone
17-beta-dehydrogenase 3, encoded by HSD17B3) catalyses
the reduction of androstenedione to testosterone, it
also accepts estrogens as substrates. This subgroup also
contains a putative steroid dehydrogenase let-767 from
Caenorhabditis elegans, mutation in which results in
hypersensitivity to cholesterol limitation. SDRs are a
functionally diverse family of oxidoreductases that have
a single domain with a structurally conserved Rossmann
fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRS are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes have a
3-glycine N-terminal NAD(P)(H)-binding pattern
(typically, TGxxxGxG in classical SDRs and TGxxGxxG in
extended SDRs), while substrate binding is in the
C-terminal region. A critical catalytic Tyr residue
(Tyr-151, human 15-hydroxyprostaglandin dehydrogenase
(15-PGDH) numbering), is often found in a conserved
YXXXK pattern. In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) or additional
Ser, contributing to the active site. Substrates for
these enzymes include sugars, steroids, alcohols, and
aromatic compounds. The standard reaction mechanism is a
proton relay involving the conserved Tyr and Lys, as
well as Asn (or Ser). Some SDR family members, including
17 beta-hydroxysteroid dehydrogenase contain an
additional helix-turn-helix motif that is not generally
found among SDRs.
Length = 239
Score = 96.9 bits (242), Expect = 1e-24
Identities = 51/181 (28%), Positives = 92/181 (50%), Gaps = 14/181 (7%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPN-----VQTVQVDL----QDWARTR 73
GIG+ E+L++ +I +S+TQ LD++ + +T+ D + R
Sbjct: 12 GIGKAYAEELAKRGFNVILISRTQEKLDAVAKEIEEKYGVETKTIAADFSAGDDIYERIE 71
Query: 74 AAVSKVGPVDVLINNAAVARF--DRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDH 131
+ + + +L+NN ++ + FL+ E+ + I +VN+ A + +++++ M+
Sbjct: 72 KELEGL-DIGILVNNVGISHSIPEYFLETPED-ELQDIINVNVMATLKMTRLILPGMVKR 129
Query: 132 KIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQ 191
K +G+IVN+SS AG YSASKA LD +R + E I V S+ P +V T+
Sbjct: 130 K-KGAIVNISSFAGLIPTPLLATYSASKAFLDFFSRALYEEYKSQGIDVQSLLPYLVATK 188
Query: 192 M 192
M
Sbjct: 189 M 189
>gnl|CDD|237220 PRK12828, PRK12828, short chain dehydrogenase; Provisional.
Length = 239
Score = 96.8 bits (241), Expect = 2e-24
Identities = 50/178 (28%), Positives = 78/178 (43%), Gaps = 8/178 (4%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTV--QVDLQDWARTRAAVSKV- 79
G+GR L+ A + + + A L P +DL D R AV +V
Sbjct: 18 GLGRATAAWLAARGARVALIGRGAAPLSQTLPGVPADALRIGGIDLVDPQAARRAVDEVN 77
Query: 80 ---GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGS 136
G +D L+N A + D D + D ++ VN+K +N S+ + G
Sbjct: 78 RQFGRLDALVNIAGAFVWGTIADGDADT-WDRMYGVNVKTTLNASKAALPALTASG-GGR 135
Query: 137 IVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGR 194
IVN+ + A A G Y+A+KA + +T +A EL I VN+V P+++ T R
Sbjct: 136 IVNIGAGAALKAGPGMGAYAAAKAGVARLTEALAAELLDRGITVNAVLPSIIDTPPNR 193
>gnl|CDD|187628 cd05370, SDR_c2, classical (c) SDR, subgroup 2. Short-chain
dehydrogenases/reductases (SDRs, aka Tyrosine-dependent
oxidoreductases) are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet), an NAD(P)(H)-binding
region, and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRs are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD-binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes catalyze a wide range of activities including
the metabolism of steroids, cofactors, carbohydrates,
lipids, aromatic compounds, and amino acids, and act in
redox sensing. Classical SDRs have an TGXXX[AG]XG
cofactor binding motif and a YXXXK active site motif,
with the Tyr residue of the active site motif serving as
a critical catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 228
Score = 96.6 bits (241), Expect = 2e-24
Identities = 52/202 (25%), Positives = 85/202 (42%), Gaps = 15/202 (7%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKV--- 79
GIG + K + +I + + L K+ PN+ T+ +D+ D A +
Sbjct: 16 GIGLALARKFLEAGNTVIITGRREERLAEAKKELPNIHTIVLDVGDAESVEALAEALLSE 75
Query: 80 GP-VDVLINNAAVARFDRFLDIDEE-NLIDSIFDVNIKAVINISQVVSKTMIDH---KIQ 134
P +D+LINNA + R D + + D+ D N+ I + K + H + +
Sbjct: 76 YPNLDILINNAGIQRPIDLRDPASDLDKADTEIDTNLIGPIRLI----KAFLPHLKKQPE 131
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGR 194
+IVNVSS + + +Y A+KAAL S T + +L + V + P V T++
Sbjct: 132 ATIVNVSSGLAFVPMAANPVYCATKAALHSYTLALRHQLKDTGVEVVEIVPPAVDTELHE 191
Query: 195 TGWSDPAKAGPMLAKTPLGRFA 216
G K PL F
Sbjct: 192 ---ERRNPDGGTPRKMPLDEFV 210
>gnl|CDD|181136 PRK07825, PRK07825, short chain dehydrogenase; Provisional.
Length = 273
Score = 97.3 bits (243), Expect = 2e-24
Identities = 58/180 (32%), Positives = 85/180 (47%), Gaps = 18/180 (10%)
Query: 23 GIGRCIVEKLSQHEA------IIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAV 76
GIG L+ A + AL+K A V +D+ D A A +
Sbjct: 16 GIGLATARALAALGARVAIGDLDEALAKETA------AELGLVVGGPLDVTDPASFAAFL 69
Query: 77 SKV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHK 132
V GP+DVL+NNA V FLD + + I DVN+ VI S++ + M+ +
Sbjct: 70 DAVEADLGPIDVLVNNAGVMPVGPFLDEPDA-VTRRILDVNVYGVILGSKLAAPRMV-PR 127
Query: 133 IQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
+G +VNV+S+AGK + G Y ASK A+ T LEL + V+ V P+ V T++
Sbjct: 128 GRGHVVNVASLAGKIPVPGMATYCASKHAVVGFTDAARLELRGTGVHVSVVLPSFVNTEL 187
>gnl|CDD|187585 cd05324, carb_red_PTCR-like_SDR_c, Porcine testicular carbonyl
reductase (PTCR)-like, classical (c) SDRs. PTCR is a
classical SDR which catalyzes the NADPH-dependent
reduction of ketones on steroids and prostaglandins.
Unlike most SDRs, PTCR functions as a monomer. This
subgroup also includes human carbonyl reductase 1 (CBR1)
and CBR3. CBR1 is an NADPH-dependent SDR with broad
substrate specificity and may be responsible for the in
vivo reduction of quinones, prostaglandins, and other
carbonyl-containing compounds. In addition it includes
poppy NADPH-dependent salutaridine reductase which
catalyzes the stereospecific reduction of salutaridine
to 7(S)-salutaridinol in the biosynthesis of morphine,
and Arabidopsis SDR1,a menthone reductase, which
catalyzes the reduction of menthone to neomenthol, a
compound with antimicrobial activity; SDR1 can also
carry out neomenthol oxidation. SDRs are a functionally
diverse family of oxidoreductases that have a single
domain with a structurally conserved Rossmann fold
(alpha/beta folding pattern with a central beta-sheet),
an NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Classical SDRs are typically about
250 residues long, while extended SDRs are approximately
350 residues. Sequence identity between different SDR
enzymes are typically in the 15-30% range, but the
enzymes share the Rossmann fold NAD-binding motif and
characteristic NAD-binding and catalytic sequence
patterns. These enzymes catalyze a wide range of
activities including the metabolism of steroids,
cofactors, carbohydrates, lipids, aromatic compounds,
and amino acids, and act in redox sensing. Classical
SDRs have an TGXXX[AG]XG cofactor binding motif and a
YXXXK active site motif, with the Tyr residue of the
active site motif serving as a critical catalytic
residue (Tyr-151, 15-hydroxyprostaglandin dehydrogenase
(15-PGDH) numbering). In addition to the Tyr and Lys,
there is often an upstream Ser (Ser-138, 15-PGDH
numbering) and/or an Asn (Asn-107, 15-PGDH numbering)
contributing to the active site; while substrate binding
is in the C-terminal region, which determines
specificity. The standard reaction mechanism is a
4-pro-S hydride transfer and proton relay involving the
conserved Tyr and Lys, a water molecule stabilized by
Asn, and nicotinamide. Extended SDRs have additional
elements in the C-terminal region, and typically have a
TGXXGXXG cofactor binding motif. Complex (multidomain)
SDRs such as ketoreductase domains of fatty acid
synthase have a GGXGXXG NAD(P)-binding motif and an
altered active site motif (YXXXN). Fungal type ketoacyl
reductases have a TGXXXGX(1-2)G NAD(P)-binding motif.
Some atypical SDRs have lost catalytic activity and/or
have an unusual NAD(P)-binding motif and missing or
unusual active site residues. Reactions catalyzed within
the SDR family include isomerization, decarboxylation,
epimerization, C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 225
Score = 96.2 bits (240), Expect = 2e-24
Identities = 65/224 (29%), Positives = 97/224 (43%), Gaps = 31/224 (13%)
Query: 23 GIGRCIVEKLSQHEAIIIALS-----KTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVS 77
GIG IV +L++ + L+ + QA ++ L+ +V+ Q+D+ D A AA
Sbjct: 11 GIGFEIVRQLAKSGPGTVILTARDVERGQAAVEKLRAEGLSVRFHQLDVTDDASIEAAAD 70
Query: 78 KV----GPVDVLINNAAVARFDRFLDIDE-ENLIDSIFDVNIKAVINISQVVSKTMID-- 130
V G +D+L+NNA +A F F D N ++ V++ ++
Sbjct: 71 FVEEKYGGLDILVNNAGIA-FKGFDDSTPTREQARETMKTNFFGTVD----VTQALLPLL 125
Query: 131 HKIQ-GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVM 189
K G IVNVSS G + Y SKAAL+++TR +A EL I+VN+ P V
Sbjct: 126 KKSPAGRIVNVSSGLGSLT----SAYGVSKAALNALTRILAKELKETGIKVNACCPGWVK 181
Query: 190 TQM-GRTGWSDPAKAGPMLA--------KTPLGRFAGKLKPKPW 224
T M G P + P G+F K PW
Sbjct: 182 TDMGGGKAPKTPEEGAETPVYLALLPPDGEPTGKFFSDKKVVPW 225
>gnl|CDD|236116 PRK07856, PRK07856, short chain dehydrogenase; Provisional.
Length = 252
Score = 96.5 bits (241), Expect = 3e-24
Identities = 53/198 (26%), Positives = 91/198 (45%), Gaps = 10/198 (5%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKV--- 79
GIG I A ++ + + A + D++D + A V +
Sbjct: 17 GIGAGIARAFLAAGATVVVCGRRAPETVDGRPA----EFHAADVRDPDQVAALVDAIVER 72
Query: 80 -GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIV 138
G +DVL+NNA + + + + I ++N+ A + ++Q + M GSIV
Sbjct: 73 HGRLDVLVNNAGGSPYALAAEASP-RFHEKIVELNLLAPLLVAQAANAVMQQQPGGGSIV 131
Query: 139 NVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRTGWS 198
N+ S++G+ G Y A+KA L ++TR++A+E P +RVN+V +V T+ +
Sbjct: 132 NIGSVSGRRPSPGTAAYGAAKAGLLNLTRSLAVEWAP-KVRVNAVVVGLVRTEQSELHYG 190
Query: 199 DPAKAGPMLAKTPLGRFA 216
D + A PLGR A
Sbjct: 191 DAEGIAAVAATVPLGRLA 208
>gnl|CDD|131468 TIGR02415, 23BDH, acetoin reductases. One member of this family,
as characterized in Klebsiella terrigena, is described
as able to interconvert acetoin + NADH with
meso-2,3-butanediol + NAD(+). It is also called capable
of irreversible reduction of diacetyl with NADH to
acetoin. Blomqvist, et al. decline to specify either EC
1.1.1.4 which is (R,R)-butanediol dehydrogenase, or EC
1.1.1.5, which is acetoin dehydrogenase without a
specified stereochemistry, for this enzyme. This enzyme
is a homotetramer in the family of short chain
dehydrogenases (pfam00106). Another member of this
family, from Corynebacterium glutamicum, is called
L-2,3-butanediol dehydrogenase (PMID:11577733) [Energy
metabolism, Fermentation].
Length = 254
Score = 96.8 bits (241), Expect = 3e-24
Identities = 60/200 (30%), Positives = 99/200 (49%), Gaps = 13/200 (6%)
Query: 23 GIGRCIVEKLSQHE-AIIIALSKTQANLDS---LKQAFPNVQTVQVDLQD----WARTRA 74
GIG+ I E+L++ A+ +A + ++ + QA ++D+ D ++
Sbjct: 11 GIGKGIAERLAKDGFAVAVADLNEETAKETAKEINQAGGKAVAYKLDVSDKDQVFSAIDQ 70
Query: 75 AVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
A K G DV++NNA VA L+I EE L +++VN+K V+ Q ++
Sbjct: 71 AAEKFGGFDVMVNNAGVAPITPILEITEEEL-KKVYNVNVKGVLFGIQAAARQFKKQGHG 129
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGR 194
G I+N +SIAG + YS++K A+ +T+T A EL P I VN+ P +V T M
Sbjct: 130 GKIINAASIAGHEGNPILSAYSSTKFAVRGLTQTAAQELAPKGITVNAYCPGIVKTPM-- 187
Query: 195 TGWSDPAKAGPMLAKTPLGR 214
W + + +A P+G
Sbjct: 188 --WEEIDEETSEIAGKPIGE 205
>gnl|CDD|215720 pfam00106, adh_short, short chain dehydrogenase. This family
contains a wide variety of dehydrogenases.
Length = 167
Score = 94.2 bits (235), Expect = 4e-24
Identities = 32/162 (19%), Positives = 60/162 (37%), Gaps = 17/162 (10%)
Query: 23 GIGRCIVEKLSQHEAIIIAL-------SKTQANLDSLKQAFPNVQTVQVDLQDWARTRAA 75
G+G + L+ A + L + L+ V D+ D A
Sbjct: 11 GLGLALARWLAAEGARHLVLVSRRGPAPGAAELVAELEALGAEVTVAACDVADRDALAAL 70
Query: 76 VSKV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDH 131
++ + GP+D +++NA V ++ E + + + N+ ++
Sbjct: 71 LAALPAALGPLDGVVHNAGVLDDGPLEELTPERF-ERVLAPKVTGAWNLHELTR-----D 124
Query: 132 KIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALEL 173
G+ V SS+AG G Y+A+ AALD++ E
Sbjct: 125 LDLGAFVLFSSVAGVLGSPGQANYAAANAALDALAEHRRAEG 166
>gnl|CDD|183773 PRK12824, PRK12824, acetoacetyl-CoA reductase; Provisional.
Length = 245
Score = 95.6 bits (238), Expect = 7e-24
Identities = 54/181 (29%), Positives = 86/181 (47%), Gaps = 11/181 (6%)
Query: 21 KPGIGRCIVEKLSQHEAIIIA--LSKTQANLD--SLKQAFPN-VQTVQVDLQDWARTRAA 75
K GIG I +L +IA S D + V+ ++D+ D A
Sbjct: 11 KRGIGSAIARELLNDGYRVIATYFSGNDCAKDWFEEYGFTEDQVRLKELDVTDTEECAEA 70
Query: 76 VSKV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDH 131
++++ GPVD+L+NNA + R F + + D I + N+ +V N++Q + M +
Sbjct: 71 LAEIEEEEGPVDILVNNAGITRDSVFKRMSHQEWNDVI-NTNLNSVFNVTQPLFAAMCEQ 129
Query: 132 KIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQ 191
G I+N+SS+ G G T YSA+KA + T+ +A E Y I VN + P + T
Sbjct: 130 G-YGRIINISSVNGLKGQFGQTNYSAAKAGMIGFTKALASEGARYGITVNCIAPGYIATP 188
Query: 192 M 192
M
Sbjct: 189 M 189
>gnl|CDD|235702 PRK06124, PRK06124, gluconate 5-dehydrogenase; Provisional.
Length = 256
Score = 93.2 bits (232), Expect = 5e-23
Identities = 55/202 (27%), Positives = 100/202 (49%), Gaps = 14/202 (6%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDS----LKQAFPNVQTVQVDLQDWARTRAAVSK 78
G+G I L+ A ++ + A L++ L+ A + + D+ D AA ++
Sbjct: 22 GLGFEIARALAGAGAHVLVNGRNAATLEAAVAALRAAGGAAEALAFDIADEEAVAAAFAR 81
Query: 79 VGP----VDVLINNAAVARFDR--FLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHK 132
+ +D+L+NN AR DR ++D+ + + + ++ A I +S++ ++ M
Sbjct: 82 IDAEHGRLDILVNNVG-AR-DRRPLAELDDAAIRALL-ETDLVAPILLSRLAAQRMKRQG 138
Query: 133 IQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
G I+ ++SIAG+ A G +Y A+K L + R +A E GP+ I N++ P T+
Sbjct: 139 -YGRIIAITSIAGQVARAGDAVYPAAKQGLTGLMRALAAEFGPHGITSNAIAPGYFATET 197
Query: 193 GRTGWSDPAKAGPMLAKTPLGR 214
+DPA + +TPLGR
Sbjct: 198 NAAMAADPAVGPWLAQRTPLGR 219
>gnl|CDD|188169 TIGR01829, AcAcCoA_reduct, acetoacetyl-CoA reductase. This model
represent acetoacetyl-CoA reductase, a member of the
family short-chain-alcohol dehydrogenases. Note that,
despite the precision implied by the enzyme name, the
reaction of EC 1.1.1.36 is defined more generally as
(R)-3-hydroxyacyl-CoA + NADP+ = 3-oxoacyl-CoA + NADPH.
Members of this family may act in the biosynthesis of
poly-beta-hydroxybutyrate (e.g. Rhizobium meliloti) and
related poly-beta-hydroxyalkanoates. Note that the
member of this family from Azospirillum brasilense,
designated NodG, appears to lack acetoacetyl-CoA
reductase activity and to act instead in the production
of nodulation factor. This family is downgraded to
subfamily for this NodG. Other proteins designated NodG,
as from Rhizobium, belong to related but distinct
protein families.
Length = 242
Score = 92.9 bits (231), Expect = 6e-23
Identities = 59/203 (29%), Positives = 101/203 (49%), Gaps = 13/203 (6%)
Query: 23 GIGRCIVEKLSQHEAIIIA-----LSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVS 77
GIG I ++L++ + A + +A L + + V+ D+ + +AAV+
Sbjct: 11 GIGTAICQRLAKDGYRVAANCGPNEERAEAWLQEQGALGFDFRVVEGDVSSFESCKAAVA 70
Query: 78 KV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
KV GP+DVL+NNA + R F + E ++ D N+ +V N++Q V M +
Sbjct: 71 KVEAELGPIDVLVNNAGITRDATFKKMTYEQW-SAVIDTNLNSVFNVTQPVIDGMRERGW 129
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
G I+N+SS+ G+ G T YSA+KA + T+ +A E + VN++ P + T M
Sbjct: 130 -GRIINISSVNGQKGQFGQTNYSAAKAGMIGFTKALAQEGATKGVTVNTISPGYIATDMV 188
Query: 194 RTGWSDPAKAGPMLAKTPLGRFA 216
D + ++A+ P+GR
Sbjct: 189 MAMREDVLNS--IVAQIPVGRLG 209
>gnl|CDD|181668 PRK09135, PRK09135, pteridine reductase; Provisional.
Length = 249
Score = 92.7 bits (231), Expect = 9e-23
Identities = 60/187 (32%), Positives = 92/187 (49%), Gaps = 18/187 (9%)
Query: 33 SQHEAIIIALSKTQANLDSLKQAFPN-VQTVQVDLQDWAR----TRAAVSKVGPVDVLIN 87
S EA A L P +Q DL D A V+ G +D L+N
Sbjct: 40 SAAEA--------DALAAELNALRPGSAAALQADLLDPDALPELVAACVAAFGRLDALVN 91
Query: 88 NAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIVNVSSIAGKT 147
NA+ I E D +F N+KA +SQ + + K +G+IVN++ I +
Sbjct: 92 NASSFYPTPLGSITEAQW-DDLFASNLKAPFFLSQAAAPQL--RKQRGAIVNITDIHAER 148
Query: 148 ALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRTGWSDPAKAGPML 207
L+G+ +Y A+KAAL+ +TR++ALEL P +RVN+V P ++ + + A+ +L
Sbjct: 149 PLKGYPVYCAAKAALEMLTRSLALELAP-EVRVNAVAPGAILWPEDGNSFDEEARQA-IL 206
Query: 208 AKTPLGR 214
A+TPL R
Sbjct: 207 ARTPLKR 213
>gnl|CDD|236216 PRK08277, PRK08277, D-mannonate oxidoreductase; Provisional.
Length = 278
Score = 93.0 bits (232), Expect = 1e-22
Identities = 63/220 (28%), Positives = 104/220 (47%), Gaps = 30/220 (13%)
Query: 24 IGRCIVEKLSQHEAIIIALSKTQANLD----SLKQAFPNVQTVQVDLQDWARTRAA---- 75
+G + ++L++ A + L + Q + +K A V+ D+ D A
Sbjct: 22 LGGAMAKELARAGAKVAILDRNQEKAEAVVAEIKAAGGEALAVKADVLDKESLEQARQQI 81
Query: 76 VSKVGPVDVLIN----NAAVARFDR-----------FLDIDEENLIDSIFDVNIKAVINI 120
+ GP D+LIN N A D F D+DEE + +FD+N+ +
Sbjct: 82 LEDFGPCDILINGAGGNHPKATTDNEFHELIEPTKTFFDLDEEG-FEFVFDLNLLGTLLP 140
Query: 121 SQVVSKTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRV 180
+QV +K M+ K G+I+N+SS+ T L YSA+KAA+ + T+ +A+ IRV
Sbjct: 141 TQVFAKDMVGRK-GGNIINISSMNAFTPLTKVPAYSAAKAAISNFTQWLAVHFAKVGIRV 199
Query: 181 NSVQPTVVMTQMGRTGWSDP-----AKAGPMLAKTPLGRF 215
N++ P +T+ R + +A +LA TP+GRF
Sbjct: 200 NAIAPGFFLTEQNRALLFNEDGSLTERANKILAHTPMGRF 239
>gnl|CDD|187617 cd05359, ChcA_like_SDR_c, 1-cyclohexenylcarbonyl_coenzyme
A_reductase (ChcA)_like, classical (c) SDRs. This
subgroup contains classical SDR proteins, including
members identified as 1-cyclohexenylcarbonyl coenzyme A
reductase. ChcA of Streptomyces collinus is implicated
in the final reduction step of shikimic acid to
ansatrienin. ChcA shows sequence similarity to the SDR
family of NAD-binding proteins, but it lacks the
conserved Tyr of the characteristic catalytic site. This
subgroup also contains the NADH-dependent
enoyl-[acyl-carrier-protein(ACP)] reductase FabL from
Bacillus subtilis. This enzyme participates in bacterial
fatty acid synthesis, in type II fatty-acid synthases
and catalyzes the last step in each elongation cycle.
SDRs are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet), an NAD(P)(H)-binding
region, and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRS are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD-binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes have a 3-glycine N-terminal NAD(P)(H)-binding
pattern (typically, TGxxxGxG in classical SDRs and
TGxxGxxG in extended SDRs), while substrate binding is
in the C-terminal region. A critical catalytic Tyr
residue (Tyr-151, human 15-hydroxyprostaglandin
dehydrogenase (15-PGDH) numbering), is often found in a
conserved YXXXK pattern. In addition to the Tyr and Lys,
there is often an upstream Ser (Ser-138, 15-PGDH
numbering) and/or an Asn (Asn-107, 15-PGDH numbering) or
additional Ser, contributing to the active site.
Substrates for these enzymes include sugars, steroids,
alcohols, and aromatic compounds. The standard reaction
mechanism is a proton relay involving the conserved Tyr
and Lys, as well as Asn (or Ser). Some SDR family
members, including 17 beta-hydroxysteroid dehydrogenase
contain an additional helix-turn-helix motif that is not
generally found among SDRs.
Length = 242
Score = 91.6 bits (228), Expect = 2e-22
Identities = 59/204 (28%), Positives = 100/204 (49%), Gaps = 17/204 (8%)
Query: 23 GIGRCIVEKLSQHEAIII-----ALSKTQANLDSLKQAFPNVQTVQVDL---QDWARTRA 74
GIG+ I +L++ A ++ + +++ V+ D+ QD A
Sbjct: 9 GIGKAIALRLAERGADVVINYRKSKDAAAEVAAEIEELGGKAVVVRADVSQPQDVEEMFA 68
Query: 75 AV-SKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
AV + G +DVL++NAA F ++ + D+ + N+KA+++ +Q +K M +
Sbjct: 69 AVKERFGRLDVLVSNAAAGAFRPLSELTPAHW-DAKMNTNLKALVHCAQQAAKLMRERG- 126
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
G IV +SS+ AL + +KAAL+++ R +A+ELGP IRVN+V P V+ T
Sbjct: 127 GGRIVAISSLGSIRALPNYLAVGTAKAALEALVRYLAVELGPRGIRVNAVSPGVIDTDAL 186
Query: 194 RTGWSDPAKAGPM---LAKTPLGR 214
P + + A TP GR
Sbjct: 187 A---HFPNREDLLEAAAANTPAGR 207
>gnl|CDD|187600 cd05341, 3beta-17beta-HSD_like_SDR_c, 3beta17beta hydroxysteroid
dehydrogenase-like, classical (c) SDRs. This subgroup
includes members identified as 3beta17beta
hydroxysteroid dehydrogenase, 20beta hydroxysteroid
dehydrogenase, and R-alcohol dehydrogenase. These
proteins exhibit the canonical active site tetrad and
glycine rich NAD(P)-binding motif of the classical SDRs.
17beta-dehydrogenases are a group of isozymes that
catalyze activation and inactivation of estrogen and
androgens, and include members of the SDR family. SDRs
are a functionally diverse family of oxidoreductases
that have a single domain with a structurally conserved
Rossmann fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRS are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes have a
3-glycine N-terminal NAD(P)(H)-binding pattern
(typically, TGxxxGxG in classical SDRs and TGxxGxxG in
extended SDRs), while substrate binding is in the
C-terminal region. A critical catalytic Tyr residue
(Tyr-151, human 15-hydroxyprostaglandin dehydrogenase
(15-PGDH) numbering), is often found in a conserved
YXXXK pattern. In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) or additional
Ser, contributing to the active site. Substrates for
these enzymes include sugars, steroids, alcohols, and
aromatic compounds. The standard reaction mechanism is a
proton relay involving the conserved Tyr and Lys, as
well as Asn (or Ser). Some SDR family members, including
17 beta-hydroxysteroid dehydrogenase contain an
additional helix-turn-helix motif that is not generally
found among SDRs.
Length = 247
Score = 91.3 bits (227), Expect = 3e-22
Identities = 48/156 (30%), Positives = 70/156 (44%), Gaps = 12/156 (7%)
Query: 67 QDWART-RAAVSKVGPVDVLINNAAVARFDRFLDIDEENLID--SIFDVNIKAVINISQV 123
W A G +DVL+NNA + ++ L + + D+N+ V ++
Sbjct: 64 DGWTAVVDTAREAFGRLDVLVNNAGILTGG---TVETTTLEEWRRLLDINLTGVFLGTRA 120
Query: 124 VSKTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGP--YNIRVN 181
V M + GSI+N+SSI G Y+ASK A+ +T++ ALE Y IRVN
Sbjct: 121 VIPPMKE-AGGGSIINMSSIEGLVGDPALAAYNASKGAVRGLTKSAALECATQGYGIRVN 179
Query: 182 SVQPTVVMTQMGRTGWSDPAKAGP-MLAKTPLGRFA 216
SV P + T M T A+ TP+GR
Sbjct: 180 SVHPGYIYTPM--TDELLIAQGEMGNYPNTPMGRAG 213
>gnl|CDD|236372 PRK09072, PRK09072, short chain dehydrogenase; Provisional.
Length = 263
Score = 91.5 bits (228), Expect = 3e-22
Identities = 47/176 (26%), Positives = 79/176 (44%), Gaps = 8/176 (4%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPN---VQTVQVDL---QDWARTRAAV 76
GIG+ + E L+ A ++ + + L++L P + V DL A
Sbjct: 16 GIGQALAEALAAAGARLLLVGRNAEKLEALAARLPYPGRHRWVVADLTSEAGREAVLARA 75
Query: 77 SKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGS 136
++G ++VLINNA V F D D E I+ + +N+ A + +++ + ++ +
Sbjct: 76 REMGGINVLINNAGVNHFALLEDQDPEA-IERLLALNLTAPMQLTRALL-PLLRAQPSAM 133
Query: 137 IVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
+VNV S G G+ Y ASK AL + + EL +RV + P T M
Sbjct: 134 VVNVGSTFGSIGYPGYASYCASKFALRGFSEALRRELADTGVRVLYLAPRATRTAM 189
>gnl|CDD|180802 PRK07035, PRK07035, short chain dehydrogenase; Provisional.
Length = 252
Score = 91.2 bits (227), Expect = 3e-22
Identities = 64/203 (31%), Positives = 98/203 (48%), Gaps = 11/203 (5%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKT----QANLDSLKQAFPNVQTVQV---DLQDWARTRAA 75
GIG I + L+Q A +I S+ QA D++ A + + +++ A
Sbjct: 19 GIGEAIAKLLAQQGAHVIVSSRKLDGCQAVADAIVAAGGKAEALACHIGEMEQIDALFAH 78
Query: 76 V-SKVGPVDVLINNAAV-ARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
+ + G +D+L+NNAA F LD D DVNI+ +S K M +
Sbjct: 79 IRERHGRLDILVNNAAANPYFGHILDTDL-GAFQKTVDVNIRGYFFMSVEAGKLMKEQG- 136
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
GSIVNV+S+ G + + IYS +KAA+ S+T+ A E P+ IRVN++ P + T+
Sbjct: 137 GGSIVNVASVNGVSPGDFQGIYSITKAAVISMTKAFAKECAPFGIRVNALLPGLTDTKFA 196
Query: 194 RTGWSDPAKAGPMLAKTPLGRFA 216
+ + A LA PL R A
Sbjct: 197 SALFKNDAILKQALAHIPLRRHA 219
>gnl|CDD|180576 PRK06463, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 255
Score = 90.6 bits (225), Expect = 6e-22
Identities = 62/187 (33%), Positives = 96/187 (51%), Gaps = 18/187 (9%)
Query: 23 GIGRCIVEKLSQHEAIIIAL---SKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKV 79
GIGR I E + A + L ++ +A L++ V T++ D+ + + + + V
Sbjct: 18 GIGRAIAEAFLREGAKVAVLYNSAENEA--KELREK--GVFTIKCDVGNRDQVKKSKEVV 73
Query: 80 ----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ- 134
G VDVL+NNA + F + DEE + + +N+ I + + K+
Sbjct: 74 EKEFGRVDVLVNNAGIMYLMPFEEFDEEK-YNKMIKINLNGAI---YTTYEFLPLLKLSK 129
Query: 135 -GSIVNVSSIAG-KTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
G+IVN++S AG TA EG T Y+ +KA + +TR +A ELG Y IRVN+V P V T M
Sbjct: 130 NGAIVNIASNAGIGTAAEGTTFYAITKAGIIILTRRLAFELGKYGIRVNAVAPGWVETDM 189
Query: 193 GRTGWSD 199
+G S
Sbjct: 190 TLSGKSQ 196
>gnl|CDD|187640 cd08935, mannonate_red_SDR_c, putative D-mannonate oxidoreductase,
classical (c) SDR. D-mannonate oxidoreductase catalyzes
the NAD-dependent interconversion of D-mannonate and
D-fructuronate. This subgroup includes Bacillus
subtitils UxuB/YjmF, a putative D-mannonate
oxidoreductase; the B. subtilis UxuB gene is part of a
putative ten-gene operon (the Yjm operon) involved in
hexuronate catabolism. Escherichia coli UxuB does not
belong to this subgroup. This subgroup has a canonical
active site tetrad and a typical Gly-rich NAD-binding
motif. SDRs are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet), an NAD(P)(H)-binding
region, and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRs are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD-binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes catalyze a wide range of activities including
the metabolism of steroids, cofactors, carbohydrates,
lipids, aromatic compounds, and amino acids, and act in
redox sensing. Classical SDRs have an TGXXX[AG]XG
cofactor binding motif and a YXXXK active site motif,
with the Tyr residue of the active site motif serving as
a critical catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 271
Score = 89.8 bits (223), Expect = 2e-21
Identities = 63/220 (28%), Positives = 101/220 (45%), Gaps = 29/220 (13%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDS----LKQAFPNVQTVQVDLQDWARTRAA--- 75
+G + L+Q A + AL + Q D + + D+ D A A
Sbjct: 16 VLGGAMARALAQAGAKVAALGRNQEKGDKVAKEITALGGRAIALAADVLDRASLERAREE 75
Query: 76 -VSKVGPVDVLINNAA--------------VARFDRFLDIDEENLIDSIFDVNIKAVINI 120
V++ G VD+LIN A F D+DEE + +FD+N+
Sbjct: 76 IVAQFGTVDILINGAGGNHPDATTDPEHYEPETEQNFFDLDEEG-WEFVFDLNLNGSFLP 134
Query: 121 SQVVSKTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRV 180
SQV K M++ K GSI+N+SS+ + L YSA+KAA+ + T+ +A+E +RV
Sbjct: 135 SQVFGKDMLEQK-GGSIINISSMNAFSPLTKVPAYSAAKAAVSNFTQWLAVEFATTGVRV 193
Query: 181 NSVQPTVVMTQMGRTGWSDP-----AKAGPMLAKTPLGRF 215
N++ P +T R +P ++ +L +TP+GRF
Sbjct: 194 NAIAPGFFVTPQNRKLLINPDGSYTDRSNKILGRTPMGRF 233
>gnl|CDD|187593 cd05332, 11beta-HSD1_like_SDR_c, 11beta-hydroxysteroid
dehydrogenase type 1 (11beta-HSD1)-like, classical (c)
SDRs. Human 11beta_HSD1 catalyzes the NADP(H)-dependent
interconversion of cortisone and cortisol. This subgroup
also includes human dehydrogenase/reductase SDR family
member 7C (DHRS7C) and DHRS7B. These proteins have the
GxxxGxG nucleotide binding motif and S-Y-K catalytic
triad characteristic of the SDRs, but have an atypical
C-terminal domain that contributes to homodimerization
contacts. SDRs are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet), an NAD(P)(H)-binding
region, and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRs are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD-binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes catalyze a wide range of activities including
the metabolism of steroids, cofactors, carbohydrates,
lipids, aromatic compounds, and amino acids, and act in
redox sensing. Classical SDRs have an TGXXX[AG]XG
cofactor binding motif and a YXXXK active site motif,
with the Tyr residue of the active site motif serving as
a critical catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 257
Score = 89.2 bits (222), Expect = 2e-21
Identities = 52/179 (29%), Positives = 85/179 (47%), Gaps = 11/179 (6%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAF-----PNVQTVQVDLQDWARTRAAVS 77
GIG + L++ A ++ ++ + L+ +K P+ V +D+ D V
Sbjct: 14 GIGEELAYHLARLGARLVLSARREERLEEVKSECLELGAPSPHVVPLDMSDLEDAEQVVE 73
Query: 78 KV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
+ G +D+LINNA ++ F D + I +VN + +++ +I+
Sbjct: 74 EALKLFGGLDILINNAGISMRSLFHDTSIDVDRK-IMEVNYFGPVALTKAALPHLIERS- 131
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
QGSIV VSSIAGK + T Y+ASK AL ++ EL NI V V P ++ T +
Sbjct: 132 QGSIVVVSSIAGKIGVPFRTAYAASKHALQGFFDSLRAELSEPNISVTVVCPGLIDTNI 190
>gnl|CDD|181508 PRK08628, PRK08628, short chain dehydrogenase; Provisional.
Length = 258
Score = 88.9 bits (221), Expect = 3e-21
Identities = 70/215 (32%), Positives = 104/215 (48%), Gaps = 39/215 (18%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQAN---LDSLKQAFPNVQTVQVDLQDWARTRAAVSKV 79
GIG I +L++ AI + ++ + + L+ P + VQVDL D A+ R AV +
Sbjct: 18 GIGAAISLRLAEEGAIPVIFGRSAPDDEFAEELRALQPRAEFVQVDLTDDAQCRDAVEQT 77
Query: 80 ----GPVDVLINNAAV-------ARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTM 128
G +D L+NNA V A + F+ E NLI + V++
Sbjct: 78 VAKFGRIDGLVNNAGVNDGVGLEAGREAFVASLERNLI-HYY------------VMAHYC 124
Query: 129 IDH--KIQGSIVNVSSIAGKTALEGH---TIYSASKAALDSITRTMALELGPYNIRVNSV 183
+ H +G+IVN+SS KTAL G + Y+A+K A ++TR A+ L +RVN+V
Sbjct: 125 LPHLKASRGAIVNISS---KTALTGQGGTSGYAAAKGAQLALTREWAVALAKDGVRVNAV 181
Query: 184 QPTVVMTQMGRT---GWSDP-AKAGPMLAKTPLGR 214
P VMT + + DP AK + AK PLG
Sbjct: 182 IPAEVMTPLYENWIATFDDPEAKLAAITAKIPLGH 216
>gnl|CDD|181131 PRK07814, PRK07814, short chain dehydrogenase; Provisional.
Length = 263
Score = 88.7 bits (220), Expect = 3e-21
Identities = 56/200 (28%), Positives = 92/200 (46%), Gaps = 10/200 (5%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDS----LKQAFPNVQTVQVDLQDWARTRA---- 74
G+G I ++ A ++ ++T++ LD ++ A V DL T
Sbjct: 21 GLGAAIALAFAEAGADVLIAARTESQLDEVAEQIRAAGRRAHVVAADLAHPEATAGLAGQ 80
Query: 75 AVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
AV G +D+++NN + L ++L D+ F N+ ++ M++H
Sbjct: 81 AVEAFGRLDIVVNNVGGTMPNPLLSTSTKDLADA-FTFNVATAHALTVAAVPLMLEHSGG 139
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGR 194
GS++N+SS G+ A G Y +KAAL TR AL+L P IRVN++ P ++T
Sbjct: 140 GSVINISSTMGRLAGRGFAAYGTAKAALAHYTRLAALDLCP-RIRVNAIAPGSILTSALE 198
Query: 195 TGWSDPAKAGPMLAKTPLGR 214
++ PM TPL R
Sbjct: 199 VVAANDELRAPMEKATPLRR 218
>gnl|CDD|187635 cd08930, SDR_c8, classical (c) SDR, subgroup 8. This subgroup has
a fairly well conserved active site tetrad and domain
size of the classical SDRs, but has an atypical
NAD-binding motif ([ST]G[GA]XGXXG). SDRs are a
functionally diverse family of oxidoreductases that have
a single domain with a structurally conserved Rossmann
fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRs are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes catalyze a
wide range of activities including the metabolism of
steroids, cofactors, carbohydrates, lipids, aromatic
compounds, and amino acids, and act in redox sensing.
Classical SDRs have an TGXXX[AG]XG cofactor binding
motif and a YXXXK active site motif, with the Tyr
residue of the active site motif serving as a critical
catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 250
Score = 88.2 bits (219), Expect = 4e-21
Identities = 46/184 (25%), Positives = 74/184 (40%), Gaps = 24/184 (13%)
Query: 24 IGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRA--------- 74
IG+ + L A +I L+ LK+ N+ +V + T
Sbjct: 14 IGKAFCKALLSAGARLILADINAPALEQLKEELTNLYKNRVIALELDITSKESIKELIES 73
Query: 75 AVSKVGPVDVLINNAAVARFD---RFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDH 131
+ K G +D+LINNA + RF + E + + +VN+ SQ K
Sbjct: 74 YLEKFGRIDILINNAYPSPKVWGSRFEEFPYEQWNEVL-NVNLGGAFLCSQAFIKLFKKQ 132
Query: 132 KIQGSIVNVSSIAG----------KTALEGHTIYSASKAALDSITRTMALELGPYNIRVN 181
+GSI+N++SI G T + YS KA + +T+ +A IRVN
Sbjct: 133 G-KGSIINIASIYGVIAPDFRIYENTQMYSPVEYSVIKAGIIHLTKYLAKYYADTGIRVN 191
Query: 182 SVQP 185
++ P
Sbjct: 192 AISP 195
>gnl|CDD|235924 PRK07063, PRK07063, short chain dehydrogenase; Provisional.
Length = 260
Score = 88.6 bits (220), Expect = 4e-21
Identities = 60/208 (28%), Positives = 91/208 (43%), Gaps = 16/208 (7%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAF------PNVQTVQVDLQDWARTRAAV 76
GIG I ++ A + A + A V V D+ D A AAV
Sbjct: 18 GIGAAIARAFAREGAAVALADLDAALAERAAAAIARDVAGARVLAVPADVTDAASVAAAV 77
Query: 77 SK----VGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHK 132
+ GP+DVL+NNA + F L + +E+ F V++ N + V M++
Sbjct: 78 AAAEEAFGPLDVLVNNAGINVFADPLAMTDEDW-RRCFAVDLDGAWNGCRAVLPGMVERG 136
Query: 133 IQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
GSIVN++S + G Y +K L +TR + +E N+RVN++ P + TQ+
Sbjct: 137 R-GSIVNIASTHAFKIIPGCFPYPVAKHGLLGLTRALGIEYAARNVRVNAIAPGYIETQL 195
Query: 193 GRTGWS---DPAKA-GPMLAKTPLGRFA 216
W+ DPA A LA P+ R
Sbjct: 196 TEDWWNAQPDPAAARAETLALQPMKRIG 223
>gnl|CDD|181297 PRK08217, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 253
Score = 88.1 bits (219), Expect = 4e-21
Identities = 59/208 (28%), Positives = 95/208 (45%), Gaps = 19/208 (9%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLD----SLKQAFPNVQTVQVDLQDWARTRAAVSK 78
G+GR + E L+Q A + + Q L+ V+ ++ D A ++
Sbjct: 16 GLGRAMAEYLAQKGAKLALIDLNQEKLEEAVAECGALGTEVRGYAANVTDEEDVEATFAQ 75
Query: 79 V----GPVDVLINNAAVARFDRFLDIDEENLID--------SIFDVNIKAVINISQVVSK 126
+ G ++ LINNA + R + + + S+ DVN+ V + +
Sbjct: 76 IAEDFGQLNGLINNAGILRDGLLVKAKDGKVTSKMSLEQFQSVIDVNLTGVFLCGREAAA 135
Query: 127 TMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPT 186
MI+ +G I+N+SSIA + G T YSASKA + ++T T A EL Y IRV ++ P
Sbjct: 136 KMIESGSKGVIINISSIA-RAGNMGQTNYSASKAGVAAMTVTWAKELARYGIRVAAIAPG 194
Query: 187 VVMTQMGRTGWSDPAKAGPMLAKTPLGR 214
V+ T+M T P + P+GR
Sbjct: 195 VIETEM--TAAMKPEALERLEKMIPVGR 220
>gnl|CDD|236040 PRK07523, PRK07523, gluconate 5-dehydrogenase; Provisional.
Length = 255
Score = 87.9 bits (218), Expect = 5e-21
Identities = 58/206 (28%), Positives = 106/206 (51%), Gaps = 11/206 (5%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLD----SLKQAFPNVQTVQVDLQDWARTRAAV-- 76
GIG + E L+Q A +I + A L SLK + + D+ D RAA+
Sbjct: 21 GIGYALAEGLAQAGAEVILNGRDPAKLAAAAESLKGQGLSAHALAFDVTDHDAVRAAIDA 80
Query: 77 --SKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
+++GP+D+L+NNA + +F L+ + + + NI +V + Q V++ MI
Sbjct: 81 FEAEIGPIDILVNNAGM-QFRTPLEDFPADAFERLLRTNISSVFYVGQAVARHMIARG-A 138
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGR 194
G I+N++S+ A G Y+A+K A+ ++T+ MA + + ++ N++ P T +
Sbjct: 139 GKIINIASVQSALARPGIAPYTATKGAVGNLTKGMATDWAKHGLQCNAIAPGYFDTPLNA 198
Query: 195 TGWSDPAKAGPMLAKTPLGRFAGKLK 220
+DP + + +TP GR+ GK++
Sbjct: 199 ALVADPEFSAWLEKRTPAGRW-GKVE 223
>gnl|CDD|187647 cd08943, R1PA_ADH_SDR_c, rhamnulose-1-phosphate aldolase/alcohol
dehydrogenase, classical (c) SDRs. This family has
bifunctional proteins with an N-terminal aldolase and a
C-terminal classical SDR domain. One member is
identified as a rhamnulose-1-phosphate aldolase/alcohol
dehydrogenase. The SDR domain has a canonical SDR
glycine-rich NAD(P) binding motif and a match to the
characteristic active site triad. However, it lacks an
upstream active site Asn typical of SDRs. SDRs are a
functionally diverse family of oxidoreductases that have
a single domain with a structurally conserved Rossmann
fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRs are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes catalyze a
wide range of activities including the metabolism of
steroids, cofactors, carbohydrates, lipids, aromatic
compounds, and amino acids, and act in redox sensing.
Classical SDRs have an TGXXX[AG]XG cofactor binding
motif and a YXXXK active site motif, with the Tyr
residue of the active site motif serving as a critical
catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 250
Score = 87.4 bits (217), Expect = 8e-21
Identities = 47/173 (27%), Positives = 78/173 (45%), Gaps = 8/173 (4%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLD---SLKQAFPNVQTVQVDLQDWARTRAA---- 75
GIG I ++L+ A ++ + Q P VQ D+ A+ ++A
Sbjct: 12 GIGLAIAKRLAAEGAAVVVADIDPEIAEKVAEAAQGGPRALGVQCDVTSEAQVQSAFEQA 71
Query: 76 VSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQG 135
V + G +D++++NA +A + E+ + D+N+ +S+ + M I G
Sbjct: 72 VLEFGGLDIVVSNAGIATSSPIAETSLEDW-NRSMDINLTGHFLVSREAFRIMKSQGIGG 130
Query: 136 SIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVV 188
+IV +S YSA+KAA + R +ALE G IRVN+V P V
Sbjct: 131 NIVFNASKNAVAPGPNAAAYSAAKAAEAHLARCLALEGGEDGIRVNTVNPDAV 183
>gnl|CDD|188170 TIGR01832, kduD, 2-deoxy-D-gluconate 3-dehydrogenase. This model
describes 2-deoxy-D-gluconate 3-dehydrogenase (also
called 2-keto-3-deoxygluconate oxidoreductase), a member
of the family of short-chain-alcohol dehydrogenases
(pfam00106). This protein has been characterized in
Erwinia chrysanthemi as an enzyme of pectin degradation
[Energy metabolism, Biosynthesis and degradation of
polysaccharides].
Length = 248
Score = 87.1 bits (216), Expect = 1e-20
Identities = 55/205 (26%), Positives = 104/205 (50%), Gaps = 19/205 (9%)
Query: 23 GIGRCIVEKLSQHEAIII-----ALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRA--- 74
G+G+ I L++ A I+ S+TQ +++L + F ++ DL D +A
Sbjct: 16 GLGQGIAVGLAEAGADIVGAGRSEPSETQQQVEALGRRF---LSLTADLSDIEAIKALVD 72
Query: 75 -AVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
AV + G +D+L+NNA + R + E++ D + +VN+K+V ++Q +K +
Sbjct: 73 SAVEEFGHIDILVNNAGIIRRADAEEFSEKDW-DDVMNVNLKSVFFLTQAAAKHFLKQGR 131
Query: 134 QGSIVNVSSIAGKTALEGHTI---YSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT 190
G I+N++S+ + +G Y+ASK A+ +T+ +A E I VN++ P + T
Sbjct: 132 GGKIINIASM---LSFQGGIRVPSYTASKHAVAGLTKLLANEWAAKGINVNAIAPGYMAT 188
Query: 191 QMGRTGWSDPAKAGPMLAKTPLGRF 215
+ +D + +L + P GR+
Sbjct: 189 NNTQALRADEDRNAAILERIPAGRW 213
>gnl|CDD|180462 PRK06198, PRK06198, short chain dehydrogenase; Provisional.
Length = 260
Score = 87.0 bits (216), Expect = 1e-20
Identities = 53/186 (28%), Positives = 75/186 (40%), Gaps = 20/186 (10%)
Query: 23 GIGRCIVEKLSQHEAIIIALS-----KTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVS 77
G+G I ++ A + + K +A L+ VQ DL D R V+
Sbjct: 17 GLGAAIARAFAERGAAGLVICGRNAEKGEAQAAELEALGAKAVFVQADLSDVEDCRRVVA 76
Query: 78 KV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
G +D L+N A + LD E L D F VN++A + Q K M K
Sbjct: 77 AADEAFGRLDALVNAAGLTDRGTILDTSPE-LFDRHFAVNVRAPFFLMQEAIKLMRRRKA 135
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
+G+IVN+ S++ Y ASK AL ++TR A L IRVN +
Sbjct: 136 EGTIVNIGSMSAHGGQPFLAAYCASKGALATLTRNAAYALLRNRIRVNGLNI-------- 187
Query: 194 RTGWSD 199
GW
Sbjct: 188 --GWMA 191
>gnl|CDD|181159 PRK07890, PRK07890, short chain dehydrogenase; Provisional.
Length = 258
Score = 86.5 bits (215), Expect = 2e-20
Identities = 49/191 (25%), Positives = 87/191 (45%), Gaps = 20/191 (10%)
Query: 22 PGIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAF----PNVQTVQVDLQDWARTRA--- 74
PG+GR + + ++ A ++ ++T LD + V D+ D +
Sbjct: 15 PGLGRTLAVRAARAGADVVLAARTAERLDEVAAEIDDLGRRALAVPTDITDEDQCANLVA 74
Query: 75 -AVSKVGPVDVLINNA-AVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHK 132
A+ + G VD L+NNA V D D + ++N+ + ++Q + + +
Sbjct: 75 LALERFGRVDALVNNAFRVPSMKPLADADFAHWRAV-IELNVLGTLRLTQAFTPALAESG 133
Query: 133 IQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
GSIV ++S+ + + + Y +K AL + ++++A ELGP IRVNSV P +
Sbjct: 134 --GSIVMINSMVLRHSQPKYGAYKMAKGALLAASQSLATELGPQGIRVNSVAPGYI---- 187
Query: 193 GRTGWSDPAKA 203
W DP K
Sbjct: 188 ----WGDPLKG 194
>gnl|CDD|171821 PRK12937, PRK12937, short chain dehydrogenase; Provisional.
Length = 245
Score = 86.3 bits (214), Expect = 2e-20
Identities = 53/187 (28%), Positives = 84/187 (44%), Gaps = 13/187 (6%)
Query: 23 GIGRCIVEKLSQHE-AIIIALSKTQANLD----SLKQAFPNVQTVQVDLQDWARTR---- 73
GIG I +L+ A+ + + + A D ++ A VQ D+ D A
Sbjct: 16 GIGAAIARRLAADGFAVAVNYAGSAAAADELVAEIEAAGGRAIAVQADVADAAAVTRLFD 75
Query: 74 AAVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
AA + G +DVL+NNA V D D E D N++ + + ++ +
Sbjct: 76 AAETAFGRIDVLVNNAGVMPLGTIADFDLE-DFDRTIATNLRGAFVVLREAARHLGQ--- 131
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
G I+N+S+ L G+ Y+ASKAA++ + +A EL I VN+V P V T++
Sbjct: 132 GGRIINLSTSVIALPLPGYGPYAASKAAVEGLVHVLANELRGRGITVNAVAPGPVATELF 191
Query: 194 RTGWSDP 200
G S
Sbjct: 192 FNGKSAE 198
>gnl|CDD|236209 PRK08265, PRK08265, short chain dehydrogenase; Provisional.
Length = 261
Score = 86.2 bits (214), Expect = 3e-20
Identities = 61/202 (30%), Positives = 95/202 (47%), Gaps = 17/202 (8%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFP-NVQTVQVDLQDWARTRAAVSKV-- 79
IG + L A + + N ++ + + + D+ D A AV+ V
Sbjct: 17 LIGAAVARALVAAGARVAIVDIDADNGAAVAASLGERARFIATDITDDAAIERAVATVVA 76
Query: 80 --GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSI 137
G VD+L+N A D L + + + DVN+ + ++Q + + G+I
Sbjct: 77 RFGRVDILVNLACT-YLDDGLASSRADWLAA-LDVNLVSAAMLAQAAHPHLA--RGGGAI 132
Query: 138 VNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQP----TVVMTQMG 193
VN +SI+ K A G +Y ASKAA+ +TR+MA++L P IRVNSV P + VM ++
Sbjct: 133 VNFTSISAKFAQTGRWLYPASKAAIRQLTRSMAMDLAPDGIRVNSVSPGWTWSRVMDELS 192
Query: 194 RTGWSDPAKAGPMLAKT-PLGR 214
D AKA + A LGR
Sbjct: 193 G---GDRAKADRVAAPFHLLGR 211
>gnl|CDD|187587 cd05326, secoisolariciresinol-DH_like_SDR_c, secoisolariciresinol
dehydrogenase (secoisolariciresinol-DH)-like, classical
(c) SDRs. Podophyllum secoisolariciresinol-DH is a homo
tetrameric, classical SDR that catalyzes the
NAD-dependent conversion of (-)-secoisolariciresinol to
(-)-matairesinol via a (-)-lactol intermediate.
(-)-Matairesinol is an intermediate to various
8'-lignans, including the cancer-preventive mammalian
lignan, and those involved in vascular plant defense.
This subgroup also includes rice momilactone A synthase
which catalyzes the conversion of
3beta-hydroxy-9betaH-pimara-7,15-dien-19,6beta-olide
into momilactone A, Arabidopsis ABA2 which during
abscisic acid (ABA) biosynthesis, catalyzes the
conversion of xanthoxin to abscisic aldehyde and, maize
Tasselseed2 which participate in the maize sex
determination pathway. SDRs are a functionally diverse
family of oxidoreductases that have a single domain with
a structurally conserved Rossmann fold (alpha/beta
folding pattern with a central beta-sheet), an
NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Classical SDRs are typically about
250 residues long, while extended SDRs are approximately
350 residues. Sequence identity between different SDR
enzymes are typically in the 15-30% range, but the
enzymes share the Rossmann fold NAD-binding motif and
characteristic NAD-binding and catalytic sequence
patterns. These enzymes catalyze a wide range of
activities including the metabolism of steroids,
cofactors, carbohydrates, lipids, aromatic compounds,
and amino acids, and act in redox sensing. Classical
SDRs have an TGXXX[AG]XG cofactor binding motif and a
YXXXK active site motif, with the Tyr residue of the
active site motif serving as a critical catalytic
residue (Tyr-151, 15-hydroxyprostaglandin dehydrogenase
(15-PGDH) numbering). In addition to the Tyr and Lys,
there is often an upstream Ser (Ser-138, 15-PGDH
numbering) and/or an Asn (Asn-107, 15-PGDH numbering)
contributing to the active site; while substrate binding
is in the C-terminal region, which determines
specificity. The standard reaction mechanism is a
4-pro-S hydride transfer and proton relay involving the
conserved Tyr and Lys, a water molecule stabilized by
Asn, and nicotinamide. Extended SDRs have additional
elements in the C-terminal region, and typically have a
TGXXGXXG cofactor binding motif. Complex (multidomain)
SDRs such as ketoreductase domains of fatty acid
synthase have a GGXGXXG NAD(P)-binding motif and an
altered active site motif (YXXXN). Fungal type ketoacyl
reductases have a TGXXXGX(1-2)G NAD(P)-binding motif.
Some atypical SDRs have lost catalytic activity and/or
have an unusual NAD(P)-binding motif and missing or
unusual active site residues. Reactions catalyzed within
the SDR family include isomerization, decarboxylation,
epimerization, C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 249
Score = 85.6 bits (212), Expect = 4e-20
Identities = 61/187 (32%), Positives = 93/187 (49%), Gaps = 20/187 (10%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANL-DSLKQAF------PNVQTVQVDLQDWARTRAA 75
GIG ++H A ++ A++ D QA P++ V D+ A RAA
Sbjct: 15 GIGEATARLFAKHGARVVI-----ADIDDDAGQAVAAELGDPDISFVHCDVTVEADVRAA 69
Query: 76 V----SKVGPVDVLINNAAV--ARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMI 129
V ++ G +D++ NNA V A L+ E + + DVN+ ++ ++ MI
Sbjct: 70 VDTAVARFGRLDIMFNNAGVLGAPCYSILETSLEEF-ERVLDVNVYGAFLGTKHAARVMI 128
Query: 130 DHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVM 189
K +GSIV+V+S+AG G Y+ASK A+ +TR+ A ELG + IRVN V P V
Sbjct: 129 PAK-KGSIVSVASVAGVVGGLGPHAYTASKHAVLGLTRSAATELGEHGIRVNCVSPYGVA 187
Query: 190 TQMGRTG 196
T + G
Sbjct: 188 TPLLTAG 194
>gnl|CDD|187586 cd05325, carb_red_sniffer_like_SDR_c, carbonyl reductase
sniffer-like, classical (c) SDRs. Sniffer is an
NADPH-dependent carbonyl reductase of the classical SDR
family. Studies in Drosophila melanogaster implicate
Sniffer in the prevention of neurodegeneration due to
aging and oxidative-stress. This subgroup also includes
Rhodococcus sp. AD45 IsoH, which is an NAD-dependent
1-hydroxy-2-glutathionyl-2-methyl-3-butene dehydrogenase
involved in isoprene metabolism, Aspergillus nidulans
StcE encoded by a gene which is part of a proposed
sterigmatocystin biosynthesis gene cluster, Bacillus
circulans SANK 72073 BtrF encoded by a gene found in the
butirosin biosynthesis gene cluster, and Aspergillus
parasiticus nor-1 involved in the biosynthesis of
aflatoxins. SDRs are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet), an NAD(P)(H)-binding
region, and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRs are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD-binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes catalyze a wide range of activities including
the metabolism of steroids, cofactors, carbohydrates,
lipids, aromatic compounds, and amino acids, and act in
redox sensing. Classical SDRs have an TGXXX[AG]XG
cofactor binding motif and a YXXXK active site motif,
with the Tyr residue of the active site motif serving as
a critical catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 233
Score = 84.7 bits (210), Expect = 6e-20
Identities = 52/184 (28%), Positives = 87/184 (47%), Gaps = 14/184 (7%)
Query: 23 GIGRCIVEKL-SQHEAIIIAL---SKTQANLDSLKQAFPNVQTVQVDLQD----WARTRA 74
GIG +V +L ++ +IA L +L + + +++D+ D A A
Sbjct: 9 GIGLELVRQLLARGNNTVIATCRDPSAATELAALGASHSRLHILELDVTDEIAESAEAVA 68
Query: 75 AVSKVGPVDVLINNAAVAR-FDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
+DVLINNA + + ++D E+L +F VN+ + ++Q ++
Sbjct: 69 ERLGDAGLDVLINNAGILHSYGPASEVDSEDL-LEVFQVNVLGPLLLTQAF-LPLLLKGA 126
Query: 134 QGSIVNVSSIAGK---TALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT 190
+ I+N+SS G G Y ASKAAL+ +T+++A+EL I V S+ P V T
Sbjct: 127 RAKIINISSRVGSIGDNTSGGWYSYRASKAALNMLTKSLAVELKRDGITVVSLHPGWVRT 186
Query: 191 QMGR 194
MG
Sbjct: 187 DMGG 190
>gnl|CDD|180440 PRK06172, PRK06172, short chain dehydrogenase; Provisional.
Length = 253
Score = 84.8 bits (210), Expect = 8e-20
Identities = 54/163 (33%), Positives = 80/163 (49%), Gaps = 16/163 (9%)
Query: 62 VQVDLQDWARTRAAVSKV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAV 117
V D+ A +A V + G +D NNA + L E D+I VN+K V
Sbjct: 61 VACDVTRDAEVKALVEQTIAAYGRLDYAFNNAGIEIEQGRLAEGSEAEFDAIMGVNVKGV 120
Query: 118 -----INISQVVSKTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALE 172
I ++++ G+IVN +S+AG A +IY+ASK A+ +T++ A+E
Sbjct: 121 WLCMKYQIPLMLAQG------GGAIVNTASVAGLGAAPKMSIYAASKHAVIGLTKSAAIE 174
Query: 173 LGPYNIRVNSVQPTVVMTQMGRTGW-SDPAKAGPMLAKTPLGR 214
IRVN+V P V+ T M R + +DP KA A P+GR
Sbjct: 175 YAKKGIRVNAVCPAVIDTDMFRRAYEADPRKAEFAAAMHPVGR 217
>gnl|CDD|187621 cd05363, SDH_SDR_c, Sorbitol dehydrogenase (SDH), classical (c)
SDR. This bacterial subgroup includes Rhodobacter
sphaeroides SDH, and other SDHs. SDH preferentially
interconverts D-sorbitol (D-glucitol) and D-fructose,
but also interconverts L-iditol/L-sorbose and
galactitol/D-tagatose. SDH is NAD-dependent and is a
dimeric member of the SDR family. SDRs are a
functionally diverse family of oxidoreductases that have
a single domain with a structurally conserved Rossmann
fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRS are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes have a
3-glycine N-terminal NAD(P)(H)-binding pattern
(typically, TGxxxGxG in classical SDRs and TGxxGxxG in
extended SDRs), while substrate binding is in the
C-terminal region. A critical catalytic Tyr residue
(Tyr-151, human 15-hydroxyprostaglandin dehydrogenase
(15-PGDH) numbering), is often found in a conserved
YXXXK pattern. In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) or additional
Ser, contributing to the active site. Substrates for
these enzymes include sugars, steroids, alcohols, and
aromatic compounds. The standard reaction mechanism is a
proton relay involving the conserved Tyr and Lys, as
well as Asn (or Ser). Some SDR family members, including
17 beta-hydroxysteroid dehydrogenase contain an
additional helix-turn-helix motif that is not generally
found among SDRs.
Length = 254
Score = 85.0 bits (210), Expect = 8e-20
Identities = 54/177 (30%), Positives = 91/177 (51%), Gaps = 10/177 (5%)
Query: 23 GIGRCIVEK-LSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWAR----TRAAVS 77
GIGR + + + + IA +A + + P + +D+ D A A V
Sbjct: 14 GIGRAFAQAYVREGARVAIADINLEAARATAAEIGPAACAISLDVTDQASIDRCVAALVD 73
Query: 78 KVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSI 137
+ G +D+L+NNAA+ +DI E+ D +F +N+ + + Q V++ MI G I
Sbjct: 74 RWGSIDILVNNAALFDLAPIVDITRESY-DRLFAINVSGTLFMMQAVARAMIAQGRGGKI 132
Query: 138 VNVSSIAGK--TALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
+N++S AG+ AL G Y A+KAA+ S+T++ L L + I VN++ P VV +
Sbjct: 133 INMASQAGRRGEALVGV--YCATKAAVISLTQSAGLNLIRHGINVNAIAPGVVDGEH 187
>gnl|CDD|187597 cd05338, DHRS1_HSDL2-like_SDR_c, human dehydrogenase/reductase (SDR
family) member 1 (DHRS1) and human hydroxysteroid
dehydrogenase-like protein 2 (HSDL2), classical (c)
SDRs. This subgroup includes human DHRS1 and human
HSDL2 and related proteins. These are members of the
classical SDR family, with a canonical Gly-rich
NAD-binding motif and the typical YXXXK active site
motif. However, the rest of the catalytic tetrad is not
strongly conserved. DHRS1 mRNA has been detected in many
tissues, liver, heart, skeletal muscle, kidney and
pancreas; a longer transcript is predominantly expressed
in the liver , a shorter one in the heart. HSDL2 may
play a part in fatty acid metabolism, as it is found in
peroxisomes. SDRs are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet), an NAD(P)(H)-binding
region, and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRS are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD-binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes have a 3-glycine N-terminal NAD(P)(H)-binding
pattern (typically, TGxxxGxG in classical SDRs and
TGxxGxxG in extended SDRs), while substrate binding is
in the C-terminal region. A critical catalytic Tyr
residue (Tyr-151, human 15-hydroxyprostaglandin
dehydrogenase (15-PGDH) numbering), is often found in a
conserved YXXXK pattern. In addition to the Tyr and Lys,
there is often an upstream Ser (Ser-138, 15-PGDH
numbering) and/or an Asn (Asn-107, 15-PGDH numbering) or
additional Ser, contributing to the active site.
Substrates for these enzymes include sugars, steroids,
alcohols, and aromatic compounds. The standard reaction
mechanism is a proton relay involving the conserved Tyr
and Lys, as well as Asn (or Ser). Some SDR family
members, including 17 beta-hydroxysteroid dehydrogenase
contain an additional helix-turn-helix motif that is not
generally found among SDRs.
Length = 246
Score = 83.6 bits (207), Expect = 2e-19
Identities = 54/234 (23%), Positives = 91/234 (38%), Gaps = 48/234 (20%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLK--------------------QAFPNVQTV 62
GIGR I +L++ A ++ +KT + D+ QA P +
Sbjct: 14 GIGRAIALRLAKAGATVVVAAKTASEGDNGSAKSLPGTIEETAEEIEAAGGQALP----I 69
Query: 63 QVDLQDWARTRAAVSKV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVI 118
VD++D + RA V G +D+L+NNA D + D + VN++
Sbjct: 70 VVDVRDEDQVRALVEATVDQFGRLDILVNNAGAIWLSLVEDTPAKRF-DLMQRVNLRG-- 126
Query: 119 NISQVVSKTMIDHKIQ---GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGP 175
+ ++S+ + H ++ G I+N+S G Y+A KA + +T +A EL
Sbjct: 127 --TYLLSQAALPHMVKAGQGHILNISPPLSLRPARGDVAYAAGKAGMSRLTLGLAAELRR 184
Query: 176 YNIRVNS-----VQPTVVMTQMGRTG----WSDP---AKAGPMLAKTPLGRFAG 217
+ I VNS T T++ P + A + P G
Sbjct: 185 HGIAVNSLWPSTAIETPAATELSGGSDPARARSPEILSDAVLAILSRPAAERTG 238
>gnl|CDD|187610 cd05352, MDH-like_SDR_c, mannitol dehydrogenase (MDH)-like,
classical (c) SDRs. NADP-mannitol dehydrogenase
catalyzes the conversion of fructose to mannitol, an
acyclic 6-carbon sugar. MDH is a tetrameric member of
the SDR family. This subgroup also includes various
other tetrameric SDRs, including Pichia stipitis
D-arabinitol dehydrogenase (aka polyol dehydrogenase),
Candida albicans Sou1p, a sorbose reductase, and Candida
parapsilosis (S)-specific carbonyl reductase (SCR, aka
S-specific alcohol dehydrogenase) which catalyzes the
enantioselective reduction of 2-hydroxyacetophenone into
(S)-1-phenyl-1,2-ethanediol. SDRs are a functionally
diverse family of oxidoreductases that have a single
domain with a structurally conserved Rossmann fold
(alpha/beta folding pattern with a central beta-sheet),
an NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Classical SDRs are typically about
250 residues long, while extended SDRS are approximately
350 residues. Sequence identity between different SDR
enzymes are typically in the 15-30% range, but the
enzymes share the Rossmann fold NAD-binding motif and
characteristic NAD-binding and catalytic sequence
patterns. These enzymes have a 3-glycine N-terminal
NAD(P)(H)-binding pattern (typically, TGxxxGxG in
classical SDRs and TGxxGxxG in extended SDRs), while
substrate binding is in the C-terminal region. A
critical catalytic Tyr residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering), is often found in a conserved YXXXK pattern.
In addition to the Tyr and Lys, there is often an
upstream Ser (Ser-138, 15-PGDH numbering) and/or an Asn
(Asn-107, 15-PGDH numbering) or additional Ser,
contributing to the active site. Substrates for these
enzymes include sugars, steroids, alcohols, and aromatic
compounds. The standard reaction mechanism is a proton
relay involving the conserved Tyr and Lys, as well as
Asn (or Ser).
Length = 252
Score = 83.1 bits (206), Expect = 3e-19
Identities = 54/205 (26%), Positives = 91/205 (44%), Gaps = 15/205 (7%)
Query: 23 GIGRCIVEKLSQHEA--IIIALSKTQA--NLDSLKQAFP-NVQTVQVDLQDWARTRAAVS 77
GIG I L++ A II S +A + L + + + + D+
Sbjct: 19 GIGLAIARALAEAGADVAIIYNSAPRAEEKAEELAKKYGVKTKAYKCDVSSQESVEKTFK 78
Query: 78 KV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
++ G +D+LI NA + LD E + + DVN+ V N +Q +K
Sbjct: 79 QIQKDFGKIDILIANAGITVHKPALDYTYEQW-NKVIDVNLNGVFNCAQAAAKIFKKQG- 136
Query: 134 QGSIVNVSSIAGKTALEGHTI--YSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQ 191
+GS++ +S++G Y+ASKAA+ + +++A+E Y IRVNS+ P + T
Sbjct: 137 KGSLIITASMSGTIVNRPQPQAAYNASKAAVIHLAKSLAVEWAKYFIRVNSISPGYIDTD 196
Query: 192 MGRTGWSDPAKAGPMLAKTPLGRFA 216
+ T + D + PL R A
Sbjct: 197 L--TDFVDKELRKKWESYIPLKRIA 219
>gnl|CDD|181298 PRK08219, PRK08219, short chain dehydrogenase; Provisional.
Length = 227
Score = 82.7 bits (205), Expect = 3e-19
Identities = 51/172 (29%), Positives = 80/172 (46%), Gaps = 5/172 (2%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKVGPV 82
GIG I +L+ ++ + LD L P VDL D AAV ++G +
Sbjct: 14 GIGAAIARELAPTH-TLLLGGRPAERLDELAAELPGATPFPVDLTDPEAIAAAVEQLGRL 72
Query: 83 DVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIVNVSS 142
DVL++NA VA + + + +VN+ A +++++ + G +V ++S
Sbjct: 73 DVLVHNAGVADLGPVAESTVDEWRAT-LEVNVVAPAELTRLLLPAL--RAAHGHVVFINS 129
Query: 143 IAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGR 194
AG A G Y+ASK AL ++ + E P N+RV SV P T M R
Sbjct: 130 GAGLRANPGWGSYAASKFALRALADALREE-EPGNVRVTSVHPGRTDTDMQR 180
>gnl|CDD|235739 PRK06200, PRK06200, 2,3-dihydroxy-2,3-dihydrophenylpropionate
dehydrogenase; Provisional.
Length = 263
Score = 83.1 bits (206), Expect = 4e-19
Identities = 65/214 (30%), Positives = 97/214 (45%), Gaps = 25/214 (11%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFP-NVQTVQVDLQDWARTRAAVS---- 77
GIGR +VE+ A + L ++ L SL+Q F +V V+ D+ +A + AV
Sbjct: 17 GIGRALVERFLAEGARVAVLERSAEKLASLRQRFGDHVLVVEGDVTSYADNQRAVDQTVD 76
Query: 78 KVGPVDVLINNAAVARFD---RFLDIDEENL---IDSIFDVNIKAVINISQVVSKTMIDH 131
G +D + NA + +D +DI E L D IF+VN+K + ++ +
Sbjct: 77 AFGKLDCFVGNAGI--WDYNTSLVDIPAETLDTAFDEIFNVNVKGYLLGAKAALPALK-- 132
Query: 132 KIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQ 191
GS++ S + G +Y+ASK A+ + R +A EL P IRVN V P +T
Sbjct: 133 ASGGSMIFTLSNSSFYPGGGGPLYTASKHAVVGLVRQLAYELAPK-IRVNGVAPGGTVTD 191
Query: 192 --------MGRTGWSD-PAKAGPMLAKTPLGRFA 216
G T SD P A + A TPL
Sbjct: 192 LRGPASLGQGETSISDSPGLADMIAAITPLQFAP 225
>gnl|CDD|187596 cd05337, BKR_1_SDR_c, putative beta-ketoacyl acyl carrier protein
[ACP] reductase (BKR), subgroup 1, classical (c) SDR.
This subgroup includes Escherichia coli CFT073 FabG. The
Escherichai coli K12 BKR, FabG, belongs to a different
subgroup. BKR catalyzes the NADPH-dependent reduction of
ACP in the first reductive step of de novo fatty acid
synthesis (FAS). FAS consists of four elongation steps,
which are repeated to extend the fatty acid chain
through the addition of two-carbo units from malonyl
acyl-carrier protein (ACP): condensation, reduction,
dehydration, and a final reduction. Type II FAS, typical
of plants and many bacteria, maintains these activities
on discrete polypeptides, while type I FAS utilizes one
or two multifunctional polypeptides. BKR resembles enoyl
reductase, which catalyzes the second reduction step in
FAS. SDRs are a functionally diverse family of
oxidoreductases that have a single domain with
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet) NAD(P)(H) binding
region and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRS are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes have a 3-glycine N-terminal NAD(P)(H) binding
pattern: TGxxxGxG in classical SDRs. Extended SDRs have
additional elements in the C-terminal region, and
typically have a TGXXGXXG cofactor binding motif.
Complex (multidomain) SDRs such as ketoreductase domains
of fatty acid synthase have a GGXGXXG NAD(P) binding
motif and an altered active site motif (YXXXN). Fungal
type type ketoacyl reductases have a TGXXXGX(1-2)G
NAD(P)-binding motif. Some atypical SDRs have lost
catalytic activity and/or have an unusual NAD(P) binding
motif and missing or unusual active site residues.
Reactions catalyzed within the SDR family include
isomerization, decarboxylation, epimerization, C=N bond
reduction, dehydratase activity, dehalogenation,
Enoyl-CoA reduction, and carbonyl-alcohol
oxidoreduction. A critical catalytic Tyr residue
(Tyr-151, human 15-hydroxyprostaglandin dehydrogenase
(15-PGDH) numbering), is often found in a conserved
YXXXK pattern. In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) or additional
Ser, contributing to the active site. Substrates for
these enzymes include sugars, steroids, alcohols, and
aromatic compounds. The standard reaction mechanism is a
proton relay involving the conserved Tyr-151 and
Lys-155, and well as Asn-111 (or Ser). Some SDR family
members, including 17 beta-hydroxysteroid dehydrogenase
contain an additional helix-turn-helix motif that is not
generally found among SDRs.
Length = 255
Score = 82.9 bits (205), Expect = 4e-19
Identities = 53/225 (23%), Positives = 85/225 (37%), Gaps = 32/225 (14%)
Query: 23 GIGRCIVEKLSQ-HEAIIIALSKTQANLDSLKQ----AFPNVQTVQVDLQDWARTRAAVS 77
GIGR I +L+ I I + A Q D+ + + A +
Sbjct: 12 GIGRAIATELAARGFDIAINDLPDDDQATEVVAEVLAAGRRAIYFQADIGELSDHEALLD 71
Query: 78 KV----GPVDVLINNAAVARFDR--FLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDH 131
+ G +D L+NNA +A R LD+ E++ D + +N++ ++Q V++ M++
Sbjct: 72 QAWEDFGRLDCLVNNAGIAVRPRGDLLDLTEDSF-DRLIAINLRGPFFLTQAVARRMVEQ 130
Query: 132 -----KIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPT 186
SI+ V+SI Y SKA L TR +A L I V+ ++P
Sbjct: 131 PDRFDGPHRSIIFVTSINAYLVSPNRGEYCISKAGLSMATRLLAYRLADEGIAVHEIRPG 190
Query: 187 VVMTQMGRTGWSDPAKAGPML-AKTPLGRFAGKLKPKPWNRWLLP 230
++ T M A G P RW P
Sbjct: 191 LIHTDM-------TAPVKEKYDELIAAGLV-------PIRRWGQP 221
>gnl|CDD|187634 cd08929, SDR_c4, classical (c) SDR, subgroup 4. This subgroup has
a canonical active site tetrad and a typical Gly-rich
NAD-binding motif. SDRs are a functionally diverse
family of oxidoreductases that have a single domain with
a structurally conserved Rossmann fold (alpha/beta
folding pattern with a central beta-sheet), an
NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Classical SDRs are typically about
250 residues long, while extended SDRs are approximately
350 residues. Sequence identity between different SDR
enzymes are typically in the 15-30% range, but the
enzymes share the Rossmann fold NAD-binding motif and
characteristic NAD-binding and catalytic sequence
patterns. These enzymes catalyze a wide range of
activities including the metabolism of steroids,
cofactors, carbohydrates, lipids, aromatic compounds,
and amino acids, and act in redox sensing. Classical
SDRs have an TGXXX[AG]XG cofactor binding motif and a
YXXXK active site motif, with the Tyr residue of the
active site motif serving as a critical catalytic
residue (Tyr-151, human 15-hydroxyprostaglandin
dehydrogenase (15-PGDH) numbering). In addition to the
Tyr and Lys, there is often an upstream Ser (Ser-138,
15-PGDH numbering) and/or an Asn (Asn-107, 15-PGDH
numbering) contributing to the active site; while
substrate binding is in the C-terminal region, which
determines specificity. The standard reaction mechanism
is a 4-pro-S hydride transfer and proton relay involving
the conserved Tyr and Lys, a water molecule stabilized
by Asn, and nicotinamide. Extended SDRs have additional
elements in the C-terminal region, and typically have a
TGXXGXXG cofactor binding motif. Complex (multidomain)
SDRs such as ketoreductase domains of fatty acid
synthase have a GGXGXXG NAD(P)-binding motif and an
altered active site motif (YXXXN). Fungal type ketoacyl
reductases have a TGXXXGX(1-2)G NAD(P)-binding motif.
Some atypical SDRs have lost catalytic activity and/or
have an unusual NAD(P)-binding motif and missing or
unusual active site residues. Reactions catalyzed within
the SDR family include isomerization, decarboxylation,
epimerization, C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 226
Score = 81.8 bits (202), Expect = 7e-19
Identities = 49/173 (28%), Positives = 74/173 (42%), Gaps = 7/173 (4%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQA-FPNVQTVQVDLQDWARTRAAVSKV-- 79
GIG L + ++ +A L + V + D++D A R AV +
Sbjct: 11 GIGEATARLLHAEGYRVGICARDEARLAAAAAQELEGVLGLAGDVRDEADVRRAVDAMEE 70
Query: 80 --GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSI 137
G +D L+NNA V ++ E + A I + + + G+I
Sbjct: 71 AFGGLDALVNNAGVGVMKPVEELTPEEWRLVLDTNLTGAFYCIHKAAPALLR--RGGGTI 128
Query: 138 VNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT 190
VNV S+AGK A +G Y+ASK L ++ L+L NIRV +V P V T
Sbjct: 129 VNVGSLAGKNAFKGGAAYNASKFGLLGLSEAAMLDLREANIRVVNVMPGSVDT 181
>gnl|CDD|187611 cd05353, hydroxyacyl-CoA-like_DH_SDR_c-like, (3R)-hydroxyacyl-CoA
dehydrogenase-like, classical(c)-like SDRs. Beta
oxidation of fatty acids in eukaryotes occurs by a
four-reaction cycle, that may take place in mitochondria
or in peroxisomes. (3R)-hydroxyacyl-CoA dehydrogenase is
part of rat peroxisomal multifunctional MFE-2, it is a
member of the NAD-dependent SDRs, but contains an
additional small C-terminal domain that completes the
active site pocket and participates in dimerization. The
atypical, additional C-terminal extension allows for
more extensive dimerization contact than other SDRs.
MFE-2 catalyzes the second and third reactions of the
peroxisomal beta oxidation cycle. Proteins in this
subgroup have a typical catalytic triad, but have a His
in place of the usual upstream Asn. This subgroup also
contains members identified as 17-beta-hydroxysteroid
dehydrogenases, including human peroxisomal
17-beta-hydroxysteroid dehydrogenase type 4 (17beta-HSD
type 4, aka MFE-2, encoded by HSD17B4 gene) which is
involved in fatty acid beta-oxidation and steroid
metabolism. This subgroup also includes two SDR domains
of the Neurospora crassa and Saccharomyces cerevisiae
multifunctional beta-oxidation protein (MFP, aka Fox2).
SDRs are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet), an NAD(P)(H)-binding
region, and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRS are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD-binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes have a 3-glycine N-terminal NAD(P)(H)-binding
pattern (typically, TGxxxGxG in classical SDRs and
TGxxGxxG in extended SDRs), while substrate binding is
in the C-terminal region. A critical catalytic Tyr
residue (Tyr-151, human 15-hydroxyprostaglandin
dehydrogenase (15-PGDH) numbering), is often found in a
conserved YXXXK pattern. In addition to the Tyr and Lys,
there is often an upstream Ser (Ser-138, 15-PGDH
numbering) and/or an Asn (Asn-107, 15-PGDH numbering) or
additional Ser, contributing to the active site.
Substrates for these enzymes include sugars, steroids,
alcohols, and aromatic compounds. The standard reaction
mechanism is a proton relay involving the conserved Tyr
and Lys, as well as Asn (or Ser). Some SDR family
members, including 17 beta-hydroxysteroid dehydrogenase
contain an additional helix-turn-helix motif that is not
generally found among SDRs.
Length = 250
Score = 82.0 bits (203), Expect = 7e-19
Identities = 47/151 (31%), Positives = 71/151 (47%), Gaps = 15/151 (9%)
Query: 36 EAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKVGPVDVLINNAAVARFD 95
+ I A K AN DS++ V+T A+ G VD+L+NNA + R
Sbjct: 56 DEIKAAGGKAVANYDSVEDGEKIVKT-------------AIDAFGRVDILVNNAGILRDR 102
Query: 96 RFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIVNVSSIAGKTALEGHTIY 155
F + EE+ D + V++K +++ M K G I+N SS AG G Y
Sbjct: 103 SFAKMSEEDW-DLVMRVHLKGSFKVTRAAWPYMRKQK-FGRIINTSSAAGLYGNFGQANY 160
Query: 156 SASKAALDSITRTMALELGPYNIRVNSVQPT 186
SA+K L ++ T+A+E YNI N++ P
Sbjct: 161 SAAKLGLLGLSNTLAIEGAKYNITCNTIAPA 191
>gnl|CDD|236145 PRK08063, PRK08063, enoyl-(acyl carrier protein) reductase;
Provisional.
Length = 250
Score = 82.1 bits (203), Expect = 7e-19
Identities = 51/177 (28%), Positives = 91/177 (51%), Gaps = 11/177 (6%)
Query: 23 GIGRCIVEKLSQ---HEAIIIALSKTQAN--LDSLKQAFPNVQTVQVDLQDWARTRAAVS 77
GIG+ I +L++ A+ A S+ A + ++ V+ ++ D + + +
Sbjct: 15 GIGKAIALRLAEEGYDIAVNYARSRKAAEETAEEIEALGRKALAVKANVGDVEKIKEMFA 74
Query: 78 KV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
++ G +DV +NNAA +++ EE+ D ++N KA++ +Q +K M
Sbjct: 75 QIDEEFGRLDVFVNNAASGVLRPAMEL-EESHWDWTMNINAKALLFCAQEAAKLMEKVG- 132
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT 190
G I+++SS+ LE +T SKAAL+++TR +A+EL P I VN+V V T
Sbjct: 133 GGKIISLSSLGSIRYLENYTTVGVSKAALEALTRYLAVELAPKGIAVNAVSGGAVDT 189
>gnl|CDD|132250 TIGR03206, benzo_BadH, 2-hydroxycyclohexanecarboxyl-CoA
dehydrogenase. Members of this protein family are the
enzyme 2-hydroxycyclohexanecarboxyl-CoA dehydrogenase.
The enzymatic properties were confirmed experimentally
in Rhodopseudomonas palustris; the enzyme is
homotetrameric, and not sensitive to oxygen. This enzyme
is part of proposed pathway for degradation of
benzoyl-CoA to 3-hydroxypimeloyl-CoA that differs from
the analogous in Thauera aromatica. It also may occur in
degradation of the non-aromatic compound
cyclohexane-1-carboxylate.
Length = 250
Score = 81.9 bits (202), Expect = 8e-19
Identities = 54/204 (26%), Positives = 87/204 (42%), Gaps = 14/204 (6%)
Query: 23 GIGRCIVEKLSQHEAII----IALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSK 78
GIG + ++ A + + + ++ N Q D+ D AV+
Sbjct: 14 GIGGATCRRFAEEGAKVAVFDLNREAAEKVAADIRAKGGNAQAFACDITDRDSVDTAVAA 73
Query: 79 V----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
GPVDVL+NNA +F F E L + + +N+ +++ V M++
Sbjct: 74 AEQALGPVDVLVNNAGWDKFGPFTKT-EPPLWERLIAINLTGALHMHHAVLPGMVERG-A 131
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM-- 192
G IVN++S A + G +Y+A K L + ++TMA E + I VN V P T +
Sbjct: 132 GRIVNIASDAARVGSSGEAVYAACKGGLVAFSKTMAREHARHGITVNVVCPGPTDTALLD 191
Query: 193 -GRTGWSDPAKAGPMLAKT-PLGR 214
G +P K + PLGR
Sbjct: 192 DICGGAENPEKLREAFTRAIPLGR 215
>gnl|CDD|183832 PRK12935, PRK12935, acetoacetyl-CoA reductase; Provisional.
Length = 247
Score = 82.0 bits (202), Expect = 9e-19
Identities = 60/185 (32%), Positives = 96/185 (51%), Gaps = 23/185 (12%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPN-VQTVQVDLQDWARTRAAVSKV-- 79
GIG+ I L+Q A K N +S K+A N V + + D +A VSKV
Sbjct: 17 GIGKAITVALAQEGA------KVVINYNSSKEAAENLVNELGKEGHDVYAVQADVSKVED 70
Query: 80 ------------GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKT 127
G VD+L+NNA + R F ++ E+ + + DVN+ +V N + V
Sbjct: 71 ANRLVEEAVNHFGKVDILVNNAGITRDRTFKKLNREDW-ERVIDVNLSSVFNTTSAVLPY 129
Query: 128 MIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTV 187
+ + + +G I+++SSI G+ G T YSA+KA + T+++ALEL N+ VN++ P
Sbjct: 130 ITEAE-EGRIISISSIIGQAGGFGQTNYSAAKAGMLGFTKSLALELAKTNVTVNAICPGF 188
Query: 188 VMTQM 192
+ T+M
Sbjct: 189 IDTEM 193
>gnl|CDD|180984 PRK07454, PRK07454, short chain dehydrogenase; Provisional.
Length = 241
Score = 81.5 bits (202), Expect = 1e-18
Identities = 45/176 (25%), Positives = 77/176 (43%), Gaps = 10/176 (5%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPN----VQTVQVDLQDWARTRAAV-- 76
GIG+ ++ + ++++Q L++L + +DL + +
Sbjct: 17 GIGKATALAFAKAGWDLALVARSQDALEALAAELRSTGVKAAAYSIDLSNPEAIAPGIAE 76
Query: 77 --SKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
+ G DVLINNA +A L++ + + +N+ +V V M +
Sbjct: 77 LLEQFGCPDVLINNAGMAYTGPLLEMPLSDW-QWVIQLNLTSVFQCCSAVLPGMRA-RGG 134
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT 190
G I+NVSSIA + A Y SKAAL + T+ +A E + IRV ++ V T
Sbjct: 135 GLIINVSSIAARNAFPQWGAYCVSKAALAAFTKCLAEEERSHGIRVCTITLGAVNT 190
>gnl|CDD|236094 PRK07774, PRK07774, short chain dehydrogenase; Provisional.
Length = 250
Score = 81.7 bits (202), Expect = 1e-18
Identities = 58/205 (28%), Positives = 89/205 (43%), Gaps = 19/205 (9%)
Query: 23 GIGRCIVEKLSQHEAII----IALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRA---- 74
GIG+ E L++ A + I + + VQVD+ D +A
Sbjct: 17 GIGQAYAEALAREGASVVVADINAEGAERVAKQIVADGGTAIAVQVDVSDPDSAKAMADA 76
Query: 75 AVSKVGPVDVLINNAAV---ARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDH 131
VS G +D L+NNAA+ + D + + + VN+ + ++ V K M
Sbjct: 77 TVSAFGGIDYLVNNAAIYGGMKLDLLITVPWDYY-KKFMSVNLDGALVCTRAVYKHMAKR 135
Query: 132 KIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQ 191
G+IVN SS A A Y +K L+ +T+ +A ELG NIRVN++ P + T+
Sbjct: 136 G-GGAIVNQSSTA---AWLYSNFYGLAKVGLNGLTQQLARELGGMNIRVNAIAPGPIDTE 191
Query: 192 MGRTGWSDPAK-AGPMLAKTPLGRF 215
RT P + M+ PL R
Sbjct: 192 ATRT--VTPKEFVADMVKGIPLSRM 214
>gnl|CDD|187642 cd08937, DHB_DH-like_SDR_c,
1,6-dihydroxycyclohexa-2,4-diene-1-carboxylate
dehydrogenase (DHB DH)-like, classical (c) SDR. DHB DH
(aka 1,2-dihydroxycyclohexa-3,5-diene-1-carboxylate
dehydrogenase) catalyzes the NAD-dependent conversion of
1,2-dihydroxycyclohexa-3,4-diene carboxylate to a
catechol. This subgroup also contains Pseudomonas putida
F1 CmtB, 2,3-dihydroxy-2,3-dihydro-p-cumate
dehydrogenase, the second enzyme in the pathway for
catabolism of p-cumate catabolism. This subgroup shares
the glycine-rich NAD-binding motif of the classical SDRs
and shares the same catalytic triad; however, the
upstream Asn implicated in cofactor binding or catalysis
in other SDRs is generally substituted by a Ser. SDRs
are a functionally diverse family of oxidoreductases
that have a single domain with a structurally conserved
Rossmann fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRs are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes catalyze a
wide range of activities including the metabolism of
steroids, cofactors, carbohydrates, lipids, aromatic
compounds, and amino acids, and act in redox sensing.
Classical SDRs have an TGXXX[AG]XG cofactor binding
motif and a YXXXK active site motif, with the Tyr
residue of the active site motif serving as a critical
catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 256
Score = 81.8 bits (202), Expect = 1e-18
Identities = 56/191 (29%), Positives = 90/191 (47%), Gaps = 14/191 (7%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKT---QANLDSLKQAFPNVQTVQVDLQDWART----RAA 75
GIGR + E+L+ A ++ + ++ L + A DL+ +A RAA
Sbjct: 15 GIGRGVAERLAGEGARVLLVDRSELVHEVLAEILAAGDAAHVHTADLETYAGAQGVVRAA 74
Query: 76 VSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQG 135
V + G VDVLINN + + + EE I++ ++ + + V M++ + QG
Sbjct: 75 VERFGRVDVLINNVGGTIWAKPYEHYEEEQIEAEIRRSLFPTLWCCRAVLPHMLERQ-QG 133
Query: 136 SIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRT 195
IVNVSSIA + YSA+K ++++T ++A E IRVN+V P +
Sbjct: 134 VIVNVSSIATRGIY--RIPYSAAKGGVNALTASLAFEHARDGIRVNAVAPGGTEAPPRKI 191
Query: 196 GWSDPAKAGPM 206
P A PM
Sbjct: 192 ----PRNAAPM 198
>gnl|CDD|183714 PRK12742, PRK12742, oxidoreductase; Provisional.
Length = 237
Score = 81.3 bits (201), Expect = 1e-18
Identities = 55/185 (29%), Positives = 85/185 (45%), Gaps = 12/185 (6%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKVGPV 82
GIG IV + A + + VQ D D V K G +
Sbjct: 17 GIGAAIVRRFVTDGANVRFTYAGSKDAAERLAQETGATAVQTDSADRDAVIDVVRKSGAL 76
Query: 83 DVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIVNVSS 142
D+L+ NA +A F L++D ++ ID +F +NI A + S ++ M + G I+ + S
Sbjct: 77 DILVVNAGIAVFGDALELDADD-IDRLFKINIHAPYHASVEAARQMPE---GGRIIIIGS 132
Query: 143 IAG-KTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRTGWSDPA 201
+ G + + G Y+ASK+AL + R +A + GP I +N VQP + T +PA
Sbjct: 133 VNGDRMPVAGMAAYAASKSALQGMARGLARDFGPRGITINVVQPGPIDTDA------NPA 186
Query: 202 KAGPM 206
GPM
Sbjct: 187 N-GPM 190
>gnl|CDD|180446 PRK06180, PRK06180, short chain dehydrogenase; Provisional.
Length = 277
Score = 81.9 bits (203), Expect = 1e-18
Identities = 44/144 (30%), Positives = 72/144 (50%), Gaps = 22/144 (15%)
Query: 73 RAAVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSI---FDVNIKAVINISQVVSKTMI 129
A + GP+DVL+NNA EE+ + + F+VN+ + +++ V M
Sbjct: 70 ADAEATFGPIDVLVNNAGYGHEGAI----EESPLAEMRRQFEVNVFGAVAMTKAVLPGMR 125
Query: 130 DHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVM 189
+ +G IVN++S+ G + G Y SK AL+ I+ ++A E+ P+ I V +V+P
Sbjct: 126 ARR-RGHIVNITSMGGLITMPGIGYYCGSKFALEGISESLAKEVAPFGIHVTAVEP---- 180
Query: 190 TQMG--RTGWSDPAKAGPMLAKTP 211
G RT W AG + +TP
Sbjct: 181 ---GSFRTDW-----AGRSMVRTP 196
>gnl|CDD|181721 PRK09242, PRK09242, tropinone reductase; Provisional.
Length = 257
Score = 81.3 bits (201), Expect = 1e-18
Identities = 54/205 (26%), Positives = 89/205 (43%), Gaps = 14/205 (6%)
Query: 23 GIGRCIVEKLSQ--HEAIIIALSKT--QANLDSLKQAFPN--VQTVQVDLQDWARTRAAV 76
GIG I + + +I+A D L + FP V + D+ D R A+
Sbjct: 20 GIGLAIAREFLGLGADVLIVARDADALAQARDELAEEFPEREVHGLAADVSD-DEDRRAI 78
Query: 77 -----SKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDH 131
+ +L+NNA +D E+ IF+ N+ + +S+ + H
Sbjct: 79 LDWVEDHWDGLHILVNNAGGNIRKAAIDYTEDEW-RGIFETNLFSAFELSRYAHPLLKQH 137
Query: 132 KIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQ 191
+IVN+ S++G T + Y +KAAL +TR +A+E IRVN+V P + T
Sbjct: 138 A-SSAIVNIGSVSGLTHVRSGAPYGMTKAALLQMTRNLAVEWAEDGIRVNAVAPWYIRTP 196
Query: 192 MGRTGWSDPAKAGPMLAKTPLGRFA 216
+ SDP ++ +TP+ R
Sbjct: 197 LTSGPLSDPDYYEQVIERTPMRRVG 221
>gnl|CDD|187608 cd05350, SDR_c6, classical (c) SDR, subgroup 6. These proteins are
members of the classical SDR family, with a canonical
active site tetrad and a fairly well conserved typical
Gly-rich NAD-binding motif. SDRs are a functionally
diverse family of oxidoreductases that have a single
domain with a structurally conserved Rossmann fold
(alpha/beta folding pattern with a central beta-sheet),
an NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Classical SDRs are typically about
250 residues long, while extended SDRS are approximately
350 residues. Sequence identity between different SDR
enzymes are typically in the 15-30% range, but the
enzymes share the Rossmann fold NAD-binding motif and
characteristic NAD-binding and catalytic sequence
patterns. These enzymes have a 3-glycine N-terminal
NAD(P)(H)-binding pattern (typically, TGxxxGxG in
classical SDRs and TGxxGxxG in extended SDRs), while
substrate binding is in the C-terminal region. A
critical catalytic Tyr residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering), is often found in a conserved YXXXK pattern.
In addition to the Tyr and Lys, there is often an
upstream Ser (Ser-138, 15-PGDH numbering) and/or an Asn
(Asn-107, 15-PGDH numbering) or additional Ser,
contributing to the active site. Substrates for these
enzymes include sugars, steroids, alcohols, and aromatic
compounds. The standard reaction mechanism is a proton
relay involving the conserved Tyr and Lys, as well as
Asn (or Ser). Some SDR family members, including 17
beta-hydroxysteroid dehydrogenase contain an additional
helix-turn-helix motif that is not generally found among
SDRs.
Length = 239
Score = 80.5 bits (199), Expect = 3e-18
Identities = 44/179 (24%), Positives = 80/179 (44%), Gaps = 12/179 (6%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLK----QAFPNVQTVQVDLQDWARTRAAVSK 78
GIGR + + ++ + ++ LD LK P+V+ +D+ D R + +++
Sbjct: 9 GIGRALAREFAKAGYNVALAARRTDRLDELKAELLNPNPSVEVEILDVTDEERNQLVIAE 68
Query: 79 ----VGPVDVLINNAAVARFDRFLDID-EENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
+G +D++I NA V + D+ + D N+ I +
Sbjct: 69 LEAELGGLDLVIINAGVGKGTSLGDLSFKAFR--ETIDTNLLGAAAILEAALPQFRAKG- 125
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
+G +V +SS+A L G YSASKAAL S+ ++ ++ IRV + P + T +
Sbjct: 126 RGHLVLISSVAALRGLPGAAAYSASKAALSSLAESLRYDVKKRGIRVTVINPGFIDTPL 184
>gnl|CDD|180761 PRK06935, PRK06935, 2-deoxy-D-gluconate 3-dehydrogenase;
Provisional.
Length = 258
Score = 80.5 bits (199), Expect = 3e-18
Identities = 59/209 (28%), Positives = 100/209 (47%), Gaps = 19/209 (9%)
Query: 20 PKPGIGRCIVEKLSQHEA-IIIALSKTQANLDSLKQAFPN----VQTVQVDLQDWARTRA 74
G+G+ L++ A III T N D ++ V VQVDL
Sbjct: 23 GNTGLGQGYAVALAKAGADIIITTHGT--NWDETRRLIEKEGRKVTFVQVDLTKPESAEK 80
Query: 75 AVSKV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMID 130
V + G +D+L+NNA R L+ +E+ +++ D+N+ +V ++SQ V+K M
Sbjct: 81 VVKEALEEFGKIDILVNNAGTIRRAPLLEYKDEDW-NAVMDINLNSVYHLSQAVAKVMAK 139
Query: 131 HKIQGSIVNVSSIAGKTALEGHTI---YSASKAALDSITRTMALELGPYNIRVNSVQPTV 187
G I+N++S+ + +G Y+ASK + +T+ A EL YNI+VN++ P
Sbjct: 140 QG-SGKIINIASM---LSFQGGKFVPAYTASKHGVAGLTKAFANELAAYNIQVNAIAPGY 195
Query: 188 VMTQMGRTGWSDPAKAGPMLAKTPLGRFA 216
+ T +D + +L + P GR+
Sbjct: 196 IKTANTAPIRADKNRNDEILKRIPAGRWG 224
>gnl|CDD|135765 PRK06113, PRK06113, 7-alpha-hydroxysteroid dehydrogenase;
Validated.
Length = 255
Score = 80.7 bits (199), Expect = 3e-18
Identities = 56/205 (27%), Positives = 98/205 (47%), Gaps = 22/205 (10%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQ-------------TVQVDLQDW 69
GIG+ I + A ++ + N D+ +Q T + +L
Sbjct: 22 GIGKEIAITFATAGASVVV---SDINADAANHVVDEIQQLGGQAFACRCDITSEQELS-- 76
Query: 70 ARTRAAVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMI 129
A A+SK+G VD+L+NNA F D+ + + +++N+ + ++SQ+V+ M
Sbjct: 77 ALADFALSKLGKVDILVNNAGGGGPKPF-DMPMADFRRA-YELNVFSFFHLSQLVAPEM- 133
Query: 130 DHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVM 189
+ G I+ ++S+A + T Y++SKAA + R MA +LG NIRVN + P ++
Sbjct: 134 EKNGGGVILTITSMAAENKNINMTSYASSKAAASHLVRNMAFDLGEKNIRVNGIAPGAIL 193
Query: 190 TQMGRTGWSDPAKAGPMLAKTPLGR 214
T ++ + P ML TP+ R
Sbjct: 194 TDALKSVIT-PEIEQKMLQHTPIRR 217
>gnl|CDD|171822 PRK12938, PRK12938, acetyacetyl-CoA reductase; Provisional.
Length = 246
Score = 80.1 bits (197), Expect = 4e-18
Identities = 51/179 (28%), Positives = 90/179 (50%), Gaps = 11/179 (6%)
Query: 23 GIGRCIVEKLSQHEAIIIA-----LSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVS 77
GIG I ++L + ++A + L+ K + + ++ DW T+AA
Sbjct: 14 GIGTSICQRLHKDGFKVVAGCGPNSPRRVKWLEDQKALGFDFIASEGNVGDWDSTKAAFD 73
Query: 78 KV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
KV G +DVL+NNA + R F + E+ ++ D N+ ++ N+++ V M++
Sbjct: 74 KVKAEVGEIDVLVNNAGITRDVVFRKMTREDW-TAVIDTNLTSLFNVTKQVIDGMVERGW 132
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
G I+N+SS+ G+ G T YS +KA + T ++A E+ + VN+V P + T M
Sbjct: 133 -GRIINISSVNGQKGQFGQTNYSTAKAGIHGFTMSLAQEVATKGVTVNTVSPGYIGTDM 190
>gnl|CDD|212492 cd05327, retinol-DH_like_SDR_c_like, retinol dehydrogenase
(retinol-DH), Light dependent Protochlorophyllide
(Pchlide) OxidoReductase (LPOR) and related proteins,
classical (c) SDRs. Classical SDR subgroup containing
retinol-DHs, LPORs, and related proteins. Retinol is
processed by a medium chain alcohol dehydrogenase
followed by retinol-DHs. Pchlide reductases act in
chlorophyll biosynthesis. There are distinct enzymes
that catalyze Pchlide reduction in light or dark
conditions. Light-dependent reduction is via an
NADP-dependent SDR, LPOR. Proteins in this subfamily
share the glycine-rich NAD-binding motif of the
classical SDRs, have a partial match to the canonical
active site tetrad, but lack the typical active site
Ser. This subgroup includes the human proteins: retinol
dehydrogenase -12, -13 ,and -14, dehydrogenase/reductase
SDR family member (DHRS)-12 , -13 and -X (a DHRS on
chromosome X), and WWOX (WW domain-containing
oxidoreductase), as well as a Neurospora crassa SDR
encoded by the blue light inducible bli-4 gene. SDRs are
a functionally diverse family of oxidoreductases that
have a single domain with a structurally conserved
Rossmann fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRs are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes catalyze a
wide range of activities including the metabolism of
steroids, cofactors, carbohydrates, lipids, aromatic
compounds, and amino acids, and act in redox sensing.
Classical SDRs have an TGXXX[AG]XG cofactor binding
motif and a YXXXK active site motif, with the Tyr
residue of the active site motif serving as a critical
catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 269
Score = 80.0 bits (198), Expect = 7e-18
Identities = 57/218 (26%), Positives = 88/218 (40%), Gaps = 35/218 (16%)
Query: 23 GIGRCIVEKLSQHEA-IIIA---LSKTQANLDSLKQAFPN--VQTVQVDLQDWARTRAAV 76
GIG+ +L++ A +IIA K + +K+ N V+ +Q+DL A R
Sbjct: 12 GIGKETARELAKRGAHVIIACRNEEKGEEAAAEIKKETGNAKVEVIQLDLSSLASVRQFA 71
Query: 77 ----SKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTM--ID 130
++ +D+LINNA + R L D + F VN + + + + +
Sbjct: 72 EEFLARFPRLDILINNAGIMAPPRRLTKDG---FELQFAVN---YLGHFLLTNLLLPVLK 125
Query: 131 HKIQGSIVNVSSIAGKTA--------------LEGHTIYSASKAALDSITRTMALELGPY 176
IVNVSSIA + + Y SK A TR +A L
Sbjct: 126 ASAPSRIVNVSSIAHRAGPIDFNDLDLENNKEYSPYKAYGQSKLANILFTRELARRLEGT 185
Query: 177 NIRVNSVQPTVVMTQMGRTGWSDPAK---AGPMLAKTP 211
+ VN++ P VV T++ R S P L K+P
Sbjct: 186 GVTVNALHPGVVRTELLRRNGSFFLLYKLLRPFLKKSP 223
>gnl|CDD|187629 cd05371, HSD10-like_SDR_c, 17hydroxysteroid dehydrogenase type 10
(HSD10)-like, classical (c) SDRs. HSD10, also known as
amyloid-peptide-binding alcohol dehydrogenase (ABAD),
was previously identified as a L-3-hydroxyacyl-CoA
dehydrogenase, HADH2. In fatty acid metabolism, HADH2
catalyzes the third step of beta-oxidation, the
conversion of a hydroxyl to a keto group in the
NAD-dependent oxidation of L-3-hydroxyacyl CoA. In
addition to alcohol dehydrogenase and HADH2 activites,
HSD10 has steroid dehydrogenase activity. Although the
mechanism is unclear, HSD10 is implicated in the
formation of amyloid beta-petide in the brain (which is
linked to the development of Alzheimer's disease).
Although HSD10 is normally concentrated in the
mitochondria, in the presence of amyloid beta-peptide it
translocates into the plasma membrane, where it's action
may generate cytotoxic aldehydes and may lower estrogen
levels through its use of 17-beta-estradiol as a
substrate. HSD10 is a member of the SRD family, but
differs from other SDRs by the presence of two
insertions of unknown function. SDRs are a functionally
diverse family of oxidoreductases that have a single
domain with a structurally conserved Rossmann fold
(alpha/beta folding pattern with a central beta-sheet),
an NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Classical SDRs are typically about
250 residues long, while extended SDRs are approximately
350 residues. Sequence identity between different SDR
enzymes are typically in the 15-30% range, but the
enzymes share the Rossmann fold NAD-binding motif and
characteristic NAD-binding and catalytic sequence
patterns. These enzymes catalyze a wide range of
activities including the metabolism of steroids,
cofactors, carbohydrates, lipids, aromatic compounds,
and amino acids, and act in redox sensing. Classical
SDRs have an TGXXX[AG]XG cofactor binding motif and a
YXXXK active site motif, with the Tyr residue of the
active site motif serving as a critical catalytic
residue (Tyr-151, human 15-hydroxyprostaglandin
dehydrogenase (15-PGDH) numbering). In addition to the
Tyr and Lys, there is often an upstream Ser (Ser-138,
15-PGDH numbering) and/or an Asn (Asn-107, 15-PGDH
numbering) contributing to the active site; while
substrate binding is in the C-terminal region, which
determines specificity. The standard reaction mechanism
is a 4-pro-S hydride transfer and proton relay involving
the conserved Tyr and Lys, a water molecule stabilized
by Asn, and nicotinamide. Extended SDRs have additional
elements in the C-terminal region, and typically have a
TGXXGXXG cofactor binding motif. Complex (multidomain)
SDRs such as ketoreductase domains of fatty acid
synthase have a GGXGXXG NAD(P)-binding motif and an
altered active site motif (YXXXN). Fungal type ketoacyl
reductases have a TGXXXGX(1-2)G NAD(P)-binding motif.
Some atypical SDRs have lost catalytic activity and/or
have an unusual NAD(P)-binding motif and missing or
unusual active site residues. Reactions catalyzed within
the SDR family include isomerization, decarboxylation,
epimerization, C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 252
Score = 79.3 bits (196), Expect = 8e-18
Identities = 48/209 (22%), Positives = 92/209 (44%), Gaps = 19/209 (9%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKV--- 79
G+G VE+L A ++ L + +++ + N + V VD+ +AA++
Sbjct: 13 GLGLATVERLLAQGAKVVILDLPNSPGETVAKLGDNCRFVPVDVTSEKDVKAALALAKAK 72
Query: 80 -GPVDVLINNAAVARFDRFLDIDEEN-----LIDSIFDVNIKAVINISQVVSKTMIDHKI 133
G +D+++N A +A + + + L + +VN+ N+ ++ + M ++
Sbjct: 73 FGRLDIVVNCAGIAVAAKTYNKKGQQPHSLELFQRVINVNLIGTFNVIRLAAGAMGKNEP 132
Query: 134 Q-----GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVV 188
G I+N +S+A G YSASK + +T +A +L P IRV ++ P +
Sbjct: 133 DQGGERGVIINTASVAAFEGQIGQAAYSASKGGIVGMTLPIARDLAPQGIRVVTIAPGLF 192
Query: 189 MTQMGRTGWSDPAKAGPMLAKT--PLGRF 215
T + G + + LAK R
Sbjct: 193 DTPLL-AGLPEKVRDF--LAKQVPFPSRL 218
>gnl|CDD|235726 PRK06181, PRK06181, short chain dehydrogenase; Provisional.
Length = 263
Score = 79.3 bits (196), Expect = 9e-18
Identities = 52/197 (26%), Positives = 91/197 (46%), Gaps = 17/197 (8%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPN----VQTVQVDLQD----WARTRA 74
GIGR + +L++ A ++ ++ + L SL Q + V D+ D A
Sbjct: 12 GIGRALAVRLARAGAQLVLAARNETRLASLAQELADHGGEALVVPTDVSDAEACERLIEA 71
Query: 75 AVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI- 133
AV++ G +D+L+NNA + + RF ++ + ++ + + VN + + + H
Sbjct: 72 AVARFGGIDILVNNAGITMWSRFDELTDLSVFERVMRVNYLG----AVYCTHAALPHLKA 127
Query: 134 -QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
+G IV VSS+AG T + + Y+ASK AL ++ +EL + V V P V T +
Sbjct: 128 SRGQIVVVSSLAGLTGVPTRSGYAASKHALHGFFDSLRIELADDGVAVTVVCPGFVATDI 187
Query: 193 GRTGWS---DPAKAGPM 206
+ P PM
Sbjct: 188 RKRALDGDGKPLGKSPM 204
>gnl|CDD|181605 PRK08993, PRK08993, 2-deoxy-D-gluconate 3-dehydrogenase; Validated.
Length = 253
Score = 79.1 bits (195), Expect = 9e-18
Identities = 43/141 (30%), Positives = 79/141 (56%), Gaps = 1/141 (0%)
Query: 75 AVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
AV++ G +D+L+NNA + R + ++ E++ D + ++NIK+V +SQ +K I
Sbjct: 79 AVAEFGHIDILVNNAGLIRREDAIEFSEKDW-DDVMNLNIKSVFFMSQAAAKHFIAQGNG 137
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGR 194
G I+N++S+ Y+ASK+ + +TR MA E +NI VN++ P + T +
Sbjct: 138 GKIINIASMLSFQGGIRVPSYTASKSGVMGVTRLMANEWAKHNINVNAIAPGYMATNNTQ 197
Query: 195 TGWSDPAKAGPMLAKTPLGRF 215
+D ++ +L + P GR+
Sbjct: 198 QLRADEQRSAEILDRIPAGRW 218
>gnl|CDD|180617 PRK06550, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 235
Score = 78.9 bits (195), Expect = 1e-17
Identities = 55/197 (27%), Positives = 82/197 (41%), Gaps = 14/197 (7%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKVGPV 82
GIG A + + K S N +Q+DL D V V
Sbjct: 16 GIGLAQARAFLAQGAQVYGVDKQDKPDLS-----GNFHFLQLDLSD--DLEPLFDWVPSV 68
Query: 83 DVLINNAAVARFDRF---LDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIVN 139
D+L N A + D + LD E IFD N+ + +++ M++ K G I+N
Sbjct: 69 DILCNTAGI--LDDYKPLLDTSLE-EWQHIFDTNLTSTFLLTRAYLPQMLERK-SGIIIN 124
Query: 140 VSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRTGWSD 199
+ SIA A G Y+ASK AL T+ +AL+ I+V + P V T M +
Sbjct: 125 MCSIASFVAGGGGAAYTASKHALAGFTKQLALDYAKDGIQVFGIAPGAVKTPMTAADFEP 184
Query: 200 PAKAGPMLAKTPLGRFA 216
A + +TP+ R+A
Sbjct: 185 GGLADWVARETPIKRWA 201
>gnl|CDD|187606 cd05348, BphB-like_SDR_c,
cis-biphenyl-2,3-dihydrodiol-2,3-dehydrogenase
(BphB)-like, classical (c) SDRs.
cis-biphenyl-2,3-dihydrodiol-2,3-dehydrogenase (BphB) is
a classical SDR, it is of particular importance for its
role in the degradation of biphenyl/polychlorinated
biphenyls(PCBs); PCBs are a significant source of
environmental contamination. This subgroup also includes
Pseudomonas putida F1
cis-biphenyl-1,2-dihydrodiol-1,2-dehydrogenase (aka
cis-benzene glycol dehydrogenase, encoded by the bnzE
gene), which participates in benzene metabolism. In
addition it includes Pseudomonas sp. C18 putative
1,2-dihydroxy-1,2-dihydronaphthalene dehydrogenase (aka
dibenzothiophene dihydrodiol dehydrogenase, encoded by
the doxE gene) which participates in an upper
naphthalene catabolic pathway. SDRs are a functionally
diverse family of oxidoreductases that have a single
domain with a structurally conserved Rossmann fold
(alpha/beta folding pattern with a central beta-sheet),
an NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Classical SDRs are typically about
250 residues long, while extended SDRs are approximately
350 residues. Sequence identity between different SDR
enzymes are typically in the 15-30% range, but the
enzymes share the Rossmann fold NAD-binding motif and
characteristic NAD-binding and catalytic sequence
patterns. These enzymes catalyze a wide range of
activities including the metabolism of steroids,
cofactors, carbohydrates, lipids, aromatic compounds,
and amino acids, and act in redox sensing. Classical
SDRs have an TGXXX[AG]XG cofactor binding motif and a
YXXXK active site motif, with the Tyr residue of the
active site motif serving as a critical catalytic
residue (Tyr-151, human 15-hydroxyprostaglandin
dehydrogenase (15-PGDH) numbering). In addition to the
Tyr and Lys, there is often an upstream Ser (Ser-138,
15-PGDH numbering) and/or an Asn (Asn-107, 15-PGDH
numbering) contributing to the active site; while
substrate binding is in the C-terminal region, which
determines specificity. The standard reaction mechanism
is a 4-pro-S hydride transfer and proton relay involving
the conserved Tyr and Lys, a water molecule stabilized
by Asn, and nicotinamide. Extended SDRs have additional
elements in the C-terminal region, and typically have a
TGXXGXXG cofactor binding motif. Complex (multidomain)
SDRs such as ketoreductase domains of fatty acid
synthase have a GGXGXXG NAD(P)-binding motif and an
altered active site motif (YXXXN). Fungal type ketoacyl
reductases have a TGXXXGX(1-2)G NAD(P)-binding motif.
Some atypical SDRs have lost catalytic activity and/or
have an unusual NAD(P)-binding motif and missing or
unusual active site residues. Reactions catalyzed within
the SDR family include isomerization, decarboxylation,
epimerization, C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 257
Score = 78.9 bits (195), Expect = 1e-17
Identities = 55/213 (25%), Positives = 94/213 (44%), Gaps = 24/213 (11%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAF-PNVQTVQVDLQDWARTRAAVSKV-- 79
G+GR +VE+ A + L ++ + L+ F V V+ D++ A AV++
Sbjct: 15 GLGRALVERFVAEGAKVAVLDRSAEKVAELRADFGDAVVGVEGDVRSLADNERAVARCVE 74
Query: 80 --GPVDVLINNAAVARFDRFLDIDE------ENLIDSIFDVNIKAVINISQVVSKTMIDH 131
G +D I NA + +D + + + D +F +N+K I ++ +
Sbjct: 75 RFGKLDCFIGNAGI--WDYSTSLVDIPEEKLDEAFDELFHINVKGYILGAKAALPALY-- 130
Query: 132 KIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQ 191
+GS++ S AG G +Y+ASK A+ + + +A EL P+ IRVN V P ++T
Sbjct: 131 ATEGSVIFTVSNAGFYPGGGGPLYTASKHAVVGLVKQLAYELAPH-IRVNGVAPGGMVTD 189
Query: 192 --------MGRTGWSDPAKAGPMLAKTPLGRFA 216
G T S P + + PLG
Sbjct: 190 LRGPASLGQGETSISTPPLDDMLKSILPLGFAP 222
>gnl|CDD|181518 PRK08643, PRK08643, acetoin reductase; Validated.
Length = 256
Score = 79.0 bits (195), Expect = 1e-17
Identities = 52/178 (29%), Positives = 81/178 (45%), Gaps = 9/178 (5%)
Query: 23 GIGRCIVEKLSQHE-AIIIA---LSKTQANLDSLKQAFPNVQTVQVDLQD----WARTRA 74
GIG I ++L + + I QA D L + V+ D+ D +A R
Sbjct: 13 GIGFAIAKRLVEDGFKVAIVDYNEETAQAAADKLSKDGGKAIAVKADVSDRDQVFAAVRQ 72
Query: 75 AVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
V G ++V++NNA VA I EE D ++++N+ VI Q +
Sbjct: 73 VVDTFGDLNVVVNNAGVAPTTPIETITEE-QFDKVYNINVGGVIWGIQAAQEAFKKLGHG 131
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
G I+N +S AG +YS++K A+ +T+T A +L I VN+ P +V T M
Sbjct: 132 GKIINATSQAGVVGNPELAVYSSTKFAVRGLTQTAARDLASEGITVNAYAPGIVKTPM 189
>gnl|CDD|187623 cd05365, 7_alpha_HSDH_SDR_c, 7 alpha-hydroxysteroid dehydrogenase
(7 alpha-HSDH), classical (c) SDRs. This bacterial
subgroup contains 7 alpha-HSDHs, including Escherichia
coli 7 alpha-HSDH. 7 alpha-HSDH, a member of the SDR
family, catalyzes the NAD+ -dependent dehydrogenation of
a hydroxyl group at position 7 of the steroid skeleton
of bile acids. In humans the two primary bile acids are
cholic and chenodeoxycholic acids, these are formed from
cholesterol in the liver. Escherichia coli 7 alpha-HSDH
dehydroxylates these bile acids in the human intestine.
Mammalian 7 alpha-HSDH activity has been found in
livers. SDRs are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet), an NAD(P)(H)-binding
region, and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRS are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD-binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes have a 3-glycine N-terminal NAD(P)(H)-binding
pattern (typically, TGxxxGxG in classical SDRs and
TGxxGxxG in extended SDRs), while substrate binding is
in the C-terminal region. A critical catalytic Tyr
residue (Tyr-151, human 15-hydroxyprostaglandin
dehydrogenase (15-PGDH) numbering), is often found in a
conserved YXXXK pattern. In addition to the Tyr and Lys,
there is often an upstream Ser (Ser-138, 15-PGDH
numbering) and/or an Asn (Asn-107, 15-PGDH numbering) or
additional Ser, contributing to the active site.
Substrates for these enzymes include sugars, steroids,
alcohols, and aromatic compounds. The standard reaction
mechanism is a proton relay involving the conserved Tyr
and Lys, as well as Asn (or Ser). Some SDR family
members, including 17 beta-hydroxysteroid dehydrogenase
contain an additional helix-turn-helix motif that is not
generally found among SDRs.
Length = 242
Score = 78.8 bits (194), Expect = 1e-17
Identities = 62/201 (30%), Positives = 104/201 (51%), Gaps = 12/201 (5%)
Query: 23 GIGRCIVEKLSQHEA-IIIALSKT---QANLDSLKQAFPNVQTVQVD---LQDWAR-TRA 74
GIG+ I L++ A ++IA K+ +A +++QA ++ + QD +A
Sbjct: 10 GIGKAIAGTLAKAGASVVIADLKSEGAEAVAAAIQQAGGQAIGLECNVTSEQDLEAVVKA 69
Query: 75 AVSKVGPVDVLINNAAVARFDRF-LDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
VS+ G + +L+NNA F + + EE+ F +N+ + +SQ+ + M
Sbjct: 70 TVSQFGGITILVNNAGGGGPKPFDMPMTEEDFE-WAFKLNLFSAFRLSQLCAPHMQKAG- 127
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
G+I+N+SS++ + Y +SKAA++ +TR +A +LGP IRVN+V P V T
Sbjct: 128 GGAILNISSMSSENKNVRIAAYGSSKAAVNHMTRNLAFDLGPKGIRVNAVAPGAVKTDAL 187
Query: 194 RTGWSDPAKAGPMLAKTPLGR 214
+ + P ML TPLGR
Sbjct: 188 ASVLT-PEIERAMLKHTPLGR 207
>gnl|CDD|171531 PRK12481, PRK12481, 2-deoxy-D-gluconate 3-dehydrogenase;
Provisional.
Length = 251
Score = 78.8 bits (194), Expect = 1e-17
Identities = 58/215 (26%), Positives = 104/215 (48%), Gaps = 19/215 (8%)
Query: 23 GIGRCIVEKLSQHEAIIIALS-----KTQANLDSLKQAFPNVQTVQVDLQDWARTRA-AV 76
G+G+ + L++ A I+ + +TQA +++L + F + + +D + AV
Sbjct: 19 GLGQGMAIGLAKAGADIVGVGVAEAPETQAQVEALGRKFHFITADLIQQKDIDSIVSQAV 78
Query: 77 SKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGS 136
+G +D+LINNA + R L+ ++ D + ++N K V +SQ V+K + G
Sbjct: 79 EVMGHIDILINNAGIIRRQDLLEFGNKDW-DDVININQKTVFFLSQAVAKQFVKQGNGGK 137
Query: 137 IVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRTG 196
I+N++S+ Y+ASK+A+ +TR +A EL YNI VN++ P + T
Sbjct: 138 IINIASMLSFQGGIRVPSYTASKSAVMGLTRALATELSQYNINVNAIAPGYMATDNTAAL 197
Query: 197 WSDPAKAGPMLAKTPLGRFAGKLKPKPWNRWLLPS 231
+D A+ +L + P +RW P
Sbjct: 198 RADTARNEAILERIPA------------SRWGTPD 220
>gnl|CDD|212497 cd11731, Lin1944_like_SDR_c, Lin1944 and related proteins,
classical (c) SDRs. Lin1944 protein from Listeria
Innocua is a classical SDR, it contains a glycine-rich
motif similar to the canonical motif of the SDR
NAD(P)-binding site. However, the typical SDR active
site residues are absent in this subgroup of proteins of
undetermined function. SDRs are a functionally diverse
family of oxidoreductases that have a single domain with
a structurally conserved Rossmann fold (alpha/beta
folding pattern with a central beta-sheet), an
NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Classical SDRs are typically about
250 residues long, while extended SDRs are approximately
350 residues. Sequence identity between different SDR
enzymes are typically in the 15-30% range, but the
enzymes share the Rossmann fold NAD-binding motif and
characteristic NAD-binding and catalytic sequence
patterns. These enzymes catalyze a wide range of
activities including the metabolism of steroids,
cofactors, carbohydrates, lipids, aromatic compounds,
and amino acids, and act in redox sensing. Classical
SDRs have an TGXXX[AG]XG cofactor binding motif and a
YXXXK active site motif, with the Tyr residue of the
active site motif serving as a critical catalytic
residue (Tyr-151, human prostaglandin dehydrogenase
(PGDH) numbering). In addition to the Tyr and Lys, there
is often an upstream Ser (Ser-138, PGDH numbering)
and/or an Asn (Asn-107, PGDH numbering) contributing to
the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 198
Score = 77.2 bits (191), Expect = 2e-17
Identities = 43/172 (25%), Positives = 70/172 (40%), Gaps = 22/172 (12%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKVGPV 82
IG + + LS H +I ++ QVD+ D A +A KVG
Sbjct: 9 TIGLAVAQLLSAHGHEVITAGRSSG-------------DYQVDITDEASIKALFEKVGHF 55
Query: 83 DVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAV--INISQVVSKTMIDHKIQGSIVNV 140
D +++ A A F ++ + + + K + IN+ + + D GSI
Sbjct: 56 DAIVSTAGDAEFAPLAELTDADFQRGLNS---KLLGQINLVRHGLPYLNDG---GSITLT 109
Query: 141 SSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
S I + + G + AL+ R A+EL P IR+N+V P VV +
Sbjct: 110 SGILAQRPIPGGAAAATVNGALEGFVRAAAIEL-PRGIRINAVSPGVVEESL 160
>gnl|CDD|187601 cd05343, Mgc4172-like_SDR_c, human Mgc4172-like, classical (c)
SDRs. Human Mgc4172-like proteins, putative SDRs. These
proteins are members of the SDR family, with a canonical
active site tetrad and a typical Gly-rich NAD-binding
motif. SDRs are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet), an NAD(P)(H)-binding
region, and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRs are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD-binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes catalyze a wide range of activities including
the metabolism of steroids, cofactors, carbohydrates,
lipids, aromatic compounds, and amino acids, and act in
redox sensing. Classical SDRs have an TGXXX[AG]XG
cofactor binding motif and a YXXXK active site motif,
with the Tyr residue of the active site motif serving as
a critical catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 250
Score = 78.3 bits (193), Expect = 2e-17
Identities = 55/215 (25%), Positives = 98/215 (45%), Gaps = 22/215 (10%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSL-----KQAFPNVQTVQVDLQDWARTRAAVS 77
GIG + L QH ++ ++ +++L +P + Q DL + + + S
Sbjct: 17 GIGAAVARALVQHGMKVVGCARRVDKIEALAAECQSAGYPTLFPYQCDLSNEEQILSMFS 76
Query: 78 KV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
+ VDV INNA +AR + L E +FDVN+ A+ ++ ++M + +
Sbjct: 77 AIRTQHQGVDVCINNAGLARPEPLLSGKTEG-WKEMFDVNVLALSICTREAYQSMKERNV 135
Query: 134 -QGSIVNVSSIAGKTALEGHT--IYSASKAALDSITRTMALEL--GPYNIRVNSVQPTVV 188
G I+N++S++G Y+A+K A+ ++T + EL +IR S+ P +V
Sbjct: 136 DDGHIININSMSGHRVPPVSVFHFYAATKHAVTALTEGLRQELREAKTHIRATSISPGLV 195
Query: 189 MTQMG-RTGWSDPAKAGPMLAKTPLGRFAGKLKPK 222
T+ + +DP KA P LKP+
Sbjct: 196 ETEFAFKLHDNDPEKAAATYESIP------CLKPE 224
>gnl|CDD|181077 PRK07677, PRK07677, short chain dehydrogenase; Provisional.
Length = 252
Score = 78.2 bits (193), Expect = 2e-17
Identities = 66/219 (30%), Positives = 106/219 (48%), Gaps = 43/219 (19%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQ---AFP-NVQTVQVDLQDWARTRAAV-- 76
G+G+ + ++ ++ A ++ +T+ L+ K FP V TVQ+D+++ + V
Sbjct: 12 GMGKAMAKRFAEEGANVVITGRTKEKLEEAKLEIEQFPGQVLTVQMDVRNPEDVQKMVEQ 71
Query: 77 --SKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNI---KAVINI--------SQV 123
K G +D LINNAA N I D+++ +VI+I SQ
Sbjct: 72 IDEKFGRIDALINNAA------------GNFICPAEDLSVNGWNSVIDIVLNGTFYCSQA 119
Query: 124 VSKTMIDHKIQGSIVNVSSIAGKTALEGHTIYSAS-KAALDSITRTMALELG-PYNIRVN 181
V K I+ I+G+I+N+ + A G I+SA+ KA + ++TRT+A+E G Y IRVN
Sbjct: 120 VGKYWIEKGIKGNIINMVATYAWDAGPG-VIHSAAAKAGVLAMTRTLAVEWGRKYGIRVN 178
Query: 182 SVQPTVVMTQMGRTG-----WSDPAKAGPMLAKTPLGRF 215
++ P + RTG W A + PLGR
Sbjct: 179 AIAPGPI----ERTGGADKLWESEEAAKRTIQSVPLGRL 213
>gnl|CDD|237189 PRK12748, PRK12748, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 256
Score = 77.8 bits (192), Expect = 3e-17
Identities = 43/141 (30%), Positives = 70/141 (49%), Gaps = 7/141 (4%)
Query: 74 AAVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
A ++G +LINNAA + R ++ E L D + VN++A + +S +K D K
Sbjct: 88 AVSERLGDPSILINNAAYSTHTRLEELTAEQL-DKHYAVNVRATMLLSSAFAKQY-DGKA 145
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
G I+N++S + Y+A+K A+++ T+++A EL I VN+V P
Sbjct: 146 GGRIINLTSGQSLGPMPDELAYAATKGAIEAFTKSLAPELAEKGITVNAVNPGPT----- 200
Query: 194 RTGWSDPAKAGPMLAKTPLGR 214
TGW ++ K P GR
Sbjct: 201 DTGWITEELKHHLVPKFPQGR 221
>gnl|CDD|180753 PRK06924, PRK06924, short chain dehydrogenase; Provisional.
Length = 251
Score = 77.4 bits (191), Expect = 4e-17
Identities = 49/183 (26%), Positives = 85/183 (46%), Gaps = 14/183 (7%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKT--QANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKV- 79
G+G I +L + +I++S+T + +Q N+ +DLQD +++
Sbjct: 12 GLGEAIANQLLEKGTHVISISRTENKELTKLAEQYNSNLTFHSLDLQDVHELETNFNEIL 71
Query: 80 GPVDV-------LINNAA-VARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDH 131
+ LINNA VA + E LI ++ +N+ A + ++ K D
Sbjct: 72 SSIQEDNVSSIHLINNAGMVAPIKPIEKAESEELITNV-HLNLLAPMILTSTFMKHTKDW 130
Query: 132 KIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALE--LGPYNIRVNSVQPTVVM 189
K+ ++N+SS A K G + Y +SKA LD T+T+A E Y +++ + P V+
Sbjct: 131 KVDKRVINISSGAAKNPYFGWSAYCSSKAGLDMFTQTVATEQEEEEYPVKIVAFSPGVMD 190
Query: 190 TQM 192
T M
Sbjct: 191 TNM 193
>gnl|CDD|226476 COG3967, DltE, Short-chain dehydrogenase involved in D-alanine
esterification of lipoteichoic acid and wall teichoic
acid (D-alanine transfer protein) [Cell envelope
biogenesis, outer membrane].
Length = 245
Score = 77.1 bits (190), Expect = 5e-17
Identities = 42/180 (23%), Positives = 80/180 (44%), Gaps = 8/180 (4%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKV--- 79
GIG + ++ + +I + + L K P + T D+ D R V +
Sbjct: 16 GIGLALAKRFLELGNTVIICGRNEERLAEAKAENPEIHTEVCDVADRDSRRELVEWLKKE 75
Query: 80 -GPVDVLINNAAVARFDRFLDIDE--ENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGS 136
++VLINNA + R + ++ ++ I N+ A I ++ ++ ++ + +
Sbjct: 76 YPNLNVLINNAGIQRNEDLTGAEDLLDDAEQEI-ATNLLAPIRLTALLLPHLLRQP-EAT 133
Query: 137 IVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRTG 196
I+NVSS + +Y A+KAA+ S T + +L ++ V + P +V T G T
Sbjct: 134 IINVSSGLAFVPMASTPVYCATKAAIHSYTLALREQLKDTSVEVIELAPPLVDTTEGNTQ 193
>gnl|CDD|177895 PLN02253, PLN02253, xanthoxin dehydrogenase.
Length = 280
Score = 77.6 bits (191), Expect = 5e-17
Identities = 62/181 (34%), Positives = 90/181 (49%), Gaps = 15/181 (8%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANL-----DSLKQAFPNVQTVQVDL---QDWART-R 73
GIG IV +H A + + Q +L DSL PNV D+ D +R
Sbjct: 29 GIGESIVRLFHKHGAKV-CIVDLQDDLGQNVCDSLGGE-PNVCFFHCDVTVEDDVSRAVD 86
Query: 74 AAVSKVGPVDVLINNAAVARFDRFLDIDEENLID--SIFDVNIKAVINISQVVSKTMIDH 131
V K G +D+++NNA + DI L + +FDVN+K V + ++ MI
Sbjct: 87 FTVDKFGTLDIMVNNAGLTG-PPCPDIRNVELSEFEKVFDVNVKGVFLGMKHAARIMIPL 145
Query: 132 KIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQ 191
K +GSIV++ S+A G Y+ SK A+ +TR++A ELG + IRVN V P V T
Sbjct: 146 K-KGSIVSLCSVASAIGGLGPHAYTGSKHAVLGLTRSVAAELGKHGIRVNCVSPYAVPTA 204
Query: 192 M 192
+
Sbjct: 205 L 205
>gnl|CDD|181334 PRK08263, PRK08263, short chain dehydrogenase; Provisional.
Length = 275
Score = 77.4 bits (191), Expect = 5e-17
Identities = 46/170 (27%), Positives = 80/170 (47%), Gaps = 11/170 (6%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFP-NVQTVQVDLQDWARTRAAVSK--- 78
G GR E + ++A ++ A L L + + + + +D+ D A AAV
Sbjct: 14 GFGRAWTEAALERGDRVVATARDTATLADLAEKYGDRLLPLALDVTDRAAVFAAVETAVE 73
Query: 79 -VGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGS- 136
G +D+++NNA F ++ E + D N + ++Q V + + Q S
Sbjct: 74 HFGRLDIVVNNAGYGLFGMIEEVTESE-ARAQIDTNFFGALWVTQAVLPYL---REQRSG 129
Query: 137 -IVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQP 185
I+ +SSI G +A IY ASK AL+ ++ +A E+ + I+V V+P
Sbjct: 130 HIIQISSIGGISAFPMSGIYHASKWALEGMSEALAQEVAEFGIKVTLVEP 179
>gnl|CDD|187649 cd08945, PKR_SDR_c, Polyketide ketoreductase, classical (c) SDR.
Polyketide ketoreductase (KR) is a classical SDR with a
characteristic NAD-binding pattern and active site
tetrad. Aromatic polyketides include various aromatic
compounds of pharmaceutical interest. Polyketide KR,
part of the type II polyketide synthase (PKS) complex,
is comprised of stand-alone domains that resemble the
domains found in fatty acid synthase and multidomain
type I PKS. SDRs are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet), an NAD(P)(H)-binding
region, and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRS are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD-binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes have a 3-glycine N-terminal NAD(P)(H)-binding
pattern (typically, TGxxxGxG in classical SDRs and
TGxxGxxG in extended SDRs), while substrate binding is
in the C-terminal region. A critical catalytic Tyr
residue (Tyr-151, human 15-hydroxyprostaglandin
dehydrogenase (15-PGDH) numbering), is often found in a
conserved YXXXK pattern. In addition to the Tyr and Lys,
there is often an upstream Ser (Ser-138, 15-PGDH
numbering) and/or an Asn (Asn-107, 15-PGDH numbering) or
additional Ser, contributing to the active site.
Substrates for these enzymes include sugars, steroids,
alcohols, and aromatic compounds. The standard reaction
mechanism is a proton relay involving the conserved Tyr
and Lys, as well as Asn (or Ser). Some SDR family
members, including 17 beta-hydroxysteroid dehydrogenase
contain an additional helix-turn-helix motif that is not
generally found among SDRs.
Length = 258
Score = 77.2 bits (190), Expect = 6e-17
Identities = 55/211 (26%), Positives = 94/211 (44%), Gaps = 19/211 (9%)
Query: 23 GIGRCIVEKLSQ--HEAIIIALS--KTQANLDSLKQAFPNVQTVQVDLQDWARTRA---- 74
GIG I +L + + A + L++A D++ A
Sbjct: 14 GIGLAIARRLGKEGLRVFVCARGEEGLATTVKELREAGVEADGRTCDVRSVPEIEALVAA 73
Query: 75 AVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINIS-QVVSKTMIDHKI 133
AV++ GP+DVL+NNA + ++ +E L + + N+ V ++ +V+ + +
Sbjct: 74 AVARYGPIDVLVNNAGRSGGGATAELADE-LWLDVVETNLTGVFRVTKEVLKAGGMLERG 132
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
G I+N++S GK + YSASK + T+ + LEL I VN+V P V T M
Sbjct: 133 TGRIINIASTGGKQGVVHAAPYSASKHGVVGFTKALGLELARTGITVNAVCPGFVETPMA 192
Query: 194 ---RTGWSDPAKAGP------MLAKTPLGRF 215
R ++D + + A+ PLGR+
Sbjct: 193 ASVREHYADIWEVSTEEAFDRITARVPLGRY 223
>gnl|CDD|181762 PRK09291, PRK09291, short chain dehydrogenase; Provisional.
Length = 257
Score = 76.6 bits (189), Expect = 8e-17
Identities = 46/143 (32%), Positives = 69/143 (48%), Gaps = 12/143 (8%)
Query: 82 VDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIVNVS 141
VDVL+NNA + +DI E + + F+ N+ + ++Q + M+ +G +V S
Sbjct: 74 VDVLLNNAGIGEAGAVVDIPVELVREL-FETNVFGPLELTQGFVRKMVARG-KGKVVFTS 131
Query: 142 SIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRTG----- 196
S+AG Y ASK AL++I M EL P+ I+V +V P +T T
Sbjct: 132 SMAGLITGPFTGAYCASKHALEAIAEAMHAELKPFGIQVATVNPGPYLTGFNDTMAETPK 191
Query: 197 -WSDPAKA---GPMLAKTPLGRF 215
W DPA+ LA PL +F
Sbjct: 192 RWYDPARNFTDPEDLA-FPLEQF 213
>gnl|CDD|171820 PRK12936, PRK12936, 3-ketoacyl-(acyl-carrier-protein) reductase
NodG; Reviewed.
Length = 245
Score = 76.1 bits (187), Expect = 1e-16
Identities = 54/198 (27%), Positives = 99/198 (50%), Gaps = 11/198 (5%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQA-NLDSLKQAFPN-VQTVQVDLQDWARTRA----AV 76
GIG I L AI+ L T+ L++L V+ +L D +A A
Sbjct: 17 GIGEEIARLLHAQGAIV-GLHGTRVEKLEALAAELGERVKIFPANLSDRDEVKALGQKAE 75
Query: 77 SKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGS 136
+ + VD+L+NNA + + F+ + +E+ DS+ +VN+ A +++ ++ M+ + G
Sbjct: 76 ADLEGVDILVNNAGITKDGLFVRMSDEDW-DSVLEVNLTATFRLTRELTHPMMRRR-YGR 133
Query: 137 IVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRTG 196
I+N++S+ G T G Y ASKA + ++++A E+ N+ VN V P + + M TG
Sbjct: 134 IINITSVVGVTGNPGQANYCASKAGMIGFSKSLAQEIATRNVTVNCVAPGFIESAM--TG 191
Query: 197 WSDPAKAGPMLAKTPLGR 214
+ + ++ P+ R
Sbjct: 192 KLNDKQKEAIMGAIPMKR 209
>gnl|CDD|181585 PRK08936, PRK08936, glucose-1-dehydrogenase; Provisional.
Length = 261
Score = 75.9 bits (187), Expect = 2e-16
Identities = 48/201 (23%), Positives = 98/201 (48%), Gaps = 10/201 (4%)
Query: 23 GIGRCIVEKLSQHEA-IIIALSKTQAN----LDSLKQAFPNVQTVQVDLQDWART----R 73
G+GR + + + +A ++I + + +K+A V+ D+ + +
Sbjct: 18 GLGRAMAVRFGKEKAKVVINYRSDEEEANDVAEEIKKAGGEAIAVKGDVTVESDVVNLIQ 77
Query: 74 AAVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
AV + G +DV+INNA + ++ E+ + + + N+ S+ K ++H I
Sbjct: 78 TAVKEFGTLDVMINNAGIENAVPSHEMSLEDW-NKVINTNLTGAFLGSREAIKYFVEHDI 136
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
+G+I+N+SS+ + Y+ASK + +T T+A+E P IRVN++ P + T +
Sbjct: 137 KGNIINMSSVHEQIPWPLFVHYAASKGGVKLMTETLAMEYAPKGIRVNNIGPGAINTPIN 196
Query: 194 RTGWSDPAKAGPMLAKTPLGR 214
++DP + + + P+G
Sbjct: 197 AEKFADPKQRADVESMIPMGY 217
>gnl|CDD|235933 PRK07097, PRK07097, gluconate 5-dehydrogenase; Provisional.
Length = 265
Score = 75.9 bits (187), Expect = 2e-16
Identities = 57/207 (27%), Positives = 97/207 (46%), Gaps = 18/207 (8%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFP----NVQTVQVDLQDWARTRAAVSK 78
GIG I + ++ A I+ Q +D A+ D+ D +A VS+
Sbjct: 21 GIGFAIAKAYAKAGATIVFNDINQELVDKGLAAYRELGIEAHGYVCDVTDEDGVQAMVSQ 80
Query: 79 ----VGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
VG +D+L+NNA + + L++ E+ I D+++ A +S+ V +MI K
Sbjct: 81 IEKEVGVIDILVNNAGIIKRIPMLEMSAEDFRQVI-DIDLNAPFIVSKAVIPSMIK-KGH 138
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG- 193
G I+N+ S+ + E + Y+A+K L +T+ +A E G NI+ N + P + T
Sbjct: 139 GKIINICSMMSELGRETVSAYAAAKGGLKMLTKNIASEYGEANIQCNGIGPGYIATPQTA 198
Query: 194 --RTGWSDPAKAGPM----LAKTPLGR 214
R +D ++ P +AKTP R
Sbjct: 199 PLRELQADGSR-HPFDQFIIAKTPAAR 224
>gnl|CDD|180771 PRK06947, PRK06947, glucose-1-dehydrogenase; Provisional.
Length = 248
Score = 75.6 bits (186), Expect = 2e-16
Identities = 51/145 (35%), Positives = 82/145 (56%), Gaps = 6/145 (4%)
Query: 74 AAVSKVGPVDVLINNAA-VARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHK 132
A S G +D L+NNA VA D+D L +FD N+ ++ ++ + +
Sbjct: 73 AVQSAFGRLDALVNNAGIVAPSMPLADMDAARL-RRMFDTNVLGAYLCAREAARRLSTDR 131
Query: 133 --IQGSIVNVSSIAGKTALEGHTI-YSASKAALDSITRTMALELGPYNIRVNSVQPTVVM 189
G+IVNVSSIA + + Y+ SK A+D++T +A ELGP+ +RVN+V+P ++
Sbjct: 132 GGRGGAIVNVSSIASRLGSPNEYVDYAGSKGAVDTLTLGLAKELGPHGVRVNAVRPGLIE 191
Query: 190 TQMGRTGWSDPAKAGPMLAKTPLGR 214
T++ +G P +A + A+TPLGR
Sbjct: 192 TEIHASG-GQPGRAARLGAQTPLGR 215
>gnl|CDD|183797 PRK12859, PRK12859, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 256
Score = 75.6 bits (186), Expect = 2e-16
Identities = 43/150 (28%), Positives = 77/150 (51%), Gaps = 12/150 (8%)
Query: 74 AAVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
++G +L+NNAA + + F ++ E +D + VN++A +S ++ D K
Sbjct: 89 KVTEQLGYPHILVNNAAYSTNNDFSNLTAE-ELDKHYMVNVRATTLLSSQFAR-GFDKKS 146
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
G I+N++S + + G Y+A+K A+D++T ++A E+ I VN++ P
Sbjct: 147 GGRIINMTSGQFQGPMVGELAYAATKGAIDALTSSLAAEVAHLGITVNAINPGPT----- 201
Query: 194 RTGW-SDPAKAGPMLAKTPLGRFAGKLKPK 222
TGW ++ K G +L P GR +PK
Sbjct: 202 DTGWMTEEIKQG-LLPMFPFGRIG---EPK 227
>gnl|CDD|187646 cd08942, RhlG_SDR_c, RhlG and related beta-ketoacyl reductases,
classical (c) SDRs. Pseudomonas aeruginosa RhlG is an
SDR-family beta-ketoacyl reductase involved in
Rhamnolipid biosynthesis. RhlG is similar to but
distinct from the FabG family of beta-ketoacyl-acyl
carrier protein (ACP) of type II fatty acid synthesis.
RhlG and related proteins are classical SDRs, with a
canonical active site tetrad and glycine-rich
NAD(P)-binding motif. SDRs are a functionally diverse
family of oxidoreductases that have a single domain with
a structurally conserved Rossmann fold (alpha/beta
folding pattern with a central beta-sheet), an
NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Classical SDRs are typically about
250 residues long, while extended SDRs are approximately
350 residues. Sequence identity between different SDR
enzymes are typically in the 15-30% range, but the
enzymes share the Rossmann fold NAD-binding motif and
characteristic NAD-binding and catalytic sequence
patterns. These enzymes catalyze a wide range of
activities including the metabolism of steroids,
cofactors, carbohydrates, lipids, aromatic compounds,
and amino acids, and act in redox sensing. Classical
SDRs have an TGXXX[AG]XG cofactor binding motif and a
YXXXK active site motif, with the Tyr residue of the
active site motif serving as a critical catalytic
residue (Tyr-151, human 15-hydroxyprostaglandin
dehydrogenase (15-PGDH) numbering). In addition to the
Tyr and Lys, there is often an upstream Ser (Ser-138,
15-PGDH numbering) and/or an Asn (Asn-107, 15-PGDH
numbering) contributing to the active site; while
substrate binding is in the C-terminal region, which
determines specificity. The standard reaction mechanism
is a 4-pro-S hydride transfer and proton relay involving
the conserved Tyr and Lys, a water molecule stabilized
by Asn, and nicotinamide. Extended SDRs have additional
elements in the C-terminal region, and typically have a
TGXXGXXG cofactor binding motif. Complex (multidomain)
SDRs such as ketoreductase domains of fatty acid
synthase have a GGXGXXG NAD(P)-binding motif and an
altered active site motif (YXXXN). Fungal type ketoacyl
reductases have a TGXXXGX(1-2)G NAD(P)-binding motif.
Some atypical SDRs have lost catalytic activity and/or
have an unusual NAD(P)-binding motif and missing or
unusual active site residues. Reactions catalyzed within
the SDR family include isomerization, decarboxylation,
epimerization, C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 250
Score = 75.6 bits (186), Expect = 2e-16
Identities = 62/207 (29%), Positives = 100/207 (48%), Gaps = 20/207 (9%)
Query: 23 GIGRCIVEKLSQHEA-IIIALSKTQANLDSLKQ--AFPNVQTVQVDLQDWARTRAAVSKV 79
GIGR I + + A +II+ K +A D+ ++ A+ + DL A V++V
Sbjct: 17 GIGRMIAQGFLEAGARVIISARKAEACADAAEELSAYGECIAIPADLSSEEGIEALVARV 76
Query: 80 GPV----DVLINNAAV---ARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHK 132
DVL+NNA A + F E+ D + D+N+K+V ++Q + +
Sbjct: 77 AERSDRLDVLVNNAGATWGAPLEAF----PESGWDKVMDINVKSVFFLTQALLPLLRAAA 132
Query: 133 IQG---SIVNVSSIAG--KTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTV 187
++N+ SIAG + LE ++ Y ASKAA+ +TR +A EL +I VN++ P
Sbjct: 133 TAENPARVINIGSIAGIVVSGLENYS-YGASKAAVHQLTRKLAKELAGEHITVNAIAPGR 191
Query: 188 VMTQMGRTGWSDPAKAGPMLAKTPLGR 214
++M +DPA PLGR
Sbjct: 192 FPSKMTAFLLNDPAALEAEEKSIPLGR 218
>gnl|CDD|180604 PRK06523, PRK06523, short chain dehydrogenase; Provisional.
Length = 260
Score = 75.3 bits (186), Expect = 2e-16
Identities = 56/215 (26%), Positives = 98/215 (45%), Gaps = 30/215 (13%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQD----WARTRAAVSK 78
GIG V +L + A ++ ++++ V+ V DL A RA + +
Sbjct: 20 GIGAATVARLLEAGARVVTTARSR-----PDDLPEGVEFVAADLTTAEGCAAVARAVLER 74
Query: 79 VGPVDVLINNA--AVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGS 136
+G VD+L++ + A F + +E D ++N+ A + + + + MI G
Sbjct: 75 LGGVDILVHVLGGSSAPAGGFAALTDEEWQDE-LNLNLLAAVRLDRALLPGMIARG-SGV 132
Query: 137 IVNVSSIAGKTALEGHTI-YSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT----- 190
I++V+SI + L T Y+A+KAAL + +++++ E+ P +RVN+V P + T
Sbjct: 133 IIHVTSIQRRLPLPESTTAYAAAKAALSTYSKSLSKEVAPKGVRVNTVSPGWIETEAAVA 192
Query: 191 -------QMGRTGWSDPAKAGPM--LAKTPLGRFA 216
G + AK M L PLGR A
Sbjct: 193 LAERLAEAAGTD--YEGAKQIIMDSLGGIPLGRPA 225
>gnl|CDD|187613 cd05355, SDR_c1, classical (c) SDR, subgroup 1. These proteins are
members of the classical SDR family, with a canonical
active site tetrad and a typical Gly-rich NAD-binding
motif. SDRs are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet), an NAD(P)(H)-binding
region, and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRs are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD-binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes catalyze a wide range of activities including
the metabolism of steroids, cofactors, carbohydrates,
lipids, aromatic compounds, and amino acids, and act in
redox sensing. Classical SDRs have an TGXXX[AG]XG
cofactor binding motif and a YXXXK active site motif,
with the Tyr residue of the active site motif serving as
a critical catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 270
Score = 75.4 bits (186), Expect = 2e-16
Identities = 42/145 (28%), Positives = 71/145 (48%), Gaps = 14/145 (9%)
Query: 75 AVSKVGPVDVLINNAA--VARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHK 132
V + G +D+L+NNAA + DI E L + F NI ++ +++ + K
Sbjct: 99 VVKEFGKLDILVNNAAYQHPQES-IEDITTEQL-EKTFRTNIFSMFYLTKAALPHL---K 153
Query: 133 IQGSIVNVSSIAGKTALEGHTI---YSASKAALDSITRTMALELGPYNIRVNSVQPTVVM 189
SI+N +S+ TA +G Y+A+K A+ + TR ++L+L IRVN+V P +
Sbjct: 154 KGSSIINTTSV---TAYKGSPHLLDYAATKGAIVAFTRGLSLQLAEKGIRVNAVAPGPIW 210
Query: 190 TQMGRTGWSDPAKAGPMLAKTPLGR 214
T + K ++ P+GR
Sbjct: 211 TPL-IPSSFPEEKVSEFGSQVPMGR 234
>gnl|CDD|235794 PRK06398, PRK06398, aldose dehydrogenase; Validated.
Length = 258
Score = 75.3 bits (185), Expect = 3e-16
Identities = 43/174 (24%), Positives = 86/174 (49%), Gaps = 14/174 (8%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAV----SK 78
GIG+ +V +L + + +I N D + ++ +V +VD+ + + + SK
Sbjct: 17 GIGKAVVNRLKEEGSNVI-------NFDIKEPSYNDVDYFKVDVSNKEQVIKGIDYVISK 69
Query: 79 VGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIV 138
G +D+L+NNA + + ++E+ D I +VN+ + +S+ M+ +G I+
Sbjct: 70 YGRIDILVNNAGIESYGAIHAVEEDEW-DRIINVNVNGIFLMSKYTIPYMLKQD-KGVII 127
Query: 139 NVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
N++S+ Y SK A+ +TR++A++ P IR +V P + T +
Sbjct: 128 NIASVQSFAVTRNAAAYVTSKHAVLGLTRSIAVDYAP-TIRCVAVCPGSIRTPL 180
>gnl|CDD|187648 cd08944, SDR_c12, classical (c) SDR, subgroup 12. These are
classical SDRs, with the canonical active site tetrad
and glycine-rich NAD-binding motif. SDRs are a
functionally diverse family of oxidoreductases that have
a single domain with a structurally conserved Rossmann
fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRs are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes catalyze a
wide range of activities including the metabolism of
steroids, cofactors, carbohydrates, lipids, aromatic
compounds, and amino acids, and act in redox sensing.
Classical SDRs have an TGXXX[AG]XG cofactor binding
motif and a YXXXK active site motif, with the Tyr
residue of the active site motif serving as a critical
catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 246
Score = 74.4 bits (183), Expect = 5e-16
Identities = 42/123 (34%), Positives = 65/123 (52%), Gaps = 3/123 (2%)
Query: 74 AAVSKVGPVDVLINNAAVARFD-RFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHK 132
AV + G +D+L+NNA +D D D +N++ + + MI
Sbjct: 70 RAVEEFGGLDLLVNNAGAMHLTPAIIDTDLAVW-DQTMAINLRGTFLCCRHAAPRMIARG 128
Query: 133 IQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
GSIVN+SSIAG++ G+ Y ASKAA+ ++TRT+A EL IR N++ P ++ T +
Sbjct: 129 -GGSIVNLSSIAGQSGDPGYGAYGASKAAIRNLTRTLAAELRHAGIRCNALAPGLIDTPL 187
Query: 193 GRT 195
Sbjct: 188 LLA 190
>gnl|CDD|181491 PRK08589, PRK08589, short chain dehydrogenase; Validated.
Length = 272
Score = 74.0 bits (182), Expect = 1e-15
Identities = 59/214 (27%), Positives = 105/214 (49%), Gaps = 20/214 (9%)
Query: 23 GIGRCIVEKLSQHEAIIIAL---SKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKV 79
GIG+ L+Q A ++A+ +D +K + VD+ D + + S++
Sbjct: 17 GIGQASAIALAQEGAYVLAVDIAEAVSETVDKIKSNGGKAKAYHVDISDEQQVKDFASEI 76
Query: 80 ----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQG 135
G VDVL NNA V + ++ D I V+++ +++++ M++ G
Sbjct: 77 KEQFGRVDVLFNNAGVDNAAGRIHEYPVDVFDKIMAVDMRGTFLMTKMLLPLMMEQG--G 134
Query: 136 SIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM--G 193
SI+N SS +G+ A + Y+A+K A+ + T+++A+E G IR N++ P + T +
Sbjct: 135 SIINTSSFSGQAADLYRSGYNAAKGAVINFTKSIAIEYGRDGIRANAIAPGTIETPLVDK 194
Query: 194 RTGWSDPAKAGPMLAK-----TPLGRFAGKLKPK 222
TG S+ +AG + TPLGR KP+
Sbjct: 195 LTGTSED-EAGKTFRENQKWMTPLGRLG---KPE 224
>gnl|CDD|180411 PRK06123, PRK06123, short chain dehydrogenase; Provisional.
Length = 248
Score = 73.7 bits (181), Expect = 1e-15
Identities = 53/176 (30%), Positives = 92/176 (52%), Gaps = 8/176 (4%)
Query: 46 QANLDSLKQAFPNVQTVQVDLQDWA---RTRAAVSK-VGPVDVLINNAAVARFDRFLDID 101
+A + ++++ V D+ D A R AV + +G +D L+NNA + L+
Sbjct: 41 EAVVQAIRRQGGEALAVAADVADEADVLRLFEAVDRELGRLDALVNNAGILEAQMRLEQM 100
Query: 102 EENLIDSIFDVNI-KAVINISQVVSKTMIDHK-IQGSIVNVSSIAGKTALEGHTI-YSAS 158
+ + IF N+ + + + V + H G+IVNVSS+A + G I Y+AS
Sbjct: 101 DAARLTRIFATNVVGSFLCAREAVKRMSTRHGGRGGAIVNVSSMAARLGSPGEYIDYAAS 160
Query: 159 KAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRTGWSDPAKAGPMLAKTPLGR 214
K A+D++T +A E+ IRVN+V+P V+ T++ +G +P + + A P+GR
Sbjct: 161 KGAIDTMTIGLAKEVAAEGIRVNAVRPGVIYTEIHASG-GEPGRVDRVKAGIPMGR 215
>gnl|CDD|236389 PRK09134, PRK09134, short chain dehydrogenase; Provisional.
Length = 258
Score = 73.0 bits (180), Expect = 2e-15
Identities = 60/202 (29%), Positives = 95/202 (47%), Gaps = 20/202 (9%)
Query: 24 IGRCIVEKLSQHE---AIIIALSKTQAN--LDSLKQAFPNVQTVQVDLQDWARTRAAVSK 78
IGR I L+ H A+ S+ +A ++ +Q DL D A RA V++
Sbjct: 21 IGRAIALDLAAHGFDVAVHYNRSRDEAEALAAEIRALGRRAVALQADLADEAEVRALVAR 80
Query: 79 V----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
GP+ +L+NNA++ +D + D N++A ++Q ++ + +
Sbjct: 81 ASAALGPITLLVNNASLFEYDSAASFTRASW-DRHMATNLRAPFVLAQAFARALPADA-R 138
Query: 135 GSIVNVSSIAGKT-ALEGHTI-YSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
G +VN+ I + L + Y+ SKAAL + TRT+A L P IRVN++ P +
Sbjct: 139 GLVVNM--IDQRVWNLNPDFLSYTLSKAALWTATRTLAQALAP-RIRVNAIGPGPTL-PS 194
Query: 193 GRTGWSDPAKAGPMLAKTPLGR 214
GR D A+ A TPLGR
Sbjct: 195 GRQSPEDFARQ---HAATPLGR 213
>gnl|CDD|131680 TIGR02632, RhaD_aldol-ADH, rhamnulose-1-phosphate aldolase/alcohol
dehydrogenase.
Length = 676
Score = 74.9 bits (184), Expect = 2e-15
Identities = 48/208 (23%), Positives = 88/208 (42%), Gaps = 13/208 (6%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPN------VQTVQVDLQDWARTRAAV 76
GIGR +L+ A ++ +++ +++D+ D +AA
Sbjct: 425 GIGRETARRLAAEGAHVVLADLNLEAAEAVAAEINGQFGAGRAVALKMDVTDEQAVKAAF 484
Query: 77 SKV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHK 132
+ V G VD+++NNA +A F + + D+ +++ + M +
Sbjct: 485 ADVALAYGGVDIVVNNAGIATSSPFEETTLQEW-QLNLDILATGYFLVAREAFRQMREQG 543
Query: 133 IQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVM--T 190
+ G+IV ++S A + + YSA+KAA + R +A E G Y IRVN+V P V+ +
Sbjct: 544 LGGNIVFIASKNAVYAGKNASAYSAAKAAEAHLARCLAAEGGTYGIRVNTVNPDAVLQGS 603
Query: 191 QMGRTGWSDPAKAGPMLAKTPLGRFAGK 218
+ W + A + L K
Sbjct: 604 GIWDGEWREERAAAYGIPADELEEHYAK 631
>gnl|CDD|168186 PRK05693, PRK05693, short chain dehydrogenase; Provisional.
Length = 274
Score = 73.3 bits (180), Expect = 2e-15
Identities = 47/177 (26%), Positives = 86/177 (48%), Gaps = 9/177 (5%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAA----VSK 78
GIGR + + + A ++ ++++L A VQ+D+ D A ++
Sbjct: 12 GIGRALADAFKAAGYEVWATARKAEDVEALAAA--GFTAVQLDVNDGAALARLAEELEAE 69
Query: 79 VGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIV 138
G +DVLINNA LD E + F+ N+ AV+ +++ + + + +G +V
Sbjct: 70 HGGLDVLINNAGYGAMGPLLDGGVEAMRRQ-FETNVFAVVGVTRALFPLL--RRSRGLVV 126
Query: 139 NVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRT 195
N+ S++G Y ASKAA+ +++ + LEL P+ ++V VQP + +Q
Sbjct: 127 NIGSVSGVLVTPFAGAYCASKAAVHALSDALRLELAPFGVQVMEVQPGAIASQFASN 183
>gnl|CDD|187607 cd05349, BKR_2_SDR_c, putative beta-ketoacyl acyl carrier protein
[ACP]reductase (BKR), subgroup 2, classical (c) SDR.
This subgroup includes Rhizobium sp. NGR234 FabG1. The
Escherichai coli K12 BKR, FabG, belongs to a different
subgroup. BKR catalyzes the NADPH-dependent reduction of
ACP in the first reductive step of de novo fatty acid
synthesis (FAS). FAS consists of four elongation steps,
which are repeated to extend the fatty acid chain
through the addition of two-carbo units from malonyl
acyl-carrier protein (ACP): condensation, reduction,
dehydration, and a final reduction. Type II FAS, typical
of plants and many bacteria, maintains these activities
on discrete polypeptides, while type I FAS utilizes one
or two multifunctional polypeptides. BKR resembles enoyl
reductase, which catalyzes the second reduction step in
FAS. SDRs are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet), an NAD(P)(H)-binding
region, and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRS are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD-binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes have a 3-glycine N-terminal NAD(P)(H)-binding
pattern (typically, TGxxxGxG in classical SDRs and
TGxxGxxG in extended SDRs), while substrate binding is
in the C-terminal region. A critical catalytic Tyr
residue (Tyr-151, human 15-hydroxyprostaglandin
dehydrogenase (15-PGDH) numbering), is often found in a
conserved YXXXK pattern. In addition to the Tyr and Lys,
there is often an upstream Ser (Ser-138, 15-PGDH
numbering) and/or an Asn (Asn-107, 15-PGDH numbering) or
additional Ser, contributing to the active site.
Substrates for these enzymes include sugars, steroids,
alcohols, and aromatic compounds. The standard reaction
mechanism is a proton relay involving the conserved Tyr
and Lys, as well as Asn (or Ser). Some SDR family
members, including 17 beta-hydroxysteroid dehydrogenase
contain an additional helix-turn-helix motif that is not
generally found among SDRs.
Length = 246
Score = 72.5 bits (178), Expect = 2e-15
Identities = 42/144 (29%), Positives = 65/144 (45%), Gaps = 11/144 (7%)
Query: 80 GPVDVLINNAAVA-RFD-----RFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
GPVD ++NNA + FD F ID E+ + +K +N+ Q V +
Sbjct: 74 GPVDTIVNNALIDFPFDPDQRKTFDTIDWEDYQQQ-LEGAVKGALNLLQAVLPDFKERG- 131
Query: 134 QGSIVNVSS-IAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
G ++N+ + + + H Y+ +KAAL TR MA ELGPY I VN V ++
Sbjct: 132 SGRVINIGTNLFQNPVVPYHD-YTTAKAALLGFTRNMAKELGPYGITVNMVSGGLLKVT- 189
Query: 193 GRTGWSDPAKAGPMLAKTPLGRFA 216
+ + + TPLG+
Sbjct: 190 DASAATPKEVFDAIAQTTPLGKVT 213
>gnl|CDD|222222 pfam13561, adh_short_C2, Enoyl-(Acyl carrier protein) reductase.
Length = 239
Score = 72.2 bits (178), Expect = 3e-15
Identities = 34/120 (28%), Positives = 60/120 (50%), Gaps = 8/120 (6%)
Query: 75 AVSKVGPVDVLINNAAVARFDR----FLDIDEENLIDSIFDVNIKAVINISQVVSKTMID 130
G +D L+++ A++ R +LD E + ++ D++ + I++++ M
Sbjct: 66 VKEDGGKIDFLVHSIAMSPEIRKGKPYLDTSREGFLKAL-DISAYSFISLAKAAKPLM-- 122
Query: 131 HKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT 190
GSIV +S IA + G+ +KAAL+S+ R +A ELG IRVN++ T
Sbjct: 123 -NEGGSIVALSYIAAERVFPGYGGMGVAKAALESLARYLAYELGRKGIRVNTISAGPTKT 181
>gnl|CDD|182531 PRK10538, PRK10538, malonic semialdehyde reductase; Provisional.
Length = 248
Score = 72.5 bits (178), Expect = 3e-15
Identities = 49/180 (27%), Positives = 84/180 (46%), Gaps = 24/180 (13%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAF-PNVQTVQVDLQDWARTRAAVSKVGP 81
G G CI + Q +IA + Q L LK N+ Q+D+ R RAA+ ++
Sbjct: 11 GFGECITRRFIQQGHKVIATGRRQERLQELKDELGDNLYIAQLDV----RNRAAIEEMLA 66
Query: 82 --------VDVLINNAAVA-----RFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTM 128
+DVL+NNA +A ++ D E +ID+ N K ++ +++ V M
Sbjct: 67 SLPAEWRNIDVLVNNAGLALGLEPAHKASVE-DWETMIDT----NNKGLVYMTRAVLPGM 121
Query: 129 IDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVV 188
++ G I+N+ S AG G +Y A+KA + + + +L +RV ++P +V
Sbjct: 122 VERNH-GHIINIGSTAGSWPYAGGNVYGATKAFVRQFSLNLRTDLHGTAVRVTDIEPGLV 180
>gnl|CDD|236110 PRK07831, PRK07831, short chain dehydrogenase; Provisional.
Length = 262
Score = 72.4 bits (178), Expect = 3e-15
Identities = 41/130 (31%), Positives = 67/130 (51%), Gaps = 5/130 (3%)
Query: 60 QTVQVDLQDWARTRAAVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVIN 119
QVD A AAV ++G +DVL+NNA + +D+ ++ + DV +
Sbjct: 80 SEAQVD----ALIDAAVERLGRLDVLVNNAGLGGQTPVVDMTDDEW-SRVLDVTLTGTFR 134
Query: 120 ISQVVSKTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIR 179
++ + M G IVN +S+ G A G Y+A+KA + ++TR ALE Y +R
Sbjct: 135 ATRAALRYMRARGHGGVIVNNASVLGWRAQHGQAHYAAAKAGVMALTRCSALEAAEYGVR 194
Query: 180 VNSVQPTVVM 189
+N+V P++ M
Sbjct: 195 INAVAPSIAM 204
>gnl|CDD|235725 PRK06179, PRK06179, short chain dehydrogenase; Provisional.
Length = 270
Score = 72.2 bits (178), Expect = 4e-15
Identities = 54/179 (30%), Positives = 92/179 (51%), Gaps = 20/179 (11%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKV--- 79
GIGR EKL++ + S+ A + P V+ +++D+ D A +AAV +V
Sbjct: 15 GIGRATAEKLARAGYRVFGTSRNPARAAPI----PGVELLELDVTDDASVQAAVDEVIAR 70
Query: 80 -GPVDVLINNAAVARFDRFLDIDEENLID---SIFDVNIKAVINISQVVSKTMIDHKIQG 135
G +DVL+NNA V EE+ I ++FD N+ ++ +++ V M + QG
Sbjct: 71 AGRIDVLVNNAGVG----LAGAAEESSIAQAQALFDTNVFGILRMTRAVLPHM---RAQG 123
Query: 136 S--IVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
S I+N+SS+ G +Y+ASK A++ + ++ E+ + IRV+ V+P T
Sbjct: 124 SGRIINISSVLGFLPAPYMALYAASKHAVEGYSESLDHEVRQFGIRVSLVEPAYTKTNF 182
>gnl|CDD|180744 PRK06914, PRK06914, short chain dehydrogenase; Provisional.
Length = 280
Score = 72.0 bits (177), Expect = 5e-15
Identities = 44/148 (29%), Positives = 76/148 (51%), Gaps = 12/148 (8%)
Query: 46 QANLDSLKQAF---PNVQTVQVDLQDWA---RTRAAVSKVGPVDVLINNA--AVARFDRF 97
Q NL S N++ Q+D+ D + + ++G +D+L+NNA A F
Sbjct: 40 QENLLSQATQLNLQQNIKVQQLDVTDQNSIHNFQLVLKEIGRIDLLVNNAGYANGGFVEE 99
Query: 98 LDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIVNVSSIAGKTALEGHTIYSA 157
+ ++E F+ N+ I+++Q V M K G I+N+SSI+G+ G + Y +
Sbjct: 100 IPVEE---YRKQFETNVFGAISVTQAVLPYMRKQK-SGKIINISSISGRVGFPGLSPYVS 155
Query: 158 SKAALDSITRTMALELGPYNIRVNSVQP 185
SK AL+ + ++ LEL P+ I V ++P
Sbjct: 156 SKYALEGFSESLRLELKPFGIDVALIEP 183
>gnl|CDD|237100 PRK12429, PRK12429, 3-hydroxybutyrate dehydrogenase; Provisional.
Length = 258
Score = 71.5 bits (176), Expect = 5e-15
Identities = 55/222 (24%), Positives = 89/222 (40%), Gaps = 42/222 (18%)
Query: 23 GIGRCIVEKLSQHEA-IIIA---LSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSK 78
GIG I L++ A ++IA A ++L++A V +D+ D A +
Sbjct: 15 GIGLEIALALAKEGAKVVIADLNDEAAAAAAEALQKAGGKAIGVAMDVTDEEAINAGIDY 74
Query: 79 V----GPVDVLINNA-----------AVARFDRFLDIDEENLIDSIFDVNIKAVINISQV 123
G VD+L+NNA ++ + + I L D F + KA +
Sbjct: 75 AVETFGGVDILVNNAGIQHVAPIEDFPTEKWKKMIAI---ML-DGAF-LTTKAAL----- 124
Query: 124 VSKTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSV 183
M G I+N++S+ G G Y ++K L +T+ +ALE + + VN++
Sbjct: 125 --PIMKAQG-GGRIINMASVHGLVGSAGKAAYVSAKHGLIGLTKVVALEGATHGVTVNAI 181
Query: 184 QPTVVMTQMGRTGWSDPAKAGP----------MLAKTPLGRF 215
P V T + R D AK +L P RF
Sbjct: 182 CPGYVDTPLVRKQIPDLAKERGISEEEVLEDVLLPLVPQKRF 223
>gnl|CDD|180408 PRK06114, PRK06114, short chain dehydrogenase; Provisional.
Length = 254
Score = 71.4 bits (175), Expect = 6e-15
Identities = 53/206 (25%), Positives = 100/206 (48%), Gaps = 30/206 (14%)
Query: 36 EAIIIALSKTQANL--------DSLKQAFPNVQT-------VQVDLQDWARTRAAVSKV- 79
+ I I L++ A++ D L + +++ + D+ A RAAV++
Sbjct: 22 QRIAIGLAQAGADVALFDLRTDDGLAETAEHIEAAGRRAIQIAADVTSKADLRAAVARTE 81
Query: 80 ---GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGS 136
G + + +N A +A + +++EE ++ D+N+ V Q ++ M+++ GS
Sbjct: 82 AELGALTLAVNAAGIANANPAEEMEEEQW-QTVMDINLTGVFLSCQAEARAMLENG-GGS 139
Query: 137 IVNVSSIAG----KTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
IVN++S++G + L+ H Y+ASKA + +++++A+E IRVNS+ P T M
Sbjct: 140 IVNIASMSGIIVNRGLLQAH--YNASKAGVIHLSKSLAMEWVGRGIRVNSISPGYTATPM 197
Query: 193 G-RTGWSDPAKAGPMLAKTPLGRFAG 217
R K +TP+ R A
Sbjct: 198 NTRPEMVHQTKL--FEEQTPMQRMAK 221
>gnl|CDD|187591 cd05330, cyclohexanol_reductase_SDR_c, cyclohexanol reductases,
including levodione reductase, classical (c) SDRs.
Cyloclohexanol reductases,including
(6R)-2,2,6-trimethyl-1,4-cyclohexanedione (levodione)
reductase of Corynebacterium aquaticum, catalyze the
reversible oxidoreduction of hydroxycyclohexanone
derivatives. SDRs are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet), an NAD(P)(H)-binding
region, and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRs are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD-binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes catalyze a wide range of activities including
the metabolism of steroids, cofactors, carbohydrates,
lipids, aromatic compounds, and amino acids, and act in
redox sensing. Classical SDRs have an TGXXX[AG]XG
cofactor binding motif and a YXXXK active site motif,
with the Tyr residue of the active site motif serving as
a critical catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 257
Score = 71.4 bits (175), Expect = 7e-15
Identities = 53/210 (25%), Positives = 96/210 (45%), Gaps = 19/210 (9%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPN------VQTVQVDLQDWARTRA-- 74
G+G +L++ A + + + L++ K A V ++ D+ D A+ A
Sbjct: 14 GLGLATAVRLAKEGAKLSLVDLNEEGLEAAKAALLEIAPDAEVLLIKADVSDEAQVEAYV 73
Query: 75 --AVSKVGPVDVLINNAAV-ARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDH 131
V + G +D NNA + + + D + D + +N++ V + V K M +
Sbjct: 74 DATVEQFGRIDGFFNNAGIEGKQNLTEDFGADEF-DKVVSINLRGVFYGLEKVLKVMREQ 132
Query: 132 KIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQ 191
G IVN +S+ G + + Y+A+K + +TR A+E G Y IR+N++ P ++T
Sbjct: 133 GS-GMIVNTASVGGIRGVGNQSGYAAAKHGVVGLTRNSAVEYGQYGIRINAIAPGAILTP 191
Query: 192 M-----GRTGWSDPAKAGPMLAK-TPLGRF 215
M + G +P +AG P+ RF
Sbjct: 192 MVEGSLKQLGPENPEEAGEEFVSVNPMKRF 221
>gnl|CDD|183489 PRK12384, PRK12384, sorbitol-6-phosphate dehydrogenase;
Provisional.
Length = 259
Score = 71.2 bits (175), Expect = 8e-15
Identities = 36/132 (27%), Positives = 61/132 (46%), Gaps = 5/132 (3%)
Query: 58 NVQTVQVDLQDWARTRAAVSKV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVN 113
D A V G VD+L+ NA +A+ D + S+ VN
Sbjct: 54 MAYGFGADATSEQSVLALSRGVDEIFGRVDLLVYNAGIAKAAFITDFQLGDFDRSL-QVN 112
Query: 114 IKAVINISQVVSKTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALEL 173
+ ++ S+ MI IQG I+ ++S +GK + ++ YSA+K +T+++AL+L
Sbjct: 113 LVGYFLCAREFSRLMIRDGIQGRIIQINSKSGKVGSKHNSGYSAAKFGGVGLTQSLALDL 172
Query: 174 GPYNIRVNSVQP 185
Y I V+S+
Sbjct: 173 AEYGITVHSLML 184
>gnl|CDD|132368 TIGR03325, BphB_TodD, cis-2,3-dihydrobiphenyl-2,3-diol
dehydrogenase. Members of this family occur as the BphD
protein of biphenyl catabolism and as the TodD protein
of toluene catabolism. Members catalyze the second step
in each pathway and proved interchangeable when tested;
the first and fourth enzymes in each pathway confer
metabolic specificity. In the context of biphenyl
degradation, the enzyme acts as
cis-2,3-dihydrobiphenyl-2,3-diol dehydrogenase (EC
1.3.1.56), while in toluene degradation it acts as
cis-toluene dihydrodiol dehydrogenase.
Length = 262
Score = 71.4 bits (175), Expect = 8e-15
Identities = 55/200 (27%), Positives = 96/200 (48%), Gaps = 14/200 (7%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFP-NVQTVQVDLQDWARTRAAVSKV-- 79
G+GR IV++ A + L K+ A L L+ A V V+ D++ + AV++
Sbjct: 16 GLGRAIVDRFVAEGARVAVLDKSAAGLQELEAAHGDAVVGVEGDVRSLDDHKEAVARCVA 75
Query: 80 --GPVDVLINNAAVARFDRFL-DIDEENL---IDSIFDVNIKAVINISQVVSKTMIDHKI 133
G +D LI NA + + L DI ++ + D +F +N+K + + ++ +
Sbjct: 76 AFGKIDCLIPNAGIWDYSTALVDIPDDRIDEAFDEVFHINVKGYLLAVKAALPALVASR- 134
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
GS++ S AG G +Y+A+K A+ + + +A EL PY +RVN V P + + +
Sbjct: 135 -GSVIFTISNAGFYPNGGGPLYTAAKHAVVGLVKELAFELAPY-VRVNGVAPGGMSSDL- 191
Query: 194 RTGWSDPAKAGPMLAKTPLG 213
G A ++ PLG
Sbjct: 192 -RGPKSLGMADKSISTVPLG 210
>gnl|CDD|187636 cd08931, SDR_c9, classical (c) SDR, subgroup 9. This subgroup has
the canonical active site tetrad and NAD-binding motif
of the classical SDRs. SDRs are a functionally diverse
family of oxidoreductases that have a single domain with
a structurally conserved Rossmann fold (alpha/beta
folding pattern with a central beta-sheet), an
NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Classical SDRs are typically about
250 residues long, while extended SDRs are approximately
350 residues. Sequence identity between different SDR
enzymes are typically in the 15-30% range, but the
enzymes share the Rossmann fold NAD-binding motif and
characteristic NAD-binding and catalytic sequence
patterns. These enzymes catalyze a wide range of
activities including the metabolism of steroids,
cofactors, carbohydrates, lipids, aromatic compounds,
and amino acids, and act in redox sensing. Classical
SDRs have an TGXXX[AG]XG cofactor binding motif and a
YXXXK active site motif, with the Tyr residue of the
active site motif serving as a critical catalytic
residue (Tyr-151, human 15-hydroxyprostaglandin
dehydrogenase (15-PGDH) numbering). In addition to the
Tyr and Lys, there is often an upstream Ser (Ser-138,
15-PGDH numbering) and/or an Asn (Asn-107, 15-PGDH
numbering) contributing to the active site; while
substrate binding is in the C-terminal region, which
determines specificity. The standard reaction mechanism
is a 4-pro-S hydride transfer and proton relay involving
the conserved Tyr and Lys, a water molecule stabilized
by Asn, and nicotinamide. Extended SDRs have additional
elements in the C-terminal region, and typically have a
TGXXGXXG cofactor binding motif. Complex (multidomain)
SDRs such as ketoreductase domains of fatty acid
synthase have a GGXGXXG NAD(P)-binding motif and an
altered active site motif (YXXXN). Fungal type ketoacyl
reductases have a TGXXXGX(1-2)G NAD(P)-binding motif.
Some atypical SDRs have lost catalytic activity and/or
have an unusual NAD(P)-binding motif and missing or
unusual active site residues. Reactions catalyzed within
the SDR family include isomerization, decarboxylation,
epimerization, C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 227
Score = 70.2 bits (172), Expect = 1e-14
Identities = 50/193 (25%), Positives = 81/193 (41%), Gaps = 15/193 (7%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAF--PNVQTVQVDLQDWARTRAAVSKVG 80
GIGR +++ + + L +L NV +D+ D A AA++
Sbjct: 11 GIGRETALLFARNGWFVGLYDIDEDGLAALAAELGAENVVAGALDVTDRAAWAAALADFA 70
Query: 81 P-----VDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQG 135
+D L NNA V R F D+ D + D+N+K V+N + G
Sbjct: 71 AATGGRLDALFNNAGVGRGGPFEDVPLAA-HDRMVDINVKGVLN--GAYAALPYLKATPG 127
Query: 136 S-IVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM-- 192
+ ++N +S + +YSA+K A+ +T + +E + IRV V P V T +
Sbjct: 128 ARVINTASSSAIYGQPDLAVYSATKFAVRGLTEALDVEWARHGIRVADVWPWFVDTPILT 187
Query: 193 -GRTGWSDPAKAG 204
G TG + P K
Sbjct: 188 KGETG-AAPKKGL 199
>gnl|CDD|236210 PRK08267, PRK08267, short chain dehydrogenase; Provisional.
Length = 260
Score = 70.7 bits (174), Expect = 1e-14
Identities = 54/182 (29%), Positives = 79/182 (43%), Gaps = 19/182 (10%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFP--NVQTVQVDLQD---WARTRAAVS 77
GIGR + + A +A L +L N T +D+ D W A +
Sbjct: 12 GIGRATALLFAAEGWRVGAYDINEAGLAALAAELGAGNAWTGALDVTDRAAWDAALADFA 71
Query: 78 KV--GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQV----VSKTMIDH 131
G +DVL NNA + R F DI E D + D+N+K V+N + + T
Sbjct: 72 AATGGRLDVLFNNAGILRGGPFEDIPLEA-HDRVIDINVKGVLNGAHAALPYLKAT---- 126
Query: 132 KIQGS-IVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT 190
G+ ++N SS + G +YSA+K A+ +T + LE + IRV V P V T
Sbjct: 127 --PGARVINTSSASAIYGQPGLAVYSATKFAVRGLTEALDLEWRRHGIRVADVMPLFVDT 184
Query: 191 QM 192
M
Sbjct: 185 AM 186
>gnl|CDD|235545 PRK05650, PRK05650, short chain dehydrogenase; Provisional.
Length = 270
Score = 70.8 bits (174), Expect = 1e-14
Identities = 44/152 (28%), Positives = 75/152 (49%), Gaps = 8/152 (5%)
Query: 65 DLQDWARTRAAVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVV 124
L A+ A K G +DV++NNA VA F ++ E+ D +N+ V+ +
Sbjct: 63 QLTALAQ--ACEEKWGGIDVIVNNAGVASGGFFEELSLEDW-DWQIAINLMGVVKGCKAF 119
Query: 125 SKTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQ 184
K G IVN++S+AG + Y+ +KA + +++ T+ +EL I V+ V
Sbjct: 120 LPLFKRQK-SGRIVNIASMAGLMQGPAMSSYNVAKAGVVALSETLLVELADDEIGVHVVC 178
Query: 185 PTVVMTQMGRTGWS-DPA-KA--GPMLAKTPL 212
P+ T + + +PA KA G +L K+P+
Sbjct: 179 PSFFQTNLLDSFRGPNPAMKAQVGKLLEKSPI 210
>gnl|CDD|235990 PRK07326, PRK07326, short chain dehydrogenase; Provisional.
Length = 237
Score = 70.0 bits (172), Expect = 2e-14
Identities = 50/177 (28%), Positives = 74/177 (41%), Gaps = 14/177 (7%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTV---QVDLQDWARTRAAV--- 76
GIG I E L + ++ Q L+ N V D++D A + AV
Sbjct: 17 GIGFAIAEALLAEGYKVAITARDQKELEEAAAELNNKGNVLGLAADVRDEADVQRAVDAI 76
Query: 77 -SKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMID--HKI 133
+ G +DVLI NA V F ++ E I D N+ K + +
Sbjct: 77 VAAFGGLDVLIANAGVGHFAPVEELTPEEWRLVI-DTNLTGAF----YTIKAAVPALKRG 131
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT 190
G I+N+SS+AG G Y+ASK L + L+L Y I+V+++ P V T
Sbjct: 132 GGYIINISSLAGTNFFAGGAAYNASKFGLVGFSEAAMLDLRQYGIKVSTIMPGSVAT 188
>gnl|CDD|180822 PRK07069, PRK07069, short chain dehydrogenase; Validated.
Length = 251
Score = 70.1 bits (172), Expect = 2e-14
Identities = 51/181 (28%), Positives = 88/181 (48%), Gaps = 15/181 (8%)
Query: 23 GIGRCIVEKLSQHEA-IIIALSKTQANLDSLKQ----------AFPNVQTVQVDLQDWAR 71
G+GR I ++++ A + + A LD+ AF VQ V + Q A
Sbjct: 10 GLGRAIARRMAEQGAKVFLTDINDAAGLDAFAAEINAAHGEGVAFAAVQDVTDEAQWQAL 69
Query: 72 TRAAVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDH 131
A +G + VL+NNA V F I+ + + +N++++ + +
Sbjct: 70 LAQAADAMGGLSVLVNNAGVGSFGAIEQIELD-EWRRVMAINVESIFLGCKHALPYLRAS 128
Query: 132 KIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGP--YNIRVNSVQPTVVM 189
+ SIVN+SS+A A +T Y+ASKAA+ S+T+++AL+ ++R NS+ PT +
Sbjct: 129 Q-PASIVNISSVAAFKAEPDYTAYNASKAAVASLTKSIALDCARRGLDVRCNSIHPTFIR 187
Query: 190 T 190
T
Sbjct: 188 T 188
>gnl|CDD|235935 PRK07109, PRK07109, short chain dehydrogenase; Provisional.
Length = 334
Score = 70.7 bits (174), Expect = 3e-14
Identities = 44/178 (24%), Positives = 79/178 (44%), Gaps = 12/178 (6%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSL----KQAFPNVQTVQVDLQDWARTRAAVSK 78
G+GR ++ A ++ L++ + L++L + A V D+ D +AA +
Sbjct: 19 GVGRATARAFARRGAKVVLLARGEEGLEALAAEIRAAGGEALAVVADVADAEAVQAAADR 78
Query: 79 V----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
GP+D +NNA V F F D+ E + +V V++ + + M + +
Sbjct: 79 AEEELGPIDTWVNNAMVTVFGPFEDVTPEE-FRRVTEVTYLGVVHGTLAALRHMRP-RDR 136
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALEL--GPYNIRVNSVQPTVVMT 190
G+I+ V S ++ + Y A+K A+ T ++ EL + V VQP V T
Sbjct: 137 GAIIQVGSALAYRSIPLQSAYCAAKHAIRGFTDSLRCELLHDGSPVSVTMVQPPAVNT 194
>gnl|CDD|235628 PRK05855, PRK05855, short chain dehydrogenase; Validated.
Length = 582
Score = 71.2 bits (175), Expect = 3e-14
Identities = 48/181 (26%), Positives = 81/181 (44%), Gaps = 9/181 (4%)
Query: 23 GIGRCIVEKLSQHEAIIIA----LSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSK 78
GIGR ++ A ++A + + + ++ A +VD+ D A
Sbjct: 326 GIGRETALAFAREGAEVVASDIDEAAAERTAELIRAAGAVAHAYRVDVSDADAMEAFAEW 385
Query: 79 V----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
V G D+++NNA + FLD E+ D + DVN+ VI+ ++ + M++
Sbjct: 386 VRAEHGVPDIVVNNAGIGMAGGFLDTSAED-WDRVLDVNLWGVIHGCRLFGRQMVERGTG 444
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGR 194
G IVNV+S A Y+ SKAA+ ++ + EL I V ++ P V T +
Sbjct: 445 GHIVNVASAAAYAPSRSLPAYATSKAAVLMLSECLRAELAAAGIGVTAICPGFVDTNIVA 504
Query: 195 T 195
T
Sbjct: 505 T 505
>gnl|CDD|235816 PRK06500, PRK06500, short chain dehydrogenase; Provisional.
Length = 249
Score = 69.6 bits (171), Expect = 3e-14
Identities = 60/202 (29%), Positives = 94/202 (46%), Gaps = 13/202 (6%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAF-PNVQTVQVDLQDWARTRAAVSKV-- 79
GIG + A + + A+L++ + + ++ D D A +A +
Sbjct: 17 GIGLETARQFLAEGARVAITGRDPASLEAARAELGESALVIRADAGDVAAQKALAQALAE 76
Query: 80 --GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSI 137
G +D + NA VA+F D DE + D F+ N+K + Q + + + SI
Sbjct: 77 AFGRLDAVFINAGVAKFAPLEDWDEA-MFDRSFNTNVKGPYFLIQALLPLLAN---PASI 132
Query: 138 VNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQ-MGRTG 196
V SI + ++Y+ASKAAL S+ +T++ EL P IRVN+V P V T G+ G
Sbjct: 133 VLNGSINAHIGMPNSSVYAASKAALLSLAKTLSGELLPRGIRVNAVSPGPVQTPLYGKLG 192
Query: 197 WSD---PAKAGPMLAKTPLGRF 215
+ A A + A PLGRF
Sbjct: 193 LPEATLDAVAAQIQALVPLGRF 214
>gnl|CDD|180448 PRK06182, PRK06182, short chain dehydrogenase; Validated.
Length = 273
Score = 69.6 bits (171), Expect = 3e-14
Identities = 51/185 (27%), Positives = 86/185 (46%), Gaps = 17/185 (9%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKV--- 79
GIG+ +L+ + ++ ++ L V + +D+ D A +AAV +
Sbjct: 14 GIGKATARRLAAQGYTVYGAARRVDKMEDLASL--GVHPLSLDVTDEASIKAAVDTIIAE 71
Query: 80 -GPVDVLINNAAVARFDRFLD--IDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGS 136
G +DVL+NNA + D IDE F+VN+ ++Q+V M + G
Sbjct: 72 EGRIDVLVNNAGYGSYGAIEDVPIDEAR---RQFEVNLFGAARLTQLVLPHM-RAQRSGR 127
Query: 137 IVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRTG 196
I+N+SS+ GK Y A+K AL+ + + LE+ P+ I V ++P + +T
Sbjct: 128 IINISSMGGKIYTPLGAWYHATKFALEGFSDALRLEVAPFGIDVVVIEPGGI-----KTE 182
Query: 197 WSDPA 201
W D A
Sbjct: 183 WGDIA 187
>gnl|CDD|181517 PRK08642, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 253
Score = 69.3 bits (170), Expect = 3e-14
Identities = 41/174 (23%), Positives = 77/174 (44%), Gaps = 15/174 (8%)
Query: 23 GIGRCIVEKLS-QHEAIIIALSKTQANLDSLKQAF-PNVQTVQVDLQDWARTRAAVSKV- 79
G+G I + + +++ +++ ++L +Q D+ D + +A +
Sbjct: 16 GLGAAIARAFAREGARVVVNYHQSEDAAEALADELGDRAIALQADVTDREQVQAMFATAT 75
Query: 80 ----GPVDVLINNAAVA-RFD-----RFLDIDEENLIDSIFDVNIKAVINISQVVSKTMI 129
P+ ++NNA FD + DI E+ + ++K +N Q M
Sbjct: 76 EHFGKPITTVVNNALADFSFDGDARKKADDITWEDF-QQQLEGSVKGALNTIQAALPGMR 134
Query: 130 DHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSV 183
+ G I+N+ + + + + Y+ +KAAL +TR +A ELGPY I VN V
Sbjct: 135 EQG-FGRIINIGTNLFQNPVVPYHDYTTAKAALLGLTRNLAAELGPYGITVNMV 187
>gnl|CDD|135631 PRK05867, PRK05867, short chain dehydrogenase; Provisional.
Length = 253
Score = 69.3 bits (169), Expect = 3e-14
Identities = 44/143 (30%), Positives = 71/143 (49%), Gaps = 10/143 (6%)
Query: 76 VSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQG 135
+++G +D+ + NA + LD+ E + + N+ V +Q +K M+ G
Sbjct: 81 TAELGGIDIAVCNAGIITVTPMLDMPLEEF-QRLQNTNVTGVFLTAQAAAKAMVKQGQGG 139
Query: 136 SIVNVSSIAGKT----ALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQ 191
I+N +S++G H Y ASKAA+ +T+ MA+EL P+ IRVNSV P ++T+
Sbjct: 140 VIINTASMSGHIINVPQQVSH--YCASKAAVIHLTKAMAVELAPHKIRVNSVSPGYILTE 197
Query: 192 MGRTGWSDPAKAGPMLAKTPLGR 214
+ P K PLGR
Sbjct: 198 LVEPYTEYQPLWEP---KIPLGR 217
>gnl|CDD|235962 PRK07201, PRK07201, short chain dehydrogenase; Provisional.
Length = 657
Score = 70.4 bits (173), Expect = 5e-14
Identities = 61/228 (26%), Positives = 87/228 (38%), Gaps = 43/228 (18%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFP----NVQTVQVDLQDWARTRAAVSK 78
GIGR K+++ A + +++ LD L DL D A V
Sbjct: 382 GIGRATAIKVAEAGATVFLVARNGEALDELVAEIRAKGGTAHAYTCDLTDSAAVDHTVKD 441
Query: 79 V----GPVDVLINNA-------AVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKT 127
+ G VD L+NNA DRF D + VN + + +
Sbjct: 442 ILAEHGHVDYLVNNAGRSIRRSVENSTDRFHDYER------TMAVNYFGAVRLILGLLPH 495
Query: 128 MIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTV 187
M + + G +VNVSSI +T + Y ASKAALD+ + A E I ++ +
Sbjct: 496 MRERR-FGHVVNVSSIGVQTNAPRFSAYVASKAALDAFSDVAASETLSDGITFTTIHMPL 554
Query: 188 VMTQM---------GRTGWSDPAKAGPMLAK----------TPLGRFA 216
V T M T S P +A M+ + TPLG FA
Sbjct: 555 VRTPMIAPTKRYNNVPT-IS-PEEAADMVVRAIVEKPKRIDTPLGTFA 600
>gnl|CDD|236099 PRK07791, PRK07791, short chain dehydrogenase; Provisional.
Length = 286
Score = 69.3 bits (170), Expect = 5e-14
Identities = 50/160 (31%), Positives = 76/160 (47%), Gaps = 17/160 (10%)
Query: 65 DLQDWART----RAAVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIK---AV 117
D+ DW AAV G +DVL+NNA + R DR + E D++ V++K A
Sbjct: 72 DIADWDGAANLVDAAVETFGGLDVLVNNAGILR-DRMIANMSEEEWDAVIAVHLKGHFAT 130
Query: 118 INISQVV--SKTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGP 175
+ + +++ + I+N SS AG G YSA+KA + ++T A ELG
Sbjct: 131 LRHAAAYWRAESKAGRAVDARIINTSSGAGLQGSVGQGNYSAAKAGIAALTLVAAAELGR 190
Query: 176 YNIRVNSVQPTVVMTQMGRTGWSDPAKAGPMLAKTPLGRF 215
Y + VN++ P RT ++ A M+AK G F
Sbjct: 191 YGVTVNAIAP------AARTRMTETVFAE-MMAKPEEGEF 223
>gnl|CDD|235853 PRK06701, PRK06701, short chain dehydrogenase; Provisional.
Length = 290
Score = 68.9 bits (169), Expect = 6e-14
Identities = 52/167 (31%), Positives = 81/167 (48%), Gaps = 22/167 (13%)
Query: 61 TVQVDLQDWARTRAAVSK----VGPVDVLINNAAVARF-DRFLDIDEENLIDSIFDVNIK 115
+ D+ D A + AV + +G +D+L+NNAA DI E L D F NI
Sbjct: 100 LIPGDVSDEAFCKDAVEETVRELGRLDILVNNAAFQYPQQSLEDITAEQL-DKTFKTNIY 158
Query: 116 AVINISQVVSKTMIDHKIQGS-IVNVSSIAGKTALEGHTI---YSASKAALDSITRTMAL 171
+ + ++K + H QGS I+N SI T EG+ YSA+K A+ + TR++A
Sbjct: 159 SYFH----MTKAALPHLKQGSAIINTGSI---TGYEGNETLIDYSATKGAIHAFTRSLAQ 211
Query: 172 ELGPYNIRVNSVQPTVVMTQMGRTGWS--DPAKAGPMLAKTPLGRFA 216
L IRVN+V P + T + + + ++ G + TP+ R
Sbjct: 212 SLVQKGIRVNAVAPGPIWTPLIPSDFDEEKVSQFG---SNTPMQRPG 255
>gnl|CDD|181139 PRK07832, PRK07832, short chain dehydrogenase; Provisional.
Length = 272
Score = 68.9 bits (169), Expect = 6e-14
Identities = 51/185 (27%), Positives = 83/185 (44%), Gaps = 16/185 (8%)
Query: 23 GIGRCIVEKLSQHEAIII-------ALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAA 75
GIGR +L+ A + L++T A+ +L P + + + D AA
Sbjct: 11 GIGRATALRLAAQGAELFLTDRDADGLAQTVADARALGGTVPEHRALDISDYDAVAAFAA 70
Query: 76 --VSKVGPVDVLINNAAVARF---DRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMID 130
+ G +DV++N A ++ + DR ++D VN+ I++ + M+
Sbjct: 71 DIHAAHGSMDVVMNIAGISAWGTVDRLTHEQWRRMVD----VNLMGPIHVIETFVPPMVA 126
Query: 131 HKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT 190
G +VNVSS AG AL H YSASK L ++ + +L + I V+ V P V T
Sbjct: 127 AGRGGHLVNVSSAAGLVALPWHAAYSASKFGLRGLSEVLRFDLARHGIGVSVVVPGAVKT 186
Query: 191 QMGRT 195
+ T
Sbjct: 187 PLVNT 191
>gnl|CDD|180818 PRK07062, PRK07062, short chain dehydrogenase; Provisional.
Length = 265
Score = 68.9 bits (169), Expect = 6e-14
Identities = 52/174 (29%), Positives = 85/174 (48%), Gaps = 18/174 (10%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDS----LKQAFPNVQ--TVQVDLQDWARTRAAV 76
GIG VE L + A + + + L S L++ FP + + D+ D A A
Sbjct: 19 GIGLATVELLLEAGASVAICGRDEERLASAEARLREKFPGARLLAARCDVLDEADVAAFA 78
Query: 77 SKV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHK 132
+ V G VD+L+NNA R F D ++ D ++ +VIN ++ ++
Sbjct: 79 AAVEARFGGVDMLVNNAGQGRVSTFADTTDDAWRDE-LELKYFSVINPTRAF-LPLLRAS 136
Query: 133 IQGSIVNVSSIAGKTAL--EGHTI-YSASKAALDSITRTMALELGPYNIRVNSV 183
SIV V+S+ AL E H + SA++A L ++ +++A EL P +RVNS+
Sbjct: 137 AAASIVCVNSL---LALQPEPHMVATSAARAGLLNLVKSLATELAPKGVRVNSI 187
>gnl|CDD|130890 TIGR01831, fabG_rel, 3-oxoacyl-(acyl-carrier-protein) reductase,
putative. This model represents a small, very well
conserved family of proteins closely related to the FabG
family, TIGR01830, and possibly equal in function. In
all completed genomes with a member of this family, a
FabG in TIGR01830 is also found [Fatty acid and
phospholipid metabolism, Biosynthesis].
Length = 239
Score = 68.0 bits (166), Expect = 1e-13
Identities = 46/180 (25%), Positives = 85/180 (47%), Gaps = 12/180 (6%)
Query: 23 GIGRCIVEKLSQHEAIIIAL------SKTQANLDSLKQAFPNVQTVQVDLQDWARTRAA- 75
GIGR I +L+ + I + S ++ + +++ N + +Q D+ D R
Sbjct: 9 GIGRAIANRLAA-DGFEICVHYHSGRSDAESVVSAIQAQGGNARLLQFDVADRVACRTLL 67
Query: 76 ---VSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHK 132
+++ G ++ NA + R F + EE+ D + N+ N+ + MI +
Sbjct: 68 EADIAEHGAYYGVVLNAGITRDAAFPALSEEDW-DIVIHTNLDGFYNVIHPCTMPMIRAR 126
Query: 133 IQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
G I+ ++S++G G YSA+KA L T+ +A+EL I VN + P ++ T+M
Sbjct: 127 QGGRIITLASVSGVMGNRGQVNYSAAKAGLIGATKALAVELAKRKITVNCIAPGLIDTEM 186
>gnl|CDD|180399 PRK06101, PRK06101, short chain dehydrogenase; Provisional.
Length = 240
Score = 68.0 bits (166), Expect = 1e-13
Identities = 53/173 (30%), Positives = 86/173 (49%), Gaps = 13/173 (7%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKVGPV 82
GIG+ + ++ +IA + Q+ LD L N+ T+ D+ D T+AA+S++ +
Sbjct: 12 GIGKQLALDYAKQGWQVIACGRNQSVLDELHTQSANIFTLAFDVTDHPGTKAALSQLPFI 71
Query: 83 -DVLINNAAVARF--DRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMID--HKIQGSI 137
++ I NA + D +D L+ +F+VN+ V N + + + H++
Sbjct: 72 PELWIFNAGDCEYMDDGKVDA---TLMARVFNVNVLGVANCIEG-IQPHLSCGHRV---- 123
Query: 138 VNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT 190
V V SIA + AL Y ASKAA+ RT+ L+L P I V +V P V T
Sbjct: 124 VIVGSIASELALPRAEAYGASKAAVAYFARTLQLDLRPKGIEVVTVFPGFVAT 176
>gnl|CDD|182051 PRK09730, PRK09730, putative NAD(P)-binding oxidoreductase;
Provisional.
Length = 247
Score = 68.0 bits (166), Expect = 1e-13
Identities = 47/164 (28%), Positives = 81/164 (49%), Gaps = 16/164 (9%)
Query: 62 VQVDLQDWARTRAAVSKV----GPVDVLINNAAVARFDRFLDIDEENL----IDSIFDVN 113
+Q D+ D + A + + P+ L+NNA + F ENL I+ + N
Sbjct: 56 LQADISDENQVVAMFTAIDQHDEPLAALVNNAGIL----FTQCTVENLTAERINRVLSTN 111
Query: 114 IKA-VINISQVVSKTMIDHKIQG-SIVNVSSIAGKTALEGHTI-YSASKAALDSITRTMA 170
+ + + V + + H G +IVNVSS A + G + Y+ASK A+D++T ++
Sbjct: 112 VTGYFLCCREAVKRMALKHGGSGGAIVNVSSAASRLGAPGEYVDYAASKGAIDTLTTGLS 171
Query: 171 LELGPYNIRVNSVQPTVVMTQMGRTGWSDPAKAGPMLAKTPLGR 214
LE+ IRVN V+P + T+M +G +P + + + P+ R
Sbjct: 172 LEVAAQGIRVNCVRPGFIYTEMHASG-GEPGRVDRVKSNIPMQR 214
>gnl|CDD|187583 cd05322, SDH_SDR_c_like, Sorbitol 6-phosphate dehydrogenase (SDH),
classical (c) SDRs. Sorbitol 6-phosphate dehydrogenase
(SDH, aka glucitol 6-phosphate dehydrogenase) catalyzes
the NAD-dependent interconversion of D-fructose
6-phosphate to D-sorbitol 6-phosphate. SDH is a member
of the classical SDRs, with the characteristic catalytic
tetrad, but without a complete match to the typical
NAD-binding motif. SDRs are a functionally diverse
family of oxidoreductases that have a single domain with
a structurally conserved Rossmann fold (alpha/beta
folding pattern with a central beta-sheet), an
NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Classical SDRs are typically about
250 residues long, while extended SDRs are approximately
350 residues. Sequence identity between different SDR
enzymes are typically in the 15-30% range, but the
enzymes share the Rossmann fold NAD-binding motif and
characteristic NAD-binding and catalytic sequence
patterns. These enzymes catalyze a wide range of
activities including the metabolism of steroids,
cofactors, carbohydrates, lipids, aromatic compounds,
and amino acids, and act in redox sensing. Classical
SDRs have an TGXXX[AG]XG cofactor binding motif and a
YXXXK active site motif, with the Tyr residue of the
active site motif serving as a critical catalytic
residue (Tyr-151, human 15-hydroxyprostaglandin
dehydrogenase (15-PGDH) numbering). In addition to the
Tyr and Lys, there is often an upstream Ser (Ser-138,
15-PGDH numbering) and/or an Asn (Asn-107, 15-PGDH
numbering) contributing to the active site; while
substrate binding is in the C-terminal region, which
determines specificity. The standard reaction mechanism
is a 4-pro-S hydride transfer and proton relay involving
the conserved Tyr and Lys, a water molecule stabilized
by Asn, and nicotinamide. Extended SDRs have additional
elements in the C-terminal region, and typically have a
TGXXGXXG cofactor binding motif. Complex (multidomain)
SDRs such as ketoreductase domains of fatty acid
synthase have a GGXGXXG NAD(P)-binding motif and an
altered active site motif (YXXXN). Fungal type ketoacyl
reductases have a TGXXXGX(1-2)G NAD(P)-binding motif.
Some atypical SDRs have lost catalytic activity and/or
have an unusual NAD(P)-binding motif and missing or
unusual active site residues. Reactions catalyzed within
the SDR family include isomerization, decarboxylation,
epimerization, C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 257
Score = 67.5 bits (165), Expect = 1e-13
Identities = 35/132 (26%), Positives = 63/132 (47%), Gaps = 5/132 (3%)
Query: 58 NVQTVQVDLQDWARTRAAVSKV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVN 113
D + A V VD+L+ +A +A+ + D + + S+ VN
Sbjct: 53 KAYGFGADATNEQSVIALSKGVDEIFKRVDLLVYSAGIAKSAKITDFELGDFDRSL-QVN 111
Query: 114 IKAVINISQVVSKTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALEL 173
+ ++ SK MI IQG I+ ++S +GK + ++ YSA+K +T+++AL+L
Sbjct: 112 LVGYFLCAREFSKLMIRDGIQGRIIQINSKSGKVGSKHNSGYSAAKFGGVGLTQSLALDL 171
Query: 174 GPYNIRVNSVQP 185
+ I VNS+
Sbjct: 172 AEHGITVNSLML 183
>gnl|CDD|187618 cd05360, SDR_c3, classical (c) SDR, subgroup 3. These proteins are
members of the classical SDR family, with a canonical
active site triad (and also active site Asn) and a
typical Gly-rich NAD-binding motif. SDRs are a
functionally diverse family of oxidoreductases that have
a single domain with a structurally conserved Rossmann
fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRS are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes have a
3-glycine N-terminal NAD(P)(H)-binding pattern
(typically, TGxxxGxG in classical SDRs and TGxxGxxG in
extended SDRs), while substrate binding is in the
C-terminal region. A critical catalytic Tyr residue
(Tyr-151, human 15-hydroxyprostaglandin dehydrogenase
(15-PGDH) numbering), is often found in a conserved
YXXXK pattern. In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) or additional
Ser, contributing to the active site. Substrates for
these enzymes include sugars, steroids, alcohols, and
aromatic compounds. The standard reaction mechanism is a
proton relay involving the conserved Tyr and Lys, as
well as Asn (or Ser). Some SDR family members, including
17 beta-hydroxysteroid dehydrogenase contain an
additional helix-turn-helix motif that is not generally
found among SDRs.
Length = 233
Score = 67.0 bits (164), Expect = 2e-13
Identities = 50/178 (28%), Positives = 78/178 (43%), Gaps = 12/178 (6%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPN----VQTVQVDLQDWARTRA---- 74
GIGR ++ A ++ +++ L L + V D+ D A+
Sbjct: 11 GIGRATALAFAERGAKVVLAARSAEALHELAREVRELGGEAIAVVADVADAAQVERAADT 70
Query: 75 AVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
AV + G +D +NNA VA F RF D+ E +FDVN + + + +
Sbjct: 71 AVERFGRIDTWVNNAGVAVFGRFEDVTPEEF-RRVFDVNYLGHVYGTLAALPHL-RRRGG 128
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGP--YNIRVNSVQPTVVMT 190
G+++NV S+ G + YSASK A+ T ++ EL I V VQPT + T
Sbjct: 129 GALINVGSLLGYRSAPLQAAYSASKHAVRGFTESLRAELAHDGAPISVTLVQPTAMNT 186
>gnl|CDD|187639 cd08934, CAD_SDR_c, clavulanic acid dehydrogenase (CAD), classical
(c) SDR. CAD catalyzes the NADP-dependent reduction of
clavulanate-9-aldehyde to clavulanic acid, a
beta-lactamase inhibitor. SDRs are a functionally
diverse family of oxidoreductases that have a single
domain with a structurally conserved Rossmann fold
(alpha/beta folding pattern with a central beta-sheet),
an NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Classical SDRs are typically about
250 residues long, while extended SDRs are approximately
350 residues. Sequence identity between different SDR
enzymes are typically in the 15-30% range, but the
enzymes share the Rossmann fold NAD-binding motif and
characteristic NAD-binding and catalytic sequence
patterns. These enzymes catalyze a wide range of
activities including the metabolism of steroids,
cofactors, carbohydrates, lipids, aromatic compounds,
and amino acids, and act in redox sensing. Classical
SDRs have an TGXXX[AG]XG cofactor binding motif and a
YXXXK active site motif, with the Tyr residue of the
active site motif serving as a critical catalytic
residue (Tyr-151, human 15-hydroxyprostaglandin
dehydrogenase (15-PGDH) numbering). In addition to the
Tyr and Lys, there is often an upstream Ser (Ser-138,
15-PGDH numbering) and/or an Asn (Asn-107, 15-PGDH
numbering) contributing to the active site; while
substrate binding is in the C-terminal region, which
determines specificity. The standard reaction mechanism
is a 4-pro-S hydride transfer and proton relay involving
the conserved Tyr and Lys, a water molecule stabilized
by Asn, and nicotinamide. Extended SDRs have additional
elements in the C-terminal region, and typically have a
TGXXGXXG cofactor binding motif. Complex (multidomain)
SDRs such as ketoreductase domains of fatty acid
synthase have a GGXGXXG NAD(P)-binding motif and an
altered active site motif (YXXXN). Fungal type ketoacyl
reductases have a TGXXXGX(1-2)G NAD(P)-binding motif.
Some atypical SDRs have lost catalytic activity and/or
have an unusual NAD(P)-binding motif and missing or
unusual active site residues. Reactions catalyzed within
the SDR family include isomerization, decarboxylation,
epimerization, C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 243
Score = 66.8 bits (163), Expect = 2e-13
Identities = 43/178 (24%), Positives = 88/178 (49%), Gaps = 10/178 (5%)
Query: 23 GIGRCIVEKL-SQHEAIIIA---LSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSK 78
GIG L ++ A+ IA + + +A D L+ +++D+ D + AAV +
Sbjct: 14 GIGEATARALAAEGAAVAIAARRVDRLEALADELEAEGGKALVLELDVTDEQQVDAAVER 73
Query: 79 ----VGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
+G +D+L+NNA + D D + + D N+ ++ + + +
Sbjct: 74 TVEALGRLDILVNNAGIMLLGPVEDADTTDW-TRMIDTNLLGLMYTTHAALPHHLLRN-K 131
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
G+IVN+SS+AG+ A+ +Y+A+K +++ + + E+ +RV ++P V T++
Sbjct: 132 GTIVNISSVAGRVAVRNSAVYNATKFGVNAFSEGLRQEVTERGVRVVVIEPGTVDTEL 189
>gnl|CDD|187666 cd09806, type1_17beta-HSD-like_SDR_c, human estrogenic
17beta-hydroxysteroid dehydrogenase type 1 (type 1
17beta-HSD)-like, classical (c) SDRs.
17beta-hydroxysteroid dehydrogenases are a group of
isozymes that catalyze activation and inactivation of
estrogen and androgens. This classical SDR subgroup
includes human type 1 17beta-HSD, human retinol
dehydrogenase 8, zebrafish photoreceptor associated
retinol dehydrogenase type 2, and a chicken
ovary-specific 17beta-hydroxysteroid dehydrogenase. SDRs
are a functionally diverse family of oxidoreductases
that have a single domain with a structurally conserved
Rossmann fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRs are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes catalyze a
wide range of activities including the metabolism of
steroids, cofactors, carbohydrates, lipids, aromatic
compounds, and amino acids, and act in redox sensing.
Classical SDRs have an TGXXX[AG]XG cofactor binding
motif and a YXXXK active site motif, with the Tyr
residue of the active site motif serving as a critical
catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 258
Score = 66.7 bits (163), Expect = 3e-13
Identities = 43/147 (29%), Positives = 74/147 (50%), Gaps = 4/147 (2%)
Query: 59 VQTVQVDLQDWARTRAAVSKV--GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKA 116
++T+Q+D+ D AAV +V VDVL+ NA V L+ E+ + S+FDVN+
Sbjct: 55 LETLQLDVCDSKSVAAAVERVTERHVDVLVCNAGVGLLGP-LEALSEDAMASVFDVNVFG 113
Query: 117 VINISQVVSKTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPY 176
+ + Q M G I+ SS+ G L + +Y ASK AL+ + ++A++L P+
Sbjct: 114 TVRMLQAFLPDMKRRG-SGRILVTSSVGGLQGLPFNDVYCASKFALEGLCESLAVQLLPF 172
Query: 177 NIRVNSVQPTVVMTQMGRTGWSDPAKA 203
N+ ++ ++ V T P +
Sbjct: 173 NVHLSLIECGPVHTAFMEKVLGSPEEV 199
>gnl|CDD|211705 TIGR01963, PHB_DH, 3-hydroxybutyrate dehydrogenase. This model
represents a subfamily of the short chain
dehydrogenases. Characterized members so far as
3-hydroxybutyrate dehydrogenases and are found in
species that accumulate ester polmers called
polyhydroxyalkanoic acids (PHAs) under certain
conditions. Several members of the family are from
species not known to accumulate PHAs, including
Oceanobacillus iheyensis and Bacillus subtilis. However,
polymer formation is not required for there be a role
for 3-hydroxybutyrate dehydrogenase; it may be members
of this family have the same function in those species.
Length = 255
Score = 66.6 bits (163), Expect = 3e-13
Identities = 42/164 (25%), Positives = 71/164 (43%), Gaps = 34/164 (20%)
Query: 73 RAAVSKVGPVDVLINNAAV-----------ARFDRFLDIDEENLIDSIFDVNIKAVINIS 121
AA ++ G +D+L+NNA + +DR + + ++ S F I+A +
Sbjct: 70 AAAAAEFGGLDILVNNAGIQHVAPIEEFPPEDWDRIIAV----MLTSAF-HTIRAALPH- 123
Query: 122 QVVSKTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVN 181
+ + G I+N++S G A + Y A+K L +T+ +ALE+ + I VN
Sbjct: 124 -------MKKQGWGRIINIASAHGLVASPFKSAYVAAKHGLIGLTKVLALEVAEHGITVN 176
Query: 182 SVQPTVVMTQMGRTGWSDPAKA----------GPMLAKTPLGRF 215
++ P V T + +D AK ML P RF
Sbjct: 177 AICPGYVRTPLVEKQIADQAKTRGIPEEQVIREVMLKGQPTKRF 220
>gnl|CDD|235633 PRK05872, PRK05872, short chain dehydrogenase; Provisional.
Length = 296
Score = 66.5 bits (163), Expect = 5e-13
Identities = 49/196 (25%), Positives = 87/196 (44%), Gaps = 10/196 (5%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPN---VQTVQVDLQDWARTRAAVSKV 79
GIG + +L A + + +A L +L V TV D+ D A +AA +
Sbjct: 20 GIGAELARRLHARGAKLALVDLEEAELAALAAELGGDDRVLTVVADVTDLAAMQAAAEEA 79
Query: 80 ----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQG 135
G +DV++ NA +A +D + + DVN+ V + + +I+ + G
Sbjct: 80 VERFGGIDVVVANAGIASGGSVAQVDPD-AFRRVIDVNLLGVFHTVRATLPALIERR--G 136
Query: 136 SIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRT 195
++ VSS+A A G Y ASKA +++ + LE+ + + V S + + T + R
Sbjct: 137 YVLQVSSLAAFAAAPGMAAYCASKAGVEAFANALRLEVAHHGVTVGSAYLSWIDTDLVRD 196
Query: 196 GWSDPAKAGPMLAKTP 211
+D + A+ P
Sbjct: 197 ADADLPAFRELRARLP 212
>gnl|CDD|236057 PRK07578, PRK07578, short chain dehydrogenase; Provisional.
Length = 199
Score = 64.4 bits (158), Expect = 9e-13
Identities = 49/178 (27%), Positives = 80/178 (44%), Gaps = 29/178 (16%)
Query: 24 IGRCIVEKLSQ-HEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKVGPV 82
IGR +V +LS+ HE +I ++ + VQVD+ D A RA KVG V
Sbjct: 12 IGRAVVAELSKRHE--VITAGRSSGD-------------VQVDITDPASIRALFEKVGKV 56
Query: 83 DVLINNAAVARFDRFLDIDEENLIDSIFDVNIKA----VINISQVVSKTMIDHKIQGSIV 138
D +++ A F ++ +E+ F+V +++ +N+ + + D GS
Sbjct: 57 DAVVSAAGKVHFAPLAEMTDED-----FNVGLQSKLMGQVNLVLIGQHYLNDG---GSFT 108
Query: 139 NVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRTG 196
S I + G + AL+ + ALEL P IR+N V PTV+ + + G
Sbjct: 109 LTSGILSDEPIPGGASAATVNGALEGFVKAAALEL-PRGIRINVVSPTVLTESLEKYG 165
>gnl|CDD|183772 PRK12823, benD, 1,6-dihydroxycyclohexa-2,4-diene-1-carboxylate
dehydrogenase; Provisional.
Length = 260
Score = 65.0 bits (159), Expect = 1e-12
Identities = 52/179 (29%), Positives = 81/179 (45%), Gaps = 28/179 (15%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKT---QANLDSLKQAFPNVQTVQVDLQDWARTR----AA 75
GIGR + + + A ++ + ++ L+ A + DL+ +A + AA
Sbjct: 19 GIGRGVALRAAAEGARVVLVDRSELVHEVAAELRAAGGEALALTADLETYAGAQAAMAAA 78
Query: 76 VSKVGPVDVLINNAAVA-RFDRFLDIDEENLIDSIFDVNIKAVINIS--------QVVSK 126
V G +DVLINN F + +EE I+A I S + V
Sbjct: 79 VEAFGRIDVLINNVGGTIWAKPFEEYEEEQ---------IEAEIRRSLFPTLWCCRAVLP 129
Query: 127 TMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQP 185
M+ G+IVNVSSIA T YSA+K ++++T ++A E + IRVN+V P
Sbjct: 130 HMLAQG-GGAIVNVSSIA--TRGINRVPYSAAKGGVNALTASLAFEYAEHGIRVNAVAP 185
>gnl|CDD|183719 PRK12747, PRK12747, short chain dehydrogenase; Provisional.
Length = 252
Score = 64.7 bits (157), Expect = 2e-12
Identities = 49/154 (31%), Positives = 76/154 (49%), Gaps = 11/154 (7%)
Query: 47 ANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKVGPVDVLINNAAVARFDRFLDIDEENLI 106
ANL+SL V+ + L + + R +K D+LINNA + F++ E
Sbjct: 61 ANLESLH----GVEALYSSLDNELQNRTGSTKF---DILINNAGIGP-GAFIEETTEQFF 112
Query: 107 DSIFDVNIKAVINISQVVSKTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSIT 166
D + VN KA I Q + D+ I+N+SS A + +L YS +K A++++T
Sbjct: 113 DRMVSVNAKAPFFIIQQALSRLRDNS---RIINISSAATRISLPDFIAYSMTKGAINTMT 169
Query: 167 RTMALELGPYNIRVNSVQPTVVMTQMGRTGWSDP 200
T+A +LG I VN++ P + T M SDP
Sbjct: 170 FTLAKQLGARGITVNAILPGFIKTDMNAELLSDP 203
>gnl|CDD|187638 cd08933, RDH_SDR_c, retinal dehydrogenase-like, classical (c) SDR.
These classical SDRs includes members identified as
retinol dehydrogenases, which convert retinol to
retinal, a property that overlaps with 17betaHSD
activity. 17beta-dehydrogenases are a group of isozymes
that catalyze activation and inactivation of estrogen
and androgens, and include members of the short-chain
dehydrogenases/reductase family. SDRs are a functionally
diverse family of oxidoreductases that have a single
domain with a structurally conserved Rossmann fold
(alpha/beta folding pattern with a central beta-sheet),
an NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Classical SDRs are typically about
250 residues long, while extended SDRs are approximately
350 residues. Sequence identity between different SDR
enzymes are typically in the 15-30% range, but the
enzymes share the Rossmann fold NAD-binding motif and
characteristic NAD-binding and catalytic sequence
patterns. These enzymes catalyze a wide range of
activities including the metabolism of steroids,
cofactors, carbohydrates, lipids, aromatic compounds,
and amino acids, and act in redox sensing. Classical
SDRs have an TGXXX[AG]XG cofactor binding motif and a
YXXXK active site motif, with the Tyr residue of the
active site motif serving as a critical catalytic
residue (Tyr-151, human 15-hydroxyprostaglandin
dehydrogenase (15-PGDH) numbering). In addition to the
Tyr and Lys, there is often an upstream Ser (Ser-138,
15-PGDH numbering) and/or an Asn (Asn-107, 15-PGDH
numbering) contributing to the active site; while
substrate binding is in the C-terminal region, which
determines specificity. The standard reaction mechanism
is a 4-pro-S hydride transfer and proton relay involving
the conserved Tyr and Lys, a water molecule stabilized
by Asn, and nicotinamide. Extended SDRs have additional
elements in the C-terminal region, and typically have a
TGXXGXXG cofactor binding motif. Complex (multidomain)
SDRs such as ketoreductase domains of fatty acid
synthase have a GGXGXXG NAD(P)-binding motif and an
altered active site motif (YXXXN). Fungal type ketoacyl
reductases have a TGXXXGX(1-2)G NAD(P)-binding motif.
Some atypical SDRs have lost catalytic activity and/or
have an unusual NAD(P)-binding motif and missing or
unusual active site residues. Reactions catalyzed within
the SDR family include isomerization, decarboxylation,
epimerization, C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 261
Score = 64.5 bits (157), Expect = 2e-12
Identities = 55/220 (25%), Positives = 92/220 (41%), Gaps = 45/220 (20%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAF-----PNVQTVQVDLQDWARTRAAVS 77
GIGR IV ++ A ++ ++ +A +L+ + + V D+ + +S
Sbjct: 20 GIGRGIVRAFVENGAKVVFCARGEAAGQALESELNRAGPGSCKFVPCDVTKEEDIKTLIS 79
Query: 78 KV----GPVDVLINNAAV---------ARFDRFLDIDEENLIDSIFDVNIKAVINISQVV 124
G +D L+NNA F D+ NLI S F +
Sbjct: 80 VTVERFGRIDCLVNNAGWHPPHQTTDETSAQEFRDLLNLNLI-SYF------------LA 126
Query: 125 SKTMIDH--KIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNS 182
SK + H K QG+I+N+SS+ G + Y A+K A+ ++T+ +A++ Y +RVN
Sbjct: 127 SKYALPHLRKSQGNIINLSSLVGSIGQKQAAPYVATKGAITAMTKALAVDESRYGVRVNC 186
Query: 183 VQPTVVMTQMGRTGWSDPAKAGPMLAKT--------PLGR 214
+ P + T + W + A P T LGR
Sbjct: 187 ISPGNIWTPL----WEELAAQTPDTLATIKEGELAQLLGR 222
>gnl|CDD|236207 PRK08261, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 450
Score = 65.6 bits (161), Expect = 2e-12
Identities = 52/184 (28%), Positives = 88/184 (47%), Gaps = 25/184 (13%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQA--NLDSLKQAFPNVQTVQVD---------LQDWAR 71
GIG I E L++ A ++ L A L ++ + +D + +
Sbjct: 221 GIGAAIAEVLARDGAHVVCLDVPAAGEALAAVANRV-GGTALALDITAPDAPARIAEHLA 279
Query: 72 TRAAVSKVGPVDVLINNAAVARFDRFL-DIDEENLIDSIFDVNIKAVINISQVV--SKTM 128
R G +D++++NA + R D+ L ++DE DS+ VN+ A + I++ + + +
Sbjct: 280 ERH-----GGLDIVVHNAGITR-DKTLANMDEARW-DSVLAVNLLAPLRITEALLAAGAL 332
Query: 129 IDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVV 188
D G IV VSSI+G G T Y+ASKA + + + +A L I +N+V P +
Sbjct: 333 GD---GGRIVGVSSISGIAGNRGQTNYAASKAGVIGLVQALAPLLAERGITINAVAPGFI 389
Query: 189 MTQM 192
TQM
Sbjct: 390 ETQM 393
>gnl|CDD|180993 PRK07478, PRK07478, short chain dehydrogenase; Provisional.
Length = 254
Score = 64.2 bits (157), Expect = 2e-12
Identities = 51/188 (27%), Positives = 86/188 (45%), Gaps = 12/188 (6%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSL----KQAFPNVQTVQVDLQDWARTRA---- 74
GIGR + ++ A ++ ++ QA LD L + + D++D A +A
Sbjct: 17 GIGRAAAKLFAREGAKVVVGARRQAELDQLVAEIRAEGGEAVALAGDVRDEAYAKALVAL 76
Query: 75 AVSKVGPVDVLINNA-AVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
AV + G +D+ NNA + ++ E +++ N+ + ++ M+
Sbjct: 77 AVERFGGLDIAFNNAGTLGEMGPVAEMSLEGWRETL-ATNLTSAFLGAKHQIPAMLARG- 134
Query: 134 QGSIVNVSSIAGKTA-LEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
GS++ S+ G TA G Y+ASKA L +T+ +A E G IRVN++ P T M
Sbjct: 135 GGSLIFTSTFVGHTAGFPGMAAYAASKAGLIGLTQVLAAEYGAQGIRVNALLPGGTDTPM 194
Query: 193 GRTGWSDP 200
GR P
Sbjct: 195 GRAMGDTP 202
>gnl|CDD|235910 PRK07024, PRK07024, short chain dehydrogenase; Provisional.
Length = 257
Score = 64.2 bits (157), Expect = 3e-12
Identities = 46/184 (25%), Positives = 80/184 (43%), Gaps = 18/184 (9%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQV---DLQDWARTRAA---- 75
GIG+ + + ++ A + +++ L + P V V D++D AA
Sbjct: 13 GIGQALAREYARQGATLGLVARRTDALQAFAARLPKAARVSVYAADVRDADALAAAAADF 72
Query: 76 VSKVGPVDVLINNAAVARFDRFLDIDEENLID-----SIFDVNIKAVINISQVVSKTMID 130
++ G DV+I NA ++ E D + D N ++ Q M
Sbjct: 73 IAAHGLPDVVIANAGISV-----GTLTEEREDLAVFREVMDTNYFGMVATFQPFIAPMRA 127
Query: 131 HKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT 190
+ +G++V ++S+AG L G YSASKAA ++ +EL P +RV ++ P + T
Sbjct: 128 AR-RGTLVGIASVAGVRGLPGAGAYSASKAAAIKYLESLRVELRPAGVRVVTIAPGYIRT 186
Query: 191 QMGR 194
M
Sbjct: 187 PMTA 190
>gnl|CDD|236399 PRK09186, PRK09186, flagellin modification protein A; Provisional.
Length = 256
Score = 63.9 bits (156), Expect = 3e-12
Identities = 45/188 (23%), Positives = 84/188 (44%), Gaps = 31/188 (16%)
Query: 24 IGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQT---------VQVDLQDWARTRA 74
IG +V+ + + I+IA + ++L + ++ V++D+ D
Sbjct: 16 IGSALVKAILEAGGIVIA---ADIDKEALNELLESLGKEFKSKKLSLVELDITDQESLEE 72
Query: 75 AVSKV----GPVDVLINNAAVARFD---RFLDIDEENLIDSIFDVNIKAVINISQVVSKT 127
+SK G +D +N A D +F D+ ++ +++ +++ + SQ +K
Sbjct: 73 FLSKSAEKYGKIDGAVNCAYPRNKDYGKKFFDVSLDDFNENL-SLHLGSSFLFSQQFAKY 131
Query: 128 MIDHKIQGSIVNVSSIAGKTA-----LEGHTI-----YSASKAALDSITRTMALELGPYN 177
G++VN+SSI G A EG ++ Y+A KA + +T+ +A N
Sbjct: 132 FKKQG-GGNLVNISSIYGVVAPKFEIYEGTSMTSPVEYAAIKAGIIHLTKYLAKYFKDSN 190
Query: 178 IRVNSVQP 185
IRVN V P
Sbjct: 191 IRVNCVSP 198
>gnl|CDD|187662 cd09761, A3DFK9-like_SDR_c, Clostridium thermocellum A3DFK9-like, a
putative carbohydrate or polyalcohol metabolizing SDR,
classical (c) SDRs. This subgroup includes a putative
carbohydrate or polyalcohol metabolizing SDR (A3DFK9)
from Clostridium thermocellum. Its members have a
TGXXXGXG classical-SDR glycine-rich NAD-binding motif,
and some have a canonical SDR active site tetrad (A3DFK9
lacks the upstream Asn). SDRs are a functionally diverse
family of oxidoreductases that have a single domain with
a structurally conserved Rossmann fold (alpha/beta
folding pattern with a central beta-sheet), an
NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Classical SDRs are typically about
250 residues long, while extended SDRs are approximately
350 residues. Sequence identity between different SDR
enzymes are typically in the 15-30% range, but the
enzymes share the Rossmann fold NAD-binding motif and
characteristic NAD-binding and catalytic sequence
patterns. These enzymes catalyze a wide range of
activities including the metabolism of steroids,
cofactors, carbohydrates, lipids, aromatic compounds,
and amino acids, and act in redox sensing. Classical
SDRs have an TGXXX[AG]XG cofactor binding motif and a
YXXXK active site motif, with the Tyr residue of the
active site motif serving as a critical catalytic
residue (Tyr-151, human 15-hydroxyprostaglandin
dehydrogenase (15-PGDH) numbering). In addition to the
Tyr and Lys, there is often an upstream Ser (Ser-138,
15-PGDH numbering) and/or an Asn (Asn-107, 15-PGDH
numbering) contributing to the active site; while
substrate binding is in the C-terminal region, which
determines specificity. The standard reaction mechanism
is a 4-pro-S hydride transfer and proton relay involving
the conserved Tyr and Lys, a water molecule stabilized
by Asn, and nicotinamide. Extended SDRs have additional
elements in the C-terminal region, and typically have a
TGXXGXXG cofactor binding motif. Complex (multidomain)
SDRs such as ketoreductase domains of fatty acid
synthase have a GGXGXXG NAD(P)-binding motif and an
altered active site motif (YXXXN). Fungal type ketoacyl
reductases have a TGXXXGX(1-2)G NAD(P)-binding motif.
Some atypical SDRs have lost catalytic activity and/or
have an unusual NAD(P)-binding motif and missing or
unusual active site residues. Reactions catalyzed within
the SDR family include isomerization, decarboxylation,
epimerization, C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 242
Score = 63.4 bits (154), Expect = 4e-12
Identities = 48/168 (28%), Positives = 77/168 (45%), Gaps = 9/168 (5%)
Query: 23 GIGRCIVEKLSQH-EAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWART----RAAVS 77
GIG+ I + + ++ A + D + PN+ V D+ D A +
Sbjct: 12 GIGKQICLDFLEAGDKVVFADIDEERGADFAEAEGPNLFFVHGDVADETLVKFVVYAMLE 71
Query: 78 KVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSI 137
K+G +DVL+NNAA + E D I VN+ +S+ +I +K G I
Sbjct: 72 KLGRIDVLVNNAARGSKGILSSLLLEEW-DRILSVNLTGPYELSRYCRDELIKNK--GRI 128
Query: 138 VNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQP 185
+N++S + Y+ASK L ++T +A+ LGP IRVN + P
Sbjct: 129 INIASTRAFQSEPDSEAYAASKGGLVALTHALAMSLGPD-IRVNCISP 175
>gnl|CDD|236056 PRK07576, PRK07576, short chain dehydrogenase; Provisional.
Length = 264
Score = 63.1 bits (154), Expect = 6e-12
Identities = 51/173 (29%), Positives = 84/173 (48%), Gaps = 15/173 (8%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDS----LKQAFPNVQTVQVDLQDWARTRAAVSK 78
GI I + ++ A + S++Q +D+ L+QA P V D++D+A AA ++
Sbjct: 20 GINLGIAQAFARAGANVAVASRSQEKVDAAVAQLQQAGPEGLGVSADVRDYAAVEAAFAQ 79
Query: 79 V----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDH--K 132
+ GP+DVL++ AA F N ++ D+++ N V K +
Sbjct: 80 IADEFGPIDVLVSGAA-GNFPAPAAGMSANGFKTVVDIDLLGTFN----VLKAAYPLLRR 134
Query: 133 IQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQP 185
SI+ +S+ + A+KA +D +TRT+ALE GP IRVNS+ P
Sbjct: 135 PGASIIQISAPQAFVPMPMQAHVCAAKAGVDMLTRTLALEWGPEGIRVNSIVP 187
>gnl|CDD|180371 PRK06057, PRK06057, short chain dehydrogenase; Provisional.
Length = 255
Score = 62.1 bits (151), Expect = 1e-11
Identities = 54/206 (26%), Positives = 91/206 (44%), Gaps = 19/206 (9%)
Query: 23 GIGRCIVEKLSQHEAII----IALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRA---- 74
GIG +L+ A + I +A D + F V D+ D A
Sbjct: 18 GIGLATARRLAAEGATVVVGDIDPEAGKAAADEVGGLF-----VPTDVTDEDAVNALFDT 72
Query: 75 AVSKVGPVDVLINNAAVA--RFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHK 132
A G VD+ NNA ++ D L+ + + DVN+ +V + M+
Sbjct: 73 AAETYGSVDIAFNNAGISPPEDDSILNTGLDAW-QRVQDVNLTSVYLCCKAALPHMVRQG 131
Query: 133 IQGSIVNVSS-IAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQ 191
+GSI+N +S +A + Y+ASK + +++R + ++ IRVN++ P V T
Sbjct: 132 -KGSIINTASFVAVMGSATSQISYTASKGGVLAMSRELGVQFARQGIRVNALCPGPVNTP 190
Query: 192 MGRTGWS-DPAKAGPMLAKTPLGRFA 216
+ + ++ DP +A L P+GRFA
Sbjct: 191 LLQELFAKDPERAARRLVHVPMGRFA 216
>gnl|CDD|180796 PRK07023, PRK07023, short chain dehydrogenase; Provisional.
Length = 243
Score = 62.0 bits (151), Expect = 1e-11
Identities = 49/195 (25%), Positives = 90/195 (46%), Gaps = 11/195 (5%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKV--- 79
G+G + E+L Q ++ ++++ + A + V++DL D A A ++
Sbjct: 12 GLGAALAEQLLQPGIAVLGVARS-RHPSLAAAAGERLAEVELDLSDAAAAAAWLAGDLLA 70
Query: 80 GPVD-----VLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
VD +LINNA L + I +N+ A + ++ +++ +
Sbjct: 71 AFVDGASRVLLINNAGTVEPIGPLATLDAAAIARAVGLNVAAPLMLTAALAQA-ASDAAE 129
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGR 194
I+++SS A + A G ++Y A+KAALD R +AL+ +R+ S+ P VV T M
Sbjct: 130 RRILHISSGAARNAYAGWSVYCATKAALDHHARAVALD-ANRALRIVSLAPGVVDTGMQA 188
Query: 195 TGWSDPAKAGPMLAK 209
T + + PM +
Sbjct: 189 TIRATDEERFPMRER 203
>gnl|CDD|187535 cd02266, SDR, Short-chain dehydrogenases/reductases (SDR). SDRs
are a functionally diverse family of oxidoreductases
that have a single domain with a structurally conserved
Rossmann fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRs are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes catalyze a
wide range of activities including the metabolism of
steroids, cofactors, carbohydrates, lipids, aromatic
compounds, and amino acids, and act in redox sensing.
Classical SDRs have an TGXXX[AG]XG cofactor binding
motif and a YXXXK active site motif, with the Tyr
residue of the active site motif serving as a critical
catalytic residue (Tyr-151, human prostaglandin
dehydrogenase (PGDH) numbering). In addition to the Tyr
and Lys, there is often an upstream Ser (Ser-138, PGDH
numbering) and/or an Asn (Asn-107, PGDH numbering)
contributing to the active site; while substrate binding
is in the C-terminal region, which determines
specificity. The standard reaction mechanism is a
4-pro-S hydride transfer and proton relay involving the
conserved Tyr and Lys, a water molecule stabilized by
Asn, and nicotinamide. Extended SDRs have additional
elements in the C-terminal region, and typically have a
TGXXGXXG cofactor binding motif. Complex (multidomain)
SDRs such as ketoreductase (KR) domains of fatty acid
synthase have a GGXGXXG NAD(P)-binding motif and an
altered active site motif (YXXXN). Fungal type KRs have
a TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 186
Score = 60.6 bits (147), Expect = 2e-11
Identities = 39/160 (24%), Positives = 62/160 (38%), Gaps = 16/160 (10%)
Query: 71 RTRAAVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMID 130
R V V DV+++NAA+ R +D+ I+ N+ + + + M
Sbjct: 21 RGSPKVLVVSRRDVVVHNAAILDDGRLIDLTGSR-IERAIRANVVGTRRLLEAARELM-K 78
Query: 131 HKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT 190
K G + +SS+AG G Y+ASKAALD + + A E + +V
Sbjct: 79 AKRLGRFILISSVAGLFGAPGLGGYAASKAALDGLAQQWASEGWGNGLPATAVAC----- 133
Query: 191 QMGRTGWSDPAKAGPMLAKTPLGRFAGKLKPKPWNRWLLP 230
G AG +AK P+ + R + P
Sbjct: 134 -----GTW----AGSGMAKGPVAPEEILGNRRHGVRTMPP 164
>gnl|CDD|235813 PRK06482, PRK06482, short chain dehydrogenase; Provisional.
Length = 276
Score = 60.5 bits (147), Expect = 6e-11
Identities = 54/201 (26%), Positives = 93/201 (46%), Gaps = 15/201 (7%)
Query: 23 GIGRCIVEKL-SQHEAIIIALSKTQANLDSLKQAFPN-VQTVQVDLQDWARTRAAVSK-- 78
G GR + E+L ++ + + + + A LD LK + + + +Q+D+ D A RA V +
Sbjct: 13 GFGRGMTERLLARGDRVAATVRRPDA-LDDLKARYGDRLWVLQLDVTDSAAVRAVVDRAF 71
Query: 79 --VGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ-- 134
+G +DV+++NA F ++ + + I D N+ I QV+ + + Q
Sbjct: 72 AALGRIDVVVSNAGYGLFGAAEELSDAQIRRQI-DTNLIGSI---QVIRAALPHLRRQGG 127
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGR 194
G IV VSS G+ A G ++Y A+K ++ +A E+ P+ I V+P T G
Sbjct: 128 GRIVQVSSEGGQIAYPGFSLYHATKWGIEGFVEAVAQEVAPFGIEFTIVEPGPARTNFGA 187
Query: 195 TGWSDPAKAGPMLAKTPLGRF 215
D TP+G
Sbjct: 188 G--LDRGAPLDAYDDTPVGDL 206
>gnl|CDD|183718 PRK12746, PRK12746, short chain dehydrogenase; Provisional.
Length = 254
Score = 59.7 bits (144), Expect = 9e-11
Identities = 49/196 (25%), Positives = 89/196 (45%), Gaps = 25/196 (12%)
Query: 23 GIGRCIVEKLSQHEAIII------------ALSKTQAN------LDSLKQAFPNVQTVQV 64
GIGR I +L+ A++ + + ++N +++ + V+ +
Sbjct: 17 GIGRAIAMRLANDGALVAIHYGRNKQAADETIREIESNGGKAFLIEADLNSIDGVKKLVE 76
Query: 65 DLQDWARTRAAVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVV 124
L++ + R S++ D+L+NNA + + EE + D I VNIKA + Q
Sbjct: 77 QLKNELQIRVGTSEI---DILVNNAGIGTQGTIENTTEE-IFDEIMAVNIKAPFFLIQ-- 130
Query: 125 SKTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQ 184
+T+ + +G ++N+SS + G Y SK AL+++T +A LG I VN++
Sbjct: 131 -QTLPLLRAEGRVINISSAEVRLGFTGSIAYGLSKGALNTMTLPLAKHLGERGITVNTIM 189
Query: 185 PTVVMTQMGRTGWSDP 200
P T + DP
Sbjct: 190 PGYTKTDINAKLLDDP 205
>gnl|CDD|184025 PRK13394, PRK13394, 3-hydroxybutyrate dehydrogenase; Provisional.
Length = 262
Score = 59.9 bits (145), Expect = 1e-10
Identities = 49/211 (23%), Positives = 86/211 (40%), Gaps = 19/211 (9%)
Query: 23 GIGRCIVEKLSQHEA--IIIALSKTQAN--LDSLKQAFPNVQTVQVDLQDWARTRAAVSK 78
GIG+ I +L++ A I L++ AN D + +A V +D+ + A + K
Sbjct: 18 GIGKEIALELARAGAAVAIADLNQDGANAVADEINKAGGKAIGVAMDVTNEDAVNAGIDK 77
Query: 79 V----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
V G VD+L++NA + + + + + +++ ++ K M
Sbjct: 78 VAERFGSVDILVSNAGIQIVNPIENYSFADW-KKMQAIHVDGAFLTTKAALKHMYKDDRG 136
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT---- 190
G ++ + S+ A + Y +K L + R +A E +N+R + V P V T
Sbjct: 137 GVVIYMGSVHSHEASPLKSAYVTAKHGLLGLARVLAKEGAKHNVRSHVVCPGFVRTPLVD 196
Query: 191 -----QMGRTGWS-DPAKAGPMLAKTPLGRF 215
Q G S + ML KT G F
Sbjct: 197 KQIPEQAKELGISEEEVVKKVMLGKTVDGVF 227
>gnl|CDD|166421 PLN02780, PLN02780, ketoreductase/ oxidoreductase.
Length = 320
Score = 59.9 bits (145), Expect = 1e-10
Identities = 53/190 (27%), Positives = 92/190 (48%), Gaps = 22/190 (11%)
Query: 20 PKPGIGRCIVEKLSQHEAIIIALSKTQANL----DSLKQAFPNVQ--TVQVDL-----QD 68
P GIG+ +L++ ++ +++ L DS++ + Q TV VD +
Sbjct: 61 PTDGIGKGFAFQLARKGLNLVLVARNPDKLKDVSDSIQSKYSKTQIKTVVVDFSGDIDEG 120
Query: 69 WARTRAAVSKVGPVDVLINNAAV----ARFDRFLDIDEENLIDSIFDVNIKAVINISQVV 124
R + + + V VLINN V ARF F ++DEE L+ ++ VN++ ++Q V
Sbjct: 121 VKRIKETIEGLD-VGVLINNVGVSYPYARF--FHEVDEE-LLKNLIKVNVEGTTKVTQAV 176
Query: 125 SKTMIDHKIQGSIVNVSSIAGKTALEG--HTIYSASKAALDSITRTMALELGPYNIRVNS 182
M+ K +G+I+N+ S A + +Y+A+KA +D +R + +E I V
Sbjct: 177 LPGMLKRK-KGAIINIGSGAAIVIPSDPLYAVYAATKAYIDQFSRCLYVEYKKSGIDVQC 235
Query: 183 VQPTVVMTQM 192
P V T+M
Sbjct: 236 QVPLYVATKM 245
>gnl|CDD|235631 PRK05866, PRK05866, short chain dehydrogenase; Provisional.
Length = 293
Score = 59.4 bits (144), Expect = 1e-10
Identities = 49/188 (26%), Positives = 92/188 (48%), Gaps = 27/188 (14%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLK----QAFPNVQTVQVDLQDWARTRAAVSK 78
GIG E+ ++ A ++A+++ + LD++ +A + V DL D A V+
Sbjct: 51 GIGEAAAEQFARRGATVVAVARREDLLDAVADRITRAGGDAMAVPCDLSDLDAVDALVAD 110
Query: 79 V----GPVDVLINNAA--VAR-----FDRFLDIDEENLIDSIFDVNIKAVINISQVVSKT 127
V G VD+LINNA + R DR+ D++ +N A + + + ++
Sbjct: 111 VEKRIGGVDILINNAGRSIRRPLAESLDRWHDVER------TMVLNYYAPLRLIRGLAPG 164
Query: 128 MIDHKIQGSIVNVSS---IAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQ 184
M++ G I+NV++ ++ + L +Y+ASKAAL +++R + E G + ++
Sbjct: 165 MLERG-DGHIINVATWGVLSEASPLFS--VYNASKAALSAVSRVIETEWGDRGVHSTTLY 221
Query: 185 PTVVMTQM 192
+V T M
Sbjct: 222 YPLVATPM 229
>gnl|CDD|180300 PRK05875, PRK05875, short chain dehydrogenase; Provisional.
Length = 276
Score = 58.3 bits (141), Expect = 4e-10
Identities = 28/81 (34%), Positives = 41/81 (50%)
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGR 194
GS V +SSIA Y +K+A+D + + A ELGP +RVNS++P ++ T +
Sbjct: 139 GSFVGISSIAASNTHRWFGAYGVTKSAVDHLMKLAADELGPSWVRVNSIRPGLIRTDLVA 198
Query: 195 TGWSDPAKAGPMLAKTPLGRF 215
P + A TPL R
Sbjct: 199 PITESPELSADYRACTPLPRV 219
>gnl|CDD|187644 cd08940, HBDH_SDR_c, d-3-hydroxybutyrate dehydrogenase (HBDH),
classical (c) SDRs. DHBDH, an NAD+ -dependent enzyme,
catalyzes the interconversion of D-3-hydroxybutyrate and
acetoacetate. It is a classical SDR, with the canonical
NAD-binding motif and active site tetrad. SDRs are a
functionally diverse family of oxidoreductases that have
a single domain with a structurally conserved Rossmann
fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRs are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes catalyze a
wide range of activities including the metabolism of
steroids, cofactors, carbohydrates, lipids, aromatic
compounds, and amino acids, and act in redox sensing.
Classical SDRs have an TGXXX[AG]XG cofactor binding
motif and a YXXXK active site motif, with the Tyr
residue of the active site motif serving as a critical
catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 258
Score = 55.9 bits (135), Expect = 2e-09
Identities = 48/192 (25%), Positives = 82/192 (42%), Gaps = 12/192 (6%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLD-SLKQAFPNVQTVQV-----DLQDWARTRAAV 76
GIG I L+ A I+ A +++ V+V DL A V
Sbjct: 13 GIGLGIARALAAAGANIVLNGFGDAAEIEAVRAGLAAKHGVKVLYHGADLSKPAAIEDMV 72
Query: 77 SKV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHK 132
+ G VD+L+NNA + D E D+I +N+ AV + +++ M +
Sbjct: 73 AYAQRQFGGVDILVNNAGIQHVAPIEDFPTEKW-DAIIALNLSAVFHTTRLALPHM-KKQ 130
Query: 133 IQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
G I+N++S+ G A + Y A+K + +T+ +ALE + N++ P V+T +
Sbjct: 131 GWGRIINIASVHGLVASANKSAYVAAKHGVVGLTKVVALETAGTGVTCNAICPGWVLTPL 190
Query: 193 GRTGWSDPAKAG 204
S A+
Sbjct: 191 VEKQISALAQKN 202
>gnl|CDD|236173 PRK08177, PRK08177, short chain dehydrogenase; Provisional.
Length = 225
Score = 55.4 bits (134), Expect = 2e-09
Identities = 49/178 (27%), Positives = 80/178 (44%), Gaps = 11/178 (6%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKVG-- 80
G+G +V++L + + A + +L QA P V ++D+ D A + ++
Sbjct: 12 GLGLGLVDRLLERGWQVTATVRGPQQDTAL-QALPGVHIEKLDMNDPASLDQLLQRLQGQ 70
Query: 81 PVDVLINNAAVA--RFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIV 138
D+L NA ++ D I +F N A I +++ + + QG +
Sbjct: 71 RFDLLFVNAGISGPAHQSAADATAAE-IGQLFLTNAIAPIRLARRLLGQV--RPGQGVLA 127
Query: 139 NVSSIAGKTALE---GHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
+SS G L +Y ASKAAL+S+TR+ ELG + V S+ P V T MG
Sbjct: 128 FMSSQLGSVELPDGGEMPLYKASKAALNSMTRSFVAELGEPTLTVLSMHPGWVKTDMG 185
>gnl|CDD|187665 cd09805, type2_17beta_HSD-like_SDR_c, human 17beta-hydroxysteroid
dehydrogenase type 2 (type 2 17beta-HSD)-like, classical
(c) SDRs. 17beta-hydroxysteroid dehydrogenases are a
group of isozymes that catalyze activation and
inactivation of estrogen and androgens. This
classical-SDR subgroup includes the human proteins: type
2 17beta-HSD, type 6 17beta-HSD, type 2 11beta-HSD,
dehydrogenase/reductase SDR family member 9,
short-chain dehydrogenase/reductase family 9C member 7,
3-hydroxybutyrate dehydrogenase type 1, and retinol
dehydrogenase 5. SDRs are a functionally diverse family
of oxidoreductases that have a single domain with a
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet), an NAD(P)(H)-binding
region, and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRs are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD-binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes catalyze a wide range of activities including
the metabolism of steroids, cofactors, carbohydrates,
lipids, aromatic compounds, and amino acids, and act in
redox sensing. Classical SDRs have an TGXXX[AG]XG
cofactor binding motif and a YXXXK active site motif,
with the Tyr residue of the active site motif serving as
a critical catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 281
Score = 55.7 bits (135), Expect = 3e-09
Identities = 37/141 (26%), Positives = 70/141 (49%), Gaps = 20/141 (14%)
Query: 57 PNVQTVQVDLQDWARTRAAV----SKVGPVDV--LINNAAVARFDRFLDIDEENLIDSIF 110
++T+Q+D+ + + A VG + L+NNA + F DEE L +
Sbjct: 48 DRLRTLQLDVTKPEQIKRAAQWVKEHVGEKGLWGLVNNAGILGFG----GDEELLPMDDY 103
Query: 111 ----DVNIKAVINISQVVSKTMID--HKIQGSIVNVSSIAGKTALEGHTIYSASKAALDS 164
+VN+ + V+K + + +G +VNVSS+ G+ Y ASKAA+++
Sbjct: 104 RKCMEVNLFGTVE----VTKAFLPLLRRAKGRVVNVSSMGGRVPFPAGGAYCASKAAVEA 159
Query: 165 ITRTMALELGPYNIRVNSVQP 185
+ ++ EL P+ ++V+ ++P
Sbjct: 160 FSDSLRRELQPWGVKVSIIEP 180
>gnl|CDD|187619 cd05361, haloalcohol_DH_SDR_c-like, haloalcohol dehalogenase,
classical (c) SDRs. Dehalogenases cleave carbon-halogen
bonds. Haloalcohol dehalogenase show low sequence
similarity to short-chain dehydrogenases/reductases
(SDRs). Like the SDRs, haloalcohol dehalogenases have a
conserved catalytic triad (Ser-Tyr-Lys/Arg), and form a
Rossmann fold. However, the normal classical SDR
NAD(P)-binding motif (TGXXGXG) and NAD-binding function
is replaced with a halide binding site, allowing the
enzyme to catalyze a dehalogenation reaction. SDRs are a
functionally diverse family of oxidoreductases that have
a single domain with a structurally conserved Rossmann
fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRs are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes catalyze a
wide range of activities including the metabolism of
steroids, cofactors, carbohydrates, lipids, aromatic
compounds, and amino acids, and act in redox sensing.
Classical SDRs have an TGXXX[AG]XG cofactor binding
motif and a YXXXK active site motif, with the Tyr
residue of the active site motif serving as a critical
catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 242
Score = 55.3 bits (133), Expect = 3e-09
Identities = 46/192 (23%), Positives = 78/192 (40%), Gaps = 8/192 (4%)
Query: 29 VEKLSQHEAIIIALSKTQANLDSLKQAFP--NVQTVQVDLQDWARTRAAV-SKVGPVDVL 85
E L++ ++ + A+ QAF N T + Q AV G +DVL
Sbjct: 18 AEALTEDGYTVVCHDASFADAAER-QAFESENPGTKALSEQKPEELVDAVLQAGGAIDVL 76
Query: 86 INNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIVNVSSIAG 145
++N + R +D E I F+ + Q M GSI+ ++S
Sbjct: 77 VSNDYIPRPMNPIDGTSEADIRQAFEALSIFPFALLQAAIAQMKKAG-GGSIIFITSAVP 135
Query: 146 KTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVM--TQMGRTGW-SDPAK 202
K L +++Y ++AA ++ ++A EL NI V ++ P T + W ++P
Sbjct: 136 KKPLAYNSLYGPARAAAVALAESLAKELSRDNILVYAIGPNFFNSPTYFPTSDWENNPEL 195
Query: 203 AGPMLAKTPLGR 214
+ PLGR
Sbjct: 196 RERVKRDVPLGR 207
>gnl|CDD|187664 cd09763, DHRS1-like_SDR_c, human dehydrogenase/reductase (SDR
family) member 1 (DHRS1) -like, classical (c) SDRs.
This subgroup includes human DHRS1 and related proteins.
These are members of the classical SDR family, with a
canonical Gly-rich NAD-binding motif and the typical
YXXXK active site motif. However, the rest of the
catalytic tetrad is not strongly conserved. DHRS1 mRNA
has been detected in many tissues, liver, heart,
skeletal muscle, kidney and pancreas; a longer
transcript is predominantly expressed in the liver , a
shorter one in the heart. SDRs are a functionally
diverse family of oxidoreductases that have a single
domain with a structurally conserved Rossmann fold
(alpha/beta folding pattern with a central beta-sheet),
an NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Classical SDRs are typically about
250 residues long, while extended SDRS are approximately
350 residues. Sequence identity between different SDR
enzymes are typically in the 15-30% range, but the
enzymes share the Rossmann fold NAD-binding motif and
characteristic NAD-binding and catalytic sequence
patterns. These enzymes have a 3-glycine N-terminal
NAD(P)(H)-binding pattern (typically, TGxxxGxG in
classical SDRs and TGxxGxxG in extended SDRs), while
substrate binding is in the C-terminal region. A
critical catalytic Tyr residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering), is often found in a conserved YXXXK pattern.
In addition to the Tyr and Lys, there is often an
upstream Ser (Ser-138, 15-PGDH numbering) and/or an Asn
(Asn-107, 15-PGDH numbering) or additional Ser,
contributing to the active site. Substrates for these
enzymes include sugars, steroids, alcohols, and aromatic
compounds. The standard reaction mechanism is a proton
relay involving the conserved Tyr and Lys, as well as
Asn (or Ser). Some SDR family members, including 17
beta-hydroxysteroid dehydrogenase contain an additional
helix-turn-helix motif that is not generally found among
SDRs.
Length = 265
Score = 55.1 bits (133), Expect = 3e-09
Identities = 51/189 (26%), Positives = 77/189 (40%), Gaps = 24/189 (12%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQ-------TVQVDLQDWARTRAA 75
GIGR I +L + A + +T L L ++ V+ D D A
Sbjct: 14 GIGRGIALQLGEAGATVYITGRTI--LPQLPGTAEEIEARGGKCIPVRCDHSDDDEVEAL 71
Query: 76 VSKV-----GPVDVLINNA-------AVARFDRFLDIDEENLIDSIFDVNIKAVINISQV 123
+V G +D+L+NNA V F + D I +V ++A S
Sbjct: 72 FERVAREQQGRLDILVNNAYAAVQLILVGVAKPFWEEPPTIW-DDINNVGLRAHYACSVY 130
Query: 124 VSKTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSV 183
+ M+ +G IV +SS G L Y KAA+D + MA EL P+ + V S+
Sbjct: 131 AAPLMVKAG-KGLIVIISSTGGLEYLFN-VAYGVGKAAIDRMAADMAHELKPHGVAVVSL 188
Query: 184 QPTVVMTQM 192
P V T++
Sbjct: 189 WPGFVRTEL 197
>gnl|CDD|235703 PRK06125, PRK06125, short chain dehydrogenase; Provisional.
Length = 259
Score = 54.7 bits (132), Expect = 5e-09
Identities = 47/184 (25%), Positives = 78/184 (42%), Gaps = 15/184 (8%)
Query: 44 KTQANLDSLKQAFP-NVQTVQVDLQDWARTRAAVSKVGPVDVLINNAAVARFDRFLDIDE 102
+A L+ A +V +DL ++ G +D+L+NNA D+D+
Sbjct: 43 ALEALAADLRAAHGVDVAVHALDLSSPEAREQLAAEAGDIDILVNNAGAIPGGGLDDVDD 102
Query: 103 ENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGS--IVNVSSIAGKTALEGHTIYSASKA 160
+ +++ + I+++++ M K +GS IVNV AG+ + SA A
Sbjct: 103 AAW-RAGWELKVFGYIDLTRLAYPRM---KARGSGVIVNVIGAAGENPDADYICGSAGNA 158
Query: 161 ALDSITRTMALELGPYNIRVNSVQPTVVMT--------QMGRTGWSDPAKAGPMLAKTPL 212
AL + TR + + +RV V P V T R D ++ +LA PL
Sbjct: 159 ALMAFTRALGGKSLDDGVRVVGVNPGPVATDRMLTLLKGRARAELGDESRWQELLAGLPL 218
Query: 213 GRFA 216
GR A
Sbjct: 219 GRPA 222
>gnl|CDD|169389 PRK08339, PRK08339, short chain dehydrogenase; Provisional.
Length = 263
Score = 54.9 bits (132), Expect = 5e-09
Identities = 39/176 (22%), Positives = 82/176 (46%), Gaps = 10/176 (5%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFP-----NVQTVQVDL---QDWARTRA 74
GIG + L++ A +I LS+ + NL ++ +V + DL +D RT
Sbjct: 19 GIGFGVARVLARAGADVILLSRNEENLKKAREKIKSESNVDVSYIVADLTKREDLERTVK 78
Query: 75 AVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQ 134
+ +G D+ + + F+++ E+ + + + + +++ + M + K
Sbjct: 79 ELKNIGEPDIFFFSTGGPKPGYFMEMSMEDW-EGAVKLLLYPAVYLTRALVPAM-ERKGF 136
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT 190
G I+ +S+A K + + + + ++ + RT+A ELGP I VN + P ++ T
Sbjct: 137 GRIIYSTSVAIKEPIPNIALSNVVRISMAGLVRTLAKELGPKGITVNGIMPGIIRT 192
>gnl|CDD|183716 PRK12744, PRK12744, short chain dehydrogenase; Provisional.
Length = 257
Score = 54.7 bits (132), Expect = 6e-09
Identities = 45/175 (25%), Positives = 71/175 (40%), Gaps = 18/175 (10%)
Query: 24 IGRCIVEKLSQHEAIIIAL------SKTQAN--LDSLKQAFPNVQTVQVDLQDWARTR-- 73
+G I L+ A +A+ SK A + ++K A Q DL A
Sbjct: 20 LGGLIARDLAAQGAKAVAIHYNSAASKADAEETVAAVKAAGAKAVAFQADLTTAAAVEKL 79
Query: 74 --AAVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDH 131
A + G D+ IN ++I E D +F VN K+ + + + D+
Sbjct: 80 FDDAKAAFGRPDIAINTVGKVLKKPIVEISEAEY-DEMFAVNSKSAFFFIKEAGRHLNDN 138
Query: 132 KIQGSIVN-VSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQP 185
G IV V+S+ G ++ Y+ SKA ++ TR + E G I V +V P
Sbjct: 139 ---GKIVTLVTSLLGAFT-PFYSAYAGSKAPVEHFTRAASKEFGARGISVTAVGP 189
>gnl|CDD|187630 cd05372, ENR_SDR, Enoyl acyl carrier protein (ACP) reductase (ENR),
divergent SDR. This bacterial subgroup of ENRs includes
Escherichia coli ENR. ENR catalyzes the
NAD(P)H-dependent reduction of enoyl-ACP in the last
step of fatty acid biosynthesis. De novo fatty acid
biosynthesis is catalyzed by the fatty acid synthetase
complex, through the serial addition of 2-carbon
subunits. In bacteria and plants,ENR catalyzes one of
six synthetic steps in this process. Oilseed rape ENR,
and also apparently the NADH-specific form of
Escherichia coli ENR, is tetrameric. Although similar
to the classical SDRs, this group does not have the
canonical catalytic tetrad, nor does it have the typical
Gly-rich NAD-binding pattern. Such so-called divergent
SDRs have a GXXXXXSXA NAD-binding motif and a YXXMXXXK
(or YXXXMXXXK) active site motif. SDRs are a
functionally diverse family of oxidoreductases that have
a single domain with a structurally conserved Rossmann
fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRs are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes catalyze a
wide range of activities including the metabolism of
steroids, cofactors, carbohydrates, lipids, aromatic
compounds, and amino acids, and act in redox sensing.
Classical SDRs have an TGXXX[AG]XG cofactor binding
motif and a YXXXK active site motif, with the Tyr
residue of the active site motif serving as a critical
catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 250
Score = 54.5 bits (132), Expect = 6e-09
Identities = 20/49 (40%), Positives = 31/49 (63%)
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSV 183
GSIV +S + + + G+ + +KAAL+S R +A ELG IRVN++
Sbjct: 134 GSIVTLSYLGSERVVPGYNVMGVAKAALESSVRYLAYELGRKGIRVNAI 182
>gnl|CDD|180413 PRK06128, PRK06128, oxidoreductase; Provisional.
Length = 300
Score = 52.9 bits (127), Expect = 2e-08
Identities = 41/144 (28%), Positives = 68/144 (47%), Gaps = 7/144 (4%)
Query: 73 RAAVSKVGPVDVLINNAA--VARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMID 130
AV ++G +D+L+N A A D DI E D+ F N+ A+ + + +
Sbjct: 126 ERAVKELGGLDILVNIAGKQTAVKD-IADITTEQF-DATFKTNVYAMFWLCKAAIPHL-- 181
Query: 131 HKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT 190
SI+N SI Y+++KAA+ + T+ +A ++ IRVN+V P V T
Sbjct: 182 -PPGASIINTGSIQSYQPSPTLLDYASTKAAIVAFTKALAKQVAEKGIRVNAVAPGPVWT 240
Query: 191 QMGRTGWSDPAKAGPMLAKTPLGR 214
+ +G P K ++TP+ R
Sbjct: 241 PLQPSGGQPPEKIPDFGSETPMKR 264
>gnl|CDD|131732 TIGR02685, pter_reduc_Leis, pteridine reductase. Pteridine
reductase is an enzyme used by trypanosomatids
(including Trypanosoma cruzi and Leishmania major) to
obtain reduced pteridines by salvage rather than
biosynthetic pathways. Enzymes in T. cruzi described as
pteridine reductase 1 (PTR1) and pteridine reductase 2
(PTR2) have different activity profiles. PTR1 is more
active with with fully oxidized biopterin and folate
than with reduced forms, while PTR2 reduces
dihydrobiopterin and dihydrofolate but not oxidized
pteridines. T. cruzi PTR1 and PTR2 are more similar to
each other in sequence than either is to the pteridine
reductase of Leishmania major, and all are included in
this family.
Length = 267
Score = 52.2 bits (125), Expect = 4e-08
Identities = 49/193 (25%), Positives = 74/193 (38%), Gaps = 29/193 (15%)
Query: 24 IGRCIVEKLSQHEAIII-----ALSKTQANLDSLKQAFPNVQ-TVQVDLQDWARTRAAVS 77
IG I L Q ++ + + L PN T Q DL + A +
Sbjct: 13 IGSSIAVALHQEGYRVVLHYHRSAAAASTLAAELNARRPNSAVTCQADLSNSATLFSRCE 72
Query: 78 KV--------GPVDVLINNAAVARFDRFLDIDEENL----------IDSIFDVNIKAVIN 119
+ G DVL+NNA+ L D + +F N A
Sbjct: 73 AIIDACFRAFGRCDVLVNNASAFYPTPLLRGDAGEGVGDKKSLEVQVAELFGSNAIAPYF 132
Query: 120 ISQVVSKTMIDHKIQG-----SIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELG 174
+ + ++ + + SIVN+ L G T+Y+ +K AL+ +TR+ ALEL
Sbjct: 133 LIKAFAQRQAGTRAEQRSTNLSIVNLCDAMTDQPLLGFTMYTMAKHALEGLTRSAALELA 192
Query: 175 PYNIRVNSVQPTV 187
P IRVN V P +
Sbjct: 193 PLQIRVNGVAPGL 205
>gnl|CDD|236357 PRK08945, PRK08945, putative oxoacyl-(acyl carrier protein)
reductase; Provisional.
Length = 247
Score = 51.0 bits (123), Expect = 7e-08
Identities = 51/210 (24%), Positives = 85/210 (40%), Gaps = 35/210 (16%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQA-----FPNVQTVQVDL--------QDW 69
GIGR ++H A +I L +T+ L+++ P + +DL Q
Sbjct: 23 GIGREAALTYARHGATVILLGRTEEKLEAVYDEIEAAGGPQPAIIPLDLLTATPQNYQQL 82
Query: 70 ARTRAAVSKVGPVDVLINNA----AVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVS 125
A T + G +D +++NA + ++ D E + VN+ A ++Q +
Sbjct: 83 ADTIE--EQFGRLDGVLHNAGLLGELGPMEQ---QDPEVW-QDVMQVNVNATFMLTQALL 136
Query: 126 KTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQP 185
++ S+V SS G+ Y+ SK A + + + +A E N+RVN + P
Sbjct: 137 PLLLKSP-AASLVFTSSSVGRQGRANWGAYAVSKFATEGMMQVLADEYQGTNLRVNCINP 195
Query: 186 TVVMTQMGRTGWSDPAKA----GPMLAKTP 211
T M R A A P KTP
Sbjct: 196 GGTRTAM-R------ASAFPGEDPQKLKTP 218
>gnl|CDD|181120 PRK07792, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 306
Score = 50.9 bits (122), Expect = 1e-07
Identities = 39/146 (26%), Positives = 68/146 (46%), Gaps = 10/146 (6%)
Query: 49 LDSLKQAFPNVQTVQVDLQDWARTRAAVS---KVGPVDVLINNAAVARFDRFLDIDEENL 105
LD ++ A V D+ A V+ +G +D+++NNA + R DR L +
Sbjct: 54 LDEIRAAGAKAVAVAGDISQRATADELVATAVGLGGLDIVVNNAGITR-DRMLFNMSDEE 112
Query: 106 IDSIFDVNIKAVINISQVVS------KTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASK 159
D++ V+++ +++ + + G IVN SS AG G Y A+K
Sbjct: 113 WDAVIAVHLRGHFLLTRNAAAYWRAKAKAAGGPVYGRIVNTSSEAGLVGPVGQANYGAAK 172
Query: 160 AALDSITRTMALELGPYNIRVNSVQP 185
A + ++T + A LG Y +R N++ P
Sbjct: 173 AGITALTLSAARALGRYGVRANAICP 198
>gnl|CDD|181113 PRK07775, PRK07775, short chain dehydrogenase; Provisional.
Length = 274
Score = 49.8 bits (119), Expect = 3e-07
Identities = 35/135 (25%), Positives = 62/135 (45%), Gaps = 6/135 (4%)
Query: 74 AAVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
A +G ++VL++ A F + +I E + +++ ++ V MI+ +
Sbjct: 80 QAEEALGEIEVLVSGAGDTYFGKLHEISTEQFESQV-QIHLVGANRLATAVLPGMIERR- 137
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
+G ++ V S Y A+KA L+++ + +EL +R + V P +T M
Sbjct: 138 RGDLIFVGSDVALRQRPHMGAYGAAKAGLEAMVTNLQMELEGTGVRASIVHPGPTLTGM- 196
Query: 194 RTGWSDPA-KAGPML 207
GWS PA GPML
Sbjct: 197 --GWSLPAEVIGPML 209
>gnl|CDD|181349 PRK08278, PRK08278, short chain dehydrogenase; Provisional.
Length = 273
Score = 49.5 bits (119), Expect = 3e-07
Identities = 45/194 (23%), Positives = 78/194 (40%), Gaps = 36/194 (18%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLK---------------QAFPNVQTVQVDLQ 67
GIG I + ++ A I+ +KT L QA P + D++
Sbjct: 17 GIGLAIALRAARDGANIVIAAKTAEPHPKLPGTIHTAAEEIEAAGGQALP----LVGDVR 72
Query: 68 DWARTRAAVSKV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQV 123
D + AAV+K G +D+ +NNA+ D D + +N++ +
Sbjct: 73 DEDQVAAAVAKAVERFGGIDICVNNASAINLTGTEDTPM-KRFDLMQQINVRGTF----L 127
Query: 124 VSKTMIDHKIQGS---IVNVS---SIAGKTALEGHTIYSASKAALDSITRTMALELGPYN 177
VS+ + H + I+ +S ++ K HT Y+ +K + T +A E
Sbjct: 128 VSQACLPHLKKSENPHILTLSPPLNLDPKW-FAPHTAYTMAKYGMSLCTLGLAEEFRDDG 186
Query: 178 IRVNSVQP-TVVMT 190
I VN++ P T + T
Sbjct: 187 IAVNALWPRTTIAT 200
>gnl|CDD|180458 PRK06194, PRK06194, hypothetical protein; Provisional.
Length = 287
Score = 49.6 bits (119), Expect = 3e-07
Identities = 40/138 (28%), Positives = 64/138 (46%), Gaps = 13/138 (9%)
Query: 41 ALSKTQANLDSLKQAFPNVQTVQVDLQDWAR----TRAAVSKVGPVDVLINNAAVARFDR 96
AL + A L+ V V+ D+ D A+ AA+ + G V +L NNA V
Sbjct: 42 ALDRAVA---ELRAQGAEVLGVRTDVSDAAQVEALADAALERFGAVHLLFNNAGVGAGGL 98
Query: 97 FLDIDEENLIDSIFDVNIKAVINISQVVSKTMI-----DHKIQGSIVNVSSIAGKTALEG 151
+ + + + VN+ VI+ + + M+ D +G IVN +S+AG A
Sbjct: 99 VWENSLADW-EWVLGVNLWGVIHGVRAFTPLMLAAAEKDPAYEGHIVNTASMAGLLAPPA 157
Query: 152 HTIYSASKAALDSITRTM 169
IY+ SK A+ S+T T+
Sbjct: 158 MGIYNVSKHAVVSLTETL 175
>gnl|CDD|233441 TIGR01500, sepiapter_red, sepiapterin reductase. This model
describes sepiapterin reductase, a member of the short
chain dehydrogenase/reductase family. The enzyme
catalyzes the last step in the biosynthesis of
tetrahydrobiopterin. A similar enzyme in Bacillus cereus
was isolated for its ability to convert benzil to
(S)-benzoin, a property sepiapterin reductase also
shares. Cutoff scores for this model are set such that
benzil reductase scores between trusted and noise
cutoffs.
Length = 256
Score = 49.1 bits (117), Expect = 4e-07
Identities = 52/207 (25%), Positives = 92/207 (44%), Gaps = 32/207 (15%)
Query: 23 GIGRCIVEKLSQ---HEAIIIALSKTQANLDSLKQAFPN---------VQTVQVDLQDWA 70
G GR I ++L++ ++ LS N ++L+Q V V +DL A
Sbjct: 11 GFGRTIAQELAKCLKSPGSVLVLSAR--NDEALRQLKAEIGAERSGLRVVRVSLDLGAEA 68
Query: 71 ----RTRAAVSKVGPVD----VLINNAA----VARFDRFLDIDEENLIDSIFDVNIKAVI 118
+A P +LINNA V++ F+D+ + + + + +N+ +++
Sbjct: 69 GLEQLLKALRELPRPKGLQRLLLINNAGTLGDVSK--GFVDLSDSTQVQNYWALNLTSML 126
Query: 119 NI-SQVVSKTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYN 177
+ S V+ + ++VN+SS+ +G +Y A KAA D + + +ALE N
Sbjct: 127 CLTSSVLKAFKDSPGLNRTVVNISSLCAIQPFKGWALYCAGKAARDMLFQVLALEEKNPN 186
Query: 178 IRVNSVQPTVV---MTQMGRTGWSDPA 201
+RV + P V+ M Q R DP
Sbjct: 187 VRVLNYAPGVLDTDMQQQVREESVDPD 213
>gnl|CDD|223696 COG0623, FabI, Enoyl-[acyl-carrier-protein].
Length = 259
Score = 48.7 bits (117), Expect = 5e-07
Identities = 15/49 (30%), Positives = 30/49 (61%)
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSV 183
GSI+ ++ + + + + + +KAAL++ R +A +LG IRVN++
Sbjct: 138 GSILTLTYLGSERVVPNYNVMGVAKAALEASVRYLAADLGKEGIRVNAI 186
>gnl|CDD|235608 PRK05786, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 238
Score = 48.6 bits (116), Expect = 6e-07
Identities = 43/190 (22%), Positives = 74/190 (38%), Gaps = 11/190 (5%)
Query: 22 PGIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWART---RAAVSK 78
G+G + + A + S+ + L +K+ + + D + T R + K
Sbjct: 15 EGLGYAVAYFALKEGAQVCINSRNENKLKRMKKTLSKYGNIHYVVGDVSSTESARNVIEK 74
Query: 79 VGPVDVLINNAAVARFDRFLD-IDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSI 137
V I+ V D ++E + ++ + +IK + + + K SI
Sbjct: 75 AAKVLNAIDGLVVTVGGYVEDTVEEFSGLEEMLTNHIKIPLYAVNASLRFL---KEGSSI 131
Query: 138 VNVSSIAG-KTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT--QMGR 194
V VSS++G A Y+ +KA L +A EL IRVN + PT + + R
Sbjct: 132 VLVSSMSGIYKASPDQLSYAVAKAGLAKAVEILASELLGRGIRVNGIAPTTISGDFEPER 191
Query: 195 TGWSDPAKAG 204
W K G
Sbjct: 192 N-WKKLRKLG 200
>gnl|CDD|236308 PRK08594, PRK08594, enoyl-(acyl carrier protein) reductase;
Provisional.
Length = 257
Score = 48.6 bits (116), Expect = 7e-07
Identities = 32/166 (19%), Positives = 73/166 (43%), Gaps = 30/166 (18%)
Query: 26 RCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKVGPVDVL 85
R + + L E++++ T + + + F ++ +VG + +
Sbjct: 50 RELADTLEGQESLLLPCDVT--SDEEITACFETIK----------------EEVGVIHGV 91
Query: 86 INNAAVARFD----RFLDIDEEN--LIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIVN 139
+ A A + FL+ + L +I ++ AV ++ K M + GSIV
Sbjct: 92 AHCIAFANKEDLRGEFLETSRDGFLLAQNISAYSLTAV---AREAKKLMTE---GGSIVT 145
Query: 140 VSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQP 185
++ + G+ ++ + + +KA+L++ + +A +LG IRVN++
Sbjct: 146 LTYLGGERVVQNYNVMGVAKASLEASVKYLANDLGKDGIRVNAISA 191
>gnl|CDD|187656 cd08953, KR_2_SDR_x, ketoreductase (KR), subgroup 2, complex (x)
SDRs. Ketoreductase, a module of the multidomain
polyketide synthase (PKS), has 2 subdomains, each
corresponding to a SDR family monomer. The C-terminal
subdomain catalyzes the NADPH-dependent reduction of the
beta-carbonyl of a polyketide to a hydroxyl group, a
step in the biosynthesis of polyketides, such as
erythromycin. The N-terminal subdomain, an interdomain
linker, is a truncated Rossmann fold which acts to
stabilizes the catalytic subdomain. Unlike typical SDRs,
the isolated domain does not oligomerize but is composed
of 2 subdomains, each resembling an SDR monomer. The
active site resembles that of typical SDRs, except that
the usual positions of the catalytic Asn and Tyr are
swapped, so that the canonical YXXXK motif changes to
YXXXN. Modular PKSs are multifunctional structures in
which the makeup recapitulates that found in (and may
have evolved from) FAS. Polyketide synthesis also
proceeds via the addition of 2-carbon units as in fatty
acid synthesis. The complex SDR NADP-binding motif,
GGXGXXG, is often present, but is not strictly conserved
in each instance of the module. This subfamily includes
both KR domains of the Bacillus subtilis Pks J,-L, and
PksM, and all three KR domains of PksN, components of
the megacomplex bacillaene synthase, which synthesizes
the antibiotic bacillaene. SDRs are a functionally
diverse family of oxidoreductases that have a single
domain with a structurally conserved Rossmann fold
(alpha/beta folding pattern with a central beta-sheet),
an NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Classical SDRs are typically about
250 residues long, while extended SDRs are approximately
350 residues. Sequence identity between different SDR
enzymes are typically in the 15-30% range, but the
enzymes share the Rossmann fold NAD-binding motif and
characteristic NAD-binding and catalytic sequence
patterns. These enzymes catalyze a wide range of
activities including the metabolism of steroids,
cofactors, carbohydrates, lipids, aromatic compounds,
and amino acids, and act in redox sensing. Classical
SDRs have an TGXXX[AG]XG cofactor binding motif and a
YXXXK active site motif, with the Tyr residue of the
active site motif serving as a critical catalytic
residue (Tyr-151, human prostaglandin dehydrogenase
(PGDH) numbering). In addition to the Tyr and Lys, there
is often an upstream Ser (Ser-138, PGDH numbering)
and/or an Asn (Asn-107, PGDH numbering) contributing to
the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type KRs have a TGXXXGX(1-2)G
NAD(P)-binding motif. Some atypical SDRs have lost
catalytic activity and/or have an unusual NAD(P)-binding
motif and missing or unusual active site residues.
Reactions catalyzed within the SDR family include
isomerization, decarboxylation, epimerization, C=N bond
reduction, dehydratase activity, dehalogenation,
Enoyl-CoA reduction, and carbonyl-alcohol
oxidoreduction.
Length = 436
Score = 48.5 bits (116), Expect = 9e-07
Identities = 35/155 (22%), Positives = 66/155 (42%), Gaps = 20/155 (12%)
Query: 23 GIGRCIVEKL-SQHEAIIIALSKTQAN---------LDSLKQAFPNVQTVQVDLQDWART 72
GIGR + L ++ A ++ L ++ L +L+ V + D+ D A
Sbjct: 216 GIGRALARALARRYGARLVLLGRSPLPPEEEWKAQTLAALEALGARVLYISADVTDAAAV 275
Query: 73 RAAVSKV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTM 128
R + KV G +D +I+ A V R E+ +++ + ++N++Q ++
Sbjct: 276 RRLLEKVRERYGAIDGVIHAAGVLRDALLAQKTAEDF-EAVLAPKVDGLLNLAQALADEP 334
Query: 129 IDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALD 163
+D V SS++ G Y+A+ A LD
Sbjct: 335 LDF-----FVLFSSVSAFFGGAGQADYAAANAFLD 364
>gnl|CDD|180586 PRK06483, PRK06483, dihydromonapterin reductase; Provisional.
Length = 236
Score = 47.6 bits (114), Expect = 1e-06
Identities = 44/191 (23%), Positives = 88/191 (46%), Gaps = 13/191 (6%)
Query: 32 LSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKV----GPVDVLIN 87
L+Q + +I++ +D L+QA Q +Q D A A + ++ + +I+
Sbjct: 23 LAQGQPVIVSYRTHYPAIDGLRQA--GAQCIQADFSTNAGIMAFIDELKQHTDGLRAIIH 80
Query: 88 NAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGS-IVNVSSIAGK 146
NA+ +++ + +++ A ++ + + H S I++++ +
Sbjct: 81 NAS-DWLAEKPGAPLADVLARMMQIHVNAPYLLNLALEDLLRGHGHAASDIIHITDYVVE 139
Query: 147 TALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRTGWSDPAKAGPM 206
+ H Y+ASKAALD++T + A +L P ++VNS+ P +++ G D A
Sbjct: 140 KGSDKHIAYAASKAALDNMTLSFAAKLAP-EVKVNSIAPALILFNEG----DDAAYRQKA 194
Query: 207 LAKTPLGRFAG 217
LAK+ L G
Sbjct: 195 LAKSLLKIEPG 205
>gnl|CDD|168204 PRK05717, PRK05717, oxidoreductase; Validated.
Length = 255
Score = 47.6 bits (113), Expect = 1e-06
Identities = 49/171 (28%), Positives = 84/171 (49%), Gaps = 27/171 (15%)
Query: 58 NVQTVQVDLQDWARTRAAVSKV----GPVDVLINNAAVAR-FDRFLDIDEENLIDSIFDV 112
N + +D+ D A+ A V++V G +D L+ NAA+A + L+ + + V
Sbjct: 57 NAWFIAMDVADEAQVAAGVAEVLGQFGRLDALVCNAAIADPHNTTLESLSLAHWNRVLAV 116
Query: 113 NIKAVINISQVVSKTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALE 172
N+ + +++ + + H G+IVN++S + + Y+ASK L ++T +A+
Sbjct: 117 NLTGPMLLAKHCAPYLRAHN--GAIVNLASTRARQSEPDTEAYAASKGGLLALTHALAIS 174
Query: 173 LGPYNIRVNSVQPTVVMTQMGRTGW---SDPA--KAGPML----AKTPLGR 214
LGP IRVN+V P GW DP+ +A P+ A+ P GR
Sbjct: 175 LGP-EIRVNAVSP----------GWIDARDPSQRRAEPLSEADHAQHPAGR 214
>gnl|CDD|181417 PRK08416, PRK08416, 7-alpha-hydroxysteroid dehydrogenase;
Provisional.
Length = 260
Score = 47.5 bits (113), Expect = 1e-06
Identities = 46/190 (24%), Positives = 84/190 (44%), Gaps = 44/190 (23%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKVGPV 82
GIG+ IV + +Q + IA + NV+ +D + +K P+
Sbjct: 19 GIGKAIVYEFAQ-SGVNIAFTYNS-----------NVEEANKIAEDLEQKYGIKAKAYPL 66
Query: 83 DVL----------------------INNA------AVARFDRFLDIDEENLIDSIFDVNI 114
++L I+NA V + +F+ + + L ++I+ +
Sbjct: 67 NILEPETYKELFKKIDEDFDRVDFFISNAIISGRAVVGGYTKFMRLKPKGL-NNIYTATV 125
Query: 115 KAVINISQVVSKTMIDHKI-QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALEL 173
A + +Q +K M K+ GSI+++SS +E + + SKAA++++ + A EL
Sbjct: 126 NAFVVGAQEAAKRM--EKVGGGSIISLSSTGNLVYIENYAGHGTSKAAVETMVKYAATEL 183
Query: 174 GPYNIRVNSV 183
G NIRVN+V
Sbjct: 184 GEKNIRVNAV 193
>gnl|CDD|181020 PRK07533, PRK07533, enoyl-(acyl carrier protein) reductase;
Provisional.
Length = 258
Score = 47.2 bits (113), Expect = 2e-06
Identities = 20/56 (35%), Positives = 33/56 (58%)
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT 190
GS++ +S + +E + + KAAL+S R +A ELGP IRV+++ P + T
Sbjct: 142 GSLLTMSYYGAEKVVENYNLMGPVKAALESSVRYLAAELGPKGIRVHAISPGPLKT 197
>gnl|CDD|187595 cd05334, DHPR_SDR_c_like, dihydropteridine reductase (DHPR),
classical (c) SDRs. Dihydropteridine reductase is an
NAD-binding protein related to the SDRs. It converts
dihydrobiopterin into tetrahydrobiopterin, a cofactor
necessary in catecholamines synthesis. Dihydropteridine
reductase has the YXXXK of these tyrosine-dependent
oxidoreductases, but lacks the typical upstream Asn and
Ser catalytic residues. SDRs are a functionally diverse
family of oxidoreductases that have a single domain with
a structurally conserved Rossmann fold (alpha/beta
folding pattern with a central beta-sheet), an
NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Classical SDRs are typically about
250 residues long, while extended SDRS are approximately
350 residues. Sequence identity between different SDR
enzymes are typically in the 15-30% range, but the
enzymes share the Rossmann fold NAD-binding motif and
characteristic NAD-binding and catalytic sequence
patterns. These enzymes have a 3-glycine N-terminal
NAD(P)(H)-binding pattern (typically, TGxxxGxG in
classical SDRs and TGxxGxxG in extended SDRs), while
substrate binding is in the C-terminal region. A
critical catalytic Tyr residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering), is often found in a conserved YXXXK pattern.
In addition to the Tyr and Lys, there is often an
upstream Ser (Ser-138, 15-PGDH numbering) and/or an Asn
(Asn-107, 15-PGDH numbering) or additional Ser,
contributing to the active site. Substrates for these
enzymes include sugars, steroids, alcohols, and aromatic
compounds. The standard reaction mechanism is a proton
relay involving the conserved Tyr and Lys, as well as
Asn (or Ser). Some SDR family members, including 17
beta-hydroxysteroid dehydrogenase contain an additional
helix-turn-helix motif that is not generally found among
SDRs.
Length = 221
Score = 46.5 bits (111), Expect = 2e-06
Identities = 22/95 (23%), Positives = 40/95 (42%), Gaps = 5/95 (5%)
Query: 107 DSIFDVNIKAVINISQVVSKTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSIT 166
D ++ N+ S + +K ++ G +V + A G Y A+KAA+ +T
Sbjct: 94 DLMWKQNLWTSFIASHLATKHLLSG---GLLVLTGAKAALEPTPGMIGYGAAKAAVHQLT 150
Query: 167 RTMALELG--PYNIRVNSVQPTVVMTQMGRTGWSD 199
+++A E P N++ P + T R D
Sbjct: 151 QSLAAENSGLPAGSTANAILPVTLDTPANRKAMPD 185
>gnl|CDD|181416 PRK08415, PRK08415, enoyl-(acyl carrier protein) reductase;
Provisional.
Length = 274
Score = 46.3 bits (110), Expect = 4e-06
Identities = 36/152 (23%), Positives = 73/152 (48%), Gaps = 31/152 (20%)
Query: 80 GPVDVLINNAAVARFD----RFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQG 135
G +D ++++ A A + FL+ +E + ++++ ++I +++ + + D
Sbjct: 82 GKIDFIVHSVAFAPKEALEGSFLETSKEAF-NIAMEISVYSLIELTRALLPLLND---GA 137
Query: 136 SIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRT 195
S++ +S + G + + + +KAAL+S R +A++LG IRVN++
Sbjct: 138 SVLTLSYLGGVKYVPHYNVMGVAKAALESSVRYLAVDLGKKGIRVNAIS----------- 186
Query: 196 GWSDPAKAGPM--LAKTPLGRFAGKLKPKPWN 225
AGP+ LA + +G F LK WN
Sbjct: 187 -------AGPIKTLAASGIGDFRMILK---WN 208
>gnl|CDD|187589 cd05328, 3alpha_HSD_SDR_c, alpha hydroxysteroid dehydrogenase
(3alpha_HSD), classical (c) SDRs. Bacterial
3-alpha_HSD, which catalyzes the NAD-dependent
oxidoreduction of hydroxysteroids, is a dimeric member
of the classical SDR family. SDRs are a functionally
diverse family of oxidoreductases that have a single
domain with a structurally conserved Rossmann fold
(alpha/beta folding pattern with a central beta-sheet),
an NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Classical SDRs are typically about
250 residues long, while extended SDRs are approximately
350 residues. Sequence identity between different SDR
enzymes are typically in the 15-30% range, but the
enzymes share the Rossmann fold NAD-binding motif and
characteristic NAD-binding and catalytic sequence
patterns. These enzymes catalyze a wide range of
activities including the metabolism of steroids,
cofactors, carbohydrates, lipids, aromatic compounds,
and amino acids, and act in redox sensing. Classical
SDRs have an TGXXX[AG]XG cofactor binding motif and a
YXXXK active site motif, with the Tyr residue of the
active site motif serving as a critical catalytic
residue (Tyr-151, human 15-hydroxyprostaglandin
dehydrogenase (15-PGDH) numbering). In addition to the
Tyr and Lys, there is often an upstream Ser (Ser-138,
15-PGDH numbering) and/or an Asn (Asn-107, 15-PGDH
numbering) contributing to the active site; while
substrate binding is in the C-terminal region, which
determines specificity. The standard reaction mechanism
is a 4-pro-S hydride transfer and proton relay involving
the conserved Tyr and Lys, a water molecule stabilized
by Asn, and nicotinamide. Extended SDRs have additional
elements in the C-terminal region, and typically have a
TGXXGXXG cofactor binding motif. Complex (multidomain)
SDRs such as ketoreductase domains of fatty acid
synthase have a GGXGXXG NAD(P)-binding motif and an
altered active site motif (YXXXN). Fungal type ketoacyl
reductases have a TGXXXGX(1-2)G NAD(P)-binding motif.
Some atypical SDRs have lost catalytic activity and/or
have an unusual NAD(P)-binding motif and missing or
unusual active site residues. Reactions catalyzed within
the SDR family include isomerization, decarboxylation,
epimerization, C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 250
Score = 45.9 bits (109), Expect = 4e-06
Identities = 56/230 (24%), Positives = 79/230 (34%), Gaps = 61/230 (26%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKV--- 79
GIG E L +I + L++A V DL AA++ V
Sbjct: 10 GIGAATAELLEDAGHTVIGID--------LREAD-----VIADLSTPEGRAAAIADVLAR 56
Query: 80 --GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSI 137
G +D L+N A V + + VN + + + + + +
Sbjct: 57 CSGVLDGLVNCAGVG---------GTTVAGLVLKVNYFGLRALMEALLPRL-RKGHGPAA 106
Query: 138 VNVSSIAG----------KTALE-----------------GHTIYSASKAALDSITRTMA 170
V VSSIAG AL G+ Y+ SK AL TR A
Sbjct: 107 VVVSSIAGAGWAQDKLELAKALAAGTEARAVALAEHAGQPGYLAYAGSKEALTVWTRRRA 166
Query: 171 LE-LGPYNIRVNSVQPTVVMTQMGRTGWSDPAKAGPMLAK---TPLGRFA 216
L +RVN+V P V T + + DP G TP+GR A
Sbjct: 167 ATWLYGAGVRVNTVAPGPVETPILQAFLQDP--RGGESVDAFVTPMGRRA 214
>gnl|CDD|180949 PRK07370, PRK07370, enoyl-(acyl carrier protein) reductase;
Validated.
Length = 258
Score = 45.9 bits (109), Expect = 5e-06
Identities = 34/126 (26%), Positives = 61/126 (48%), Gaps = 8/126 (6%)
Query: 62 VQVDLQDWARTRAAVSKVGPVDVLINNAAVARFDR----FLDIDEENLIDSIFDVNIKAV 117
VQ D Q K G +D+L++ A A + F E ++ +++ ++
Sbjct: 68 VQDDAQIEETFETIKQKWGKLDILVHCLAFAGKEELIGDFSATSREGFARAL-EISAYSL 126
Query: 118 INISQVVSKTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYN 177
+ + M + GSIV ++ + G A+ + + +KAAL++ R +A ELGP N
Sbjct: 127 APLCKAAKPLMSE---GGSIVTLTYLGGVRAIPNYNVMGVAKAALEASVRYLAAELGPKN 183
Query: 178 IRVNSV 183
IRVN++
Sbjct: 184 IRVNAI 189
>gnl|CDD|187631 cd05373, SDR_c10, classical (c) SDR, subgroup 10. This subgroup
resembles the classical SDRs, but has an incomplete
match to the canonical glycine rich NAD-binding motif
and lacks the typical active site tetrad (instead of the
critical active site Tyr, it has Phe, but contains the
nearby Lys). SDRs are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet), an NAD(P)(H)-binding
region, and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRs are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD-binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes catalyze a wide range of activities including
the metabolism of steroids, cofactors, carbohydrates,
lipids, aromatic compounds, and amino acids, and act in
redox sensing. Classical SDRs have an TGXXX[AG]XG
cofactor binding motif and a YXXXK active site motif,
with the Tyr residue of the active site motif serving as
a critical catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 238
Score = 45.5 bits (108), Expect = 7e-06
Identities = 37/169 (21%), Positives = 73/169 (43%), Gaps = 13/169 (7%)
Query: 22 PGIGRCIVEKLSQHEAIIIAL-----SKTQANLDSLKQAFPNVQT-VQVDLQDWARTRAA 75
G+G I + + E +AL +K +A L + + V D +D A
Sbjct: 9 DGLGAAIARRFAA-EGFSVALAARREAKLEALLVDIIRDAGGSAKAVPTDARDEDEVIAL 67
Query: 76 VSKV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDH 131
+ GP++VL+ NA + L+ + + ++++ ++ +K M+
Sbjct: 68 FDLIEEEIGPLEVLVYNAGANVWFPILETTPR-VFEKVWEMAAFGGFLAAREAAKRMLAR 126
Query: 132 KIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRV 180
+G+I+ + A G ++ +K AL ++ ++MA ELGP I V
Sbjct: 127 G-RGTIIFTGATASLRGRAGFAAFAGAKFALRALAQSMARELGPKGIHV 174
>gnl|CDD|236342 PRK08862, PRK08862, short chain dehydrogenase; Provisional.
Length = 227
Score = 45.1 bits (107), Expect = 8e-06
Identities = 32/121 (26%), Positives = 49/121 (40%), Gaps = 11/121 (9%)
Query: 83 DVLINNAAVARFDRFLDIDEENLIDSIFDVNIKA---VINISQVVSKTMIDHKIQGSIVN 139
DVL+NN + D E +S + QV ++ M +G IVN
Sbjct: 85 DVLVNNWTSSPLPSLFD---EQPSESFIQQLSSLASTLFTYGQVAAERMRKRNKKGVIVN 141
Query: 140 VSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT--QMGRTGW 197
V S + T +S A + T + A EL P+NIRV V P++ ++ W
Sbjct: 142 VIS---HDDHQDLTGVESSNALVSGFTHSWAKELTPFNIRVGGVVPSIFSANGELDAVHW 198
Query: 198 S 198
+
Sbjct: 199 A 199
>gnl|CDD|214833 smart00822, PKS_KR, This enzymatic domain is part of bacterial
polyketide synthases. It catalyses the first step in
the reductive modification of the beta-carbonyl centres
in the growing polyketide chain. It uses NADPH to reduce
the keto group to a hydroxy group.
Length = 180
Score = 44.4 bits (106), Expect = 9e-06
Identities = 35/157 (22%), Positives = 60/157 (38%), Gaps = 18/157 (11%)
Query: 23 GIGRCIVEKLSQHEAIIIAL--------SKTQANLDSLKQAFPNVQTVQVDLQDWARTRA 74
G+GR + L++ A + L A L L+ A V V D+ D A
Sbjct: 11 GLGRALARWLAERGARRLVLLSRSGPDAPGAAALLAELEAAGARVTVVACDVADRDALAA 70
Query: 75 AVSKV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMID 130
++ + GP+ +I+ A V + E ++ N+ ++ + +D
Sbjct: 71 VLAAIPAVEGPLTGVIHAAGVLDDGVLASLTPERF-AAVLAPKAAGAWNLHELTADLPLD 129
Query: 131 HKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITR 167
V SSIAG G Y+A+ A LD++
Sbjct: 130 F-----FVLFSSIAGVLGSPGQANYAAANAFLDALAE 161
>gnl|CDD|180343 PRK05993, PRK05993, short chain dehydrogenase; Provisional.
Length = 277
Score = 45.4 bits (108), Expect = 9e-06
Identities = 44/174 (25%), Positives = 79/174 (45%), Gaps = 9/174 (5%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKV--- 79
GIG L + A + + ++ +L+ ++ Q+D + A V++V
Sbjct: 15 GIGAYCARALQSDGWRVFATCRKEEDVAALEAE--GLEAFQLDYAEPESIAALVAQVLEL 72
Query: 80 --GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSI 137
G +D L NN A + D+ E L F+ N ++++ V M QG I
Sbjct: 73 SGGRLDALFNNGAYGQPGAVEDLPTEALRAQ-FEANFFGWHDLTRRVIPVMRKQG-QGRI 130
Query: 138 VNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQ 191
V SSI G ++ Y+ASK A++ ++ T+ +EL I V+ ++P + T+
Sbjct: 131 VQCSSILGLVPMKYRGAYNASKFAIEGLSLTLRMELQGSGIHVSLIEPGPIETR 184
>gnl|CDD|187663 cd09762, HSDL2_SDR_c, human hydroxysteroid dehydrogenase-like
protein 2 (HSDL2), classical (c) SDRs. This subgroup
includes human HSDL2 and related protens. These are
members of the classical SDR family, with a canonical
Gly-rich NAD-binding motif and the typical YXXXK active
site motif. However, the rest of the catalytic tetrad is
not strongly conserved. HSDL2 may play a part in fatty
acid metabolism, as it is found in peroxisomes. SDRs are
a functionally diverse family of oxidoreductases that
have a single domain with a structurally conserved
Rossmann fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRS are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes have a
3-glycine N-terminal NAD(P)(H)-binding pattern
(typically, TGxxxGxG in classical SDRs and TGxxGxxG in
extended SDRs), while substrate binding is in the
C-terminal region. A critical catalytic Tyr residue
(Tyr-151, human 15-hydroxyprostaglandin dehydrogenase
(15-PGDH) numbering), is often found in a conserved
YXXXK pattern. In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) or additional
Ser, contributing to the active site. Substrates for
these enzymes include sugars, steroids, alcohols, and
aromatic compounds. The standard reaction mechanism is a
proton relay involving the conserved Tyr and Lys, as
well as Asn (or Ser). Some SDR family members, including
17 beta-hydroxysteroid dehydrogenase contain an
additional helix-turn-helix motif that is not generally
found among SDRs.
Length = 243
Score = 44.7 bits (106), Expect = 1e-05
Identities = 47/195 (24%), Positives = 81/195 (41%), Gaps = 34/195 (17%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLK---------------QAFPNVQTVQVDLQ 67
GIG+ I K ++ A ++ +KT L +A P + VD++
Sbjct: 14 GIGKAIALKAARDGANVVIAAKTAEPHPKLPGTIYTAAEEIEAAGGKALPCI----VDIR 69
Query: 68 DWARTRAAVS----KVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQV 123
D + RAAV K G +D+L+NNA+ LD + D + VN + + +
Sbjct: 70 DEDQVRAAVEKAVEKFGGIDILVNNASAISLTGTLDTPMKRY-DLMMGVNTRG----TYL 124
Query: 124 VSKTMIDHKIQGSIVNVSSIAGKTALE-----GHTIYSASKAALDSITRTMALELGPYNI 178
SK + + + ++ +++ L HT Y+ +K + MA E P I
Sbjct: 125 CSKACLPYLKKSKNPHILNLSPPLNLNPKWFKNHTAYTMAKYGMSMCVLGMAEEFKPGGI 184
Query: 179 RVNSVQP-TVVMTQM 192
VN++ P T + T
Sbjct: 185 AVNALWPRTAIATAA 199
>gnl|CDD|168626 PRK06603, PRK06603, enoyl-(acyl carrier protein) reductase;
Provisional.
Length = 260
Score = 44.6 bits (105), Expect = 1e-05
Identities = 38/149 (25%), Positives = 71/149 (47%), Gaps = 28/149 (18%)
Query: 78 KVGPVDVLINNAAVARFD----RFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
K G D L++ A A + R++D EN +S+ ++ +++ +S+ M D
Sbjct: 83 KWGSFDFLLHGMAFADKNELKGRYVDTSLENFHNSL-HISCYSLLELSRSAEALMHD--- 138
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
GSIV ++ + + + + +KAAL++ + +A ++G NIRVN++
Sbjct: 139 GGSIVTLTYYGAEKVIPNYNVMGVAKAALEASVKYLANDMGENNIRVNAIS--------- 189
Query: 194 RTGWSDPAKAGPM--LAKTPLGRFAGKLK 220
AGP+ LA + +G F+ LK
Sbjct: 190 ---------AGPIKTLASSAIGDFSTMLK 209
>gnl|CDD|187599 cd05340, Ycik_SDR_c, Escherichia coli K-12 YCIK-like, classical (c)
SDRs. Escherichia coli K-12 YCIK and related proteins
have a canonical classical SDR nucleotide-binding motif
and active site tetrad. They are predicted oxoacyl-(acyl
carrier protein/ACP) reductases. SDRs are a functionally
diverse family of oxidoreductases that have a single
domain with a structurally conserved Rossmann fold
(alpha/beta folding pattern with a central beta-sheet),
an NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Classical SDRs are typically about
250 residues long, while extended SDRS are approximately
350 residues. Sequence identity between different SDR
enzymes are typically in the 15-30% range, but the
enzymes share the Rossmann fold NAD-binding motif and
characteristic NAD-binding and catalytic sequence
patterns. These enzymes have a 3-glycine N-terminal
NAD(P)(H)-binding pattern (typically, TGxxxGxG in
classical SDRs and TGxxGxxG in extended SDRs), while
substrate binding is in the C-terminal region. A
critical catalytic Tyr residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering), is often found in a conserved YXXXK pattern.
In addition to the Tyr and Lys, there is often an
upstream Ser (Ser-138, 15-PGDH numbering) and/or an Asn
(Asn-107, 15-PGDH numbering) or additional Ser,
contributing to the active site. Substrates for these
enzymes include sugars, steroids, alcohols, and aromatic
compounds. The standard reaction mechanism is a proton
relay involving the conserved Tyr and Lys, as well as
Asn (or Ser). Some SDR family members, including 17
beta-hydroxysteroid dehydrogenase contain an additional
helix-turn-helix motif that is not generally found among
SDRs.
Length = 236
Score = 43.3 bits (102), Expect = 4e-05
Identities = 36/181 (19%), Positives = 70/181 (38%), Gaps = 12/181 (6%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANL-------DSLKQAFPNVQTVQVDLQDWARTRAA 75
GIGR +++ A +I L + + L + P + + +
Sbjct: 15 GIGREAALTYARYGATVILLGRNEEKLRQVADHINEEGGRQPQWFILDLLTCTSENCQQL 74
Query: 76 VSKV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDH 131
++ +D +++NA + L + + VN+ A ++Q + ++
Sbjct: 75 AQRIAVNYPRLDGVLHNAGLLGDVCPLSEQNPQVWQDVXQVNVNATFMLTQALLP-LLLK 133
Query: 132 KIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQ 191
GS+V SS G+ Y+ SK A + + + +A E N+RVN + P T
Sbjct: 134 SDAGSLVFTSSSVGRQGRANWGAYAVSKFATEGLXQVLADEYQQRNLRVNCINPGGTRTA 193
Query: 192 M 192
M
Sbjct: 194 M 194
>gnl|CDD|235914 PRK07041, PRK07041, short chain dehydrogenase; Provisional.
Length = 230
Score = 42.7 bits (101), Expect = 5e-05
Identities = 46/176 (26%), Positives = 75/176 (42%), Gaps = 21/176 (11%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAF---PNVQTVQVDLQDWARTRAAVSKV 79
GIG + + A + S+++ L + +A V+T +D+ D A A ++
Sbjct: 8 GIGLALARAFAAEGARVTIASRSRDRLAAAARALGGGAPVRTAALDITDEAAVDAFFAEA 67
Query: 80 GPVDVLINNAAVARFD--RFLDI-DEENLIDSIF--DVNIKAVINISQVVSKTMIDHKIQ 134
GP D ++ AA R L + + +DS F + I+
Sbjct: 68 GPFDHVVITAADTPGGPVRALPLAAAQAAMDSKFWGAYRVARAARIAP-----------G 116
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMT 190
GS+ VS A + A AAL+++ R +ALEL P +RVN+V P +V T
Sbjct: 117 GSLTFVSGFAAVRPSASGVLQGAINAALEALARGLALELAP--VRVNTVSPGLVDT 170
>gnl|CDD|181260 PRK08159, PRK08159, enoyl-(acyl carrier protein) reductase;
Provisional.
Length = 272
Score = 42.8 bits (101), Expect = 6e-05
Identities = 40/159 (25%), Positives = 76/159 (47%), Gaps = 31/159 (19%)
Query: 78 KVGPVDVLINNAAVARFD----RFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKI 133
K G +D +++ + D R++D +N ++ D+++ + ++Q K M D
Sbjct: 85 KWGKLDFVVHAIGFSDKDELTGRYVDTSRDNFTMTM-DISVYSFTAVAQRAEKLMTD--- 140
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
GSI+ ++ + + + + +KAAL++ + +A++LGP NIRVN++
Sbjct: 141 GGSILTLTYYGAEKVMPHYNVMGVAKAALEASVKYLAVDLGPKNIRVNAIS--------- 191
Query: 194 RTGWSDPAKAGPM--LAKTPLGRFAGKLKPKPWNRWLLP 230
AGP+ LA + +G F LK WN + P
Sbjct: 192 ---------AGPIKTLAASGIGDFRYILK---WNEYNAP 218
>gnl|CDD|235527 PRK05599, PRK05599, hypothetical protein; Provisional.
Length = 246
Score = 42.6 bits (100), Expect = 6e-05
Identities = 37/141 (26%), Positives = 64/141 (45%), Gaps = 7/141 (4%)
Query: 59 VQTVQVDLQDWARTRAAVSKVGPVDVLINNAAVARFDRFLD-----IDEENLIDSIFDVN 113
V + D QD R V + + I+ A VA F D DE + ++ I V+
Sbjct: 51 VHVLSFDAQDLDTHRELVKQTQELAGEISLAVVA-FGILGDQERAETDEAHAVE-IATVD 108
Query: 114 IKAVINISQVVSKTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALEL 173
A +++ V++ + +IV SSIAG A + +Y ++KA LD+ + +A L
Sbjct: 109 YTAQVSMLTVLADELRAQTAPAAIVAFSSIAGWRARRANYVYGSTKAGLDAFCQGLADSL 168
Query: 174 GPYNIRVNSVQPTVVMTQMGR 194
++R+ +P V+ M
Sbjct: 169 HGSHVRLIIARPGFVIGSMTT 189
>gnl|CDD|237099 PRK12428, PRK12428, 3-alpha-hydroxysteroid dehydrogenase;
Provisional.
Length = 241
Score = 42.3 bits (100), Expect = 8e-05
Identities = 46/165 (27%), Positives = 62/165 (37%), Gaps = 51/165 (30%)
Query: 62 VQVDLQDWARTRAAVSKV-GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINI 120
+Q DL D A AAV+ + G +D L N A V V + A +N
Sbjct: 28 IQADLGDPASIDAAVAALPGRIDALFNIAGVP---------------GTAPVELVARVNF 72
Query: 121 --SQVVSKTMIDHKIQG-SIVNVSSIAG---KTALEGH---------------------- 152
+ +++ ++ G +IVNV+S+AG LE H
Sbjct: 73 LGLRHLTEALLPRMAPGGAIVNVASLAGAEWPQRLELHKALAATASFDEGAAWLAAHPVA 132
Query: 153 --TIYSASKAALDSITRTM---ALELGPYNIRVNSVQPTVVMTQM 192
T Y SK AL I TM G IRVN V P V T +
Sbjct: 133 LATGYQLSKEAL--ILWTMRQAQPWFGARGIRVNCVAPGPVFTPI 175
>gnl|CDD|181324 PRK08251, PRK08251, short chain dehydrogenase; Provisional.
Length = 248
Score = 40.3 bits (95), Expect = 3e-04
Identities = 23/80 (28%), Positives = 42/80 (52%), Gaps = 6/80 (7%)
Query: 135 GSIVNVSSIAGKTALEGH-TIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
G +V +SS++ L G Y+ASKA + S+ + EL I+V++++P + ++M
Sbjct: 133 GHLVLISSVSAVRGLPGVKAAYAASKAGVASLGEGLRAELAKTPIKVSTIEPGYIRSEM- 191
Query: 194 RTGWSDPAKAGPMLAKTPLG 213
+ AK+ P + T G
Sbjct: 192 ----NAKAKSTPFMVDTETG 207
>gnl|CDD|181198 PRK08017, PRK08017, oxidoreductase; Provisional.
Length = 256
Score = 40.5 bits (95), Expect = 4e-04
Identities = 37/168 (22%), Positives = 71/168 (42%), Gaps = 9/168 (5%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKV--- 79
GIG +L + ++A + ++ + + +DL D A +V
Sbjct: 13 GIGLEAALELKRRGYRVLAACRKPDDVARMNSL--GFTGILLDLDDPESVERAADEVIAL 70
Query: 80 --GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSI 137
+ L NNA + I + + + F N ++ ++ M+ H +G I
Sbjct: 71 TDNRLYGLFNNAGFGVYGPLSTISRQQM-EQQFSTNFFGTHQLTMLLLPAMLPHG-EGRI 128
Query: 138 VNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQP 185
V SS+ G + G Y+ASK AL++ + + +EL I+V+ ++P
Sbjct: 129 VMTSSVMGLISTPGRGAYAASKYALEAWSDALRMELRHSGIKVSLIEP 176
>gnl|CDD|219957 pfam08659, KR, KR domain. This enzymatic domain is part of
bacterial polyketide synthases and catalyzes the first
step in the reductive modification of the beta-carbonyl
centres in the growing polyketide chain. It uses NADPH
to reduce the keto group to a hydroxy group.
Length = 181
Score = 39.4 bits (93), Expect = 4e-04
Identities = 34/154 (22%), Positives = 61/154 (39%), Gaps = 18/154 (11%)
Query: 23 GIGRCIVEKLSQHEAIIIAL--------SKTQANLDSLKQAFPNVQTVQVDLQDWARTRA 74
G+G + L++ A + L + +A L L+ V V D+ D RA
Sbjct: 11 GLGLELARWLAERGARHLVLLSRSGAPDPEAEALLAELEARGAEVTVVACDVSDRDAVRA 70
Query: 75 AVSKV----GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMID 130
++++ P+ +I+ A V R ++ E+ + + N+ + +D
Sbjct: 71 LLAEIRADGPPLRGVIHAAGVLRDALLANMTAEDF-ARVLAPKVTGAWNLHEATRDRPLD 129
Query: 131 HKIQGSIVNVSSIAGKTALEGHTIYSASKAALDS 164
V SSIAG G Y+A+ A LD+
Sbjct: 130 F-----FVLFSSIAGVLGSPGQANYAAANAFLDA 158
>gnl|CDD|216461 pfam01370, Epimerase, NAD dependent epimerase/dehydratase family.
This family of proteins utilise NAD as a cofactor. The
proteins in this family use nucleotide-sugar substrates
for a variety of chemical reactions.
Length = 233
Score = 40.0 bits (94), Expect = 4e-04
Identities = 34/176 (19%), Positives = 64/176 (36%), Gaps = 28/176 (15%)
Query: 24 IGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKVGPVD 83
IG +V +L Q +I L + +SL ++ + DL D +++V P D
Sbjct: 10 IGSHLVRRLLQEGYEVIVLG-RRRRSESL--NTGRIRFHEGDLTDPDALERLLAEVQP-D 65
Query: 84 VLINNAAVARFDRFLDIDEE----------NLIDSIFDVNIKAVINISQVVSKTM-IDHK 132
+I+ AA + + + L+++ +K + S S + D
Sbjct: 66 AVIHLAAQSGVGASFEDPADFIRANVLGTLRLLEAARRAGVKRFVFAS---SSEVYGDVA 122
Query: 133 IQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVV 188
I T L + Y+A+K A + + A Y +R ++ V
Sbjct: 123 DP-------PITEDTPLGPLSPYAAAKLAAERLVEAYARA---YGLRAVILRLFNV 168
>gnl|CDD|235694 PRK06079, PRK06079, enoyl-(acyl carrier protein) reductase;
Provisional.
Length = 252
Score = 39.7 bits (93), Expect = 5e-04
Identities = 32/149 (21%), Positives = 63/149 (42%), Gaps = 26/149 (17%)
Query: 57 PNVQTVQVDLQDWARTRAA----VSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDV 112
V+ D+ A +VG +D +++ A A +E L ++ D
Sbjct: 55 EEDLLVECDVASDESIERAFATIKERVGKIDGIVHAIAYA--------KKEELGGNVTDT 106
Query: 113 NIKAVINISQVVS-----------KTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAA 161
+ + ++Q +S + +++ SIV ++ + A+ + + +KAA
Sbjct: 107 S-RDGYALAQDISAYSLIAVAKYARPLLNPG--ASIVTLTYFGSERAIPNYNVMGIAKAA 163
Query: 162 LDSITRTMALELGPYNIRVNSVQPTVVMT 190
L+S R +A +LG IRVN++ V T
Sbjct: 164 LESSVRYLARDLGKKGIRVNAISAGAVKT 192
>gnl|CDD|235713 PRK06139, PRK06139, short chain dehydrogenase; Provisional.
Length = 330
Score = 39.7 bits (93), Expect = 7e-04
Identities = 49/188 (26%), Positives = 75/188 (39%), Gaps = 31/188 (16%)
Query: 22 PGIGRCIVEKLSQHEA-IIIALSKTQA---NLDSLKQAFPNVQTVQVDLQDWARTRA--- 74
GIG+ E ++ A +++A +A + + V V D+ D + +A
Sbjct: 17 SGIGQATAEAFARRGARLVLAARDEEALQAVAEECRALGAEVLVVPTDVTDADQVKALAT 76
Query: 75 -AVSKVGPVDVLINNAAVARFDRFLDIDEE--------NLIDSIFDVNIKAVINISQVVS 125
A S G +DV +NN V RF + E NLI + D + A + I
Sbjct: 77 QAASFGGRIDVWVNNVGVGAVGRFEETPIEAHEQVIQTNLIGYMRDAH--AALPI----- 129
Query: 126 KTMIDHKIQGS--IVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPY-NIRVNS 182
K QG +N+ S+ G A YSASK L + + EL + +I V
Sbjct: 130 -----FKKQGHGIFINMISLGGFAAQPYAAAYSASKFGLRGFSEALRGELADHPDIHVCD 184
Query: 183 VQPTVVMT 190
V P + T
Sbjct: 185 VYPAFMDT 192
>gnl|CDD|212495 cd09807, retinol-DH_like_SDR_c, retinol dehydrogenases
(retinol-DHs), classical (c) SDRs. Classical SDR-like
subgroup containing retinol-DHs and related proteins.
Retinol is processed by a medium chain alcohol
dehydrogenase followed by retinol-DHs. Proteins in this
subfamily share the glycine-rich NAD-binding motif of
the classical SDRs, have a partial match to the
canonical active site tetrad, but lack the typical
active site Ser. This subgroup includes the human
proteins: retinol dehydrogenase -12, -13 ,and -14. SDRs
are a functionally diverse family of oxidoreductases
that have a single domain with a structurally conserved
Rossmann fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRs are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes catalyze a
wide range of activities including the metabolism of
steroids, cofactors, carbohydrates, lipids, aromatic
compounds, and amino acids, and act in redox sensing.
Classical SDRs have an TGXXX[AG]XG cofactor binding
motif and a YXXXK active site motif, with the Tyr
residue of the active site motif serving as a critical
catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 274
Score = 39.4 bits (92), Expect = 8e-04
Identities = 39/132 (29%), Positives = 56/132 (42%), Gaps = 30/132 (22%)
Query: 82 VDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGS----I 137
+DVLINNA V R E+ + F VN ++ + ++ ++ S I
Sbjct: 81 LDVLINNAGVMRCPYSK---TEDGFEMQFGVN-----HLGHFLLTNLLLDLLKKSAPSRI 132
Query: 138 VNVSSIAGKTALEGHT---------------IYSASKAALDSITRTMALELGPYNIRVNS 182
VNVSS+A K G Y SK A TR +A L + VN+
Sbjct: 133 VNVSSLAHKA---GKINFDDLNSEKSYNTGFAYCQSKLANVLFTRELARRLQGTGVTVNA 189
Query: 183 VQPTVVMTQMGR 194
+ P VV T++GR
Sbjct: 190 LHPGVVRTELGR 201
>gnl|CDD|181162 PRK07904, PRK07904, short chain dehydrogenase; Provisional.
Length = 253
Score = 38.9 bits (91), Expect = 0.001
Identities = 20/58 (34%), Positives = 32/58 (55%)
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
G I+ +SS+AG+ + +Y ++KA LD + L Y +RV V+P V T+M
Sbjct: 139 GQIIAMSSVAGERVRRSNFVYGSTKAGLDGFYLGLGEALREYGVRVLVVRPGQVRTRM 196
>gnl|CDD|236124 PRK07889, PRK07889, enoyl-(acyl carrier protein) reductase;
Provisional.
Length = 256
Score = 38.8 bits (91), Expect = 0.001
Identities = 15/26 (57%), Positives = 19/26 (73%)
Query: 158 SKAALDSITRTMALELGPYNIRVNSV 183
+KAAL+S R +A +LGP IRVN V
Sbjct: 161 AKAALESTNRYLARDLGPRGIRVNLV 186
>gnl|CDD|180766 PRK06940, PRK06940, short chain dehydrogenase; Provisional.
Length = 275
Score = 37.7 bits (88), Expect = 0.003
Identities = 47/231 (20%), Positives = 90/231 (38%), Gaps = 51/231 (22%)
Query: 23 GIGRCIVEKLSQHEAIIIA---LSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSK- 78
GIG+ I ++ + +++A +A +L++A +V T +VD+ +A +
Sbjct: 12 GIGQAIARRVGAGKKVLLADYNEENLEAAAKTLREAGFDVSTQEVDVSSRESVKALAATA 71
Query: 79 --VGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGS 136
+GPV L++ A V+ + ++I V++ + + K + G+
Sbjct: 72 QTLGPVTGLVHTAGVS--------PSQASPEAILKVDLYGTALVLEEFGKVI---APGGA 120
Query: 137 IVNVSSIAGK---------------TALE----------------GHTIYSASKAALDSI 165
V ++S +G T E H Y +K A
Sbjct: 121 GVVIASQSGHRLPALTAEQERALATTPTEELLSLPFLQPDAIEDSLHA-YQIAKRANALR 179
Query: 166 TRTMALELGPYNIRVNSVQPTVVMTQMGRTGWSDPAKAG--PMLAKTPLGR 214
A++ G R+NS+ P ++ T + + + P G M AK+P GR
Sbjct: 180 VMAEAVKWGERGARINSISPGIISTPLAQDELNGPRGDGYRNMFAKSPAGR 230
>gnl|CDD|217556 pfam03435, Saccharop_dh, Saccharopine dehydrogenase. This family
comprised of three structural domains that can not be
separated in the linear sequence. In some organisms
this enzyme is found as a bifunctional polypeptide with
lysine ketoglutarate reductase. The saccharopine
dehydrogenase can also function as a saccharopine
reductase.
Length = 380
Score = 37.7 bits (88), Expect = 0.003
Identities = 12/68 (17%), Positives = 28/68 (41%), Gaps = 6/68 (8%)
Query: 23 GIGRCIVEKLSQHEAI-IIALSKTQANLDSLKQAF--PNVQTVQVDLQDWARTRAAVSKV 79
G+G+ + L++H + I ++ +L + VD ++ A + +
Sbjct: 8 GVGQGVAPLLARHGDLEITVADRSLEKAQALAAPKLGLRFIAIAVDADNYEALVALLKE- 66
Query: 80 GPVDVLIN 87
D++IN
Sbjct: 67 --GDLVIN 72
>gnl|CDD|187657 cd08954, KR_1_FAS_SDR_x, beta-ketoacyl reductase (KR) domain of
fatty acid synthase (FAS), subgroup 1, complex (x) SDRs.
NADP-dependent KR domain of the multidomain type I FAS,
a complex SDR family. This subfamily also includes
proteins identified as polyketide synthase (PKS), a
protein with related modular protein architecture and
similar function. It includes the KR domains of
mammalian and chicken FAS, and Dictyostelium discoideum
putative polyketide synthases (PKSs). These KR domains
contain two subdomains, each of which is related to SDR
Rossmann fold domains. However, while the C-terminal
subdomain has an active site similar to the other SDRs
and a NADP-binding capability, the N-terminal SDR-like
subdomain is truncated and lacks these functions,
serving a supportive structural role. In some instances,
such as porcine FAS, an enoyl reductase (a Rossman fold
NAD-binding domain of the medium-chain
dehydrogenase/reductase, MDR family) module is inserted
between the sub-domains. Fatty acid synthesis occurs via
the stepwise elongation of a chain (which is attached to
acyl carrier protein, ACP) with 2-carbon units.
Eukaryotic systems consists of large, multifunctional
synthases (type I) while bacterial, type II systems, use
single function proteins. Fungal fatty acid synthesis
uses a dodecamer of 6 alpha and 6 beta subunits. In
mammalian type FAS cycles, ketoacyl synthase forms
acetoacetyl-ACP which is reduced by the NADP-dependent
beta-ketoacyl reductase (KR), forming
beta-hydroxyacyl-ACP, which is in turn dehydrated by
dehydratase to a beta-enoyl intermediate, which is
reduced by NADP-dependent beta-enoyl reductase (ER);
this KR and ER are members of the SDR family. This KR
subfamily has an active site tetrad with a similar 3D
orientation compared to archetypical SDRs, but the
active site Lys and Asn residue positions are swapped.
The characteristic NADP-binding is typical of the
multidomain complex SDRs, with a GGXGXXG NADP binding
motif. SDRs are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet), an NAD(P)(H)-binding
region, and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRs are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD-binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes catalyze a wide range of activities including
the metabolism of steroids, cofactors, carbohydrates,
lipids, aromatic compounds, and amino acids, and act in
redox sensing. Classical SDRs have an TGXXX[AG]XG
cofactor binding motif and a YXXXK active site motif,
with the Tyr residue of the active site motif serving as
a critical catalytic residue (Tyr-151, human
prostaglandin dehydrogenase (PGDH) numbering). In
addition to the Tyr and Lys, there is often an upstream
Ser (Ser-138, PGDH numbering) and/or an Asn (Asn-107,
PGDH numbering) contributing to the active site; while
substrate binding is in the C-terminal region, which
determines specificity. The standard reaction mechanism
is a 4-pro-S hydride transfer and proton relay involving
the conserved Tyr and Lys, a water molecule stabilized
by Asn, and nicotinamide. Extended SDRs have additional
elements in the C-terminal region, and typically have a
TGXXGXXG cofactor binding motif. Complex (multidomain)
SDRs such as ketoreductase domains of fatty acid
synthase have a GGXGXXG NAD(P)-binding motif and an
altered active site motif (YXXXN). Fungal type KRs have
a TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 452
Score = 37.4 bits (87), Expect = 0.005
Identities = 39/161 (24%), Positives = 70/161 (43%), Gaps = 22/161 (13%)
Query: 23 GIGRCIVEKLSQHEAI--IIALSKT------QANLDSLKQAFPNVQTVQVDLQDWARTRA 74
G+G I++ L + A+ II LS++ + + K V VD+ D +
Sbjct: 229 GLGLEILKWLVKRGAVENIIILSRSGMKWELELLIREWKSQNIKFHFVSVDVSDVSSLEK 288
Query: 75 AVSKV------GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTM 128
A++ + GP+ + + A V D+ L+ID E+L S+ + IN+ K
Sbjct: 289 AINLILNAPKIGPIGGIFHLAFVLI-DKVLEIDTESLFISVNKAKVMGAINLHNQSIKRC 347
Query: 129 --IDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITR 167
+D+ V SS++ G Y + + LDS++R
Sbjct: 348 WKLDY-----FVLFSSVSSIRGSAGQCNYVCANSVLDSLSR 383
>gnl|CDD|181188 PRK07985, PRK07985, oxidoreductase; Provisional.
Length = 294
Score = 36.9 bits (85), Expect = 0.005
Identities = 30/106 (28%), Positives = 50/106 (47%), Gaps = 5/106 (4%)
Query: 110 FDVNIKAVINISQVVSKTMIDHKIQG-SIVNVSSIAGKTALEGHTIYSASKAALDSITRT 168
F +N+ A+ ++Q I +G SI+ SSI Y+A+KAA+ + +R
Sbjct: 157 FAINVFALFWLTQ----EAIPLLPKGASIITTSSIQAYQPSPHLLDYAATKAAILNYSRG 212
Query: 169 MALELGPYNIRVNSVQPTVVMTQMGRTGWSDPAKAGPMLAKTPLGR 214
+A ++ IRVN V P + T + +G K +TP+ R
Sbjct: 213 LAKQVAEKGIRVNIVAPGPIWTALQISGGQTQDKIPQFGQQTPMKR 258
>gnl|CDD|180596 PRK06505, PRK06505, enoyl-(acyl carrier protein) reductase;
Provisional.
Length = 271
Score = 36.6 bits (85), Expect = 0.006
Identities = 19/65 (29%), Positives = 33/65 (50%), Gaps = 1/65 (1%)
Query: 135 GSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGR 194
GS++ ++ + + + +KAAL++ R +A + GP IRVN++ V T G
Sbjct: 139 GSMLTLTYGGSTRVMPNYNVMGVAKAALEASVRYLAADYGPQGIRVNAISAGPVRTLAG- 197
Query: 195 TGWSD 199
G D
Sbjct: 198 AGIGD 202
>gnl|CDD|235776 PRK06300, PRK06300, enoyl-(acyl carrier protein) reductase;
Provisional.
Length = 299
Score = 36.3 bits (84), Expect = 0.008
Identities = 19/52 (36%), Positives = 34/52 (65%), Gaps = 2/52 (3%)
Query: 134 QGSIVNVSSIAGKTALEGHTI-YSASKAALDSITRTMALELG-PYNIRVNSV 183
GS ++++ +A A+ G+ S++KAAL+S T+ +A E G + IRVN++
Sbjct: 170 GGSTISLTYLASMRAVPGYGGGMSSAKAALESDTKVLAWEAGRRWGIRVNTI 221
>gnl|CDD|223528 COG0451, WcaG, Nucleoside-diphosphate-sugar epimerases [Cell
envelope biogenesis, outer membrane / Carbohydrate
transport and metabolism].
Length = 314
Score = 36.5 bits (84), Expect = 0.009
Identities = 35/179 (19%), Positives = 58/179 (32%), Gaps = 30/179 (16%)
Query: 24 IGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKVGPVD 83
IG +VE+L + L + + D L V+ V +DL D V D
Sbjct: 12 IGSHLVERLLAAGHDVRGLDRLR---DGLDPLLSGVEFVVLDLTDRDLVDELAKGVP--D 66
Query: 84 VLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIVNVSSI 143
+I+ AA + + DVN+ +N+ + + V SS+
Sbjct: 67 AVIHLAAQSSV----PDSNASDPAEFLDVNVDGTLNLLEAARAAGVKR-----FVFASSV 117
Query: 144 AG-------------KTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVM 189
+ Y SK A + + R A Y + V ++P V
Sbjct: 118 SVVYGDPPPLPIDEDLGPPRPLNPYGVSKLAAEQLLRAYARL---YGLPVVILRPFNVY 173
>gnl|CDD|135637 PRK05876, PRK05876, short chain dehydrogenase; Provisional.
Length = 275
Score = 36.1 bits (83), Expect = 0.009
Identities = 26/114 (22%), Positives = 53/114 (46%), Gaps = 1/114 (0%)
Query: 79 VGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIV 138
+G VDV+ +NA + +++ ++ + DV++ I+ + +++ G +V
Sbjct: 81 LGHVDVVFSNAGIVVGGPIVEMTHDDW-RWVIDVDLWGSIHTVEAFLPRLLEQGTGGHVV 139
Query: 139 NVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
+S AG G Y +K + + T+A E+ I V+ + P VV T +
Sbjct: 140 FTASFAGLVPNAGLGAYGVAKYGVVGLAETLAREVTADGIGVSVLCPMVVETNL 193
>gnl|CDD|187654 cd08951, DR_C-13_KR_SDR_c_like, daunorubicin C-13 ketoreductase
(KR), classical (c)-like SDRs. Daunorubicin is a
clinically important therapeutic compound used in some
cancer treatments. Daunorubicin C-13 ketoreductase is
member of the classical SDR family with a canonical
glycine-rich NAD(P)-binding motif, but lacking a
complete match to the active site tetrad characteristic
of this group. The critical Tyr, plus the Lys and
upstream Asn are present, but the catalytic Ser is
replaced, generally by Gln. SDRs are a functionally
diverse family of oxidoreductases that have a single
domain with a structurally conserved Rossmann fold
(alpha/beta folding pattern with a central beta-sheet),
an NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Classical SDRs are typically about
250 residues long, while extended SDRs are approximately
350 residues. Sequence identity between different SDR
enzymes are typically in the 15-30% range, but the
enzymes share the Rossmann fold NAD-binding motif and
characteristic NAD-binding and catalytic sequence
patterns. These enzymes catalyze a wide range of
activities including the metabolism of steroids,
cofactors, carbohydrates, lipids, aromatic compounds,
and amino acids, and act in redox sensing. Classical
SDRs have an TGXXX[AG]XG cofactor binding motif and a
YXXXK active site motif, with the Tyr residue of the
active site motif serving as a critical catalytic
residue (Tyr-151, human prostaglandin dehydrogenase
(PGDH) numbering). In addition to the Tyr and Lys, there
is often an upstream Ser (Ser-138, PGDH numbering)
and/or an Asn (Asn-107, PGDH numbering) contributing to
the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type KRs have a TGXXXGX(1-2)G
NAD(P)-binding motif. Some atypical SDRs have lost
catalytic activity and/or have an unusual NAD(P)-binding
motif and missing or unusual active site residues.
Reactions catalyzed within the SDR family include
isomerization, decarboxylation, epimerization, C=N bond
reduction, dehydratase activity, dehalogenation,
Enoyl-CoA reduction, and carbonyl-alcohol
oxidoreduction.
Length = 260
Score = 35.9 bits (83), Expect = 0.010
Identities = 46/182 (25%), Positives = 74/182 (40%), Gaps = 20/182 (10%)
Query: 35 HEAIIIALSKTQANLDSLKQAFPNVQTVQV-DLQDWARTRA---AVSKVGPVDVLINNAA 90
HE ++ A ++Q K A P V + DL A TR V+ +G D +I+NA
Sbjct: 32 HEVVLHA--RSQKRAADAKAACPGAAGVLIGDLSSLAETRKLADQVNAIGRFDAVIHNAG 89
Query: 91 VARFDRFLDIDEENLIDSIFDVNIKAVINISQVVS--KTMID-----HKIQGSIVNVSSI 143
+ D I ++ VN+ A ++ ++ K +I H+ G ++ I
Sbjct: 90 ILSGPNRKTPDTG--IPAMVAVNVLAPYVLTALIRRPKRLIYLSSGMHR--GGNASLDDI 145
Query: 144 -AGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRTGWSDPAK 202
YS SK L +T A+ ++ N+V P V T+MG G D +
Sbjct: 146 DWFNRGENDSPAYSDSK--LHVLTLAAAVARRWKDVSSNAVHPGWVPTKMGGAGAPDDLE 203
Query: 203 AG 204
G
Sbjct: 204 QG 205
>gnl|CDD|212496 cd11730, Tthb094_like_SDR_c, Tthb094 and related proteins,
classical (c) SDRs. Tthb094 from Thermus Thermophilus
is a classical SDR which binds NADP. Members of this
subgroup contain the YXXXK active site characteristic of
SDRs. Also, an upstream Asn residue of the canonical
catalytic tetrad is partially conserved in this subgroup
of proteins of undetermined function. SDRs are a
functionally diverse family of oxidoreductases that have
a single domain with a structurally conserved Rossmann
fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRs are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes catalyze a
wide range of activities including the metabolism of
steroids, cofactors, carbohydrates, lipids, aromatic
compounds, and amino acids, and act in redox sensing.
Classical SDRs have an TGXXX[AG]XG cofactor binding
motif and a YXXXK active site motif, with the Tyr
residue of the active site motif serving as a critical
catalytic residue (Tyr-151, human prostaglandin
dehydrogenase (PGDH) numbering). In addition to the Tyr
and Lys, there is often an upstream Ser (Ser-138, PGDH
numbering) and/or an Asn (Asn-107, PGDH numbering)
contributing to the active site; while substrate binding
is in the C-terminal region, which determines
specificity. The standard reaction mechanism is a
4-pro-S hydride transfer and proton relay involving the
conserved Tyr and Lys, a water molecule stabilized by
Asn, and nicotinamide. Extended SDRs have additional
elements in the C-terminal region, and typically have a
TGXXGXXG cofactor binding motif. Complex (multidomain)
SDRs such as ketoreductase domains of fatty acid
synthase have a GGXGXXG NAD(P)-binding motif and an
altered active site motif (YXXXN). Fungal type ketoacyl
reductases have a TGXXXGX(1-2)G NAD(P)-binding motif.
Some atypical SDRs have lost catalytic activity and/or
have an unusual NAD(P)-binding motif and missing or
unusual active site residues. Reactions catalyzed within
the SDR family include isomerization, decarboxylation,
epimerization, C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 206
Score = 35.6 bits (82), Expect = 0.012
Identities = 42/189 (22%), Positives = 75/189 (39%), Gaps = 12/189 (6%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKVGPV 82
GIGR + L+ ++ + L L A D+ A ++GP+
Sbjct: 9 GIGRALARALAGRGWRLLLSGRDAGALAGLA-AEVGALARPADVAAELEVWALAQELGPL 67
Query: 83 DVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIVNVSS 142
D+L+ AA A + L + I D N + + V+ + +V + +
Sbjct: 68 DLLVY-AAGAILGKPLARTKPAAWRRILDAN---LTGAALVLKHALALLAAGARLVFLGA 123
Query: 143 IAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRTGWSDPAK 202
L G + Y+A+KAAL++ E+ +R+ V+P V T + W+ P +
Sbjct: 124 YPELVMLPGLSAYAAAKAALEAYVEVARKEV--RGLRLTLVRPPAVDTGL----WAPPGR 177
Query: 203 AGPMLAKTP 211
P A +P
Sbjct: 178 L-PKGALSP 185
>gnl|CDD|178331 PLN02730, PLN02730, enoyl-[acyl-carrier-protein] reductase.
Length = 303
Score = 35.9 bits (83), Expect = 0.012
Identities = 20/51 (39%), Positives = 34/51 (66%), Gaps = 2/51 (3%)
Query: 135 GSIVNVSSIAGKTALEGHTI-YSASKAALDSITRTMALELG-PYNIRVNSV 183
G+ ++++ IA + + G+ S++KAAL+S TR +A E G Y IRVN++
Sbjct: 172 GASISLTYIASERIIPGYGGGMSSAKAALESDTRVLAFEAGRKYKIRVNTI 222
>gnl|CDD|180838 PRK07102, PRK07102, short chain dehydrogenase; Provisional.
Length = 243
Score = 34.9 bits (81), Expect = 0.019
Identities = 22/84 (26%), Positives = 39/84 (46%), Gaps = 1/84 (1%)
Query: 109 IFDVNIKAVINISQVVSKTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRT 168
F N + I + +++ G+IV +SS+AG + +Y ++KAAL +
Sbjct: 103 EFRTNFEGPIALLTLLANRFEARG-SGTIVGISSVAGDRGRASNYVYGSAKAALTAFLSG 161
Query: 169 MALELGPYNIRVNSVQPTVVMTQM 192
+ L + V +V+P V T M
Sbjct: 162 LRNRLFKSGVHVLTVKPGFVRTPM 185
>gnl|CDD|219687 pfam07993, NAD_binding_4, Male sterility protein. This family
represents the C-terminal region of the male sterility
protein in a number of arabidopsis and drosophila. A
sequence-related jojoba acyl CoA reductase is also
included.
Length = 245
Score = 33.3 bits (77), Expect = 0.066
Identities = 42/234 (17%), Positives = 70/234 (29%), Gaps = 65/234 (27%)
Query: 24 IGRCIVEKL--SQHEAIIIAL---SKTQANLDSLKQAF------------PNVQTVQVDL 66
+G+ ++EKL S E I L ++ L+ L+Q + V DL
Sbjct: 8 LGKVLLEKLLRSTPEVKIYCLVRAKDGESALERLRQELLKYGLFDRLKALERIIPVAGDL 67
Query: 67 ---------QDWARTRAAVSKVGPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNI--- 114
+D+ V DV+I+NAA F + N+
Sbjct: 68 SEPNLGLSDEDFQELAEEV------DVIIHNAATVNFVEPYSD--------LRATNVLGT 113
Query: 115 ------------KAVINISQVVSKTMIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAAL 162
++S ++ + Y+ SK
Sbjct: 114 REVLRLAKQMKKLPFHHVSTAYVNGERGGLLEEKPYKLDEDEPALLGGLPNGYTQSKWLA 173
Query: 163 DSITRTMALELGPYNIRVNSVQPTVVMTQMG--RTGWSDPAKAGPMLAKTPLGR 214
+ + R A L P I +P+++ G RTGW + GP G
Sbjct: 174 EQLVREAAGGL-PVVI----YRPSII---TGESRTGWINGDDFGPRGLLGGAGL 219
>gnl|CDD|224013 COG1088, RfbB, dTDP-D-glucose 4,6-dehydratase [Cell envelope
biogenesis, outer membrane].
Length = 340
Score = 33.0 bits (76), Expect = 0.12
Identities = 35/154 (22%), Positives = 61/154 (39%), Gaps = 28/154 (18%)
Query: 32 LSQH-EAIIIALSK-TQA-NLDSLKQAF--PNVQTVQVDLQDWARTRAAVSKVGPVDVLI 86
L++H + ++ L K T A NL++L P + VQ D+ D + P D ++
Sbjct: 21 LNKHPDDHVVNLDKLTYAGNLENLADVEDSPRYRFVQGDICDRELVDRLFKEYQP-DAVV 79
Query: 87 NNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIVNVS----- 141
+ AA + DR +D I + N+ + + K + + ++S
Sbjct: 80 HFAAESHVDRSID-GPAPFIQT----NVVGTYTLLEAARK----YWGKFRFHHISTDEVY 130
Query: 142 -SIAG-------KTALEGHTIYSASKAALDSITR 167
+ T + YSASKAA D + R
Sbjct: 131 GDLGLDDDAFTETTPYNPSSPYSASKAASDLLVR 164
>gnl|CDD|181187 PRK07984, PRK07984, enoyl-(acyl carrier protein) reductase;
Provisional.
Length = 262
Score = 32.6 bits (74), Expect = 0.12
Identities = 23/83 (27%), Positives = 44/83 (53%), Gaps = 8/83 (9%)
Query: 136 SIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRT 195
+++ +S + + A+ + + +KA+L++ R MA +GP +RVN++ + T + +
Sbjct: 140 ALLTLSYLGAERAIPNYNVMGLAKASLEANVRYMANAMGPEGVRVNAISAGPIRT-LAAS 198
Query: 196 GWSDPAKAGPMLAK----TPLGR 214
G D K MLA TP+ R
Sbjct: 199 GIKDFRK---MLAHCEAVTPIRR 218
>gnl|CDD|187557 cd05246, dTDP_GD_SDR_e, dTDP-D-glucose 4,6-dehydratase, extended
(e) SDRs. This subgroup contains dTDP-D-glucose
4,6-dehydratase and related proteins, members of the
extended-SDR family, with the characteristic Rossmann
fold core region, active site tetrad and NAD(P)-binding
motif. dTDP-D-glucose 4,6-dehydratase is closely related
to other sugar epimerases of the SDR family.
dTDP-D-dlucose 4,6,-dehydratase catalyzes the second of
four steps in the dTDP-L-rhamnose pathway (the
dehydration of dTDP-D-glucose to
dTDP-4-keto-6-deoxy-D-glucose) in the synthesis of
L-rhamnose, a cell wall component of some pathogenic
bacteria. In many gram negative bacteria, L-rhamnose is
an important constituent of lipopoylsaccharide
O-antigen. The larger N-terminal portion of
dTDP-D-Glucose 4,6-dehydratase forms a Rossmann fold
NAD-binding domain, while the C-terminus binds the sugar
substrate. Extended SDRs are distinct from classical
SDRs. In addition to the Rossmann fold (alpha/beta
folding pattern with a central beta-sheet) core region
typical of all SDRs, extended SDRs have a less conserved
C-terminal extension of approximately 100 amino acids.
Extended SDRs are a diverse collection of proteins, and
include isomerases, epimerases, oxidoreductases, and
lyases; they typically have a TGXXGXXG cofactor binding
motif. SDRs are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold, an
NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Sequence identity between different
SDR enzymes is typically in the 15-30% range; they
catalyze a wide range of activities including the
metabolism of steroids, cofactors, carbohydrates,
lipids, aromatic compounds, and amino acids, and act in
redox sensing. Classical SDRs have an TGXXX[AG]XG
cofactor binding motif and a YXXXK active site motif,
with the Tyr residue of the active site motif serving as
a critical catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase numbering). In
addition to the Tyr and Lys, there is often an upstream
Ser and/or an Asn, contributing to the active site;
while substrate binding is in the C-terminal region,
which determines specificity. The standard reaction
mechanism is a 4-pro-S hydride transfer and proton relay
involving the conserved Tyr and Lys, a water molecule
stabilized by Asn, and nicotinamide. Atypical SDRs
generally lack the catalytic residues characteristic of
the SDRs, and their glycine-rich NAD(P)-binding motif is
often different from the forms normally seen in
classical or extended SDRs. Complex (multidomain) SDRs
such as ketoreductase domains of fatty acid synthase
have a GGXGXXG NAD(P)-binding motif and an altered
active site motif (YXXXN). Fungal type ketoacyl
reductases have a TGXXXGX(1-2)G NAD(P)-binding motif.
Length = 315
Score = 32.5 bits (75), Expect = 0.17
Identities = 35/145 (24%), Positives = 62/145 (42%), Gaps = 27/145 (18%)
Query: 39 IIALSKTQ--ANLDSLK--QAFPNVQTVQVDLQDWARTRAAVSKVGPVDVLINNAAVARF 94
II L K NL++L+ + P + V+ D+ D A + + +D +I+ AA +
Sbjct: 29 IINLDKLTYAGNLENLEDVSSSPRYRFVKGDICD-AELVDRLFEEEKIDAVIHFAAESHV 87
Query: 95 DR-FLDIDE---------ENLIDSIFDVNIKAVINIS--QVVSKTMIDHKIQGSIVNVSS 142
DR D + L+++ +K ++IS +V G +++
Sbjct: 88 DRSISDPEPFIRTNVLGTYTLLEAARKYGVKRFVHISTDEVY----------GDLLDDGE 137
Query: 143 IAGKTALEGHTIYSASKAALDSITR 167
+ L + YSASKAA D + R
Sbjct: 138 FTETSPLAPTSPYSASKAAADLLVR 162
>gnl|CDD|226591 COG4106, Tam, Trans-aconitate methyltransferase [General function
prediction only].
Length = 257
Score = 32.0 bits (73), Expect = 0.24
Identities = 14/54 (25%), Positives = 22/54 (40%), Gaps = 7/54 (12%)
Query: 37 AIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKVGPVDVLINNAA 90
A+I + + A L Q P+ + DL+ W + P D+L NA
Sbjct: 55 AVITGIDSSPAMLAKAAQRLPDATFEEADLRTWKPEQ-------PTDLLFANAV 101
>gnl|CDD|235737 PRK06197, PRK06197, short chain dehydrogenase; Provisional.
Length = 306
Score = 31.9 bits (73), Expect = 0.25
Identities = 24/79 (30%), Positives = 37/79 (46%), Gaps = 10/79 (12%)
Query: 23 GIGRCIVEKLSQHEA-IIIA---LSKTQANLDSLKQAFP--NVQTVQVDLQDWARTRAAV 76
G+G L+ A +++A L K +A + A P +V ++DL A RAA
Sbjct: 27 GLGYETAAALAAKGAHVVLAVRNLDKGKAAAARITAATPGADVTLQELDLTSLASVRAAA 86
Query: 77 ----SKVGPVDVLINNAAV 91
+ +D+LINNA V
Sbjct: 87 DALRAAYPRIDLLINNAGV 105
>gnl|CDD|180789 PRK06997, PRK06997, enoyl-(acyl carrier protein) reductase;
Provisional.
Length = 260
Score = 31.7 bits (72), Expect = 0.26
Identities = 13/50 (26%), Positives = 27/50 (54%)
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSV 183
S++ +S + + + + +KA+L++ R +A+ LGP IR N +
Sbjct: 138 DASLLTLSYLGAERVVPNYNTMGLAKASLEASVRYLAVSLGPKGIRANGI 187
>gnl|CDD|187652 cd08948, 5beta-POR_like_SDR_a, progesterone 5-beta-reductase-like
proteins (5beta-POR), atypical (a) SDRs. 5beta-POR
catalyzes the reduction of progesterone to
5beta-pregnane-3,20-dione in Digitalis plants. This
subgroup of atypical-extended SDRs, shares the
structure of an extended SDR, but has a different
glycine-rich nucleotide binding motif (GXXGXXG) and
lacks the YXXXK active site motif of classical and
extended SDRs. Tyr-179 and Lys 147 are present in the
active site, but not in the usual SDR configuration.
Given these differences, it has been proposed that this
subfamily represents a new SDR class. Other atypical
SDRs include biliverdin IX beta reductase (BVR-B,aka
flavin reductase), NMRa (a negative transcriptional
regulator of various fungi), phenylcoumaran benzylic
ether and pinoresinol-lariciresinol reductases,
phenylpropene synthases, eugenol synthase,
triphenylmethane reductase, isoflavone reductases, and
others. SDRs are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold, an
NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Sequence identity between different
SDR enzymes is typically in the 15-30% range; they
catalyze a wide range of activities including the
metabolism of steroids, cofactors, carbohydrates,
lipids, aromatic compounds, and amino acids, and act in
redox sensing. Classical SDRs have an TGXXX[AG]XG
cofactor binding motif and a YXXXK active site motif,
with the Tyr residue of the active site motif serving
as a critical catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase numbering). In
addition to the Tyr and Lys, there is often an upstream
Ser and/or an Asn, contributing to the active site;
while substrate binding is in the C-terminal region,
which determines specificity. The standard reaction
mechanism is a 4-pro-S hydride transfer and proton
relay involving the conserved Tyr and Lys, a water
molecule stabilized by Asn, and nicotinamide. In
addition to the Rossmann fold core region typical of
all SDRs, extended SDRs have a less conserved
C-terminal extension of approximately 100 amino acids,
and typically have a TGXXGXXG cofactor binding motif.
Complex (multidomain) SDRs such as ketoreductase
domains of fatty acid synthase have a GGXGXXG
NAD(P)-binding motif and an altered active site motif
(YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif.
Length = 308
Score = 31.4 bits (72), Expect = 0.35
Identities = 15/65 (23%), Positives = 24/65 (36%), Gaps = 8/65 (12%)
Query: 24 IGRCIVEKLSQHEAI---IIALSKTQANLDSLKQAFPNVQTVQVDLQDWART--RAAVSK 78
G +VE L + LS+ + V+ + +DL D A T RA +
Sbjct: 11 SGWALVEHLLSDPGTWWKVYGLSRRPL---PTEDDPRLVEHIGIDLLDPADTVLRAKLPG 67
Query: 79 VGPVD 83
+ V
Sbjct: 68 LEDVT 72
>gnl|CDD|169553 PRK08690, PRK08690, enoyl-(acyl carrier protein) reductase;
Provisional.
Length = 261
Score = 31.1 bits (70), Expect = 0.44
Identities = 22/82 (26%), Positives = 38/82 (46%), Gaps = 2/82 (2%)
Query: 134 QGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
+IV +S + A+ + + +KA+L++ R A LG IR N + + T +
Sbjct: 139 NSAIVALSYLGAVRAIPNYNVMGMAKASLEAGIRFTAACLGKEGIRCNGISAGPIKT-LA 197
Query: 194 RTGWSDPAKAGPMLA-KTPLGR 214
+G +D K +A PL R
Sbjct: 198 ASGIADFGKLLGHVAAHNPLRR 219
>gnl|CDD|169390 PRK08340, PRK08340, glucose-1-dehydrogenase; Provisional.
Length = 259
Score = 30.5 bits (69), Expect = 0.59
Identities = 38/176 (21%), Positives = 79/176 (44%), Gaps = 22/176 (12%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANL----DSLKQAFPNVQTVQVDLQDWARTRAAVSK 78
GIG + +L + A ++ S+ + NL LK+ + V V+ DL D + V +
Sbjct: 11 GIGFNVARELLKKGARVVISSRNEENLEKALKELKE-YGEVYAVKADLSDKDDLKNLVKE 69
Query: 79 ----VGPVDVLINNAAVARFD-------RFLDIDEENLIDSIFDVNIKAVINISQVVSKT 127
+G +D L+ NA R + + D E L+ + A ++ ++ +
Sbjct: 70 AWELLGGIDALVWNAGNVRCEPCMLHEAGYSDWLEAALLHLV------APGYLTTLLIQA 123
Query: 128 MIDHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSV 183
++ K++G +V +SS++ K + + ++A L + + ++ G IR +V
Sbjct: 124 WLEKKMKGVLVYLSSVSVKEPMPPLVLADVTRAGLVQLAKGVSRTYGGKGIRAYTV 179
>gnl|CDD|187556 cd05245, SDR_a2, atypical (a) SDRs, subgroup 2. This subgroup
contains atypical SDRs, one member is identified as
Escherichia coli protein ybjT, function unknown.
Atypical SDRs are distinct from classical SDRs. Members
of this subgroup have a glycine-rich NAD(P)-binding
motif consensus that generally matches the extended
SDRs, TGXXGXXG, but lacks the characteristic active
site residues of the SDRs. This subgroup has basic
residues (HXXXR) in place of the active site motif
YXXXK, these may have a catalytic role. Atypical SDRs
generally lack the catalytic residues characteristic of
the SDRs, and their glycine-rich NAD(P)-binding motif
is often different from the forms normally seen in
classical or extended SDRs. Atypical SDRs include
biliverdin IX beta reductase (BVR-B,aka flavin
reductase), NMRa (a negative transcriptional regulator
of various fungi), progesterone 5-beta-reductase like
proteins, phenylcoumaran benzylic ether and
pinoresinol-lariciresinol reductases, phenylpropene
synthases, eugenol synthase, triphenylmethane
reductase, isoflavone reductases, and others. SDRs are
a functionally diverse family of oxidoreductases that
have a single domain with a structurally conserved
Rossmann fold, an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Sequence
identity between different SDR enzymes is typically in
the 15-30% range; they catalyze a wide range of
activities including the metabolism of steroids,
cofactors, carbohydrates, lipids, aromatic compounds,
and amino acids, and act in redox sensing. Classical
SDRs have an TGXXX[AG]XG cofactor binding motif and a
YXXXK active site motif, with the Tyr residue of the
active site motif serving as a critical catalytic
residue (Tyr-151, human 15-hydroxyprostaglandin
dehydrogenase numbering). In addition to the Tyr and
Lys, there is often an upstream Ser and/or an Asn,
contributing to the active site; while substrate
binding is in the C-terminal region, which determines
specificity. The standard reaction mechanism is a
4-pro-S hydride transfer and proton relay involving the
conserved Tyr and Lys, a water molecule stabilized by
Asn, and nicotinamide. In addition to the Rossmann fold
core region typical of all SDRs, extended SDRs have a
less conserved C-terminal extension of approximately
100 amino acids, and typically have a TGXXGXXG cofactor
binding motif. Complex (multidomain) SDRs such as
ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif.
Length = 293
Score = 30.8 bits (70), Expect = 0.60
Identities = 15/52 (28%), Positives = 24/52 (46%), Gaps = 1/52 (1%)
Query: 24 IGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAA 75
+G +V +L Q + AL ++ L + V V+ DL+D RAA
Sbjct: 10 VGGRLVPRLLQEGHQVRALVRSPEKLADRPWS-ERVTVVRGDLEDPESLRAA 60
>gnl|CDD|212494 cd08946, SDR_e, extended (e) SDRs. Extended SDRs are distinct from
classical SDRs. In addition to the Rossmann fold
(alpha/beta folding pattern with a central beta-sheet)
core region typical of all SDRs, extended SDRs have a
less conserved C-terminal extension of approximately 100
amino acids. Extended SDRs are a diverse collection of
proteins, and include isomerases, epimerases,
oxidoreductases, and lyases; they typically have a
TGXXGXXG cofactor binding motif. SDRs are a functionally
diverse family of oxidoreductases that have a single
domain with a structurally conserved Rossmann fold, an
NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Sequence identity between different
SDR enzymes is typically in the 15-30% range; they
catalyze a wide range of activities including the
metabolism of steroids, cofactors, carbohydrates,
lipids, aromatic compounds, and amino acids, and act in
redox sensing. Classical SDRs have an TGXXX[AG]XG
cofactor binding motif and a YXXXK active site motif,
with the Tyr residue of the active site motif serving as
a critical catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase numbering). In
addition to the Tyr and Lys, there is often an upstream
Ser and/or an Asn, contributing to the active site;
while substrate binding is in the C-terminal region,
which determines specificity. The standard reaction
mechanism is a 4-pro-S hydride transfer and proton relay
involving the conserved Tyr and Lys, a water molecule
stabilized by Asn, and nicotinamide. Atypical SDRs
generally lack the catalytic residues characteristic of
the SDRs, and their glycine-rich NAD(P)-binding motif is
often different from the forms normally seen in
classical or extended SDRs. Complex (multidomain) SDRs
such as ketoreductase domains of fatty acid synthase
have a GGXGXXG NAD(P)-binding motif and an altered
active site motif (YXXXN). Fungal type ketoacyl
reductases have a TGXXXGX(1-2)G NAD(P)-binding motif.
Length = 200
Score = 30.0 bits (68), Expect = 0.71
Identities = 22/117 (18%), Positives = 42/117 (35%), Gaps = 24/117 (20%)
Query: 83 DVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIVNVSS 142
DV+++ AA+ D +E F+ N+ +N+ + K + V SS
Sbjct: 32 DVVVHLAALVGVPASWDNPDE-----DFETNVVGTLNLLEAARKAGVKR-----FVYASS 81
Query: 143 IA-----------GKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVV 188
+ +T + Y SK A + + R+ Y + V ++ V
Sbjct: 82 ASVYGSPEGLPEEEETPPRPLSPYGVSKLAAEHLLRSYGES---YGLPVVILRLANV 135
>gnl|CDD|130249 TIGR01181, dTDP_gluc_dehyt, dTDP-glucose 4,6-dehydratase. This
protein is related to UDP-glucose 4-epimerase (GalE) and
likewise has an NAD cofactor [Cell envelope,
Biosynthesis and degradation of surface polysaccharides
and lipopolysaccharides].
Length = 317
Score = 30.0 bits (68), Expect = 0.86
Identities = 38/164 (23%), Positives = 65/164 (39%), Gaps = 17/164 (10%)
Query: 26 RCIVEKLSQHEAIIIALSKTQANLDSLK--QAFPNVQTVQVDLQDWARTRAAVSKVGPVD 83
R I+ + E I++ NL++L + P + V+ D+ D ++ P D
Sbjct: 17 RYILNEHPDAEVIVLDKLTYAGNLENLADLEDNPRYRFVKGDIGDRELVSRLFTEHQP-D 75
Query: 84 VLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMID---HKIQ-----G 135
+++ AA + DR + I++ N+ + + V K + H I G
Sbjct: 76 AVVHFAAESHVDRSIS-GPAAFIET----NVVGTYTLLEAVRKYWHEFRFHHISTDEVYG 130
Query: 136 SIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELG-PYNI 178
+ + T L + YSASKAA D + R G P I
Sbjct: 131 DLEKGDAFTETTPLAPSSPYSASKAASDHLVRAYHRTYGLPALI 174
>gnl|CDD|222146 pfam13460, NAD_binding_10, NADH(P)-binding.
Length = 182
Score = 29.6 bits (67), Expect = 1.1
Identities = 23/98 (23%), Positives = 43/98 (43%), Gaps = 11/98 (11%)
Query: 24 IGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKVGPVD 83
GR +V++L + ALS+ + K P V VQ DL D A A++ VD
Sbjct: 10 TGRRLVKELLARGHQVTALSRNPS-----KAPAPGVTPVQKDLFDLADLAEALA---GVD 61
Query: 84 VLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINIS 121
+++ D ++L+D+ ++ ++ +S
Sbjct: 62 AVVDAFGARPDDSDG---VKHLLDAAARAGVRRIVVVS 96
>gnl|CDD|187645 cd08941, 3KS_SDR_c, 3-keto steroid reductase, classical (c) SDRs.
3-keto steroid reductase (in concert with other enzymes)
catalyzes NADP-dependent sterol C-4 demethylation, as
part of steroid biosynthesis. 3-keto reductase is a
classical SDR, with a well conserved canonical active
site tetrad and fairly well conserved characteristic
NAD-binding motif. SDRs are a functionally diverse
family of oxidoreductases that have a single domain with
a structurally conserved Rossmann fold (alpha/beta
folding pattern with a central beta-sheet), an
NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Classical SDRs are typically about
250 residues long, while extended SDRs are approximately
350 residues. Sequence identity between different SDR
enzymes are typically in the 15-30% range, but the
enzymes share the Rossmann fold NAD-binding motif and
characteristic NAD-binding and catalytic sequence
patterns. These enzymes catalyze a wide range of
activities including the metabolism of steroids,
cofactors, carbohydrates, lipids, aromatic compounds,
and amino acids, and act in redox sensing. Classical
SDRs have an TGXXX[AG]XG cofactor binding motif and a
YXXXK active site motif, with the Tyr residue of the
active site motif serving as a critical catalytic
residue (Tyr-151, human 15-hydroxyprostaglandin
dehydrogenase (15-PGDH) numbering). In addition to the
Tyr and Lys, there is often an upstream Ser (Ser-138,
15-PGDH numbering) and/or an Asn (Asn-107, 15-PGDH
numbering) contributing to the active site; while
substrate binding is in the C-terminal region, which
determines specificity. The standard reaction mechanism
is a 4-pro-S hydride transfer and proton relay involving
the conserved Tyr and Lys, a water molecule stabilized
by Asn, and nicotinamide. Extended SDRs have additional
elements in the C-terminal region, and typically have a
TGXXGXXG cofactor binding motif. Complex (multidomain)
SDRs such as ketoreductase domains of fatty acid
synthase have a GGXGXXG NAD(P)-binding motif and an
altered active site motif (YXXXN). Fungal type ketoacyl
reductases have a TGXXXGX(1-2)G NAD(P)-binding motif.
Some atypical SDRs have lost catalytic activity and/or
have an unusual NAD(P)-binding motif and missing or
unusual active site residues. Reactions catalyzed within
the SDR family include isomerization, decarboxylation,
epimerization, C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 290
Score = 29.7 bits (67), Expect = 1.2
Identities = 43/228 (18%), Positives = 79/228 (34%), Gaps = 58/228 (25%)
Query: 23 GIGRCIVEKLSQHEA------IIIA---LSKTQANLDSLKQAFPN----VQTVQVDLQDW 69
G+G I E+L + +I+A L + +A +L + P+ V VDL +
Sbjct: 12 GLGLAICERLLAEDDENPELTLILACRNLQRAEAACRALLASHPDARVVFDYVLVDLSNM 71
Query: 70 ARTRAAVSKVGP----VDVLINNAAVARFDRF--LDIDEENLIDSIFDVN-----IKAVI 118
AA ++ +D L NA + + +E L + +F V I+A
Sbjct: 72 VSVFAAAKELKKRYPRLDYLYLNAGIMPNPGIDWIGAIKEVLTNPLFAVTNPTYKIQAEG 131
Query: 119 NISQVVSKT----------------MIDHKIQ---------GSIVNVSSI-AGKTALE-- 150
+SQ T + +++ I+ SS+ A
Sbjct: 132 LLSQGDKATEDGLGEVFQTNVFGHYYLIRELEPLLCRSDGGSQIIWTSSLNASPKYFSLE 191
Query: 151 ------GHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQM 192
G YS+SK +D ++ + + + V P + T +
Sbjct: 192 DIQHLKGPAPYSSSKYLVDLLSLALNRKFNKLGVYSYVVHPGICTTNL 239
>gnl|CDD|187673 cd09813, 3b-HSD-NSDHL-like_SDR_e, human NSDHL (NAD(P)H steroid
dehydrogenase-like protein)-like, extended (e) SDRs.
This subgroup includes human NSDHL and related proteins.
These proteins have the characteristic active site
tetrad of extended SDRs, and also have a close match to
their NAD(P)-binding motif. Human NSDHL is a
3beta-hydroxysteroid dehydrogenase (3 beta-HSD) which
functions in the cholesterol biosynthetic pathway. 3
beta-HSD catalyzes the oxidative conversion of delta 5-3
beta-hydroxysteroids to the delta 4-3-keto
configuration; this activity is essential for the
biosynthesis of all classes of hormonal steroids.
Mutations in the gene encoding NSDHL cause CHILD
syndrome (congenital hemidysplasia with ichthyosiform
nevus and limb defects), an X-linked dominant,
male-lethal trait. This subgroup also includes an
unusual bifunctional [3beta-hydroxysteroid dehydrogenase
(3b-HSD)/C-4 decarboxylase from Arabidopsis thaliana,
and Saccharomyces cerevisiae ERG26, a 3b-HSD/C-4
decarboxylase, involved in the synthesis of ergosterol,
the major sterol of yeast. Extended SDRs are distinct
from classical SDRs. In addition to the Rossmann fold
(alpha/beta folding pattern with a central beta-sheet)
core region typical of all SDRs, extended SDRs have a
less conserved C-terminal extension of approximately 100
amino acids. Extended SDRs are a diverse collection of
proteins, and include isomerases, epimerases,
oxidoreductases, and lyases; they typically have a
TGXXGXXG cofactor binding motif. SDRs are a functionally
diverse family of oxidoreductases that have a single
domain with a structurally conserved Rossmann fold, an
NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Sequence identity between different
SDR enzymes is typically in the 15-30% range; they
catalyze a wide range of activities including the
metabolism of steroids, cofactors, carbohydrates,
lipids, aromatic compounds, and amino acids, and act in
redox sensing. Classical SDRs have an TGXXX[AG]XG
cofactor binding motif and a YXXXK active site motif,
with the Tyr residue of the active site motif serving as
a critical catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase numbering). In
addition to the Tyr and Lys, there is often an upstream
Ser and/or an Asn, contributing to the active site;
while substrate binding is in the C-terminal region,
which determines specificity. The standard reaction
mechanism is a 4-pro-S hydride transfer and proton relay
involving the conserved Tyr and Lys, a water molecule
stabilized by Asn, and nicotinamide. Atypical SDRs
generally lack the catalytic residues characteristic of
the SDRs, and their glycine-rich NAD(P)-binding motif is
often different from the forms normally seen in
classical or extended SDRs. Complex (multidomain) SDRs
such as ketoreductase domains of fatty acid sythase have
a GGXGXXG NAD(P)-binding motif and an altered active
site motif (YXXXN). Fungal type ketoacyl reductases have
a TGXXXGX(1-2)G NAD(P)-binding motif.
Length = 335
Score = 29.6 bits (67), Expect = 1.4
Identities = 20/104 (19%), Positives = 42/104 (40%), Gaps = 7/104 (6%)
Query: 24 IGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKVGPVD 83
+GR +VE+L + + + + + + VQ DL D A ++ GP +
Sbjct: 11 LGRHLVEQLLRRGNPTVHVFDIRPTFELDPSSSGRVQFHTGDLTDPQDLEKAFNEKGP-N 69
Query: 84 VLINNAA-VARFDRFLD-----IDEENLIDSIFDVNIKAVINIS 121
V+ + A+ + L N+I++ +K ++ S
Sbjct: 70 VVFHTASPDHGSNDDLYYKVNVQGTRNVIEACRKCGVKKLVYTS 113
>gnl|CDD|187582 cd05274, KR_FAS_SDR_x, ketoreductase (KR) and fatty acid synthase
(FAS), complex (x) SDRs. Ketoreductase, a module of the
multidomain polyketide synthase (PKS), has 2 subdomains,
each corresponding to a SDR family monomer. The
C-terminal subdomain catalyzes the NADPH-dependent
reduction of the beta-carbonyl of a polyketide to a
hydroxyl group, a step in the biosynthesis of
polyketides, such as erythromycin. The N-terminal
subdomain, an interdomain linker, is a truncated
Rossmann fold which acts to stabilizes the catalytic
subdomain. Unlike typical SDRs, the isolated domain does
not oligomerize but is composed of 2 subdomains, each
resembling an SDR monomer. The active site resembles
that of typical SDRs, except that the usual positions of
the catalytic Asn and Tyr are swapped, so that the
canonical YXXXK motif changes to YXXXN. Modular PKSs are
multifunctional structures in which the makeup
recapitulates that found in (and may have evolved from)
FAS. In some instances, such as porcine FAS, an enoyl
reductase (ER) module is inserted between the
sub-domains. Fatty acid synthesis occurs via the
stepwise elongation of a chain (which is attached to
acyl carrier protein, ACP) with 2-carbon units.
Eukaryotic systems consist of large, multifunctional
synthases (type I) while bacterial, type II systems, use
single function proteins. Fungal fatty acid synthase
uses a dodecamer of 6 alpha and 6 beta subunits. In
mammalian type FAS cycles, ketoacyl synthase forms
acetoacetyl-ACP which is reduced by the NADP-dependent
beta-KR, forming beta-hydroxyacyl-ACP, which is in turn
dehydrated by dehydratase to a beta-enoyl intermediate,
which is reduced by NADP-dependent beta-ER. Polyketide
synthesis also proceeds via the addition of 2-carbon
units as in fatty acid synthesis. The complex SDR
NADP-binding motif, GGXGXXG, is often present, but is
not strictly conserved in each instance of the module.
SDRs are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet), an NAD(P)(H)-binding
region, and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRs are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD-binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes catalyze a wide range of activities including
the metabolism of steroids, cofactors, carbohydrates,
lipids, aromatic compounds, and amino acids, and act in
redox sensing. Classical SDRs have an TGXXX[AG]XG
cofactor binding motif and a YXXXK active site motif,
with the Tyr residue of the active site motif serving as
a critical catalytic residue (Tyr-151, human
prostaglandin dehydrogenase (PGDH) numbering). In
addition to the Tyr and Lys, there is often an upstream
Ser (Ser-138, PGDH numbering) and/or an Asn (Asn-107,
PGDH numbering) contributing to the active site; while
substrate binding is in the C-terminal region, which
determines specificity. The standard reaction mechanism
is a 4-pro-S hydride transfer and proton relay involving
the conserved Tyr and Lys, a water molecule stabilized
by Asn, and nicotinamide. Extended SDRs have additional
elements in the C-terminal region, and typically have a
TGXXGXXG cofactor binding motif. Complex (multidomain)
SDRs such as ketoreductase domains of fatty acid
synthase have a GGXGXXG NAD(P)-binding motif and an
altered active site motif (YXXXN). Fungal type KRs have
a TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 375
Score = 29.3 bits (66), Expect = 1.6
Identities = 31/151 (20%), Positives = 59/151 (39%), Gaps = 16/151 (10%)
Query: 23 GIGRCIVEKLSQHEAIIIAL-------SKTQANLDSLKQAFPNVQTVQVDLQDWARTRAA 75
G+G + L+ A + L + A L+ V V+ D+ D A A
Sbjct: 161 GLGLLVARWLAARGARHLVLLSRRGPAPRAAARAALLRAGGARVSVVRCDVTDPAALAAL 220
Query: 76 VSKV---GPVDVLINNAAVARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHK 132
++++ GP+ +I+ A V R ++ ++ + +N+ ++ +D
Sbjct: 221 LAELAAGGPLAGVIHAAGVLRDALLAELTPA-AFAAVLAAKVAGALNLHELTPDLPLDF- 278
Query: 133 IQGSIVNVSSIAGKTALEGHTIYSASKAALD 163
V SS+A G Y+A+ A LD
Sbjct: 279 ----FVLFSSVAALLGGAGQAAYAAANAFLD 305
>gnl|CDD|187570 cd05260, GDP_MD_SDR_e, GDP-mannose 4,6 dehydratase, extended (e)
SDRs. GDP-mannose 4,6 dehydratase, a homodimeric SDR,
catalyzes the NADP(H)-dependent conversion of
GDP-(D)-mannose to GDP-4-keto, 6-deoxy-(D)-mannose in
the fucose biosynthesis pathway. These proteins have the
canonical active site triad and NAD-binding pattern,
however the active site Asn is often missing and may be
substituted with Asp. A Glu residue has been identified
as an important active site base. Extended SDRs are
distinct from classical SDRs. In addition to the
Rossmann fold (alpha/beta folding pattern with a central
beta-sheet) core region typical of all SDRs, extended
SDRs have a less conserved C-terminal extension of
approximately 100 amino acids. Extended SDRs are a
diverse collection of proteins, and include isomerases,
epimerases, oxidoreductases, and lyases; they typically
have a TGXXGXXG cofactor binding motif. SDRs are a
functionally diverse family of oxidoreductases that have
a single domain with a structurally conserved Rossmann
fold, an NAD(P)(H)-binding region, and a structurally
diverse C-terminal region. Sequence identity between
different SDR enzymes is typically in the 15-30% range;
they catalyze a wide range of activities including the
metabolism of steroids, cofactors, carbohydrates,
lipids, aromatic compounds, and amino acids, and act in
redox sensing. Classical SDRs have an TGXXX[AG]XG
cofactor binding motif and a YXXXK active site motif,
with the Tyr residue of the active site motif serving as
a critical catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase numbering). In
addition to the Tyr and Lys, there is often an upstream
Ser and/or an Asn, contributing to the active site;
while substrate binding is in the C-terminal region,
which determines specificity. The standard reaction
mechanism is a 4-pro-S hydride transfer and proton relay
involving the conserved Tyr and Lys, a water molecule
stabilized by Asn, and nicotinamide. Atypical SDRs
generally lack the catalytic residues characteristic of
the SDRs, and their glycine-rich NAD(P)-binding motif is
often different from the forms normally seen in
classical or extended SDRs. Complex (multidomain) SDRs
such as ketoreductase domains of fatty acid synthase
have a GGXGXXG NAD(P)-binding motif and an altered
active site motif (YXXXN). Fungal type ketoacyl
reductases have a TGXXXGX(1-2)G NAD(P)-binding motif.
Length = 316
Score = 28.7 bits (65), Expect = 2.3
Identities = 30/151 (19%), Positives = 48/151 (31%), Gaps = 24/151 (15%)
Query: 41 ALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKVGPVDVLINNAAVARFDRFLDI 100
+ S +D L + DL D + R A+ KV P D + + AA + D
Sbjct: 33 SSSFNTDRIDHLYINKDRITLHYGDLTDSSSLRRAIEKVRP-DEIYHLAAQSHVKVSFDD 91
Query: 101 DEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIVNVSS-----------IAGKTAL 149
E +VN +N+ + + + SS + T
Sbjct: 92 PEYTA-----EVNAVGTLNLLE----AIRILGLDARFYQASSSEEYGKVQELPQSETTPF 142
Query: 150 EGHTIYSASKAALDSITRTMALELGPYNIRV 180
+ Y+ SK D ITR Y +
Sbjct: 143 RPRSPYAVSKLYADWITRNYREA---YGLFA 170
>gnl|CDD|235736 PRK06196, PRK06196, oxidoreductase; Provisional.
Length = 315
Score = 28.9 bits (65), Expect = 2.5
Identities = 21/74 (28%), Positives = 33/74 (44%), Gaps = 6/74 (8%)
Query: 23 GIGRCIVEKLSQHEA-IIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKVG- 80
G+G L+Q A +I+ + ++L V+ V +DL D RA +
Sbjct: 37 GLGLETTRALAQAGAHVIVPARRPDVAREALA-GIDGVEVVMLDLADLESVRAFAERFLD 95
Query: 81 ---PVDVLINNAAV 91
+D+LINNA V
Sbjct: 96 SGRRIDILINNAGV 109
>gnl|CDD|218631 pfam05548, Peptidase_M11, Gametolysin peptidase M11. In the
unicellular biflagellated alga, Chlamydomonas
reinhardtii, gametolysin, a zinc-containing
metallo-protease, is responsible for the degradation of
the cell wall. Homologues of gametolysin have also been
reported in the simple multicellular organism, Volvox.
Length = 303
Score = 28.3 bits (63), Expect = 3.6
Identities = 13/45 (28%), Positives = 19/45 (42%), Gaps = 8/45 (17%)
Query: 191 QMGRTGWSDPAKAGPMLAKTPLGRFAGKLKPKPWNR-WLLPSVGL 234
++ R GW+ PA G L + L R W+LP+ L
Sbjct: 178 EISRMGWATPATGGGALN-------SDNLTTAGSARRWVLPATYL 215
>gnl|CDD|183585 PRK12548, PRK12548, shikimate 5-dehydrogenase; Provisional.
Length = 289
Score = 28.2 bits (63), Expect = 3.6
Identities = 10/45 (22%), Positives = 20/45 (44%), Gaps = 3/45 (6%)
Query: 43 SKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKVGPVDVLIN 87
+ + + +KQ P DL D + +A ++ D+L+N
Sbjct: 164 ERAEQTAEKIKQEVPECIVNVYDLNDTEKLKAEIAS---SDILVN 205
>gnl|CDD|237016 PRK11903, PRK11903, aldehyde dehydrogenase; Provisional.
Length = 521
Score = 28.1 bits (63), Expect = 4.0
Identities = 13/41 (31%), Positives = 18/41 (43%), Gaps = 4/41 (9%)
Query: 153 TIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
++YS A L ALEL + RV+ + P V G
Sbjct: 431 SVYSDDAAFL----AAAALELADSHGRVHVISPDVAALHTG 467
>gnl|CDD|237044 PRK12294, hisZ, ATP phosphoribosyltransferase regulatory subunit;
Provisional.
Length = 272
Score = 27.9 bits (62), Expect = 4.5
Identities = 15/45 (33%), Positives = 22/45 (48%), Gaps = 1/45 (2%)
Query: 28 IVEKLS-QHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWAR 71
+V LS +H + I TQ L+ L+ PN V+L+ W R
Sbjct: 170 LVTYLSTEHPIVQILKENTQQQLNVLEHYIPNDHPALVELKIWER 214
>gnl|CDD|211974 TIGR04251, SCM_rSAM_ScmF, SynChlorMet cassette radical SAM/SPASM
protein ScmF. A biosynthesis cassette found in
Syntrophobacter fumaroxidans MPOB, Chlorobium limicola
DSM 245, Methanocella paludicola SANAE, and delta
proteobacterium NaphS2 contains two PqqE-like radical
SAM/SPASM domain proteins, a PqqD homolog, and a
conserved hypothetical protein. These components suggest
modification of a ribosomally produced peptide
precursor, but the precursor has not been identified. Of
the two PqqE homologs of the cassette, this family is
the more distant in sequence.
Length = 353
Score = 27.9 bits (62), Expect = 4.8
Identities = 13/44 (29%), Positives = 23/44 (52%), Gaps = 1/44 (2%)
Query: 153 TIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMGRTG 196
T+ + ++ I R +A LG +++ N VQPT ++M G
Sbjct: 153 TVTRRNVGQMEQIVR-LAESLGAESVKFNHVQPTSRGSKMHENG 195
>gnl|CDD|217210 pfam02738, Ald_Xan_dh_C2, Molybdopterin-binding domain of aldehyde
dehydrogenase.
Length = 543
Score = 27.6 bits (62), Expect = 6.0
Identities = 15/61 (24%), Positives = 22/61 (36%), Gaps = 10/61 (16%)
Query: 130 DHKIQGSIVNVSSIAGKTALEGHTIYSASKAALDSITRTMALELGPYNIRVNSVQPTVVM 189
D KI V++ + G A + + R LGPY I ++ T V
Sbjct: 154 DGKITALDVDILADGGAYADLSDPV----------VERAGLHALGPYKIPNIRIEGTAVY 203
Query: 190 T 190
T
Sbjct: 204 T 204
>gnl|CDD|225337 COG2716, GcvR, Glycine cleavage system regulatory protein [Amino
acid transport and metabolism].
Length = 176
Score = 27.3 bits (61), Expect = 6.1
Identities = 18/93 (19%), Positives = 30/93 (32%), Gaps = 17/93 (18%)
Query: 24 IGRCIVE--------KLSQHE---AIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWART 72
+ R + +L+ A I+ +S + + L+ P + L RT
Sbjct: 22 LARAVASSGCNWLESRLAMLGEEFAGIMLISGSWDAVTLLEATLPLLGAELDLLVVMKRT 81
Query: 73 RAAVSKVGP----VDVLINNAA--VARFDRFLD 99
A + P V V N+ V F D
Sbjct: 82 GAHPTPANPAPVWVYVDANDRPGIVEEFTALFD 114
>gnl|CDD|187562 cd05252, CDP_GD_SDR_e, CDP-D-glucose 4,6-dehydratase, extended (e)
SDRs. This subgroup contains CDP-D-glucose
4,6-dehydratase, an extended SDR, which catalyzes the
conversion of CDP-D-glucose to
CDP-4-keto-6-deoxy-D-glucose. This subgroup has the
characteristic active site tetrad and NAD-binding motif
of the extended SDRs. Extended SDRs are distinct from
classical SDRs. In addition to the Rossmann fold
(alpha/beta folding pattern with a central beta-sheet)
core region typical of all SDRs, extended SDRs have a
less conserved C-terminal extension of approximately 100
amino acids. Extended SDRs are a diverse collection of
proteins, and include isomerases, epimerases,
oxidoreductases, and lyases; they typically have a
TGXXGXXG cofactor binding motif. SDRs are a functionally
diverse family of oxidoreductases that have a single
domain with a structurally conserved Rossmann fold, an
NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Sequence identity between different
SDR enzymes is typically in the 15-30% range; they
catalyze a wide range of activities including the
metabolism of steroids, cofactors, carbohydrates,
lipids, aromatic compounds, and amino acids, and act in
redox sensing. Classical SDRs have an TGXXX[AG]XG
cofactor binding motif and a YXXXK active site motif,
with the Tyr residue of the active site motif serving as
a critical catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase numbering). In
addition to the Tyr and Lys, there is often an upstream
Ser and/or an Asn, contributing to the active site;
while substrate binding is in the C-terminal region,
which determines specificity. The standard reaction
mechanism is a 4-pro-S hydride transfer and proton relay
involving the conserved Tyr and Lys, a water molecule
stabilized by Asn, and nicotinamide. Atypical SDRs
generally lack the catalytic residues characteristic of
the SDRs, and their glycine-rich NAD(P)-binding motif is
often different from the forms normally seen in
classical or extended SDRs. Complex (multidomain) SDRs
such as ketoreductase domains of fatty acid synthase
have a GGXGXXG NAD(P)-binding motif and an altered
active site motif (YXXXN). Fungal type ketoacyl
reductases have a TGXXXGX(1-2)G NAD(P)-binding motif.
Length = 336
Score = 27.7 bits (62), Expect = 6.2
Identities = 8/23 (34%), Positives = 11/23 (47%)
Query: 148 ALEGHTIYSASKAALDSITRTMA 170
L GH YS+SK + I +
Sbjct: 145 PLGGHDPYSSSKGCAELIISSYR 167
>gnl|CDD|216988 pfam02353, CMAS, Mycolic acid cyclopropane synthetase. This family
consist of Cyclopropane-fatty-acyl-phospholipid synthase
or CFA synthase EC:2.1.1.79 this enzyme catalyze the
reaction: S-adenosyl-L-methionine + phospholipid
olefinic fatty acid <=> S-adenosyl-L-homocysteine +
phospholipid cyclopropane fatty acid.
Length = 273
Score = 27.3 bits (61), Expect = 6.6
Identities = 14/62 (22%), Positives = 23/62 (37%), Gaps = 8/62 (12%)
Query: 40 IALSKTQANLDSLKQAFPNVQT---VQVDLQDWARTRAAVSKVGPVDV-LINNAAVARFD 95
+ LSK Q +Q V+V LQD+ ++ V V + + +D
Sbjct: 91 LTLSKNQYKHA--RQRVAAEGLQRKVEVLLQDYRDFDEPFDRI--VSVGMFEHVGHENYD 146
Query: 96 RF 97
F
Sbjct: 147 TF 148
>gnl|CDD|132628 TIGR03589, PseB, UDP-N-acetylglucosamine 4,6-dehydratase. This
enzyme catalyzes the first step in the biosynthesis of
pseudaminic acid, the conversion of
UDP-N-acetylglucosamine to
UDP-4-keto-6-deoxy-N-acetylglucosamine. These sequences
are members of the broader pfam01073 (3-beta
hydroxysteroid dehydrogenase/isomerase family) family.
Length = 324
Score = 27.4 bits (61), Expect = 7.0
Identities = 23/89 (25%), Positives = 42/89 (47%), Gaps = 20/89 (22%)
Query: 50 DSLKQ-------AFPNVQTVQVDLQDWARTRAAVSKVGPVDVLINNAAV-----ARFDRF 97
D LKQ P ++ D++D R A+ V D +++ AA+ A ++ F
Sbjct: 39 DELKQWEMQQKFPAPCLRFFIGDVRDKERLTRALRGV---DYVVHAAALKQVPAAEYNPF 95
Query: 98 ----LDID-EENLIDSIFDVNIKAVINIS 121
+I+ +N+ID+ D +K V+ +S
Sbjct: 96 ECIRTNINGAQNVIDAAIDNGVKRVVALS 124
>gnl|CDD|187547 cd05236, FAR-N_SDR_e, fatty acyl CoA reductases (FARs), extended
(e) SDRs. SDRs are Rossmann-fold NAD(P)H-binding
proteins, many of which may function as fatty acyl CoA
reductases (FAR), acting on medium and long chain fatty
acids, and have been reported to be involved in diverse
processes such as biosynthesis of insect pheromones,
plant cuticular wax production, and mammalian wax
biosynthesis. In Arabidopsis thaliana, proteins with
this particular architecture have also been identified
as the MALE STERILITY 2 (MS2) gene product, which is
implicated in male gametogenesis. Mutations in MS2
inhibit the synthesis of exine (sporopollenin),
rendering plants unable to reduce pollen wall fatty
acids to corresponding alcohols. This N-terminal domain
shares the catalytic triad (but not the upstream Asn)
and characteristic NADP-binding motif of the extended
SDR family. Extended SDRs are distinct from classical
SDRs. In addition to the Rossmann fold (alpha/beta
folding pattern with a central beta-sheet) core region
typical of all SDRs, extended SDRs have a less conserved
C-terminal extension of approximately 100 amino acids.
Extended SDRs are a diverse collection of proteins, and
include isomerases, epimerases, oxidoreductases, and
lyases; they typically have a TGXXGXXG cofactor binding
motif. SDRs are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold, an
NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Sequence identity between different
SDR enzymes is typically in the 15-30% range; they
catalyze a wide range of activities including the
metabolism of steroids, cofactors, carbohydrates,
lipids, aromatic compounds, and amino acids, and act in
redox sensing. Classical SDRs have an TGXXX[AG]XG
cofactor binding motif and a YXXXK active site motif,
with the Tyr residue of the active site motif serving as
a critical catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase numbering). In
addition to the Tyr and Lys, there is often an upstream
Ser and/or an Asn, contributing to the active site;
while substrate binding is in the C-terminal region,
which determines specificity. The standard reaction
mechanism is a 4-pro-S hydride transfer and proton relay
involving the conserved Tyr and Lys, a water molecule
stabilized by Asn, and nicotinamide. Atypical SDRs
generally lack the catalytic residues characteristic of
the SDRs, and their glycine-rich NAD(P)-binding motif is
often different from the forms normally seen in
classical or extended SDRs. Complex (multidomain) SDRs
such as ketoreductase domains of fatty acid synthase
have a GGXGXXG NAD(P)-binding motif and an altered
active site motif (YXXXN). Fungal type ketoacyl
reductases have a TGXXXGX(1-2)G NAD(P)-binding motif.
Length = 320
Score = 27.3 bits (61), Expect = 8.2
Identities = 8/19 (42%), Positives = 12/19 (63%)
Query: 82 VDVLINNAAVARFDRFLDI 100
V+++I+ AA FD LD
Sbjct: 95 VNIIIHCAATVTFDERLDE 113
>gnl|CDD|180774 PRK06953, PRK06953, short chain dehydrogenase; Provisional.
Length = 222
Score = 27.0 bits (60), Expect = 8.4
Identities = 42/178 (23%), Positives = 75/178 (42%), Gaps = 14/178 (7%)
Query: 23 GIGRCIVEKLSQHEAIIIALSKTQANLDSLKQAFPNVQTVQVDLQDWARTRAAVSKVG-- 80
GIGR V + +IA ++ A L +L+ + + +D+ D A K+
Sbjct: 12 GIGREFVRQYRADGWRVIATARDAAALAALQAL--GAEALALDVADPASVAGLAWKLDGE 69
Query: 81 PVDVLINNAAV--ARFDRFLDIDEENLIDSIFDVNIKAVINISQVVSKTMIDHKIQGSIV 138
+D + A V R + I E+ D++ N+ + + ++ + G +
Sbjct: 70 ALDAAVYVAGVYGPRTEGVEPITREDF-DAVMHTNVLGPMQLLPILLPLVEAA--GGVLA 126
Query: 139 NVSSIAGKTA-LEGHT--IYSASKAALDSITRTMALELGPYNIRVNSVQPTVVMTQMG 193
+SS G G T +Y ASKAAL+ R +L+ + + ++ P V T MG
Sbjct: 127 VLSSRMGSIGDATGTTGWLYRASKAALNDALRAASLQ-ARHATCI-ALHPGWVRTDMG 182
>gnl|CDD|100801 PRK01172, PRK01172, ski2-like helicase; Provisional.
Length = 674
Score = 27.2 bits (60), Expect = 9.8
Identities = 16/40 (40%), Positives = 22/40 (55%), Gaps = 4/40 (10%)
Query: 137 IVNVSSIAGKTALEGHTIYSASKAALDSI----TRTMALE 172
IV+V + AGKT + IY A L SI R++A+E
Sbjct: 41 IVSVPTAAGKTLIAYSAIYETFLAGLKSIYIVPLRSLAME 80
Database: CDD.v3.10
Posted date: Mar 20, 2013 7:55 AM
Number of letters in database: 10,937,602
Number of sequences in database: 44,354
Lambda K H
0.318 0.133 0.393
Gapped
Lambda K H
0.267 0.0845 0.140
Matrix: BLOSUM62
Gap Penalties: Existence: 11, Extension: 1
Number of Sequences: 44354
Number of Hits to DB: 11,846,196
Number of extensions: 1088582
Number of successful extensions: 1734
Number of sequences better than 10.0: 1
Number of HSP's gapped: 1347
Number of HSP's successfully gapped: 316
Length of query: 238
Length of database: 10,937,602
Length adjustment: 94
Effective length of query: 144
Effective length of database: 6,768,326
Effective search space: 974638944
Effective search space used: 974638944
Neighboring words threshold: 11
Window for multiple hits: 40
X1: 16 ( 7.3 bits)
X2: 38 (14.6 bits)
X3: 64 (24.7 bits)
S1: 41 (21.7 bits)
S2: 57 (25.5 bits)