RPS-BLAST 2.2.26 [Sep-21-2011]
Database: CDD.v3.10
44,354 sequences; 10,937,602 total letters
Searching..................................................done
Query= psy11190
(248 letters)
>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 = 247 bits (632), Expect = 7e-83
Identities = 103/248 (41%), Positives = 149/248 (60%), Gaps = 21/248 (8%)
Query: 4 ILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELDVT 63
+LITG +RG+GL +++ L+ + ATCR+ A EL AL HS LH++ELDVT
Sbjct: 1 VLITGASRGIGLELVRQLL---ARGNNTVIATCRDPSAATELAALGASHSRLHILELDVT 57
Query: 64 DFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAPLML 123
D + + +++ + D GL+VL+NNAGI + + E + + F VNV PL+L
Sbjct: 58 DEIAES---AEAVAERLGDAGLDVLINNAGILHSYGPASEVDSEDLLEVFQVNVLGPLLL 114
Query: 124 TKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAATR 183
T+ LPLL K +RA I+N+SS +GSI DNT GG++ YR SKAALN T+
Sbjct: 115 TQAFLPLLLK-----------GARAKIINISSRVGSIGDNTSGGWYSYRASKAALNMLTK 163
Query: 184 SLSIDLKGDKIIATAMHPGWVKTDMGGSNA----PLEVGAATAGIIQFIQSLGEAHNGGF 239
SL+++LK D I ++HPGWV+TDMGG A P+ + AG+++ I +L E +G F
Sbjct: 164 SLAVELKRDGITVVSLHPGWVRTDMGGPFAKNKGPITPEESVAGLLKVIDNLNEEDSGKF 223
Query: 240 FEYTGKAI 247
+Y G I
Sbjct: 224 LDYDGTEI 231
>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 = 164 bits (418), Expect = 1e-50
Identities = 79/247 (31%), Positives = 110/247 (44%), Gaps = 25/247 (10%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA-LAQQHSNLHVIEL 60
K L+TG NRG+G +++ L G + T R+ ++ + L + ++ +L
Sbjct: 1 KVALVTGANRGIGFEIVRQLAKSGPG---TVILTARDVERGQAAVEKLRAEGLSVRFHQL 57
Query: 61 DVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAP 120
DVTD + + + K GL++LVNNAGIA K EQ + N
Sbjct: 58 DVTD-DASIEAAADFVEE--KYGGLDILVNNAGIAFKGFDDSTPTREQARETMKTNFFGT 114
Query: 121 LMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNA 180
+ +T+ +LPLLKK S IVNVSS +GS+ Y SKAALNA
Sbjct: 115 VDVTQALLPLLKK-----------SPAGRIVNVSSGLGSLTS-------AYGVSKAALNA 156
Query: 181 ATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPLEVGAATAGIIQFIQSLGEAHNGGFF 240
TR L+ +LK I A PGWVKTDMGG AP + + G F
Sbjct: 157 LTRILAKELKETGIKVNACCPGWVKTDMGGGKAPKTPEEGAETPVYLALLPPDGEPTGKF 216
Query: 241 EYTGKAI 247
K +
Sbjct: 217 FSDKKVV 223
>gnl|CDD|236173 PRK08177, PRK08177, short chain dehydrogenase; Provisional.
Length = 225
Score = 133 bits (336), Expect = 2e-38
Identities = 75/252 (29%), Positives = 118/252 (46%), Gaps = 34/252 (13%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIEL 60
++ LI G +RGLGLG++ L + + AT R + L AL H + +L
Sbjct: 1 KRTALIIGASRGLGLGLVDRL----LERGWQVTATVRGPQQDTALQALPGVH----IEKL 52
Query: 61 DVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIA-AKFTRLGLLKPEQMTDHFLVNVTA 119
D+ D + + ++ Q ++L NAGI+ ++ FL N A
Sbjct: 53 DMND---PASL--DQLLQRLQGQRFDLLFVNAGISGPAHQSAADATAAEIGQLFLTNAIA 107
Query: 120 PLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALN 179
P+ L + +L ++ + +SS +GS+E G Y+ SKAALN
Sbjct: 108 PIRLARRLLGQVRPGQ------------GVLAFMSSQLGSVELPDGGEMPLYKASKAALN 155
Query: 180 AATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPLEVGAATAGIIQFIQSLGEAHNG-- 237
+ TRS +L + +MHPGWVKTDMGG NAPL+V + G+++ I EA +G
Sbjct: 156 SMTRSFVAELGEPTLTVLSMHPGWVKTDMGGDNAPLDVETSVKGLVEQI----EAASGKG 211
Query: 238 --GFFEYTGKAI 247
F +Y G+ +
Sbjct: 212 GHRFIDYQGETL 223
>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 = 124 bits (313), Expect = 7e-35
Identities = 68/222 (30%), Positives = 99/222 (44%), Gaps = 22/222 (9%)
Query: 4 ILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELDVT 63
L+TG + G+G + + L G A + RN++ EL A+ N ++ DV+
Sbjct: 1 ALVTGASSGIGRAIARRLAREG----AKVVLADRNEEALAELAAIEALGGNAVAVQADVS 56
Query: 64 DFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAPLML 123
D + + L ++ + + L++LVNNAGIA + L L E VN+T +L
Sbjct: 57 D-EEDVEALVEEA--LEEFGRLDILVNNAGIA-RPGPLEELTDEDWDRVLDVNLTGVFLL 112
Query: 124 TKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAATR 183
T+ LP +KK IVN+SS+ G G Y SKAAL TR
Sbjct: 113 TRAALPHMKK-----------QGGGRIVNISSVAGLR---PLPGQAAYAASKAALEGLTR 158
Query: 184 SLSIDLKGDKIIATAMHPGWVKTDMGGSNAPLEVGAATAGII 225
SL+++L I A+ PG V T M P E A I
Sbjct: 159 SLALELAPYGIRVNAVAPGLVDTPMLAKLGPEEAEKELAAAI 200
>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 = 119 bits (301), Expect = 6e-33
Identities = 58/210 (27%), Positives = 90/210 (42%), Gaps = 23/210 (10%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQ--HSNLHVI 58
K L+TG + G+G + + L G + A ++ A L A ++ +
Sbjct: 5 GKVALVTGASSGIGRAIARALAREGAR--VVVAARRSEEEAAEALAAAIKEAGGGRAAAV 62
Query: 59 ELDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVT 118
DV+D + + L + +++LVNNAGIA L L E VN+
Sbjct: 63 AADVSDDEESVEALVAAAEEEF--GRIDILVNNAGIAGPDAPLEELTEEDWDRVIDVNLL 120
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAAL 178
+LT+ LPL+KK IVN+SS+ G G Y SKAAL
Sbjct: 121 GAFLLTRAALPLMKKQR--------------IVNISSVAGLG---GPPGQAAYAASKAAL 163
Query: 179 NAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
T++L+++L I A+ PG++ T M
Sbjct: 164 IGLTKALALELAPRGIRVNAVAPGYIDTPM 193
>gnl|CDD|180774 PRK06953, PRK06953, short chain dehydrogenase; Provisional.
Length = 222
Score = 114 bits (287), Expect = 3e-31
Identities = 78/250 (31%), Positives = 114/250 (45%), Gaps = 33/250 (13%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIEL 60
MK++LI G +RG+G ++ G + AT R+ L AL + L
Sbjct: 1 MKTVLIVGASRGIGREFVRQYRADGWR----VIATARDAAALAALQALGA-----EALAL 51
Query: 61 DVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLV---NV 117
DV D + + +K + + L+ V AG+ R ++P D V NV
Sbjct: 52 DVADPASVAGLAWK-----LDGEALDAAVYVAGVYG--PRTEGVEPITREDFDAVMHTNV 104
Query: 118 TAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAA 177
P+ L +LPL++ A + +SS MGSI D T YR SKAA
Sbjct: 105 LGPMQLLPILLPLVEAA------------GGVLAVLSSRMGSIGDATGTTGWLYRASKAA 152
Query: 178 LNAATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPLEVGAATAGIIQFIQSLGEAHNG 237
LN A R+ S+ + IA +HPGWV+TDMGG+ A L+ + AG+ + I NG
Sbjct: 153 LNDALRAASLQARHATCIA--LHPGWVRTDMGGAQAALDPAQSVAGMRRVIAQATRRDNG 210
Query: 238 GFFEYTGKAI 247
FF+Y G +
Sbjct: 211 RFFQYDGVEL 220
>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 = 113 bits (284), Expect = 2e-30
Identities = 76/213 (35%), Positives = 105/213 (49%), Gaps = 24/213 (11%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K +LITGC+ G+GL + L Q + AT RN DK +E L NL V+ELD
Sbjct: 1 KVVLITGCSSGIGLALALALA----AQGYRVIATARNPDK-LESLGELLN-DNLEVLELD 54
Query: 62 VTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAPL 121
VTD + K++ + + ++VLVNNAG E++ + F VNV PL
Sbjct: 55 VTD-EESIKAAVKEVIE--RFGRIDVLVNNAGYGLFGPLEETS-IEEVRELFEVNVFGPL 110
Query: 122 MLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAA 181
+T+ LPL++K GS R IVNVSS+ G + PY SKAAL A
Sbjct: 111 RVTRAFLPLMRKQ---------GSGR--IVNVSSVAGLV---PTPFLGPYCASKAALEAL 156
Query: 182 TRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAP 214
+ SL ++L I T + PG V+T + A
Sbjct: 157 SESLRLELAPFGIKVTIIEPGPVRTGFADNAAG 189
>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 = 101 bits (254), Expect = 7e-26
Identities = 65/227 (28%), Positives = 105/227 (46%), Gaps = 45/227 (19%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA-LAQQ--HSNLHV 57
K ++ITG N G+G + L G AH+ CRN++K E A + ++ ++ + V
Sbjct: 1 GKVVVITGANSGIGKETARELAKRG----AHVIIACRNEEKGEEAAAEIKKETGNAKVEV 56
Query: 58 IELDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTD-----H 112
I+LD++ ++ L++L+NNAGI + P ++T
Sbjct: 57 IQLDLSSL-ASVRQFAEEFLARFPR--LDILINNAGI--------MAPPRRLTKDGFELQ 105
Query: 113 FLVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSI---MGSIEDNTQ---- 165
F VN +LT +LP+LK ++ + IVNVSSI G I+ N
Sbjct: 106 FAVNYLGHFLLTNLLLPVLKASAPSR-----------IVNVSSIAHRAGPIDFNDLDLEN 154
Query: 166 -GGFHPYRC---SKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
+ PY+ SK A TR L+ L+G + A+HPG V+T++
Sbjct: 155 NKEYSPYKAYGQSKLANILFTRELARRLEGTGVTVNALHPGVVRTEL 201
>gnl|CDD|183775 PRK12826, PRK12826, 3-ketoacyl-(acyl-carrier-protein) reductase;
Reviewed.
Length = 251
Score = 98.5 bits (246), Expect = 7e-25
Identities = 60/222 (27%), Positives = 84/222 (37%), Gaps = 22/222 (9%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELL-ALAQQHSNLHVIEL 60
+ L+TG RG+G + L G A + D A + ++
Sbjct: 7 RVALVTGAARGIGRAIAVRLAADG----AEVIVVDICGDDAAATAELVEAAGGKARARQV 62
Query: 61 DVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAP 120
DV D V L++LV NAGI T + EQ VN+T
Sbjct: 63 DVRD-RAALKAAVAAG--VEDFGRLDILVANAGIFPL-TPFAEMDDEQWERVIDVNLTGT 118
Query: 121 LMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNA 180
+LT+ LP L +A IV SS+ G G H Y SKA L
Sbjct: 119 FLLTQAALPALIRAG-----------GGRIVLTSSVAGPRVGYP-GLAH-YAASKAGLVG 165
Query: 181 ATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPLEVGAATA 222
TR+L+++L I ++HPG V T M G+ + A A
Sbjct: 166 FTRALALELAARNITVNSVHPGGVDTPMAGNLGDAQWAEAIA 207
>gnl|CDD|235546 PRK05653, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Validated.
Length = 246
Score = 96.8 bits (242), Expect = 3e-24
Identities = 57/209 (27%), Positives = 89/209 (42%), Gaps = 23/209 (11%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA-LAQQHSNLHVIE 59
K+ L+TG +RG+G + L G A + N++ A L A L V+
Sbjct: 5 GKTALVTGASRGIGRAIALRLAADG----AKVVIYDSNEEAAEALAAELRAAGGEARVLV 60
Query: 60 LDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTA 119
DV+D + L + + L++LVNNAGI L + E VN+T
Sbjct: 61 FDVSDEA-AVRALIEAAVEA--FGALDILVNNAGITR-DALLPRMSEEDWDRVIDVNLTG 116
Query: 120 PLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALN 179
+ + LP + KA IVN+SS+ G G Y +KA +
Sbjct: 117 TFNVVRAALPPMIKAR-----------YGRIVNISSVSGVT---GNPGQTNYSAAKAGVI 162
Query: 180 AATRSLSIDLKGDKIIATAMHPGWVKTDM 208
T++L+++L I A+ PG++ TDM
Sbjct: 163 GFTKALALELASRGITVNAVAPGFIDTDM 191
>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 = 97.3 bits (243), Expect = 3e-24
Identities = 68/219 (31%), Positives = 105/219 (47%), Gaps = 36/219 (16%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDK--AVELLALAQQHSNLHVIE 59
K++LITGC+ G G + K L LG + A C K+ A EL + L ++
Sbjct: 1 KAVLITGCDSGFGNLLAKKLDSLG----FTVLAGCLTKNGPGAKELRRVCS--DRLRTLQ 54
Query: 60 LDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMT--DHFL--- 114
LDVT +Q + + + V ++GL LVNNAGI LG E++ D +
Sbjct: 55 LDVTK-PEQIKRAAQWVKEHVGEKGLWGLVNNAGI------LGFGGDEELLPMDDYRKCM 107
Query: 115 -VNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRC 173
VN+ + +TK LPLL++A + +VNVSS+ G + G Y
Sbjct: 108 EVNLFGTVEVTKAFLPLLRRA------------KGRVVNVSSMGGRVPFPAGGA---YCA 152
Query: 174 SKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDMGGSN 212
SKAA+ A + SL +L+ + + + PG KT + G++
Sbjct: 153 SKAAVEAFSDSLRRELQPWGVKVSIIEPGNFKTGITGNS 191
>gnl|CDD|223377 COG0300, DltE, Short-chain dehydrogenases of various substrate
specificities [General function prediction only].
Length = 265
Score = 96.2 bits (240), Expect = 8e-24
Identities = 51/211 (24%), Positives = 88/211 (41%), Gaps = 26/211 (12%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA-LAQQHSN-LHVI 58
K+ LITG + G+G + K L G ++ R +DK L L + + VI
Sbjct: 6 GKTALITGASSGIGAELAKQLARRG----YNLILVARREDKLEALAKELEDKTGVEVEVI 61
Query: 59 ELDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVT 118
D++D + + + ++VLVNNAG F L ++ + +N+
Sbjct: 62 PADLSDPEALERLEDELKERGGP---IDVLVNNAGFGT-FGPFLELSLDEEEEMIQLNIL 117
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHP-YRCSKAA 177
A LTK +LP + + I+N+ S G + Y +KA
Sbjct: 118 ALTRLTKAVLPGMVE-----------RGAGHIINIGSAAG----LIPTPYMAVYSATKAF 162
Query: 178 LNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
+ + + +L +LKG + TA+ PG +T+
Sbjct: 163 VLSFSEALREELKGTGVKVTAVCPGPTRTEF 193
>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 = 93.6 bits (233), Expect = 3e-23
Identities = 64/251 (25%), Positives = 106/251 (42%), Gaps = 35/251 (13%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K++L+TG NRG+G ++ L+ G ++A R+ A L+A + + LD
Sbjct: 4 KTVLVTGANRGIGKAFVESLLAHG---AKKVYAAVRDPGSAAHLVAKYG--DKVVPLRLD 58
Query: 62 VTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTD---HFLVNVT 118
VTD K + KD ++V++NNAG+ LL+ + VNV
Sbjct: 59 VTDPES-----IKAAAAQAKD--VDVVINNAGV---LKPATLLEEGALEALKQEMDVNVF 108
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAAL 178
L L + P+LK + AIVN++S+ G Y SK+A
Sbjct: 109 GLLRLAQAFAPVLKA-----------NGGGAIVNLNSVASLKNFPAMGT---YSASKSAA 154
Query: 179 NAATRSLSIDLKGDKIIATAMHPGWVKTDMG-GSNAPLEVGAATAGIIQFIQSLGEAHNG 237
+ T+ L +L + ++HPG + T M G+ P E A + +++L
Sbjct: 155 YSLTQGLRAELAAQGTLVLSVHPGPIDTRMAAGAGGPKESPETVAEAV--LKALKAGEFH 212
Query: 238 GFFEYTGKAIK 248
F + K +K
Sbjct: 213 VFPDEMAKQVK 223
>gnl|CDD|180744 PRK06914, PRK06914, short chain dehydrogenase; Provisional.
Length = 280
Score = 91.2 bits (227), Expect = 6e-22
Identities = 65/213 (30%), Positives = 97/213 (45%), Gaps = 34/213 (15%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHS---NLHVI 58
K ++TG + G GL L G + AT RN +K LL+ A Q + N+ V
Sbjct: 4 KIAIVTGASSGFGLLTTLELAKKG----YLVIATMRNPEKQENLLSQATQLNLQQNIKVQ 59
Query: 59 ELDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIA-AKFTRLGLLKPEQMTDHFLVN 116
+LDVTD + + V+K+ G +++LVNNAG A F + E+ F N
Sbjct: 60 QLDVTDQNS-----IHNFQLVLKEIGRIDLLVNNAGYANGGFVEEIPV--EEYRKQFETN 112
Query: 117 VTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQG--GFHPYRCS 174
V + +T+ +LP ++K I+N+SSI G + G G PY S
Sbjct: 113 VFGAISVTQAVLPYMRK-----------QKSGKIINISSISGRV-----GFPGLSPYVSS 156
Query: 175 KAALNAATRSLSIDLKGDKIIATAMHPGWVKTD 207
K AL + SL ++LK I + PG T+
Sbjct: 157 KYALEGFSESLRLELKPFGIDVALIEPGSYNTN 189
>gnl|CDD|236372 PRK09072, PRK09072, short chain dehydrogenase; Provisional.
Length = 263
Score = 90.0 bits (224), Expect = 1e-21
Identities = 63/217 (29%), Positives = 96/217 (44%), Gaps = 42/217 (19%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSN---LHVI 58
K +L+TG + G+G + + L G A + RN +K L ALA + +
Sbjct: 6 KRVLLTGASGGIGQALAEALAAAG----ARLLLVGRNAEK---LEALAARLPYPGRHRWV 58
Query: 59 ELDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVT 118
D+T + ++ VL + + G+NVL+NNAG+ F L PE + +N+T
Sbjct: 59 VADLTSEAGREAVL----ARAREMGGINVLINNAGVNH-FALLEDQDPEAIERLLALNLT 113
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQG--GFHPYRCSKA 176
AP+ LT+ +LPLL+ A +VNV S GSI G G+ Y SK
Sbjct: 114 APMQLTRALLPLLRAQ-----------PSAMVVNVGSTFGSI-----GYPGYASYCASKF 157
Query: 177 ALNAATRSLSIDLKGDKI---------IATAMHPGWV 204
AL + +L +L + TAM+ V
Sbjct: 158 ALRGFSEALRRELADTGVRVLYLAPRATRTAMNSEAV 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 = 89.3 bits (222), Expect = 1e-21
Identities = 57/209 (27%), Positives = 92/209 (44%), Gaps = 29/209 (13%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K L+TG +RG+G+ + + L + RN + L A ++ + D
Sbjct: 1 KVALVTGASRGIGIEIARALA----RDGYRVSLGLRNPEDLAALSASGG---DVEAVPYD 53
Query: 62 VTDFSKQQDVLFKDISDVVKD--QGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTA 119
D + + D ++D ++VLV+NAGI T L ++ HF +NV A
Sbjct: 54 ARDPEDARAL-----VDALRDRFGRIDVLVHNAGIGRP-TTLREGSDAELEAHFSINVIA 107
Query: 120 PLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALN 179
P LT+ +LP L++A GS R +V ++S+ G G Y SK AL
Sbjct: 108 PAELTRALLPALREA---------GSGR--VVFLNSLSGKRVLAGNAG---YSASKFALR 153
Query: 180 AATRSLSIDLKGDKIIATAMHPGWVKTDM 208
A +L + + +A+ PG+V T M
Sbjct: 154 ALAHALRQEGWDHGVRVSAVCPGFVDTPM 182
>gnl|CDD|181721 PRK09242, PRK09242, tropinone reductase; Provisional.
Length = 257
Score = 89.0 bits (221), Expect = 3e-21
Identities = 62/213 (29%), Positives = 102/213 (47%), Gaps = 35/213 (16%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELL-ALAQQHSNLHVIEL 60
++ LITG ++G+GL + + +GLG A + R+ D + LA++ V L
Sbjct: 10 QTALITGASKGIGLAIAREFLGLG----ADVLIVARDADALAQARDELAEEFPEREVHGL 65
Query: 61 DVTDFSKQQDVLFKDISDVVKDQ--GLNVLVNNAGI-----AAKFTRLGLLKPEQMTDHF 113
D S +D + I D V+D GL++LVNNAG A +T ++ F
Sbjct: 66 -AADVSDDEDR--RAILDWVEDHWDGLHILVNNAGGNIRKAAIDYT------EDEWRGIF 116
Query: 114 LVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRC 173
N+ + L++ PLLK+ + +AIVN+ S+ G + G PY
Sbjct: 117 ETNLFSAFELSRYAHPLLKQ-----------HASSAIVNIGSVSG-LTHVRSGA--PYGM 162
Query: 174 SKAALNAATRSLSIDLKGDKIIATAMHPGWVKT 206
+KAAL TR+L+++ D I A+ P +++T
Sbjct: 163 TKAALLQMTRNLAVEWAEDGIRVNAVAPWYIRT 195
>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 = 87.7 bits (218), Expect = 6e-21
Identities = 54/207 (26%), Positives = 102/207 (49%), Gaps = 22/207 (10%)
Query: 4 ILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELDVT 63
I++TG +RG+G + + L+ G+ + A R+++ EL + + ++ D++
Sbjct: 2 IILTGASRGIGRALAEELLKRGSPSVVVLLA--RSEEPLQELKEELRPGLRVTTVKADLS 59
Query: 64 DFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAPLM 122
D + + +L + K G ++L+NNAG +++ + +++ +F +N+T+P+
Sbjct: 60 DAAGVEQLL----EAIRKLDGERDLLINNAGSLGPVSKIEFIDLDELQKYFDLNLTSPVC 115
Query: 123 LTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAAT 182
LT T+L KK G + +VNVSS N G+ Y SKAA +
Sbjct: 116 LTSTLLRAFKK---------RGLKK-TVVNVSSGAAV---NPFKGWGLYCSSKAARDMFF 162
Query: 183 RSLSIDLKGDKIIATAMHPGWVKTDMG 209
R L+ + ++++ A PG V TDM
Sbjct: 163 RVLAAEEPDVRVLSYA--PGVVDTDMQ 187
>gnl|CDD|181335 PRK08264, PRK08264, short chain dehydrogenase; Validated.
Length = 238
Score = 87.6 bits (218), Expect = 6e-21
Identities = 58/226 (25%), Positives = 94/226 (41%), Gaps = 37/226 (16%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K +L+TG NRG+G ++ L+ G A ++A R+ + ++ + ++LD
Sbjct: 7 KVVLVTGANRGIGRAFVEQLLARG---AAKVYAAARDPE------SVTDLGPRVVPLQLD 57
Query: 62 VTDFSKQQDV--LFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTA 119
VTD V + SDV +LVNNAGI + L + + N
Sbjct: 58 VTD---PASVAAAAEAASDV------TILVNNAGIFRTGSLLLEGDEDALRAEMETNYFG 108
Query: 120 PLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALN 179
PL + + P+L + AIVNV S++ + Y SKAA
Sbjct: 109 PLAMARAFAPVLAA-----------NGGGAIVNVLSVLSWV---NFPNLGTYSASKAAAW 154
Query: 180 AATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPLEVGAATAGII 225
+ T++L +L +HPG + TDM A L+ A+ +
Sbjct: 155 SLTQALRAELAPQGTRVLGVHPGPIDTDM---AAGLDAPKASPADV 197
>gnl|CDD|180753 PRK06924, PRK06924, short chain dehydrogenase; Provisional.
Length = 251
Score = 87.8 bits (218), Expect = 7e-21
Identities = 58/215 (26%), Positives = 108/215 (50%), Gaps = 29/215 (13%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQ-HSNLHVIE 59
M+ ++ITG ++GLG + L+ G H+ + R ++K EL LA+Q +SNL
Sbjct: 1 MRYVIITGTSQGLGEAIANQLLEKG----THVISISRTENK--ELTKLAEQYNSNLTFHS 54
Query: 60 LDVTDFSKQQDVLFKDISDVVKDQGLN--VLVNNAGIAAKFTRLGLLKPEQMTDHFLVNV 117
LD+ D + + F +I +++ ++ L+NNAG+ A + + E++ + +N+
Sbjct: 55 LDLQDVH-ELETNFNEILSSIQEDNVSSIHLINNAGMVAPIKPIEKAESEELITNVHLNL 113
Query: 118 TAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAA 177
AP++LT T +K + R ++N+SS N G+ Y SKA
Sbjct: 114 LAPMILTST---FMKHTKDWK-----VDKR--VINISSGAAK---NPYFGWSAYCSSKAG 160
Query: 178 LNAATRSLSIDLK----GDKIIATAMHPGWVKTDM 208
L+ T++++ + + KI+A + PG + T+M
Sbjct: 161 LDMFTQTVATEQEEEEYPVKIVAFS--PGVMDTNM 193
>gnl|CDD|181609 PRK09009, PRK09009, C factor cell-cell signaling protein;
Provisional.
Length = 235
Score = 87.4 bits (217), Expect = 8e-21
Identities = 75/263 (28%), Positives = 113/263 (42%), Gaps = 45/263 (17%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
+ILI G + G+G M+K L L A + AT R+ QH N+ LD
Sbjct: 1 MNILIVGGSGGIGKAMVKQL--LERYPDATVHATYRHHKPD-------FQHDNVQWHALD 51
Query: 62 VTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTR-----LGLLKPEQMTDHFLVN 116
VTD + ++ K +S+ L+ L+N G+ + L L + + +N
Sbjct: 52 VTD---EAEI--KQLSEQFTQ--LDWLINCVGMLHTQDKGPEKSLQALDADFFLQNITLN 104
Query: 117 VTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKA 176
L+L K P LK+ S A +S+ +GSI DN GG++ YR SKA
Sbjct: 105 TLPSLLLAKHFTPKLKQ-----------SESAKFAVISAKVGSISDNRLGGWYSYRASKA 153
Query: 177 ALNAATRSLSID----LKGDKIIATAMHPGWVKTDMGG---SNAP---LEVGAATAG-II 225
ALN ++LSI+ LK + A+HPG T + N P L A ++
Sbjct: 154 ALNMFLKTLSIEWQRSLK--HGVVLALHPGTTDTALSKPFQQNVPKGKLFTPEYVAQCLL 211
Query: 226 QFIQSLGEAHNGGFFEYTGKAIK 248
I + A +G F Y G+ +
Sbjct: 212 GIIANATPAQSGSFLAYDGETLP 234
>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 = 87.5 bits (217), Expect = 9e-21
Identities = 58/212 (27%), Positives = 89/212 (41%), Gaps = 34/212 (16%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIEL- 60
K+ L+TG +G+G +++ L GLG A ++ RN+ K ++ + V
Sbjct: 7 KTALVTGGTKGIGYAIVEELAGLG----AEVYTCARNQ-KELDECLTEWREKGFKVEGSV 61
Query: 61 -DVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGI-----AAKFTRLGLLKPEQMTDHFL 114
DV+ ++ L ++ LN+LVNNAG A +T E +
Sbjct: 62 CDVSS-RSERQELMDTVASHF-GGKLNILVNNAGTNIRKEAKDYT------EEDYSLIMS 113
Query: 115 VNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCS 174
N A L++ PLLK S IV +SS+ G I + PY +
Sbjct: 114 TNFEAAYHLSRLAHPLLKA-----------SGNGNIVFISSVAGVIAVPSGA---PYGAT 159
Query: 175 KAALNAATRSLSIDLKGDKIIATAMHPGWVKT 206
K ALN TRSL+ + D I A+ P + T
Sbjct: 160 KGALNQLTRSLACEWAKDNIRVNAVAPWVIAT 191
>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 = 84.6 bits (210), Expect = 1e-19
Identities = 53/211 (25%), Positives = 90/211 (42%), Gaps = 29/211 (13%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVEL-LALAQQHSN-LHVIE 59
K++LITG + G+G + G + T R ++ EL L + + ++
Sbjct: 1 KTVLITGASSGIGEATARRFAKAGAK----LILTGRRAERLQELADELGAKFPVKVLPLQ 56
Query: 60 LDVTDFS---KQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVN 116
LDV+D + L ++ D+ ++LVNNAG+A E N
Sbjct: 57 LDVSDRESIEAALENLPEEFRDI------DILVNNAGLALGLDPAQEADLEDWETMIDTN 110
Query: 117 VTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKA 176
V L +T+ +LP++ ++ I+N+ SI G G + Y +KA
Sbjct: 111 VKGLLNVTRLILPIMIAR-----------NQGHIINLGSIAGR---YPYAGGNVYCATKA 156
Query: 177 ALNAATRSLSIDLKGDKIIATAMHPGWVKTD 207
A+ + +L DL G I T + PG V+T+
Sbjct: 157 AVRQFSLNLRKDLIGTGIRVTNIEPGLVETE 187
>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 = 83.2 bits (206), Expect = 3e-19
Identities = 60/240 (25%), Positives = 101/240 (42%), Gaps = 36/240 (15%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDK----AVELLALAQQHSNLHV 57
K +ITG + G+G G + LG A + T R+ ++ L + +
Sbjct: 4 KVAIITGSSSGIGAGTAILFARLG----ARLALTGRDAERLEETRQSCLQAGVSEKKILL 59
Query: 58 IELDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAK--FTRLGLLKPEQMTDHFLV 115
+ D+T+ Q ++ ++ + L++LVNNAGI AK + E+ +
Sbjct: 60 VVADLTEEEGQDRIISTTLAKFGR---LDILVNNAGILAKGGGEDQDI---EEYDKVMNL 113
Query: 116 NVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSK 175
N+ A + LTK +P L K ++ IVNVSS+ G + G Y SK
Sbjct: 114 NLRAVIYLTKLAVPHLIK------------TKGEIVNVSSVAGG---RSFPGVLYYCISK 158
Query: 176 AALNAATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPLEVGAATAGIIQFIQSLGEAH 235
AAL+ TR +++L + ++ PG + T +G I+F+ E H
Sbjct: 159 AALDQFTRCTALELAPKGVRVNSVSPGVIVTGFHRR-----MGMPEEQYIKFLSRAKETH 213
>gnl|CDD|181298 PRK08219, PRK08219, short chain dehydrogenase; Provisional.
Length = 227
Score = 80.4 bits (199), Expect = 2e-18
Identities = 56/209 (26%), Positives = 85/209 (40%), Gaps = 34/209 (16%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAH-IFATCRNKDKAVELLALAQQHSNLHVIE 59
+ LITG +RG+G + + L P H + R + L LA +
Sbjct: 3 RPTALITGASRGIGAAIAREL------APTHTLLLGGRPAE---RLDELAAELPGATPFP 53
Query: 60 LDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTA 119
+D+TD V + L+VLV+NAG+A + ++ VNV A
Sbjct: 54 VDLTDPEAIAAA-------VEQLGRLDVLVHNAGVADL-GPVAESTVDEWRATLEVNVVA 105
Query: 120 PLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALN 179
P LT+ +LP L+ A +V ++S G G+ Y SK AL
Sbjct: 106 PAELTRLLLPALRAA------------HGHVVFINSGAGL---RANPGWGSYAASKFALR 150
Query: 180 AATRSLSIDLKGDKIIATAMHPGWVKTDM 208
A +L + G + T++HPG TDM
Sbjct: 151 ALADALREEEPG-NVRVTSVHPGRTDTDM 178
>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 = 80.3 bits (199), Expect = 3e-18
Identities = 62/212 (29%), Positives = 98/212 (46%), Gaps = 31/212 (14%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELL-ALAQQHSNLHVIEL 60
K L+TG +RG+G + L G A + T R+++ A E + + N +E
Sbjct: 1 KVALVTGASRGIGRAIALRLAAEG----AKVAVTDRSEEAAAETVEEIKALGGNAAALEA 56
Query: 61 DVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLL---KPEQMTDHFLVN 116
DV+D + + + V + G +++LVNNAGI TR LL E VN
Sbjct: 57 DVSDREAVEAL----VEKVEAEFGPVDILVNNAGI----TRDNLLMRMSEEDWDAVINVN 108
Query: 117 VTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKA 176
+T +T+ ++ + K S R I+N+SS++G I G Y SKA
Sbjct: 109 LTGVFNVTQAVIRAMIKR---------RSGR--IINISSVVGLI---GNPGQANYAASKA 154
Query: 177 ALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
+ T+SL+ +L I A+ PG++ TDM
Sbjct: 155 GVIGFTKSLAKELASRGITVNAVAPGFIDTDM 186
>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 = 79.7 bits (197), Expect = 6e-18
Identities = 53/217 (24%), Positives = 91/217 (41%), Gaps = 41/217 (18%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHS-NLHVIEL 60
K L+TG +RG+G G+ L G A+I RN++KA E L ++
Sbjct: 6 KVALVTGASRGIGFGIASGLAEAG----ANIVINSRNEEKAEEAQQLIEKEGVEATAFTC 61
Query: 61 DVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGI-----AAKFTRLGLLKPEQMTDHFL 114
DV+D + + + +D G +++LVNNAGI A +F PE +
Sbjct: 62 DVSDEEAIKAA----VEAIEEDFGKIDILVNNAGIIRRHPAEEF-------PEAEWRDVI 110
Query: 115 -VNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGG--FHPY 171
VN+ +++ + + K I+N+ S++ + GG Y
Sbjct: 111 DVNLNGVFFVSQAVARHMIK-----------QGHGKIINICSLL-----SELGGPPVPAY 154
Query: 172 RCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
SK + T++L+ + I A+ PG+ T+M
Sbjct: 155 AASKGGVAGLTKALATEWARHGIQVNAIAPGYFATEM 191
>gnl|CDD|237218 PRK12825, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 249
Score = 79.1 bits (196), Expect = 9e-18
Identities = 53/213 (24%), Positives = 93/213 (43%), Gaps = 30/213 (14%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA--LAQQHSNLHVI 58
+ L+TG RGLG + L G A + R+ ++A E L + +
Sbjct: 6 GRVALVTGAARGLGRAIALRLARAG----ADVVVHYRSDEEAAEELVEAVEALGRRAQAV 61
Query: 59 ELDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIA--AKFTRLGLLKPEQMTDHFLV 115
+ DVTD + + + + V+ G +++LVNNAGI + + +++ D V
Sbjct: 62 QADVTDKAALEAAV----AAAVERFGRIDILVNNAGIFEDKPLADMSDDEWDEVID---V 114
Query: 116 NVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSK 175
N++ L + ++P ++K R IVN+SS+ G + Y +K
Sbjct: 115 NLSGVFHLLRAVVPPMRKQ---------RGGR--IVNISSVAGLPGWPGRS---NYAAAK 160
Query: 176 AALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
A L T++L+ +L I + PG + TDM
Sbjct: 161 AGLVGLTKALARELAEYGITVNMVAPGDIDTDM 193
>gnl|CDD|235975 PRK07231, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 251
Score = 78.7 bits (195), Expect = 2e-17
Identities = 53/209 (25%), Positives = 91/209 (43%), Gaps = 25/209 (11%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K ++TG + G+G G+ + G A + T RN++ A + A + D
Sbjct: 6 KVAIVTGASSGIGEGIARRFAAEG----ARVVVTDRNEEAAERVAAEILAGGRAIAVAAD 61
Query: 62 VTDFSKQQDVLFKDISDVVKDQ--GLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTA 119
V+D + + + ++ +++LVNNAG + L + + F VNV +
Sbjct: 62 VSDEADVEAAV-----AAALERFGSVDILVNNAGTTHRNGPLLDVDEAEFDRIFAVNVKS 116
Query: 120 PLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALN 179
P + T+ +P A G AIVNV+S + + G Y SK A+
Sbjct: 117 PYLWTQAAVP-----------AMRGEGGGAIVNVAST-AGLR--PRPGLGWYNASKGAVI 162
Query: 180 AATRSLSIDLKGDKIIATAMHPGWVKTDM 208
T++L+ +L DKI A+ P V+T +
Sbjct: 163 TLTKALAAELGPDKIRVNAVAPVVVETGL 191
>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 = 78.0 bits (193), Expect = 2e-17
Identities = 58/210 (27%), Positives = 96/210 (45%), Gaps = 32/210 (15%)
Query: 5 LITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA--LAQQHSNLHVIELDV 62
L+TG +RG+G + L G A + T R+ ++ E + L + DV
Sbjct: 2 LVTGASRGIGRAIALKLAKEG----AKVIITYRSSEEGAEEVVEELKAYGVKALGVVCDV 57
Query: 63 TDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLL---KPEQMTDHFLVNVT 118
+D + V + ++ ++ G +++LVNNAGI TR LL K E N+T
Sbjct: 58 SDREDVKAV----VEEIEEELGPIDILVNNAGI----TRDNLLMRMKEEDWDAVIDTNLT 109
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAAL 178
LT+ +L ++ K I+N+SS++G + + Q Y SKA +
Sbjct: 110 GVFNLTQAVLRIMIKQR-----------SGRIINISSVVGLMGNAGQAN---YAASKAGV 155
Query: 179 NAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
T+SL+ +L I A+ PG++ TDM
Sbjct: 156 IGFTKSLAKELASRNITVNAVAPGFIDTDM 185
>gnl|CDD|235500 PRK05557, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Validated.
Length = 248
Score = 77.9 bits (193), Expect = 3e-17
Identities = 60/215 (27%), Positives = 98/215 (45%), Gaps = 36/215 (16%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA-LAQQHSNLHVIEL 60
K L+TG +RG+G + + L G N + ++ A L+A + ++
Sbjct: 6 KVALVTGASRGIGRAIAERLAAQGANV---VINYASSEAGAEALVAEIGALGGKALAVQG 62
Query: 61 DVTDFSKQQDVLFKDISDVVKDQ--GLNVLVNNAGIAAKFTRLGLLKPEQMTDHFL---- 114
DV+D + + D K + G+++LVNNAGI TR LL +M +
Sbjct: 63 DVSDAESVERAV-----DEAKAEFGGVDILVNNAGI----TRDNLL--MRMKEEDWDRVI 111
Query: 115 -VNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRC 173
N+T LTK + + K S R I+N+SS++G + + Q Y
Sbjct: 112 DTNLTGVFNLTKAVARPMMKQ---------RSGR--IINISSVVGLMGNPGQA---NYAA 157
Query: 174 SKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
SKA + T+SL+ +L I A+ PG+++TDM
Sbjct: 158 SKAGVIGFTKSLARELASRGITVNAVAPGFIETDM 192
>gnl|CDD|235726 PRK06181, PRK06181, short chain dehydrogenase; Provisional.
Length = 263
Score = 78.1 bits (193), Expect = 3e-17
Identities = 62/209 (29%), Positives = 85/209 (40%), Gaps = 25/209 (11%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVEL-LALAQQHSNLHVIE 59
K ++ITG + G+G + L G A + RN+ + L LA V+
Sbjct: 1 GKVVIITGASEGIGRALAVRLARAG----AQLVLAARNETRLASLAQELADHGGEALVVP 56
Query: 60 LDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVT 118
DV+D + + I V G +++LVNNAGI L VN
Sbjct: 57 TDVSDAEACERL----IEAAVARFGGIDILVNNAGITMWSRFDELTDLSVFERVMRVNYL 112
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAAL 178
+ T LP LK SR IV VSS+ G T+ G Y SK AL
Sbjct: 113 GAVYCTHAALPHLKA------------SRGQIVVVSSLAGLTGVPTRSG---YAASKHAL 157
Query: 179 NAATRSLSIDLKGDKIIATAMHPGWVKTD 207
+ SL I+L D + T + PG+V TD
Sbjct: 158 HGFFDSLRIELADDGVAVTVVCPGFVATD 186
>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 = 77.0 bits (190), Expect = 4e-17
Identities = 61/221 (27%), Positives = 93/221 (42%), Gaps = 45/221 (20%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
++LITG G+GL + + + GN + T R +++ L ++ N+H I LD
Sbjct: 6 NTVLITGGTSGIGLALARKFLEAGNT----VIITGRREER---LAEAKKELPNIHTIVLD 58
Query: 62 VTDFSKQQDVLFKDISDVVKD-QGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFL----VN 116
V D + V ++ + L++L+NNAGI + L P D N
Sbjct: 59 VGD---AESVE-ALAEALLSEYPNLDILINNAGIQ---RPIDLRDPASDLDKADTEIDTN 111
Query: 117 VTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHP------ 170
+ P+ L K LP LKK E A IVNVSS + F P
Sbjct: 112 LIGPIRLIKAFLPHLKKQPE-----------ATIVNVSSGL---------AFVPMAANPV 151
Query: 171 YRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDMGGS 211
Y +KAAL++ T +L LK + + P V T++
Sbjct: 152 YCATKAALHSYTLALRHQLKDTGVEVVEIVPPAVDTELHEE 192
>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 = 76.2 bits (188), Expect = 1e-16
Identities = 59/245 (24%), Positives = 101/245 (41%), Gaps = 34/245 (13%)
Query: 4 ILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA-LAQQHSNLHVIELDV 62
+LITG + G+G + + ++ R D+ EL A L + ++ V LDV
Sbjct: 1 VLITGASSGIGRALAREFA----KAGYNVALAARRTDRLDELKAELLNPNPSVEVEILDV 56
Query: 63 TDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAPLM 122
TD + Q V ++ + GL++++ NAG+ K T LG L + + N+
Sbjct: 57 TDEERNQLV-IAELEAEL--GGLDLVIINAGVG-KGTSLGDLSFKAFRETIDTNLLGAAA 112
Query: 123 LTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAAT 182
+ + LP + R +V +SS+ G Y SKAAL++
Sbjct: 113 ILEAALPQFRA-----------KGRGHLVLISSVAALRGL---PGAAAYSASKAALSSLA 158
Query: 183 RSLSIDLKGDKIIATAMHPGWVKTDMGGSNAP----LEVGAATAGIIQFIQSLGEAHNGG 238
SL D+K I T ++PG++ T + + + V A + + +A G
Sbjct: 159 ESLRYDVKKRGIRVTVINPGFIDTPLTANMFTMPFLMSVEQAA-------KRIYKAIKKG 211
Query: 239 FFEYT 243
E T
Sbjct: 212 AAEPT 216
>gnl|CDD|180446 PRK06180, PRK06180, short chain dehydrogenase; Provisional.
Length = 277
Score = 76.5 bits (189), Expect = 2e-16
Identities = 64/218 (29%), Positives = 94/218 (43%), Gaps = 40/218 (18%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIEL 60
MK+ LITG + G G + + + G+ + T R++ + AL + L
Sbjct: 4 MKTWLITGVSSGFGRALAQAALAAGHR----VVGTVRSEAARADFEALHPDRA--LARLL 57
Query: 61 DVTDFSKQQDVLFKDISDVVKDQ-----GLNVLVNNAGIAAKFTRLGLLK---PEQMTDH 112
DVTDF I VV D ++VLVNNAG G ++ +M
Sbjct: 58 DVTDFDA--------IDAVVADAEATFGPIDVLVNNAGYG----HEGAIEESPLAEMRRQ 105
Query: 113 FLVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYR 172
F VNV + +TK +LP ++ R IVN++S+ G I T G Y
Sbjct: 106 FEVNVFGAVAMTKAVLPGMRA-----------RRRGHIVNITSMGGLI---TMPGIGYYC 151
Query: 173 CSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDMGG 210
SK AL + SL+ ++ I TA+ PG +TD G
Sbjct: 152 GSKFALEGISESLAKEVAPFGIHVTAVEPGSFRTDWAG 189
>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 = 75.5 bits (186), Expect = 2e-16
Identities = 61/216 (28%), Positives = 94/216 (43%), Gaps = 31/216 (14%)
Query: 3 SILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELDV 62
+ILITG G+GL + K + LGN + RN+++ E A +H DV
Sbjct: 7 TILITGGASGIGLALAKRFLELGNT----VIICGRNEERLAEAKAENP---EIHTEVCDV 59
Query: 63 TDFSKQQDVLFKDISDVVKDQ-GLNVLVNNAGIAAK--FTRLGLLKPEQMTDHFLVNVTA 119
D +++++ + K+ LNVL+NNAGI T L + N+ A
Sbjct: 60 ADRDSRRELVEW----LKKEYPNLNVLINNAGIQRNEDLTGAEDL-LDDAEQEIATNLLA 114
Query: 120 PLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHP-YRCSKAAL 178
P+ LT +LP L + E A I+NVSS + + P Y +KAA+
Sbjct: 115 PIRLTALLLPHLLRQPE-----------ATIINVSSGLAFVPM----ASTPVYCATKAAI 159
Query: 179 NAATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAP 214
++ T +L LK + + P V T G + A
Sbjct: 160 HSYTLALREQLKDTSVEVIELAPPLVDTTEGNTQAR 195
>gnl|CDD|235506 PRK05565, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 247
Score = 74.9 bits (185), Expect = 4e-16
Identities = 62/215 (28%), Positives = 104/215 (48%), Gaps = 28/215 (13%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIF-ATCRNKDKAVELLA-LAQQHSNLHVI 58
K ++TG + G+G + ++L G A + A N++ A ELL + ++ + +
Sbjct: 5 GKVAIVTGASGGIGRAIAELLAKEG----AKVVIAYDINEEAAQELLEEIKEEGGDAIAV 60
Query: 59 ELDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNV 117
+ DV S ++DV + +V+ G +++LVNNAGI+ F + + E+ VN+
Sbjct: 61 KADV---SSEEDV-ENLVEQIVEKFGKIDILVNNAGIS-NFGLVTDMTDEEWDRVIDVNL 115
Query: 118 TAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSI-EDNTQGGFHPYRCSKA 176
T ++LT+ LP + K IVN+SSI G I Y SK
Sbjct: 116 TGVMLLTRYALPYMIKRKSGV-----------IVNISSIWGLIGASCEV----LYSASKG 160
Query: 177 ALNAATRSLSIDLKGDKIIATAMHPGWVKTDMGGS 211
A+NA T++L+ +L I A+ PG + T+M S
Sbjct: 161 AVNAFTKALAKELAPSGIRVNAVAPGAIDTEMWSS 195
>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 = 73.8 bits (182), Expect = 7e-16
Identities = 57/211 (27%), Positives = 87/211 (41%), Gaps = 30/211 (14%)
Query: 4 ILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSN-LHVIELDV 62
+LITG G+G + G + N+ A E ++ +H + DV
Sbjct: 2 VLITGGGSGIGRLLALEFAKRGAK----VVILDINEKGAEETANNVRKAGGKVHYYKCDV 57
Query: 63 TDFSKQQDV--LFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAP 120
SK+++V K I V D + +L+NNAG+ + L L E++ F VN A
Sbjct: 58 ---SKREEVYEAAKKIKKEVGD--VTILINNAGVVSGKKLLEL-PDEEIEKTFEVNTLAH 111
Query: 121 LMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNA 180
TK LP + L + IV ++S+ G I + G Y SKAA
Sbjct: 112 FWTTKAFLPDM-----------LERNHGHIVTIASVAGLI---SPAGLADYCASKAAAVG 157
Query: 181 ATRSLSIDLKG---DKIIATAMHPGWVKTDM 208
SL ++LK I T + P ++ T M
Sbjct: 158 FHESLRLELKAYGKPGIKTTLVCPYFINTGM 188
>gnl|CDD|235990 PRK07326, PRK07326, short chain dehydrogenase; Provisional.
Length = 237
Score = 73.5 bits (181), Expect = 1e-15
Identities = 58/219 (26%), Positives = 93/219 (42%), Gaps = 26/219 (11%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K LITG ++G+G + + L+ G + T R++ + E A N+ + D
Sbjct: 7 KVALITGGSKGIGFAIAEALLAEG----YKVAITARDQKELEEAAAELNNKGNVLGLAAD 62
Query: 62 VTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAP 120
V D + Q + + +V G L+VL+ NAG+ F + L PE+ N+T
Sbjct: 63 VRDEADVQ----RAVDAIVAAFGGLDVLIANAGVG-HFAPVEELTPEEWRLVIDTNLTGA 117
Query: 121 LMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNA 180
K +P LK+ I+N+SS+ G+ N G Y SK L
Sbjct: 118 FYTIKAAVPALKR------------GGGYIINISSLAGT---NFFAGGAAYNASKFGLVG 162
Query: 181 ATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPLEVGA 219
+ + +DL+ I + + PG V T G + P E A
Sbjct: 163 FSEAAMLDLRQYGIKVSTIMPGSVATHFNG-HTPSEKDA 200
>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 = 73.3 bits (180), Expect = 2e-15
Identities = 53/204 (25%), Positives = 92/204 (45%), Gaps = 23/204 (11%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K +L+TG +RG+G + + + G A + + R + + + I D
Sbjct: 7 KIVLVTGGSRGIGRMIAQGFLEAG----ARVIISARKAEACADAAEELSAYGECIAIPAD 62
Query: 62 VTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIA--AKFTRLGLLKPEQMTDH-FLVNVT 118
++ + ++ + + L+VLVNNAG A PE D +NV
Sbjct: 63 LSSEEGIEALVARVAE---RSDRLDVLVNNAGATWGAPLEAF----PESGWDKVMDINVK 115
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAAL 178
+ LT+ +LPLL+ A+ A + A ++N+ SI G + + + Y SKAA+
Sbjct: 116 SVFFLTQALLPLLRAAATAENP-------ARVINIGSIAGIVVSGLEN--YSYGASKAAV 166
Query: 179 NAATRSLSIDLKGDKIIATAMHPG 202
+ TR L+ +L G+ I A+ PG
Sbjct: 167 HQLTRKLAKELAGEHITVNAIAPG 190
>gnl|CDD|226674 COG4221, COG4221, Short-chain alcohol dehydrogenase of unknown
specificity [General function prediction only].
Length = 246
Score = 73.1 bits (180), Expect = 2e-15
Identities = 58/211 (27%), Positives = 90/211 (42%), Gaps = 33/211 (15%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQ--HSNLHVIE 59
K LITG + G+G + L G A + R +++ L ALA + +
Sbjct: 7 KVALITGASSGIGEATARALAEAG----AKVVLAARREER---LEALADEIGAGAALALA 59
Query: 60 LDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIA--AKFTRLGLLKPEQMTDHFLVN 116
LDVTD + + I + ++ G +++LVNNAG+A L ++M D N
Sbjct: 60 LDVTD----RAAVEAAIEALPEEFGRIDILVNNAGLALGDPLDEADLDDWDRMID---TN 112
Query: 117 VTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKA 176
V L T+ +LP + + I+N+ SI G G Y +KA
Sbjct: 113 VKGLLNGTRAVLPGMVERK-----------SGHIINLGSIAGR---YPYPGGAVYGATKA 158
Query: 177 ALNAATRSLSIDLKGDKIIATAMHPGWVKTD 207
A+ A + L +L G I T + PG V+T
Sbjct: 159 AVRAFSLGLRQELAGTGIRVTVISPGLVETT 189
>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 = 73.0 bits (180), Expect = 2e-15
Identities = 67/233 (28%), Positives = 101/233 (43%), Gaps = 45/233 (19%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNL-----H 56
K ++ITG + G+G + L LG A + + R ++ L + + L H
Sbjct: 4 KVVIITGASSGIGEELAYHLARLG----ARLVLSARREE---RLEEVKSECLELGAPSPH 56
Query: 57 VIELDVTDFSKQQDVLFKDISDVVKDQ-----GLNVLVNNAGI--AAKFTRLGLLKPEQM 109
V+ LD++D D VV++ GL++L+NNAGI + F + ++
Sbjct: 57 VVPLDMSDLE--------DAEQVVEEALKLFGGLDILINNAGISMRSLFHDTSIDVDRKI 108
Query: 110 TDHFLVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFH 169
+ VN P+ LTK LP L + S+ GS IV VSSI G I
Sbjct: 109 ME---VNYFGPVALTKAALPHLIERSQ-------GS----IVVVSSIAGKI---GVPFRT 151
Query: 170 PYRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPLEVGAATA 222
Y SK AL SL +L I T + PG + T++ NA G+ +A
Sbjct: 152 AYAASKHALQGFFDSLRAELSEPNISVTVVCPGLIDTNI-AMNALSGDGSMSA 203
>gnl|CDD|168186 PRK05693, PRK05693, short chain dehydrogenase; Provisional.
Length = 274
Score = 71.4 bits (175), Expect = 1e-14
Identities = 63/216 (29%), Positives = 100/216 (46%), Gaps = 35/216 (16%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIEL 60
M +LITGC+ G+G + L ++AT R KA ++ ALA ++L
Sbjct: 1 MPVVLITGCSSGIG----RALADAFKAAGYEVWATAR---KAEDVEALAAAGFT--AVQL 51
Query: 61 DVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLL---KPEQMTDHFLVNV 117
DV D L +++ + GL+VL+NNAG A +G L E M F NV
Sbjct: 52 DVND-GAALARLAEEL--EAEHGGLDVLINNAGYGA----MGPLLDGGVEAMRRQFETNV 104
Query: 118 TAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAA 177
A + +T+ + PLL++ SR +VN+ S+ G + G Y SKAA
Sbjct: 105 FAVVGVTRALFPLLRR------------SRGLVVNIGSVSGVLVTPFAG---AYCASKAA 149
Query: 178 LNAATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNA 213
++A + +L ++L + + PG + + SNA
Sbjct: 150 VHALSDALRLELAPFGVQVMEVQPGAIASQF-ASNA 184
>gnl|CDD|183778 PRK12829, PRK12829, short chain dehydrogenase; Provisional.
Length = 264
Score = 71.2 bits (175), Expect = 1e-14
Identities = 53/207 (25%), Positives = 83/207 (40%), Gaps = 21/207 (10%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
+L+TG G+G + + G H+ A+ A + + D
Sbjct: 12 LRVLVTGGASGIGRAIAEAFAEAGAR--VHVCDVSE---AALAATAARLPGAKVTATVAD 66
Query: 62 VTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAPL 121
V D + Q + +F + + GL+VLVNNAGIA + + PEQ VN+
Sbjct: 67 VADPA-QVERVFDTAVE--RFGGLDVLVNNAGIAGPTGGIDEITPEQWEQTLAVNLNGQF 123
Query: 122 MLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAA 181
+ +PLLK I+ +SS+ G + G PY SK A+
Sbjct: 124 YFARAAVPLLKA----------SGHGGVIIALSSVAGRL---GYPGRTPYAASKWAVVGL 170
Query: 182 TRSLSIDLKGDKIIATAMHPGWVKTDM 208
+SL+I+L I A+ PG V+
Sbjct: 171 VKSLAIELGPLGIRVNAILPGIVRGPR 197
>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 = 70.6 bits (173), Expect = 2e-14
Identities = 51/211 (24%), Positives = 90/211 (42%), Gaps = 28/211 (13%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K L+TG +G+G +K L G A + A R + +L +L ++ + + +D
Sbjct: 8 KRALVTGAGKGIGRATVKALAKAG----ARVVAVSRTQA---DLDSLVRECPGIEPVCVD 60
Query: 62 VTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAPL 121
++D+ + +++LVNNA +A + E F VNV A +
Sbjct: 61 LSDW---DATEEA----LGSVGPVDLLVNNAAVA-ILQPFLEVTKEAFDRSFDVNVRAVI 112
Query: 122 MLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAA 181
+++ + + P +IVNVSS Y +KAAL+
Sbjct: 113 HVSQIVARGMI-----ARGVP-----GSIVNVSSQASQR---ALTNHTVYCSTKAALDML 159
Query: 182 TRSLSIDLKGDKIIATAMHPGWVKTDMGGSN 212
T+ ++++L KI +++P V TDMG N
Sbjct: 160 TKVMALELGPHKIRVNSVNPTVVMTDMGRDN 190
>gnl|CDD|180576 PRK06463, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 255
Score = 70.6 bits (173), Expect = 2e-14
Identities = 64/212 (30%), Positives = 97/212 (45%), Gaps = 35/212 (16%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K LITG RG+G + + + G A ++ +++A EL + + I+ D
Sbjct: 8 KVALITGGTRGIGRAIAEAFLREGAK-VAVLYN--SAENEAKEL-----REKGVFTIKCD 59
Query: 62 VTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGI--AAKFTRLGLLKPEQMTDHFLVNVT 118
V + +D + K V K+ G ++VLVNNAGI F K +M +N+
Sbjct: 60 VGN----RDQVKKSKEVVEKEFGRVDVLVNNAGIMYLMPFEEFDEEKYNKMIK---INLN 112
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSI--MGSIEDNTQGGFHPYRCSKA 176
+ T LPLLK S AIVN++S +G+ + T F Y +KA
Sbjct: 113 GAIYTTYEFLPLLKL-----------SKNGAIVNIASNAGIGTAAEGTT--F--YAITKA 157
Query: 177 ALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
+ TR L+ +L I A+ PGWV+TDM
Sbjct: 158 GIIILTRRLAFELGKYGIRVNAVAPGWVETDM 189
>gnl|CDD|237220 PRK12828, PRK12828, short chain dehydrogenase; Provisional.
Length = 239
Score = 69.8 bits (171), Expect = 2e-14
Identities = 47/216 (21%), Positives = 75/216 (34%), Gaps = 25/216 (11%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K + ITG GLG L G A + R + L + L + +D
Sbjct: 8 KVVAITGGFGGLGRATAAWLAARG----ARVALIGRGAAPLSQTLPGVPADA-LRIGGID 62
Query: 62 VTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAP 120
+ D + + +V + G L+ LVN AG + + + + VNV
Sbjct: 63 LVD----PQAARRAVDEVNRQFGRLDALVNIAGAFV-WGTIADGDADTWDRMYGVNVKTT 117
Query: 121 LMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNA 180
L +K LP L S IVN+ + G Y +KA +
Sbjct: 118 LNASKAALPAL-----------TASGGGRIVNIGAGAALK---AGPGMGAYAAAKAGVAR 163
Query: 181 ATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPLE 216
T +L+ +L I A+ P + T ++ P
Sbjct: 164 LTEALAAELLDRGITVNAVLPSIIDTPPNRADMPDA 199
>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 = 69.2 bits (170), Expect = 4e-14
Identities = 56/215 (26%), Positives = 90/215 (41%), Gaps = 43/215 (20%)
Query: 6 ITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD--VT 63
+TG G+G + L G N + R ++K L A+A++ + +E
Sbjct: 6 VTGATDGIGKAYAEELAKRGFN----VILISRTQEK---LDAVAKEIEEKYGVETKTIAA 58
Query: 64 DFSKQQDVLFKDISDVVKDQGLNVLVNNAGIA----AKFTRLGLLKPEQMTDHFLVNVTA 119
DFS D+ ++ I ++ + +LVNN GI+ F +++ D VNV A
Sbjct: 59 DFSAGDDI-YERIEKELEGLDIGILVNNVGISHSIPEYFLET---PEDELQDIINVNVMA 114
Query: 120 PLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHP------YRC 173
L +T+ +LP + K + AIVN+SS G P Y
Sbjct: 115 TLKMTRLILPGMVK-----------RKKGAIVNISSF---------AGLIPTPLLATYSA 154
Query: 174 SKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
SKA L+ +R+L + K I ++ P V T M
Sbjct: 155 SKAFLDFFSRALYEEYKSQGIDVQSLLPYLVATKM 189
>gnl|CDD|215720 pfam00106, adh_short, short chain dehydrogenase. This family
contains a wide variety of dehydrogenases.
Length = 167
Score = 66.4 bits (163), Expect = 1e-13
Identities = 51/191 (26%), Positives = 73/191 (38%), Gaps = 36/191 (18%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRN--KDKAVELLA-LAQQHSNLHVI 58
++LITG GLGL + + L G H+ R A EL+A L + + V
Sbjct: 1 GTVLITGGTGGLGLALARWLAAEG---ARHLVLVSRRGPAPGAAELVAELEALGAEVTVA 57
Query: 59 ELDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNV 117
DV D +D L ++ + G L+ +V+NAG+ L L PE+ V
Sbjct: 58 ACDVAD----RDALAALLAALPAALGPLDGVVHNAGV-LDDGPLEELTPERFERVLAPKV 112
Query: 118 TAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSI---MGSIEDNTQGGFHPYRCS 174
T L + L LG A V SS+ +GS G Y +
Sbjct: 113 TGAWNLHELTRDL-----------DLG----AFVLFSSVAGVLGS------PGQANYAAA 151
Query: 175 KAALNAATRSL 185
AAL+A
Sbjct: 152 NAALDALAEHR 162
>gnl|CDD|183773 PRK12824, PRK12824, acetoacetyl-CoA reductase; Provisional.
Length = 245
Score = 67.9 bits (166), Expect = 1e-13
Identities = 53/214 (24%), Positives = 95/214 (44%), Gaps = 32/214 (14%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCR-NKDKAVELLALAQ-QHSNLHVI 58
K L+TG RG+G + + L+ G + AT D A + + +
Sbjct: 2 KKIALVTGAKRGIGSAIARELLNDGY----RVIATYFSGNDCAKDWFEEYGFTEDQVRLK 57
Query: 59 ELDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLK---PEQMTDHFL 114
ELDVTD + + L +++ +++G +++LVNNAGI TR + K ++ D
Sbjct: 58 ELDVTDTEECAEAL----AEIEEEEGPVDILVNNAGI----TRDSVFKRMSHQEWNDVIN 109
Query: 115 VNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCS 174
N+ + +T+ + + + G R I+N+SS+ G Q G Y +
Sbjct: 110 TNLNSVFNVTQPLFAAMCEQ---------GYGR--IINISSVNGL---KGQFGQTNYSAA 155
Query: 175 KAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
KA + T++L+ + I + PG++ T M
Sbjct: 156 KAGMIGFTKALASEGARYGITVNCIAPGYIATPM 189
>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 = 67.4 bits (165), Expect = 2e-13
Identities = 59/214 (27%), Positives = 92/214 (42%), Gaps = 36/214 (16%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKD---KAVELLALAQQHSNLHVI 58
K ++TG RGLGL ++LV G A + + + A L A
Sbjct: 6 KVAIVTGGARGLGLAHARLLVAEG----AKVVLSDILDEEGQAAAAELGDAA-----RFF 56
Query: 59 ELDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAA-KFTRLGLLKPEQMTDHFLVN 116
LDVTD V + + G L+VLVNNAGI L E+ +N
Sbjct: 57 HLDVTDEDGWTAV----VDTAREAFGRLDVLVNNAGILTGGTVETTTL--EEWRRLLDIN 110
Query: 117 VTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKA 176
+T + T+ ++P +K+A +I+N+SSI G + D Y SK
Sbjct: 111 LTGVFLGTRAVIPPMKEA-----------GGGSIINMSSIEGLVGD---PALAAYNASKG 156
Query: 177 ALNAATRSLSIDL--KGDKIIATAMHPGWVKTDM 208
A+ T+S +++ +G I ++HPG++ T M
Sbjct: 157 AVRGLTKSAALECATQGYGIRVNSVHPGYIYTPM 190
>gnl|CDD|180617 PRK06550, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 235
Score = 67.3 bits (165), Expect = 2e-13
Identities = 56/208 (26%), Positives = 86/208 (41%), Gaps = 35/208 (16%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIEL 60
K++LITG G+GL + + G A ++ V+ N H ++L
Sbjct: 5 TKTVLITGAASGIGLAQARAFLAQG----AQVYG--------VDKQDKPDLSGNFHFLQL 52
Query: 61 DVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAP 120
D++D + LF + V ++L N AGI + L E+ F N+T+
Sbjct: 53 DLSD---DLEPLFDWVPSV------DILCNTAGILDDYKPLLDTSLEEWQHIFDTNLTST 103
Query: 121 LMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNA 180
+LT+ LP + L I+N+ SI + GG Y SK AL
Sbjct: 104 FLLTRAYLPQM-----------LERKSGIIINMCSIASFV---AGGGGAAYTASKHALAG 149
Query: 181 ATRSLSIDLKGDKIIATAMHPGWVKTDM 208
T+ L++D D I + PG VKT M
Sbjct: 150 FTKQLALDYAKDGIQVFGIAPGAVKTPM 177
>gnl|CDD|236210 PRK08267, PRK08267, short chain dehydrogenase; Provisional.
Length = 260
Score = 66.9 bits (164), Expect = 3e-13
Identities = 59/222 (26%), Positives = 79/222 (35%), Gaps = 50/222 (22%)
Query: 1 MKSILITGCNRGLGLGMIKV------LVGLGNNQPAHIFATCRNKDKAVELLALAQQHSN 54
MKSI ITG G+G + VG + N+ + LA N
Sbjct: 1 MKSIFITGAASGIGRATALLFAAEGWRVGAYD----------INEA-GLAALAAELGAGN 49
Query: 55 LHVIELDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMT--DH 112
LDVTD + L D + L+VL NNAGI R G E + H
Sbjct: 50 AWTGALDVTDRAAWDAAL-ADFAAA-TGGRLDVLFNNAGIL----RGGPF--EDIPLEAH 101
Query: 113 FL---VNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSS---IMGSIEDNTQG 166
+NV L LP LK A ++N SS I G Q
Sbjct: 102 DRVIDINVKGVLNGAHAALPYLKATPGA-----------RVINTSSASAIYG------QP 144
Query: 167 GFHPYRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
G Y +K A+ T +L ++ + I + P +V T M
Sbjct: 145 GLAVYSATKFAVRGLTEALDLEWRRHGIRVADVMPLFVDTAM 186
>gnl|CDD|181198 PRK08017, PRK08017, oxidoreductase; Provisional.
Length = 256
Score = 66.6 bits (163), Expect = 4e-13
Identities = 60/207 (28%), Positives = 89/207 (42%), Gaps = 30/207 (14%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
KS+LITGC+ G+GL L + + A CR D + +L I LD
Sbjct: 3 KSVLITGCSSGIGLEAALEL----KRRGYRVLAACRKPDDVARMNSLG-----FTGILLD 53
Query: 62 VTDFSKQQDVLFKDISDVVK--DQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTA 119
+ D + + + +V+ D L L NNAG + L + +QM F N
Sbjct: 54 LDD----PESVERAADEVIALTDNRLYGLFNNAGFGV-YGPLSTISRQQMEQQFSTNFFG 108
Query: 120 PLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALN 179
LT +LP + P G R IV SS+MG I +G Y SK AL
Sbjct: 109 THQLTMLLLPAML---------PHGEGR--IVMTSSVMGLISTPGRGA---YAASKYALE 154
Query: 180 AATRSLSIDLKGDKIIATAMHPGWVKT 206
A + +L ++L+ I + + PG ++T
Sbjct: 155 AWSDALRMELRHSGIKVSLIEPGPIRT 181
>gnl|CDD|237219 PRK12827, PRK12827, short chain dehydrogenase; Provisional.
Length = 249
Score = 65.9 bits (161), Expect = 7e-13
Identities = 57/209 (27%), Positives = 87/209 (41%), Gaps = 20/209 (9%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLAL-AQQHSNLHVIEL 60
+ +LITG + GLG + L G + R + +A + A +
Sbjct: 7 RRVLITGGSGGLGRAIAVRLAADGADVIVLDIHPMRGRAEADAVAAGIEAAGGKALGLAF 66
Query: 61 DVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTA 119
DV DF+ + L V++ G L++LVNNAGIA L E+ D VN+
Sbjct: 67 DVRDFAATRAAL----DAGVEEFGRLDILVNNAGIATDAA-FAELSIEEWDDVIDVNLDG 121
Query: 120 PLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALN 179
+T+ LP + +A IVN++S+ G G Y SKA L
Sbjct: 122 FFNVTQAALPPMIRARRGGR----------IVNIASVAGVR---GNRGQVNYAASKAGLI 168
Query: 180 AATRSLSIDLKGDKIIATAMHPGWVKTDM 208
T++L+ +L I A+ PG + T M
Sbjct: 169 GLTKTLANELAPRGITVNAVAPGAINTPM 197
>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 = 65.9 bits (161), Expect = 7e-13
Identities = 60/215 (27%), Positives = 92/215 (42%), Gaps = 39/215 (18%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQH--SNLHVIE 59
+LITGC+ G+GL + V + ++ ++AT R+ K L A L ++
Sbjct: 1 TVVLITGCSSGIGLH-LAVRLASDPSKRFKVYATMRDLKKKGRLWEAAGALAGGTLETLQ 59
Query: 60 LDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKP------EQMTDHF 113
LDV D + V ++ ++VLV NAG +GLL P + M F
Sbjct: 60 LDVCD-----SKSVAAAVERVTERHVDVLVCNAG-------VGLLGPLEALSEDAMASVF 107
Query: 114 LVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQG-GFHP-Y 171
VNV + + + LP +K+ GS R I+ SS+ G QG F+ Y
Sbjct: 108 DVNVFGTVRMLQAFLPDMKRR---------GSGR--ILVTSSVGG-----LQGLPFNDVY 151
Query: 172 RCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKT 206
SK AL SL++ L + + + G V T
Sbjct: 152 CASKFALEGLCESLAVQLLPFNVHLSLIECGPVHT 186
>gnl|CDD|181324 PRK08251, PRK08251, short chain dehydrogenase; Provisional.
Length = 248
Score = 65.7 bits (161), Expect = 9e-13
Identities = 65/237 (27%), Positives = 95/237 (40%), Gaps = 50/237 (21%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATC-RNKDKAVELLA-LAQQHSNLHVI- 58
+ ILITG + GLG GM + G + A C R D+ EL A L ++ + V
Sbjct: 3 QKILITGASSGLGAGMAREFAAKGRD-----LALCARRTDRLEELKAELLARYPGIKVAV 57
Query: 59 -ELDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNV 117
LDV D + +V F + D + GL+ ++ NAGI K RLG T F N
Sbjct: 58 AALDVNDHDQVFEV-FAEFRDELG--GLDRVIVNAGIG-KGARLG-------TGKFWAN- 105
Query: 118 TAPLMLTKTMLPLLKKASEANSAAPLGSSRAA-----------IVNVSSIMGSIEDNTQG 166
K +E N A L AA +V +SS+ S G
Sbjct: 106 --------------KATAETNFVAALAQCEAAMEIFREQGSGHLVLISSV--SAVRGLPG 149
Query: 167 GFHPYRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM--GGSNAPLEVGAAT 221
Y SKA + + L +L I + + PG+++++M + P V T
Sbjct: 150 VKAAYAASKAGVASLGEGLRAELAKTPIKVSTIEPGYIRSEMNAKAKSTPFMVDTET 206
>gnl|CDD|237188 PRK12745, PRK12745, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 256
Score = 64.6 bits (158), Expect = 2e-12
Identities = 63/216 (29%), Positives = 87/216 (40%), Gaps = 36/216 (16%)
Query: 5 LITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVI--ELDV 62
L+TG RG+GLG+ + L G + + R D+ + + + VI DV
Sbjct: 6 LVTGGRRGIGLGIARALAAAGFD----LAINDRPDDEELAATQQELRALGVEVIFFPADV 61
Query: 63 TDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLL--KPEQMTDHFLVNVTA 119
D S + +L G ++ LVNNAG+ K R LL PE +N+
Sbjct: 62 ADLSAHEAML----DAAQAAWGRIDCLVNNAGVGVK-VRGDLLDLTPESFDRVLAINLRG 116
Query: 120 PLMLT----KTMLPLLKKASEANSAAPLGSSRAAIVNVSSI---MGSIEDNTQGGFHPYR 172
P LT K ML A P S IV VSS+ M S Y
Sbjct: 117 PFFLTQAVAKRML-----AQPEPEELPHRS----IVFVSSVNAIMVSPNRG------EYC 161
Query: 173 CSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
SKA L+ A + + L + I + PG +KTDM
Sbjct: 162 ISKAGLSMAAQLFAARLAEEGIGVYEVRPGLIKTDM 197
>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 = 64.2 bits (157), Expect = 3e-12
Identities = 54/235 (22%), Positives = 84/235 (35%), Gaps = 35/235 (14%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHS--NLHVIE 59
K +ITG G+GL K+L+ G A + RN + L + ++
Sbjct: 1 KVAIITGGASGIGLATAKLLLKKG----AKVAILDRN-ENPGAAAELQAINPKVKATFVQ 55
Query: 60 LDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAA-KFTRLGLLKPEQMTDHFLVNVT 118
DVT + + K I + +++L+NNAGI K P VN+T
Sbjct: 56 CDVTSWEQLAAAFKKAIEKFGR---VDILINNAGILDEKSYLFAGKLPPPWEKTIDVNLT 112
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHP------YR 172
+ T L + K G IVN+ S+ G +P Y
Sbjct: 113 GVINTTYLALHYMDKN--------KGGKGGVIVNIGSV---------AGLYPAPQFPVYS 155
Query: 173 CSKAALNAATRSLSIDLKGDK-IIATAMHPGWVKTDMGGSNAPLEVGAATAGIIQ 226
SK + TRSL+ L+ + A+ PG+ T + E + Q
Sbjct: 156 ASKHGVVGFTRSLADLLEYKTGVRVNAICPGFTNTPLLPDLVAKEAEMLPSAPTQ 210
>gnl|CDD|168574 PRK06484, PRK06484, short chain dehydrogenase; Validated.
Length = 520
Score = 65.3 bits (159), Expect = 3e-12
Identities = 53/217 (24%), Positives = 92/217 (42%), Gaps = 41/217 (18%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAV----ELLALAQQHSNL-- 55
+ +L+TG G+G FA R D+ V + ++ +L
Sbjct: 6 RVVLVTGAAGGIGRAA------------CQRFA--RAGDQVVVADRNVERARERADSLGP 51
Query: 56 --HVIELDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGL-LKPEQMTD 111
H + +DV+D ++ ++ + ++ G ++VLVNNAG+ L E+
Sbjct: 52 DHHALAMDVSDEAQIREG----FEQLHREFGRIDVLVNNAGVTDPTMTATLDTTLEEFAR 107
Query: 112 HFLVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPY 171
+N+T ++ + L L+ + AAIVNV+S G + Y
Sbjct: 108 LQAINLTGAYLVAREALRLMIE----------QGHGAAIVNVASGAGLV---ALPKRTAY 154
Query: 172 RCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
SKAA+ + TRSL+ + I A+ PG+V+T M
Sbjct: 155 SASKAAVISLTRSLACEWAAKGIRVNAVLPGYVRTQM 191
Score = 51.0 bits (122), Expect = 2e-07
Identities = 51/204 (25%), Positives = 82/204 (40%), Gaps = 27/204 (13%)
Query: 4 ILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELL-ALAQQHSNLHVIELDV 62
+ ITG RG+G + G+ + R+ + A +L AL +H ++ D+
Sbjct: 272 VAITGGARGIGRAVADRFAAAGDR----LLIIDRDAEGAKKLAEALGDEHL---SVQADI 324
Query: 63 TDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAPLM 122
TD + F I L+VLVNNAGIA F E T + VN++
Sbjct: 325 TD-EAAVESAFAQIQARWGR--LDVLVNNAGIAEVFKPSLEQSAEDFTRVYDVNLSGAFA 381
Query: 123 LTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAAT 182
+ L+ + IVN+ SI + + Y SKAA+ +
Sbjct: 382 CARAAARLMSQGG-------------VIVNLGSIASLL---ALPPRNAYCASKAAVTMLS 425
Query: 183 RSLSIDLKGDKIIATAMHPGWVKT 206
RSL+ + I + PG+++T
Sbjct: 426 RSLACEWAPAGIRVNTVAPGYIET 449
>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 = 63.9 bits (156), Expect = 4e-12
Identities = 59/215 (27%), Positives = 85/215 (39%), Gaps = 35/215 (16%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLG-------NNQPAHIFATCRNKDKAVELLALAQQHSN 54
K +ITG +G+G + + L G N +T +++ N
Sbjct: 3 KVAIITGAAQGIGRAIAERLAADGFNIVLADLNLEEAAKSTI---------QEISEAGYN 53
Query: 55 LHVIELDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHF 113
+ DVTD +D + I V+ G +V+VNNAGIA T L + E + +
Sbjct: 54 AVAVGADVTD----KDDVEALIDQAVEKFGSFDVMVNNAGIAP-ITPLLTITEEDLKKVY 108
Query: 114 LVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRC 173
VNV L + KK LG I+N SSI G G Y
Sbjct: 109 AVNVFGVLFGIQAAARQFKK---------LGHG-GKIINASSIAGVQGFPNLG---AYSA 155
Query: 174 SKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
SK A+ T++ + +L I A PG VKT+M
Sbjct: 156 SKFAVRGLTQTAAQELAPKGITVNAYAPGIVKTEM 190
>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 = 64.0 bits (156), Expect = 4e-12
Identities = 63/227 (27%), Positives = 102/227 (44%), Gaps = 47/227 (20%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQ-----QHSNLH 56
K+++ITG N G+G + L G A + CR+ K E A A+ + +
Sbjct: 2 KTVIITGANTGIGKETARELARRG----ARVIMACRDMAKCEE--AAAEIRRDTLNHEVI 55
Query: 57 VIELDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTD----- 111
V LD+ + + +++ +D+ L+VL+NNAG+ + P T+
Sbjct: 56 VRHLDLASLKSIRAFAAEFLAE--EDR-LDVLINNAGV--------MRCPYSKTEDGFEM 104
Query: 112 HFLVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIED------NTQ 165
F VN +LT +L LLKK S+ + IVNVSS+ N++
Sbjct: 105 QFGVNHLGHFLLTNLLLDLLKK-----------SAPSRIVNVSSLAHKAGKINFDDLNSE 153
Query: 166 GGFH---PYRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDMG 209
++ Y SK A TR L+ L+G + A+HPG V+T++G
Sbjct: 154 KSYNTGFAYCQSKLANVLFTRELARRLQGTGVTVNALHPGVVRTELG 200
>gnl|CDD|181668 PRK09135, PRK09135, pteridine reductase; Provisional.
Length = 249
Score = 63.4 bits (155), Expect = 4e-12
Identities = 56/194 (28%), Positives = 81/194 (41%), Gaps = 32/194 (16%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA--LAQQHSN-LHVI 58
K LITG R +G + + L G H + LA L +
Sbjct: 7 KVALITGGARRIGAAIARTLHAAGYRVAIH----YHRSAAEADALAAELNALRPGSAAAL 62
Query: 59 ELDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKF--TRLGLLKPEQMTDHFLV 115
+ D+ D D L + ++ V G L+ LVNNA + F T LG + Q D F
Sbjct: 63 QADLLD----PDALPELVAACVAAFGRLDALVNNA---SSFYPTPLGSITEAQWDDLFAS 115
Query: 116 NVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSK 175
N+ AP L++ P L+K R AIVN++ I + G+ Y +K
Sbjct: 116 NLKAPFFLSQAAAPQLRK------------QRGAIVNITDIHA---ERPLKGYPVYCAAK 160
Query: 176 AALNAATRSLSIDL 189
AAL TRSL+++L
Sbjct: 161 AALEMLTRSLALEL 174
>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 = 63.3 bits (154), Expect = 5e-12
Identities = 53/214 (24%), Positives = 81/214 (37%), Gaps = 26/214 (12%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K+ L+TG +RG+G ++L G + R++ + A AQ+ + + D
Sbjct: 1 KAALVTGASRGIGEATARLLHAEG----YRVGICARDEARLAA--AAAQELEGVLGLAGD 54
Query: 62 VTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKP-EQMTDHFLVNVTAP 120
V D + + D + GL+ LVNNAG+ + L P E A
Sbjct: 55 VRDEADVRR--AVDAMEEAFG-GLDALVNNAGVGV-MKPVEELTPEEWRLVLDTNLTGAF 110
Query: 121 LMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNA 180
+ K LL++ IVNV S+ G N G Y SK L
Sbjct: 111 YCIHKAAPALLRR------------GGGTIVNVGSLAGK---NAFKGGAAYNASKFGLLG 155
Query: 181 ATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAP 214
+ + +DL+ I + PG V T GS
Sbjct: 156 LSEAAMLDLREANIRVVNVMPGSVDTGFAGSPEG 189
>gnl|CDD|183833 PRK12939, PRK12939, short chain dehydrogenase; Provisional.
Length = 250
Score = 63.5 bits (155), Expect = 5e-12
Identities = 59/210 (28%), Positives = 78/210 (37%), Gaps = 27/210 (12%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA-LAQQHSNLHVIEL 60
K L+TG RGLG + L G A + +A EL A L H I
Sbjct: 8 KRALVTGAARGLGAAFAEALAEAG----ATVAFNDGLAAEARELAAALEAAGGRAHAIAA 63
Query: 61 DVTDFSKQQDVLFKDISDVVKDQ--GLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVT 118
D+ D V + D GL+ LVNNAGI L + VNV
Sbjct: 64 DLAD---PASV--QRFFDAAAAALGGLDGLVNNAGITNS-KSATELDIDTWDAVMNVNVR 117
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAAL 178
++ + LP L+ S R IVN++S Y SK A+
Sbjct: 118 GTFLMLRAALPHLRD-----------SGRGRIVNLAS---DTALWGAPKLGAYVASKGAV 163
Query: 179 NAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
TRSL+ +L G I A+ PG T+
Sbjct: 164 IGMTRSLARELGGRGITVNAIAPGLTATEA 193
>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 = 63.5 bits (155), Expect = 5e-12
Identities = 49/212 (23%), Positives = 90/212 (42%), Gaps = 28/212 (13%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELL-ALAQQH-SNLHVIE 59
K ++TG +RG+GL + + L G A + + +A E LA+++ +
Sbjct: 9 KVAIVTGGSRGIGLAIARALAEAG----ADVAIIYNSAPRAEEKAEELAKKYGVKTKAYK 64
Query: 60 LDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVT 118
DV+ Q+ + K + KD G +++L+ NAGI L EQ VN+
Sbjct: 65 CDVSS----QESVEKTFKQIQKDFGKIDILIANAGITVHKPALDY-TYEQWNKVIDVNLN 119
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSI--EDNTQGGFHPYRCSKA 176
+ + KK + +++ +S+ G+I Q Y SKA
Sbjct: 120 GVFNCAQAAAKIFKK-----------QGKGSLIITASMSGTIVNRPQPQA---AYNASKA 165
Query: 177 ALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
A+ +SL+++ I ++ PG++ TD+
Sbjct: 166 AVIHLAKSLAVEWAKYFIRVNSISPGYIDTDL 197
>gnl|CDD|181044 PRK07577, PRK07577, short chain dehydrogenase; Provisional.
Length = 234
Score = 61.7 bits (150), Expect = 2e-11
Identities = 51/211 (24%), Positives = 92/211 (43%), Gaps = 42/211 (19%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRN--KDKAVELLALAQQHSNLHVIE 59
+++L+TG +G+GL + L LG+ + R+ D EL A
Sbjct: 4 RTVLVTGATKGIGLALSLRLANLGH----QVIGIARSAIDDFPGELFAC----------- 48
Query: 60 LDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTA 119
D+ D + L + + + ++ +VNN GIA LG + + D + +NV A
Sbjct: 49 -DLADIEQTAATL----AQINEIHPVDAIVNNVGIAL-PQPLGKIDLAALQDVYDLNVRA 102
Query: 120 PLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSS--IMGSIEDNTQGGFHPYRCSKAA 177
+ +T+ L +K R IVN+ S I G+++ Y +K+A
Sbjct: 103 AVQVTQAFLEGMKLR---------EQGR--IVNICSRAIFGALDRT------SYSAAKSA 145
Query: 178 LNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
L TR+ +++L I A+ PG ++T++
Sbjct: 146 LVGCTRTWALELAEYGITVNAVAPGPIETEL 176
>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 = 61.7 bits (150), Expect = 2e-11
Identities = 60/234 (25%), Positives = 98/234 (41%), Gaps = 45/234 (19%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIEL 60
MK I ITG + GLGL + L+ G+ H R++ +A + A V+
Sbjct: 7 MKRIFITGSSDGLGLAAARTLLHQGHEVVLHA----RSQKRAADAKAACPG--AAGVL-- 58
Query: 61 DVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTA 119
+ D S + + ++D V G + +++NAGI + R + VNV A
Sbjct: 59 -IGDLSSLAET--RKLADQVNAIGRFDAVIHNAGILSGPNRKTP--DTGIPAMVAVNVLA 113
Query: 120 PLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIM-----GSIED-----NTQGGFH 169
P +LT + + ++ +SS M S++D +
Sbjct: 114 PYVLTALIRRPKR-----------------LIYLSSGMHRGGNASLDDIDWFNRGENDSP 156
Query: 170 PYRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAP--LEVGAAT 221
Y SK L+ T + ++ + + + A+HPGWV T MGG+ AP LE G T
Sbjct: 157 AYSDSK--LHVLTLAAAVARRWKDVSSNAVHPGWVPTKMGGAGAPDDLEQGHLT 208
>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 = 61.7 bits (150), Expect = 2e-11
Identities = 54/209 (25%), Positives = 89/209 (42%), Gaps = 22/209 (10%)
Query: 5 LITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQH-SNLHVIELDVT 63
++TG +RG+G + L G + + + D+A E++A + D+
Sbjct: 5 IVTGASRGIGRAIATELAARGFDIAIN---DLPDDDQATEVVAEVLAAGRRAIYFQADIG 61
Query: 64 DFSKQQDVLFKDISDVVKDQ--GLNVLVNNAGIAAKFTRLGLLK--PEQMTDHFLVNVTA 119
+ S + +L D + L+ LVNNAGIA + R LL + +N+
Sbjct: 62 ELSDHEALL-----DQAWEDFGRLDCLVNNAGIAVR-PRGDLLDLTEDSFDRLIAINLRG 115
Query: 120 PLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALN 179
P LT+ + + G R+ I+ V+SI + +G Y SKA L+
Sbjct: 116 PFFLTQA----VARRMVEQPDRFDGPHRS-IIFVTSINAYLVSPNRG---EYCISKAGLS 167
Query: 180 AATRSLSIDLKGDKIIATAMHPGWVKTDM 208
ATR L+ L + I + PG + TDM
Sbjct: 168 MATRLLAYRLADEGIAVHEIRPGLIHTDM 196
>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 = 61.3 bits (149), Expect = 2e-11
Identities = 52/210 (24%), Positives = 86/210 (40%), Gaps = 35/210 (16%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K LIT +G+G + G A++ AT N+ E L ++ + LD
Sbjct: 3 KVALITAAAQGIGRAIALAFAREG----ANVIATDINE----EKLKELERGPGITTRVLD 54
Query: 62 VTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLL---KPEQMTDHFLVNVT 118
VTD +Q L K+ + +VL N AG F G + + + +NV
Sbjct: 55 VTDK-EQVAALAKEEGRI------DVLFNCAG----FVHHGSILDCEDDDWDFAMNLNVR 103
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAAL 178
+ ++ K +LP + + + I+N+SS+ SI+ Y +KAA+
Sbjct: 104 SMYLMIKAVLPKMLARKDGS-----------IINMSSVASSIK--GVPNRFVYSTTKAAV 150
Query: 179 NAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
T+S++ D I A+ PG V T
Sbjct: 151 IGLTKSVAADFAQQGIRCNAICPGTVDTPS 180
>gnl|CDD|180796 PRK07023, PRK07023, short chain dehydrogenase; Provisional.
Length = 243
Score = 60.8 bits (148), Expect = 4e-11
Identities = 57/206 (27%), Positives = 93/206 (45%), Gaps = 26/206 (12%)
Query: 5 LITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELDVTD 64
++TG +RGLG + + L+ G + R++ + LA A L +ELD++D
Sbjct: 5 IVTGHSRGLGAALAEQLLQPGIA----VLGVARSRHPS---LA-AAAGERLAEVELDLSD 56
Query: 65 FSKQQDVLFKDI-SDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAPLML 123
+ L D+ + V +L+NNAG L L + +NV APLML
Sbjct: 57 AAAAAAWLAGDLLAAFVDGASRVLLINNAGTVEPIGPLATLDAAAIARAVGLNVAAPLML 116
Query: 124 TKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAATR 183
T + AA + R I+++SS N G+ Y +KAAL+ R
Sbjct: 117 TAALA----------QAASDAAER-RILHISSGAAR---NAYAGWSVYCATKAALDHHAR 162
Query: 184 SLSID-LKGDKIIATAMHPGWVKTDM 208
++++D + +I++ A PG V T M
Sbjct: 163 AVALDANRALRIVSLA--PGVVDTGM 186
>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 = 60.4 bits (147), Expect = 5e-11
Identities = 60/233 (25%), Positives = 91/233 (39%), Gaps = 40/233 (17%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K L+TG +RG+G + K L G + + +A+ +K A E++A +
Sbjct: 4 KVALVTGASRGIGRAIAKRLARDGASVVVN-YAS--SKAAAEEVVA--------EIEAAG 52
Query: 62 VTDFSKQQDVLFKDISDVVK--------DQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHF 113
+ Q DV D S V + G+++LVNNAG+ + E+ F
Sbjct: 53 GKAIAVQADV--SDPSQVARLFDAAEKAFGGVDILVNNAGVM-LKKPIAETSEEEFDRMF 109
Query: 114 LVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRC 173
VN + + AA I+N+SS + + + Y
Sbjct: 110 TVNTKGAFFVLQ-------------EAAKRLRDGGRIINISSSLTAA---YTPNYGAYAG 153
Query: 174 SKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM--GGSNAPLEVGAATAGI 224
SKAA+ A TR L+ +L G I A+ PG V TDM G G A
Sbjct: 154 SKAAVEAFTRVLAKELGGRGITVNAVAPGPVDTDMFYAGKTEEAVEGYAKMSP 206
>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 = 60.3 bits (146), Expect = 6e-11
Identities = 58/208 (27%), Positives = 87/208 (41%), Gaps = 22/208 (10%)
Query: 5 LITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSN-LHVIELDVT 63
++TG G+G + L G A + + A + A QQ +E +VT
Sbjct: 3 IVTGGAAGIGKAIAGTLAKAG----ASVVIADLKSEGAEAVAAAIQQAGGQAIGLECNVT 58
Query: 64 DFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAPLML 123
+ V+ +S + G+ +LVNNAG + E F +N+ + L
Sbjct: 59 SEQDLEAVVKATVS---QFGGITILVNNAGGGGPKPFDMPMTEEDFEWAFKLNLFSAFRL 115
Query: 124 TKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAATR 183
++ P ++KA AI+N+SS M S N Y SKAA+N TR
Sbjct: 116 SQLCAPHMQKAGGG-----------AILNISS-MSSE--NKNVRIAAYGSSKAAVNHMTR 161
Query: 184 SLSIDLKGDKIIATAMHPGWVKTDMGGS 211
+L+ DL I A+ PG VKTD S
Sbjct: 162 NLAFDLGPKGIRVNAVAPGAVKTDALAS 189
>gnl|CDD|181305 PRK08226, PRK08226, short chain dehydrogenase; Provisional.
Length = 263
Score = 60.2 bits (146), Expect = 7e-11
Identities = 58/215 (26%), Positives = 95/215 (44%), Gaps = 37/215 (17%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQ-HSNLH---V 57
K+ LITG +G+G G+ +V G A D + E+ LA + H
Sbjct: 7 KTALITGALQGIGEGIARVFARHG--------ANLILLDISPEIEKLADELCGRGHRCTA 58
Query: 58 IELDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLG--LLKPEQMTD-HF 113
+ DV D + I + +G +++LVNNAG+ RLG L ++ D H
Sbjct: 59 VVADVRDPASVAAA----IKRAKEKEGRIDILVNNAGVC----RLGSFLDMSDEDRDFHI 110
Query: 114 LVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRC 173
+N+ +TK +LP + + IV +SS+ G + + G Y
Sbjct: 111 DINIKGVWNVTKAVLPEM-----------IARKDGRIVMMSSVTGDMVADP--GETAYAL 157
Query: 174 SKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
+KAA+ T+SL+++ I A+ PG+V+T M
Sbjct: 158 TKAAIVGLTKSLAVEYAQSGIRVNAICPGYVRTPM 192
>gnl|CDD|180817 PRK07060, PRK07060, short chain dehydrogenase; Provisional.
Length = 245
Score = 60.1 bits (146), Expect = 8e-11
Identities = 57/214 (26%), Positives = 81/214 (37%), Gaps = 43/214 (20%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
KS+L+TG + G+G L G A + A RN A L LA + + + LD
Sbjct: 10 KSVLVTGASSGIGRACAVALAQRG----ARVVAAARN---AAALDRLAGE-TGCEPLRLD 61
Query: 62 VTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKP--EQMTDHF----LV 115
V D + + L + LVN AGIA L+ + + F V
Sbjct: 62 VGDDAAIRAAL-------AAAGAFDGLVNCAGIA-------SLESALDMTAEGFDRVMAV 107
Query: 116 NVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFH-PYRCS 174
N ++ A A +IVNVSS + H Y S
Sbjct: 108 NARGAALV----------ARHVARAMIAAGRGGSIVNVSSQAALVGLP----DHLAYCAS 153
Query: 175 KAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
KAAL+A TR L ++L I +++P T M
Sbjct: 154 KAALDAITRVLCVELGPHGIRVNSVNPTVTLTPM 187
>gnl|CDD|180822 PRK07069, PRK07069, short chain dehydrogenase; Validated.
Length = 251
Score = 60.1 bits (146), Expect = 8e-11
Identities = 55/212 (25%), Positives = 99/212 (46%), Gaps = 32/212 (15%)
Query: 5 LITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLH------VI 58
ITG GLG + + + G A +F T N ++ A A + + H
Sbjct: 3 FITGAAGGLGRAIARRMAEQG----AKVFLTDINDAAGLD--AFAAEINAAHGEGVAFAA 56
Query: 59 ELDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVT 118
DVTD ++ Q +L + + GL+VLVNNAG+ + F + ++ ++ +NV
Sbjct: 57 VQDVTDEAQWQALLAQAADAM---GGLSVLVNNAGVGS-FGAIEQIELDEWRRVMAINVE 112
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAAL 178
+ + K LP L+ S A+IVN+SS+ + + Y SKAA+
Sbjct: 113 SIFLGCKHALPYLRA-----------SQPASIVNISSVAAFKAEPD---YTAYNASKAAV 158
Query: 179 NAATRSLSIDL--KGDKIIATAMHPGWVKTDM 208
+ T+S+++D +G + ++HP +++T +
Sbjct: 159 ASLTKSIALDCARRGLDVRCNSIHPTFIRTGI 190
>gnl|CDD|236209 PRK08265, PRK08265, short chain dehydrogenase; Provisional.
Length = 261
Score = 60.0 bits (146), Expect = 8e-11
Identities = 54/210 (25%), Positives = 84/210 (40%), Gaps = 42/210 (20%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQH-SNLHVIEL 60
K ++TG +G + + LV G A + + D A+A I
Sbjct: 7 KVAIVTGGATLIGAAVARALVAAG----ARVAIVDIDADNGA---AVAASLGERARFIAT 59
Query: 61 DVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNA------GIAAKFTRLGLLKPEQMTDHF 113
D+TD + + ++ VV G +++LVN A G+A+ +R
Sbjct: 60 DITD----DAAIERAVATVVARFGRVDILVNLACTYLDDGLAS--SR------ADWLAAL 107
Query: 114 LVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRC 173
VN+ + ML + P L + AIVN +SI Q G Y
Sbjct: 108 DVNLVSAAMLAQAAHPHLARGG------------GAIVNFTSISAKF---AQTGRWLYPA 152
Query: 174 SKAALNAATRSLSIDLKGDKIIATAMHPGW 203
SKAA+ TRS+++DL D I ++ PGW
Sbjct: 153 SKAAIRQLTRSMAMDLAPDGIRVNSVSPGW 182
>gnl|CDD|235702 PRK06124, PRK06124, gluconate 5-dehydrogenase; Provisional.
Length = 256
Score = 60.1 bits (146), Expect = 8e-11
Identities = 54/214 (25%), Positives = 88/214 (41%), Gaps = 30/214 (14%)
Query: 5 LITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNK---DKAVELLALAQQHSNLHVIELD 61
L+TG RGLG + + L G G AH+ RN + AV AL + D
Sbjct: 15 LVTGSARGLGFEIARALAGAG----AHVLVNGRNAATLEAAVA--ALRAAGGAAEALAFD 68
Query: 62 VTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAPL 121
+ D + F I L++LVNN G A L L + ++ AP+
Sbjct: 69 IAD-EEAVAAAFARIDAE--HGRLDILVNNVG-ARDRRPLAELDDAAIRALLETDLVAPI 124
Query: 122 MLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAA 181
+L++ +K+ G R I+ ++SI G + + G Y +K L
Sbjct: 125 LLSRLAAQRMKRQ---------GYGR--IIAITSIAGQV---ARAGDAVYPAAKQGLTGL 170
Query: 182 TRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPL 215
R+L+ + I + A+ PG+ T+ +NA +
Sbjct: 171 MRALAAEFGPHGITSNAIAPGYFATE---TNAAM 201
>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 = 59.7 bits (145), Expect = 1e-10
Identities = 47/208 (22%), Positives = 84/208 (40%), Gaps = 25/208 (12%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIEL 60
K+ L+TG G+GL + + L G A++ ++ A +A +
Sbjct: 1 GKTALVTGAASGIGLAIARALAAAG----ANVVVNDFGEEGAEAAAKVAGDAG--GSVIY 54
Query: 61 DVTDFSKQQDVLFKDISDVVKDQ--GLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVT 118
D +K+ ++ D+ + GL++LVNNAGI + PE V +T
Sbjct: 55 LPADVTKEDEI--ADMIAAAAAEFGGLDILVNNAGI-QHVAPIEEFPPEDWDRIIAVMLT 111
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAAL 178
+ + LP +KK I+N++S G + Y +K L
Sbjct: 112 SAFHTIRAALPHMKKQ-----------GWGRIINIASAHGLV---ASPFKSAYVAAKHGL 157
Query: 179 NAATRSLSIDLKGDKIIATAMHPGWVKT 206
T+ L++++ I A+ PG+V+T
Sbjct: 158 IGLTKVLALEVAEHGITVNAICPGYVRT 185
>gnl|CDD|181334 PRK08263, PRK08263, short chain dehydrogenase; Provisional.
Length = 275
Score = 58.9 bits (143), Expect = 3e-10
Identities = 57/215 (26%), Positives = 93/215 (43%), Gaps = 28/215 (13%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQH-SNLHVIE 59
K ITG +RG G + + G+ + AT R+ L LA+++ L +
Sbjct: 3 EKVWFITGASRGFGRAWTEAALERGDR----VVATARDTAT---LADLAEKYGDRLLPLA 55
Query: 60 LDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVT 118
LDVTD + +F + V+ G L+++VNNAG F + + + N
Sbjct: 56 LDVTD----RAAVFAAVETAVEHFGRLDIVVNNAGYG-LFGMIEEVTESEARAQIDTNFF 110
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAAL 178
L +T+ +LP L++ S I+ +SSI G G +H SK AL
Sbjct: 111 GALWVTQAVLPYLREQ---------RSGH--IIQISSIGGISAFPMSGIYH---ASKWAL 156
Query: 179 NAATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNA 213
+ +L+ ++ I T + PG TD G++A
Sbjct: 157 EGMSEALAQEVAEFGIKVTLVEPGGYSTDWAGTSA 191
>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 = 58.1 bits (141), Expect = 3e-10
Identities = 45/192 (23%), Positives = 74/192 (38%), Gaps = 28/192 (14%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHV---- 57
L+TG + +G + + L G + E L + + L
Sbjct: 1 AVALVTGAAKRIGRAIAEALAAEGYR----VVVHYNRS--EAEAQRLKDELNALRNSAVL 54
Query: 58 IELDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNV 117
++ D++DF+ D++ +VLVNNA T LG + + F +N+
Sbjct: 55 VQADLSDFAACADLVAAAFRAF---GRCDVLVNNASAFYP-TPLGQGSEDAWAELFGINL 110
Query: 118 TAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAA 177
AP +L + L GS +I+N+ M D G+ Y SKAA
Sbjct: 111 KAPYLLIQAFARRLA-----------GSRNGSIINIIDAM---TDRPLTGYFAYCMSKAA 156
Query: 178 LNAATRSLSIDL 189
L TRS +++L
Sbjct: 157 LEGLTRSAALEL 168
>gnl|CDD|235794 PRK06398, PRK06398, aldose dehydrogenase; Validated.
Length = 258
Score = 58.3 bits (141), Expect = 3e-10
Identities = 54/235 (22%), Positives = 101/235 (42%), Gaps = 35/235 (14%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K ++TG ++G+G ++ L G+N F V+ ++D
Sbjct: 7 KVAIVTGGSQGIGKAVVNRLKEEGSNVIN--FDIKEPSYNDVDY------------FKVD 52
Query: 62 VTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAP 120
V++ ++ + K I V+ G +++LVNNAGI + + ++ ++ VNV
Sbjct: 53 VSN----KEQVIKGIDYVISKYGRIDILVNNAGI-ESYGAIHAVEEDEWDRIINVNVNGI 107
Query: 121 LMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNA 180
+++K +P + L + I+N++S+ Y SK A+
Sbjct: 108 FLMSKYTIPYM-----------LKQDKGVIINIASVQSFA---VTRNAAAYVTSKHAVLG 153
Query: 181 ATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPLEVGAATAGIIQFIQSLGEAH 235
TRS+++D I A+ PG ++T + A LEVG + + I+ GE H
Sbjct: 154 LTRSIAVDY-APTIRCVAVCPGSIRTPLLEWAAELEVGKDPEHVERKIREWGEMH 207
>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 = 58.2 bits (141), Expect = 4e-10
Identities = 45/206 (21%), Positives = 82/206 (39%), Gaps = 35/206 (16%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K ++TG G G G+ + G A + N D A + A I+ D
Sbjct: 6 KVAIVTGAGSGFGEGIARRFAQEG----ARVVIADINADGAERVAA--DIGEAAIAIQAD 59
Query: 62 VTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAPL 121
VT + + ++ +S K L++LVNNAGI + + + E+ F VNV +
Sbjct: 60 VTKRADVEAMVEAALS---KFGRLDILVNNAGITHRNKPMLEVDEEEFDRVFAVNVKSIY 116
Query: 122 MLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHP------YRCSK 175
+ + ++P +++ I+N++S G P Y SK
Sbjct: 117 LSAQALVPHMEEQGG-----------GVIINIAS---------TAGLRPRPGLTWYNASK 156
Query: 176 AALNAATRSLSIDLKGDKIIATAMHP 201
+ AT++++++L I + P
Sbjct: 157 GWVVTATKAMAVELAPRNIRVNCLCP 182
>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 = 58.5 bits (142), Expect = 4e-10
Identities = 53/172 (30%), Positives = 79/172 (45%), Gaps = 26/172 (15%)
Query: 39 KDKAVELLALAQQH-SNLHVIELDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAA 96
+D A E L ++ +I D+ D S +D+ + +VVK+ G L++LVNNA
Sbjct: 62 EDDAEETKKLIEEEGRKCLLIPGDLGDESFCRDL----VKEVVKEFGKLDILVNNAAYQH 117
Query: 97 KFTRLGLLKPEQMTDHFLVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSI 156
+ + EQ+ F N+ + LTK LP LKK GSS I+N +S+
Sbjct: 118 PQESIEDITTEQLEKTFRTNIFSMFYLTKAALPHLKK----------GSS---IINTTSV 164
Query: 157 MGSIEDNTQGGFH--PYRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKT 206
+G H Y +K A+ A TR LS+ L I A+ PG + T
Sbjct: 165 TA-----YKGSPHLLDYAATKGAIVAFTRGLSLQLAEKGIRVNAVAPGPIWT 211
>gnl|CDD|181159 PRK07890, PRK07890, short chain dehydrogenase; Provisional.
Length = 258
Score = 58.0 bits (141), Expect = 5e-10
Identities = 30/121 (24%), Positives = 52/121 (42%), Gaps = 15/121 (12%)
Query: 84 GLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAPLMLTKTMLPLLKKASEANSAAPL 143
++ LVNNA L +NV L LT+ P L +
Sbjct: 82 RVDALVNNAFRVPSMKPLADADFAHWRAVIELNVLGTLRLTQAFTPALAE---------- 131
Query: 144 GSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAATRSLSIDLKGDKIIATAMHPGW 203
S +IV ++S + ++Q + Y+ +K AL AA++SL+ +L I ++ PG+
Sbjct: 132 --SGGSIVMINS---MVLRHSQPKYGAYKMAKGALLAASQSLATELGPQGIRVNSVAPGY 186
Query: 204 V 204
+
Sbjct: 187 I 187
>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 = 57.5 bits (139), Expect = 6e-10
Identities = 48/222 (21%), Positives = 84/222 (37%), Gaps = 29/222 (13%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
+ +L+TG +RGLG + + G + R+ + A + A A I+ D
Sbjct: 1 QVVLVTGASRGLGAAIARSFAREGARV---VVNYYRSTESAEAVAAEAG--ERAIAIQAD 55
Query: 62 VTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMT-----DHFLV 115
V D + Q I + G ++ +VNNA I F + +
Sbjct: 56 VRDRDQVQ----AMIEEAKNHFGPVDTIVNNALIDFPFDPDQRKTFDTIDWEDYQQQLEG 111
Query: 116 NVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSK 175
V L L + +LP K+ ++N+ + ++ N +H Y +K
Sbjct: 112 AVKGALNLLQAVLPDFKERGSGR-----------VINIGT---NLFQNPVVPYHDYTTAK 157
Query: 176 AALNAATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPLEV 217
AAL TR+++ +L I + G +K + P EV
Sbjct: 158 AALLGFTRNMAKELGPYGITVNMVSGGLLKVTDASAATPKEV 199
>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 = 57.4 bits (139), Expect = 6e-10
Identities = 55/210 (26%), Positives = 92/210 (43%), Gaps = 32/210 (15%)
Query: 5 LITGCNRGLGLGMIKVLVGLGNNQPAHIFATCR-NKDKAVELL-ALAQQHSNLHVIELDV 62
L+TG G+G + + L G + A C N+++A L + V+E DV
Sbjct: 4 LVTGGMGGIGTAICQRLAKDGYR----VAANCGPNEERAEAWLQEQGALGFDFRVVEGDV 59
Query: 63 TDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLK---PEQMTDHFLVNVT 118
+ F + ++ V + G ++VLVNNAGI TR K EQ + N+
Sbjct: 60 SSFESCKAA----VAKVEAELGPIDVLVNNAGI----TRDATFKKMTYEQWSAVIDTNLN 111
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAAL 178
+ +T+ P++ E G R I+N+SS+ G Q G Y +KA +
Sbjct: 112 SVFNVTQ---PVIDGMRER------GWGR--IINISSVNGQ---KGQFGQTNYSAAKAGM 157
Query: 179 NAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
T++L+ + + + PG++ TDM
Sbjct: 158 IGFTKALAQEGATKGVTVNTISPGYIATDM 187
>gnl|CDD|236145 PRK08063, PRK08063, enoyl-(acyl carrier protein) reductase;
Provisional.
Length = 250
Score = 57.4 bits (139), Expect = 7e-10
Identities = 59/216 (27%), Positives = 93/216 (43%), Gaps = 40/216 (18%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA-LAQQHSNLHVIEL 60
K L+TG +RG+G + L G + + R++ A E + ++
Sbjct: 5 KVALVTGSSRGIGKAIALRLAEEGYDIAVNYA---RSRKAAEETAEEIEALGRKALAVKA 61
Query: 61 DVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKP--EQMTDHFL---- 114
+V D K ++ +F I + L+V VNNA G+L+P E H+
Sbjct: 62 NVGDVEKIKE-MFAQIDEEFG--RLDVFVNNAAS-------GVLRPAMELEESHWDWTMN 111
Query: 115 VNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSI---EDNTQGGFHPY 171
+N A L + L++K G + I+++SS+ GSI E+ T G
Sbjct: 112 INAKALLFCAQEAAKLMEKV---------GGGK--IISLSSL-GSIRYLENYTTVG---- 155
Query: 172 RCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTD 207
SKAAL A TR L+++L I A+ G V TD
Sbjct: 156 -VSKAALEALTRYLAVELAPKGIAVNAVSGGAVDTD 190
>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 = 57.2 bits (138), Expect = 8e-10
Identities = 58/234 (24%), Positives = 88/234 (37%), Gaps = 29/234 (12%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA-LAQQHSNLHVIEL 60
K L+TG + G+G + L G A + R D+ L L + V+EL
Sbjct: 4 KVALVTGASSGIGEATARALAAEG----AAVAIAARRVDRLEALADELEAEGGKALVLEL 59
Query: 61 DVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTD---HFLVNV 117
DVTD +Q V V L++LVNNAGI LG ++ TD N+
Sbjct: 60 DVTD---EQQVDAAVERTVEALGRLDILVNNAGIML----LGPVEDADTTDWTRMIDTNL 112
Query: 118 TAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAA 177
+ T LP ++ IVN+SS+ G + Y +K
Sbjct: 113 LGLMYTTHAALPHHLLRNKGT-----------IVNISSVAGRVAVRNSAV---YNATKFG 158
Query: 178 LNAATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPLEVGAATAGIIQFIQSL 231
+NA + L ++ + + PG V T++ A I I+ L
Sbjct: 159 VNAFSEGLRQEVTERGVRVVVIEPGTVDTELRDHITHTITKEAYEERISTIRKL 212
>gnl|CDD|180462 PRK06198, PRK06198, short chain dehydrogenase; Provisional.
Length = 260
Score = 56.9 bits (138), Expect = 1e-09
Identities = 55/211 (26%), Positives = 90/211 (42%), Gaps = 29/211 (13%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA-LAQQHSNLHVIEL 60
K L+TG +GLG + + G A + RN +K A L + ++
Sbjct: 7 KVALVTGGTQGLGAAIARAFAERG---AAGLVICGRNAEKGEAQAAELEALGAKAVFVQA 63
Query: 61 DVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTA 119
D++D + V ++ + G L+ LVN AG+ + T L PE HF VNV A
Sbjct: 64 DLSDVEDCRRV----VAAADEAFGRLDALVNAAGLTDRGTILDT-SPELFDRHFAVNVRA 118
Query: 120 PLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGG---FHPYRCSKA 176
P L + + L+++ + IVN+ S+ + GG Y SK
Sbjct: 119 PFFLMQEAIKLMRRRKAEGT----------IVNIGSM------SAHGGQPFLAAYCASKG 162
Query: 177 ALNAATRSLSIDLKGDKIIATAMHPGWVKTD 207
AL TR+ + L ++I ++ GW+ T+
Sbjct: 163 ALATLTRNAAYALLRNRIRVNGLNIGWMATE 193
>gnl|CDD|180984 PRK07454, PRK07454, short chain dehydrogenase; Provisional.
Length = 241
Score = 56.5 bits (137), Expect = 1e-09
Identities = 53/218 (24%), Positives = 85/218 (38%), Gaps = 45/218 (20%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFA--------TCRNKDKAVELLALAQQH 52
M LITG + G+G A FA R++D L ALA +
Sbjct: 6 MPRALITGASSGIGKAT------------ALAFAKAGWDLALVARSQDA---LEALAAEL 50
Query: 53 SNLHV-IELDVTDFSKQQDVLFKDISDVVKDQGL-NVLVNNAGIA--AKFTRLGLLKPEQ 108
+ V D S + + I+++++ G +VL+NNAG+A + L +
Sbjct: 51 RSTGVKAAAYSIDLSNPEAIAPG-IAELLEQFGCPDVLINNAGMAYTGPLLEMPLSDWQW 109
Query: 109 MTDHFLVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGF 168
+ +N+T+ +LP ++ I+NVSSI N +
Sbjct: 110 VIQ---LNLTSVFQCCSAVLPGMRARG-----------GGLIINVSSIAA---RNAFPQW 152
Query: 169 HPYRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKT 206
Y SKAAL A T+ L+ + + I + G V T
Sbjct: 153 GAYCVSKAALAAFTKCLAEEERSHGIRVCTITLGAVNT 190
>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 = 56.5 bits (137), Expect = 1e-09
Identities = 55/211 (26%), Positives = 88/211 (41%), Gaps = 35/211 (16%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSN-----L 55
K +LITG + G+G + K LV G A++ R++ K E + + +N +
Sbjct: 1 GKHVLITGGSSGIGKALAKELVKEG----ANVIIVARSESKLEEAVEEIEAEANASGQKV 56
Query: 56 HVIELDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAG--IAAKFTRLGLLKPEQMTDHF 113
I D++D+ ++ + F V K +++VN AG I F L E+
Sbjct: 57 SYISADLSDY-EEVEQAFAQA--VEKGGPPDLVVNCAGISIPGLFEDL---TAEEFERGM 110
Query: 114 LVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQG--GFHPY 171
VN L + +LPL+K+ + IV VSS + G G+ Y
Sbjct: 111 DVNYFGSLNVAHAVLPLMKEQRPGH-----------IVFVSSQAALV-----GIYGYSAY 154
Query: 172 RCSKAALNAATRSLSIDLKGDKIIATAMHPG 202
SK AL SL +LK I + ++P
Sbjct: 155 CPSKFALRGLAESLRQELKPYNIRVSVVYPP 185
>gnl|CDD|235813 PRK06482, PRK06482, short chain dehydrogenase; Provisional.
Length = 276
Score = 56.7 bits (137), Expect = 1e-09
Identities = 59/224 (26%), Positives = 99/224 (44%), Gaps = 29/224 (12%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSN-LHVIEL 60
K+ ITG + G G GM + L+ G+ + AT R D L L ++ + L V++L
Sbjct: 3 KTWFITGASSGFGRGMTERLLARGD----RVAATVRRPDA---LDDLKARYGDRLWVLQL 55
Query: 61 DVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAP 120
DVTD + + V+ + + + + ++V+V+NAG F L Q+ N+
Sbjct: 56 DVTDSAAVRAVVDRAFAALGR---IDVVVSNAGYGL-FGAAEELSDAQIRRQIDTNLIGS 111
Query: 121 LMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNA 180
+ + + LP L++ G R IV VSS G I GF Y +K +
Sbjct: 112 IQVIRAALPHLRRQ---------GGGR--IVQVSSEGGQI---AYPGFSLYHATKWGIEG 157
Query: 181 ATRSLSIDLKGDKIIATAMHPGWVKTDMGGS---NAPLEVGAAT 221
+++ ++ I T + PG +T+ G APL+ T
Sbjct: 158 FVEAVAQEVAPFGIEFTIVEPGPARTNFGAGLDRGAPLDAYDDT 201
>gnl|CDD|181297 PRK08217, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 253
Score = 56.1 bits (136), Expect = 2e-09
Identities = 65/239 (27%), Positives = 101/239 (42%), Gaps = 44/239 (18%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHS-NLHVIEL 60
K I+ITG +GLG M + L G A + N++K E +A +
Sbjct: 6 KVIVITGGAQGLGRAMAEYLAQKG----AKLALIDLNQEKLEEAVAECGALGTEVRGYAA 61
Query: 61 DVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLL---KPEQMTDHFL-- 114
+VTD ++DV + + +D G LN L+NNAGI R GLL K ++T
Sbjct: 62 NVTD---EEDV-EATFAQIAEDFGQLNGLINNAGI----LRDGLLVKAKDGKVTSKMSLE 113
Query: 115 -------VNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSI--MGSIEDNTQ 165
VN+T + + EA + S+ I+N+SSI G++
Sbjct: 114 QFQSVIDVNLTGVFLCGR----------EAAAKMIESGSKGVIINISSIARAGNM----- 158
Query: 166 GGFHPYRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPLEVGAATAGI 224
G Y SKA + A T + + +L I A+ PG ++T+M + P + I
Sbjct: 159 -GQTNYSASKAGVAAMTVTWAKELARYGIRVAAIAPGVIETEMTAAMKPEALERLEKMI 216
>gnl|CDD|180448 PRK06182, PRK06182, short chain dehydrogenase; Validated.
Length = 273
Score = 56.1 bits (136), Expect = 2e-09
Identities = 54/214 (25%), Positives = 96/214 (44%), Gaps = 35/214 (16%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIEL 60
K L+TG + G+G + L G ++ R DK +L +L +H + L
Sbjct: 3 KKVALVTGASSGIGKATARRLAAQGYT----VYGAARRVDKMEDLASLG-----VHPLSL 53
Query: 61 DVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTD---HFLVN 116
DVTD + + + ++ ++G ++VLVNNAG + G ++ + + F VN
Sbjct: 54 DVTD----EASIKAAVDTIIAEEGRIDVLVNNAG----YGSYGAIEDVPIDEARRQFEVN 105
Query: 117 VTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKA 176
+ LT+ +LP ++ S R I+N+SS+ G I +H +K
Sbjct: 106 LFGAARLTQLVLPHMRAQ---------RSGR--IINISSMGGKIYTPLGAWYH---ATKF 151
Query: 177 ALNAATRSLSIDLKGDKIIATAMHPGWVKTDMGG 210
AL + +L +++ I + PG +KT+ G
Sbjct: 152 ALEGFSDALRLEVAPFGIDVVVIEPGGIKTEWGD 185
>gnl|CDD|181136 PRK07825, PRK07825, short chain dehydrogenase; Provisional.
Length = 273
Score = 55.7 bits (135), Expect = 3e-09
Identities = 63/238 (26%), Positives = 100/238 (42%), Gaps = 44/238 (18%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K + ITG RG+GL + L LG A + ++ A E A + + LD
Sbjct: 6 KVVAITGGARGIGLATARALAALG----ARVAIGDLDEALAKET---AAELGLVVGGPLD 58
Query: 62 VTDFSKQQDVLFKDISDVVKDQG--LNVLVNNAGIAAKFTRLG--LLKPEQMTDHFL-VN 116
VTD + F D V+ ++VLVNNAG+ +G L +P+ +T L VN
Sbjct: 59 VTDPAS-----FAAFLDAVEADLGPIDVLVNNAGV----MPVGPFLDEPDAVTRRILDVN 109
Query: 117 VTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKA 176
V ++ +K P + R +VNV+S+ G I G Y SK
Sbjct: 110 VYGVILGSKLAAP-----------RMVPRGRGHVVNVASLAGKI---PVPGMATYCASKH 155
Query: 177 ALNAATRSLSIDLKGDKIIATAMHPGWVKTDM------GGSNAPLE---VGAATAGII 225
A+ T + ++L+G + + + P +V T++ +E V AA G +
Sbjct: 156 AVVGFTDAARLELRGTGVHVSVVLPSFVNTELIAGTGGAKGFKNVEPEDVAAAIVGTV 213
>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 = 55.4 bits (134), Expect = 3e-09
Identities = 45/209 (21%), Positives = 88/209 (42%), Gaps = 25/209 (11%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIEL 60
K L+T + G+GL + + L G A + RN++ +E A + V+ +
Sbjct: 1 GKVALVTAASSGIGLAIARALAREG----ARVAICARNREN-LERAASELRAGGAGVLAV 55
Query: 61 DVTDFSKQQDVLFKDISDVVKDQ--GLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVT 118
V D + +D+ + + D +++LVNNAG L E + F + +
Sbjct: 56 -VADLTDPEDI--DRLVEKAGDAFGRVDILVNNAGGPPPGPFAEL-TDEDWLEAFDLKLL 111
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAAL 178
+ + + + +LP +K+ IVN+SS+ E ++A L
Sbjct: 112 SVIRIVRAVLPGMKERGWG-----------RIVNISSLTV-KEPEP--NLVLSNVARAGL 157
Query: 179 NAATRSLSIDLKGDKIIATAMHPGWVKTD 207
++LS +L D + ++ PG++ T+
Sbjct: 158 IGLVKTLSRELAPDGVTVNSVLPGYIDTE 186
>gnl|CDD|181225 PRK08085, PRK08085, gluconate 5-dehydrogenase; Provisional.
Length = 254
Score = 54.8 bits (132), Expect = 6e-09
Identities = 60/214 (28%), Positives = 93/214 (43%), Gaps = 35/214 (16%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIF---ATCRNKDKAVELLALAQQHSNLHVI 58
K+ILITG +G+G + L G A I T + AV L Q+ H
Sbjct: 10 KNILITGSAQGIGFLLATGLAEYG----AEIIINDITAERAELAVA--KLRQEGIKAHAA 63
Query: 59 ELDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAK--FTRLGLLKPEQMTDHFL- 114
+VT + + I + KD G ++VL+NNAGI + FT PEQ + +
Sbjct: 64 PFNVTHKQEVEAA----IEHIEKDIGPIDVLINNAGIQRRHPFTEF----PEQEWNDVIA 115
Query: 115 VNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCS 174
VN TA ++ S+A + + I+N+ S+ + +T PY S
Sbjct: 116 VNQTAVFLV-----------SQAVARYMVKRQAGKIINICSMQSELGRDT---ITPYAAS 161
Query: 175 KAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
K A+ TR + ++L I + PG+ KT+M
Sbjct: 162 KGAVKMLTRGMCVELARHNIQVNGIAPGYFKTEM 195
>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 = 54.0 bits (130), Expect = 1e-08
Identities = 53/222 (23%), Positives = 85/222 (38%), Gaps = 23/222 (10%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K ++TG G+G L G A + + A ++A + + +D
Sbjct: 4 KVAIVTGAGAGIGAACAARLAREG----ARVVVADIDGGAAQAVVAQIAGGAL--ALRVD 57
Query: 62 VTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAPL 121
VTD +Q V V + GL++LVNNAG + +N+
Sbjct: 58 VTD---EQQVAALFERAVEEFGGLDLLVNNAGAMHLTPAIIDTDLAVWDQTMAINLRGTF 114
Query: 122 MLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAA 181
+ + P + + +IVN+SSI G D G Y SKAA+
Sbjct: 115 LCCRHAAPRM-----------IARGGGSIVNLSSIAGQSGDPGYGA---YGASKAAIRNL 160
Query: 182 TRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPLEVGAATAG 223
TR+L+ +L+ I A+ PG + T + + GA G
Sbjct: 161 TRTLAAELRHAGIRCNALAPGLIDTPLLLAKLAGFEGALGPG 202
>gnl|CDD|180411 PRK06123, PRK06123, short chain dehydrogenase; Provisional.
Length = 248
Score = 53.6 bits (129), Expect = 1e-08
Identities = 59/218 (27%), Positives = 100/218 (45%), Gaps = 31/218 (14%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATC----RNKDKAVELLALAQQHSNLHV 57
K ++ITG +RG+G + G +A C RN+D A ++ ++ +
Sbjct: 3 KVMIITGASRGIGAATALLAAERG-------YAVCLNYLRNRDAAEAVVQAIRRQGGEAL 55
Query: 58 -IELDVTDFSKQQDV--LFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHF 113
+ DV D + DV LF+ + ++ G L+ LVNNAGI RL + ++T F
Sbjct: 56 AVAADVAD---EADVLRLFEAVD---RELGRLDALVNNAGILEAQMRLEQMDAARLTRIF 109
Query: 114 LVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRC 173
NV + + +K+ S + G AIVNVSS+ + + G + Y
Sbjct: 110 ATNVVGSFLCAREA---VKRMSTRH-----GGRGGAIVNVSSMAARL--GSPGEYIDYAA 159
Query: 174 SKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDMGGS 211
SK A++ T L+ ++ + I A+ PG + T++ S
Sbjct: 160 SKGAIDTMTIGLAKEVAAEGIRVNAVRPGVIYTEIHAS 197
>gnl|CDD|181131 PRK07814, PRK07814, short chain dehydrogenase; Provisional.
Length = 263
Score = 53.6 bits (129), Expect = 2e-08
Identities = 50/203 (24%), Positives = 82/203 (40%), Gaps = 23/203 (11%)
Query: 5 LITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA-LAQQHSNLHVIELDVT 63
++TG RGLG + G A + R + + E+ + HV+ D+
Sbjct: 14 VVTGAGRGLGAAIALAFAEAG----ADVLIAARTESQLDEVAEQIRAAGRRAHVVAADLA 69
Query: 64 DFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAPLML 123
+ + + + L+++VNN G L + + D F NV L
Sbjct: 70 HPEATAGLAGQAVEAFGR---LDIVVNNVGGTMPNPLLST-STKDLADAFTFNVATAHAL 125
Query: 124 TKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAATR 183
T +PL+ + S S ++N+SS MG + GF Y +KAAL TR
Sbjct: 126 TVAAVPLMLEHSGGGS----------VINISSTMGRL---AGRGFAAYGTAKAALAHYTR 172
Query: 184 SLSIDLKGDKIIATAMHPGWVKT 206
++DL +I A+ PG + T
Sbjct: 173 LAALDL-CPRIRVNAIAPGSILT 194
>gnl|CDD|236357 PRK08945, PRK08945, putative oxoacyl-(acyl carrier protein)
reductase; Provisional.
Length = 247
Score = 53.0 bits (128), Expect = 2e-08
Identities = 57/230 (24%), Positives = 98/230 (42%), Gaps = 63/230 (27%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATC--------RNKDKAVELLALAQQ-- 51
+ IL+TG G+G + A +A R ++K L A+ +
Sbjct: 13 RIILVTGAGDGIG------------REAALTYARHGATVILLGRTEEK---LEAVYDEIE 57
Query: 52 ---HSNLHVIELDVTDFSKQQDVLFKDISDVVKDQ--GLNVLVNNAGIAAKFTRLGLLKP 106
+I LD+ + Q ++ ++D +++Q L+ +++NAG+ LG L P
Sbjct: 58 AAGGPQPAIIPLDLLTATPQN---YQQLADTIEEQFGRLDGVLHNAGL------LGELGP 108
Query: 107 --EQMTDHFL----VNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSI 160
+Q + + VNV A MLT+ +LPLL K S A++V SS +G
Sbjct: 109 MEQQDPEVWQDVMQVNVNATFMLTQALLPLLLK-----------SPAASLVFTSSSVG-- 155
Query: 161 EDNTQG--GFHPYRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
QG + Y SK A + L+ + +G + ++PG +T M
Sbjct: 156 ---RQGRANWGAYAVSKFATEGMMQVLADEYQGTNLRVNCINPGGTRTAM 202
>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 = 52.9 bits (127), Expect = 2e-08
Identities = 62/209 (29%), Positives = 94/209 (44%), Gaps = 28/209 (13%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCR---NKDKAVELLALAQQHSNLHVI 58
K L+T G+GL + + L G AH+ + R N D+AV L Q L V
Sbjct: 11 KVALVTASTDGIGLAIARRLAQDG----AHVVVSSRKQQNVDRAVATL----QGEGLSVT 62
Query: 59 ELDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFL-VNV 117
V K +D + V G+++LV+NA + F + L E++ D L VNV
Sbjct: 63 G-TVCHVGKAEDRERLVATAVNLHGGVDILVSNAAVNPFFGNI-LDSTEEVWDKILDVNV 120
Query: 118 TAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAA 177
A ++TK ++P ++K G S +V VSS+ + G PY SK A
Sbjct: 121 KATALMTKAVVPEMEKRG--------GGS---VVIVSSVAAF---HPFPGLGPYNVSKTA 166
Query: 178 LNAATRSLSIDLKGDKIIATAMHPGWVKT 206
L T++L+ +L I + PG +KT
Sbjct: 167 LLGLTKNLAPELAPRNIRVNCLAPGLIKT 195
>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 = 52.9 bits (127), Expect = 2e-08
Identities = 52/208 (25%), Positives = 94/208 (45%), Gaps = 22/208 (10%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K +++TG +RG+G G+++ V G A +A+E + + D
Sbjct: 10 KVVIVTGGSRGIGRGIVRAFVENGAK--VVFCARGEAAGQALESELNRAGPGSCKFVPCD 67
Query: 62 VTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAP 120
VT +++ + IS V+ G ++ LVNNAG ++ D +N+ +
Sbjct: 68 VT----KEEDIKTLISVTVERFGRIDCLVNNAGWHPPHQTTDETSAQEFRDLLNLNLISY 123
Query: 121 LMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNA 180
+ +K LP L+K S+ I+N+SS++GSI Q PY +K A+ A
Sbjct: 124 FLASKYALPHLRK------------SQGNIINLSSLVGSI---GQKQAAPYVATKGAITA 168
Query: 181 ATRSLSIDLKGDKIIATAMHPGWVKTDM 208
T++L++D + + PG + T +
Sbjct: 169 MTKALAVDESRYGVRVNCISPGNIWTPL 196
>gnl|CDD|181762 PRK09291, PRK09291, short chain dehydrogenase; Provisional.
Length = 257
Score = 53.1 bits (128), Expect = 2e-08
Identities = 56/204 (27%), Positives = 86/204 (42%), Gaps = 31/204 (15%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHS-NLHVIE 59
K+ILITG G G + L G+N + A + + L A A + L V +
Sbjct: 2 SKTILITGAGSGFGREVALRLARKGHN----VIAGVQIAPQVTALRAEAARRGLALRVEK 57
Query: 60 LDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTA 119
LD+TD + D+ +VL+NNAGI + + E + + F NV
Sbjct: 58 LDLTDAIDRAQAAEWDV---------DVLLNNAGIGEAGA-VVDIPVELVRELFETNVFG 107
Query: 120 PLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALN 179
PL LT+ + + + + +V SS+ G I G Y SK AL
Sbjct: 108 PLELTQGFVRKM-----------VARGKGKVVFTSSMAGLITGPFTG---AYCASKHALE 153
Query: 180 AATRSLSIDLKGDKI-IATAMHPG 202
A ++ +LK I +AT ++PG
Sbjct: 154 AIAEAMHAELKPFGIQVAT-VNPG 176
>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 = 52.6 bits (126), Expect = 3e-08
Identities = 52/206 (25%), Positives = 86/206 (41%), Gaps = 28/206 (13%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K ++TG G+G + + G+ +FA + A A NL + D
Sbjct: 2 KVAIVTGGGHGIGKQICLDFLEAGDKV---VFADIDEERGADFAEAEGP---NLFFVHGD 55
Query: 62 VTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAPL 121
V D + + V++ + K ++VLVNNA +K L L E+ VN+T P
Sbjct: 56 VADETLVKFVVYAMLE---KLGRIDVLVNNAARGSK-GILSSLLLEEWDRILSVNLTGPY 111
Query: 122 MLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMG-SIEDNTQGGFHPYRCSKAALNA 180
L++ L K ++ I+N++S E +++ Y SK L A
Sbjct: 112 ELSRYCRDELIK------------NKGRIINIASTRAFQSEPDSE----AYAASKGGLVA 155
Query: 181 ATRSLSIDLKGDKIIATAMHPGWVKT 206
T +L++ L G I + PGW+ T
Sbjct: 156 LTHALAMSL-GPDIRVNCISPGWINT 180
>gnl|CDD|182051 PRK09730, PRK09730, putative NAD(P)-binding oxidoreductase;
Provisional.
Length = 247
Score = 52.5 bits (126), Expect = 3e-08
Identities = 58/212 (27%), Positives = 92/212 (43%), Gaps = 17/212 (8%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLAL-AQQHSNLHVIE 59
M L+TG +RG+G +L G + +N A E++ L Q V++
Sbjct: 1 MAIALVTGGSRGIGRATALLLAQEGYTVAVNYQ---QNLHAAQEVVNLITQAGGKAFVLQ 57
Query: 60 LDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTA 119
D++D Q +F I D+ L LVNNAGI + L E++ NVT
Sbjct: 58 ADISD-ENQVVAMFTAIDQ--HDEPLAALVNNAGILFTQCTVENLTAERINRVLSTNVTG 114
Query: 120 PLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALN 179
+ + + K+ + + G S AIVNVSS + G + Y SK A++
Sbjct: 115 YFLCCREAV---KRMALKH-----GGSGGAIVNVSSAASRL--GAPGEYVDYAASKGAID 164
Query: 180 AATRSLSIDLKGDKIIATAMHPGWVKTDMGGS 211
T LS+++ I + PG++ T+M S
Sbjct: 165 TLTTGLSLEVAAQGIRVNCVRPGFIYTEMHAS 196
>gnl|CDD|171531 PRK12481, PRK12481, 2-deoxy-D-gluconate 3-dehydrogenase;
Provisional.
Length = 251
Score = 52.6 bits (126), Expect = 3e-08
Identities = 59/209 (28%), Positives = 91/209 (43%), Gaps = 28/209 (13%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K +ITGCN GLG GM L G + A VE L H I D
Sbjct: 9 KVAIITGCNTGLGQGMAIGLAKAGADIVGVGVAEAPETQAQVEALG-----RKFHFITAD 63
Query: 62 VTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAP 120
+ QQ + +S V+ G +++L+NNAGI R LL+ ++N+
Sbjct: 64 LI----QQKDIDSIVSQAVEVMGHIDILINNAGI---IRRQDLLEFGNKDWDDVININQ- 115
Query: 121 LMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFH--PYRCSKAAL 178
KT+ L + ++ G I+N++S++ + QGG Y SK+A+
Sbjct: 116 ----KTVFFLSQAVAKQFVKQGNGGK---IINIASML-----SFQGGIRVPSYTASKSAV 163
Query: 179 NAATRSLSIDLKGDKIIATAMHPGWVKTD 207
TR+L+ +L I A+ PG++ TD
Sbjct: 164 MGLTRALATELSQYNINVNAIAPGYMATD 192
>gnl|CDD|235725 PRK06179, PRK06179, short chain dehydrogenase; Provisional.
Length = 270
Score = 52.2 bits (126), Expect = 4e-08
Identities = 66/231 (28%), Positives = 98/231 (42%), Gaps = 66/231 (28%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKA-----VELLALAQQHSNLH 56
K L+TG + G+G + L G +F T RN +A VELL
Sbjct: 5 KVALVTGASSGIGRATAEKLARAG----YRVFGTSRNPARAAPIPGVELL---------- 50
Query: 57 VIELDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKP------EQM 109
ELDVTD + Q + +V+ G ++VLVNNAG+ GL Q
Sbjct: 51 --ELDVTDDASVQAA----VDEVIARAGRIDVLVNNAGV-------GLAGAAEESSIAQA 97
Query: 110 TDHFLVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFH 169
F NV L +T+ +LP ++ GS R I+N+SS++ GF
Sbjct: 98 QALFDTNVFGILRMTRAVLPHMRAQ---------GSGR--IINISSVL---------GFL 137
Query: 170 P------YRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAP 214
P Y SK A+ + SL +++ I + + P + KT+ +NAP
Sbjct: 138 PAPYMALYAASKHAVEGYSESLDHEVRQFGIRVSLVEPAYTKTNF-DANAP 187
>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 = 52.1 bits (125), Expect = 5e-08
Identities = 52/212 (24%), Positives = 92/212 (43%), Gaps = 29/212 (13%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K L+TG G+GLG+ + L G N + F + +AV A+ + D
Sbjct: 3 KVALVTGSTSGIGLGIARALAAAGANIVLNGFGD-AAEIEAVRAGLAAKHGVKVLYHGAD 61
Query: 62 VTDFSKQQDVLFKDISDVVKDQ--GLNVLVNNAGI--AAKFTRLGLLKPEQMTDHFL-VN 116
++ + +D+ + Q G+++LVNNAGI A P + D + +N
Sbjct: 62 LSKPAA-----IEDMVAYAQRQFGGVDILVNNAGIQHVAPIEDF----PTEKWDAIIALN 112
Query: 117 VTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKA 176
++A T+ LP +KK G R I+N++S+ G + Y +K
Sbjct: 113 LSAVFHTTRLALPHMKKQ---------GWGR--IINIASVHGLV---ASANKSAYVAAKH 158
Query: 177 ALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
+ T+ ++++ G + A+ PGWV T +
Sbjct: 159 GVVGLTKVVALETAGTGVTCNAICPGWVLTPL 190
>gnl|CDD|181508 PRK08628, PRK08628, short chain dehydrogenase; Provisional.
Length = 258
Score = 51.9 bits (125), Expect = 6e-08
Identities = 58/226 (25%), Positives = 86/226 (38%), Gaps = 57/226 (25%)
Query: 2 KSILITGCNRGLGLGMIKVL-------VGLGNNQPAHIFATCRNKDKAVELLALAQQHSN 54
K +++TG G+G + L V G + P FA L
Sbjct: 8 KVVIVTGGASGIGAAISLRLAEEGAIPVIFGRSAPDDEFAE-----------ELRALQPR 56
Query: 55 LHVIELDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHF 113
+++D+TD ++ +D + V G ++ LVNNAG+ +GL E + F
Sbjct: 57 AEFVQVDLTDDAQCRDA----VEQTVAKFGRIDGLVNNAGVN---DGVGL---EAGREAF 106
Query: 114 LV----NVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFH 169
+ N+ ++ LP LK SR AIVN+SS QGG
Sbjct: 107 VASLERNLIHYYVMAHYCLPHLKA------------SRGAIVNISS---KTALTGQGGTS 151
Query: 170 PYRCSKAALNAATRSLSIDLKGDK------IIATAMHP---GWVKT 206
Y +K A A TR ++ L D I A M P W+ T
Sbjct: 152 GYAAAKGAQLALTREWAVALAKDGVRVNAVIPAEVMTPLYENWIAT 197
>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 = 51.2 bits (123), Expect = 9e-08
Identities = 60/253 (23%), Positives = 94/253 (37%), Gaps = 61/253 (24%)
Query: 2 KSILITGCNRGLGLGMIK-VLVGLGNNQPAHIFATCRNKDKAVELL-ALAQQHSNLHVIE 59
K +L+TG N GLGL + + +L N + CRN +A AL H + +
Sbjct: 2 KVVLVTGANSGLGLAICERLLAEDDENPELTLILACRNLQRAEAACRALLASHPD-ARVV 60
Query: 60 LDV--TDFSKQQDVL--FKDISDVVKDQGLNVLVNNAGIAA------------------- 96
D D S V K++ + L+ L NAGI
Sbjct: 61 FDYVLVDLSNMVSVFAAAKELKK--RYPRLDYLYLNAGIMPNPGIDWIGAIKEVLTNPLF 118
Query: 97 -------KFTRLGLLKPEQMTDH------FLVNVTAPLMLTKTMLPLLKKASEANSAAPL 143
K GLL F NV L + + PLL ++
Sbjct: 119 AVTNPTYKIQAEGLLSQGDKATEDGLGEVFQTNVFGHYYLIRELEPLLCRSD-------- 170
Query: 144 GSSRAAIVNVSSIMGSIE----DNTQG--GFHPYRCSKAALNAATRSLSIDLKGDK--II 195
G S+ I+ SS+ S + ++ Q G PY SK ++ SL+++ K +K +
Sbjct: 171 GGSQ--IIWTSSLNASPKYFSLEDIQHLKGPAPYSSSKYLVDLL--SLALNRKFNKLGVY 226
Query: 196 ATAMHPGWVKTDM 208
+ +HPG T++
Sbjct: 227 SYVVHPGICTTNL 239
>gnl|CDD|183714 PRK12742, PRK12742, oxidoreductase; Provisional.
Length = 237
Score = 50.9 bits (122), Expect = 1e-07
Identities = 60/217 (27%), Positives = 91/217 (41%), Gaps = 36/217 (16%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K +L+ G +RG+G +++ V G N F +KD A E LA + + ++ D
Sbjct: 7 KKVLVLGGSRGIGAAIVRRFVTDGANV---RFTYAGSKDAA-ERLA-QETGAT--AVQTD 59
Query: 62 VTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAP 120
D + DVV+ G L++LV NAGIA L L + + F +N+ AP
Sbjct: 60 SADRDA--------VIDVVRKSGALDILVVNAGIAVFGDALEL-DADDIDRLFKINIHAP 110
Query: 121 LMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQ--GGFHPYRCSKAAL 178
+ EA P G I+ I+GS+ + G Y SK+AL
Sbjct: 111 Y----------HASVEAARQMPEGGR---II----IIGSVNGDRMPVAGMAAYAASKSAL 153
Query: 179 NAATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPL 215
R L+ D I + PG + TD +N P+
Sbjct: 154 QGMARGLARDFGPRGITINVVQPGPIDTDANPANGPM 190
>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 = 50.6 bits (121), Expect = 1e-07
Identities = 58/207 (28%), Positives = 89/207 (42%), Gaps = 22/207 (10%)
Query: 5 LITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELDVTD 64
L+TG + G+G + + LV + R DK L A Q + D
Sbjct: 10 LVTGASVGIGAAVARALV----QHGMKVVGCARRVDKIEALAAECQSAGYPTLFPYQC-D 64
Query: 65 FSKQQDVL--FKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAPLM 122
S ++ +L F I + QG++V +NNAG+A L K E + F VNV A +
Sbjct: 65 LSNEEQILSMFSAIRT--QHQGVDVCINNAGLARPEPLLS-GKTEGWKEMFDVNVLALSI 121
Query: 123 LTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAAT 182
T+ + E N I+N++S+ G FH Y +K A+ A T
Sbjct: 122 CTREA---YQSMKERN------VDDGHIININSMSGHRVP-PVSVFHFYAATKHAVTALT 171
Query: 183 RSLSIDLKGDK--IIATAMHPGWVKTD 207
L +L+ K I AT++ PG V+T+
Sbjct: 172 EGLRQELREAKTHIRATSISPGLVETE 198
>gnl|CDD|135765 PRK06113, PRK06113, 7-alpha-hydroxysteroid dehydrogenase;
Validated.
Length = 255
Score = 50.6 bits (121), Expect = 2e-07
Identities = 47/209 (22%), Positives = 81/209 (38%), Gaps = 34/209 (16%)
Query: 5 LITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELL-ALAQQHSNLHVIELDVT 63
+ITG G+G + G A + + N D A ++ + Q D+T
Sbjct: 15 IITGAGAGIGKEIAITFATAG----ASVVVSDINADAANHVVDEIQQLGGQAFACRCDIT 70
Query: 64 DFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQM-TDHFL----VNVT 118
+ + +S + K +++LVNNAG G KP M F +NV
Sbjct: 71 SEQELSALADFALSKLGK---VDILVNNAG-------GGGPKPFDMPMADFRRAYELNVF 120
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAAL 178
+ L++ + P ++K I+ ++S+ +N Y SKAA
Sbjct: 121 SFFHLSQLVAPEMEKNGGG-----------VILTITSMAA---ENKNINMTSYASSKAAA 166
Query: 179 NAATRSLSIDLKGDKIIATAMHPGWVKTD 207
+ R+++ DL I + PG + TD
Sbjct: 167 SHLVRNMAFDLGEKNIRVNGIAPGAILTD 195
>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 = 50.2 bits (120), Expect = 2e-07
Identities = 57/212 (26%), Positives = 93/212 (43%), Gaps = 37/212 (17%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNK---DKAVELLALAQQHSNLHVI 58
K +++TG +G+G G+ + L G G A + R++ + E+LA HV
Sbjct: 5 KVVVVTGAAQGIGRGVAERLAGEG----ARVLLVDRSELVHEVLAEILAAGDA---AHVH 57
Query: 59 ELDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAG--IAAKFTRLGLLKPEQMTDHFLV 115
D+ ++ Q V + V+ G ++VL+NN G I AK + EQ+
Sbjct: 58 TADLETYAGAQGV----VRAAVERFGRVDVLINNVGGTIWAKP--YEHYEEEQIEAEIRR 111
Query: 116 NVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFH-PYRCS 174
++ L + +LP + L + IVNVSSI T+G + PY +
Sbjct: 112 SLFPTLWCCRAVLPHM-----------LERQQGVIVNVSSI------ATRGIYRIPYSAA 154
Query: 175 KAALNAATRSLSIDLKGDKIIATAMHPGWVKT 206
K +NA T SL+ + D I A+ PG +
Sbjct: 155 KGGVNALTASLAFEHARDGIRVNAVAPGGTEA 186
>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 = 50.2 bits (120), Expect = 2e-07
Identities = 39/161 (24%), Positives = 66/161 (40%), Gaps = 17/161 (10%)
Query: 59 ELDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVT 118
+ DV D ++ + V+ + + L+V+V NAG+ + + R L EQ +N+T
Sbjct: 71 KADVRDLAEVRAVVEDGVEQFGR---LDVVVANAGVLS-YGRSWELSEEQWDTVLDINLT 126
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAAL 178
K ++P + + S I+ SS+ G G H Y +K L
Sbjct: 127 GVWRTCKAVVPHMIERGNGGS----------IIITSSVAGLK--ALPGLAH-YAAAKHGL 173
Query: 179 NAATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPLEVGA 219
T++L+ +L I ++HP V T M A E
Sbjct: 174 VGLTKTLANELAEYGIRVNSIHPYSVDTPMIAPEAMREAFL 214
>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 = 50.1 bits (120), Expect = 2e-07
Identities = 56/212 (26%), Positives = 87/212 (41%), Gaps = 34/212 (16%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K L+TG N GLG G+ L G A I R E QQ L L
Sbjct: 6 KVALVTGANTGLGQGIAVGLAEAG----ADIVGAGR-----SEPSETQQQVEALGRRFLS 56
Query: 62 VT-DFSKQQDVLFKDISDVVKDQG--LNVLVNNAGIAAKFTRLGLLKPEQMTDHFL-VNV 117
+T D S + + K + D ++ +++LVNNAGI + E+ D + VN+
Sbjct: 57 LTADLSDIEAI--KALVDSAVEEFGHIDILVNNAGIIRRADAEEF--SEKDWDDVMNVNL 112
Query: 118 TAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFH--PYRCSK 175
+ LT+ A G I+N++S++ + QGG Y SK
Sbjct: 113 KSVFFLTQAA---------AKHFLKQG-RGGKIINIASML-----SFQGGIRVPSYTASK 157
Query: 176 AALNAATRSLSIDLKGDKIIATAMHPGWVKTD 207
A+ T+ L+ + I A+ PG++ T+
Sbjct: 158 HAVAGLTKLLANEWAAKGINVNAIAPGYMATN 189
>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 = 50.1 bits (120), Expect = 2e-07
Identities = 52/208 (25%), Positives = 82/208 (39%), Gaps = 22/208 (10%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K L+TG +G+G G+ + L G A + + Q +LD
Sbjct: 1 KVALVTGGAQGIGKGIAERLAKDGFAV---AVADLNEETAKETAKEINQAGGKAVAYKLD 57
Query: 62 VTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAP 120
V+D +D +F I + G +V+VNNAG+A T + + E++ + VNV
Sbjct: 58 VSD----KDQVFSAIDQAAEKFGGFDVMVNNAGVAP-ITPILEITEEELKKVYNVNVKGV 112
Query: 121 LMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNA 180
L + KK I+N +SI G + Y +K A+
Sbjct: 113 LFGIQAAARQFKKQG----------HGGKIINAASIAGHEGNPILSA---YSSTKFAVRG 159
Query: 181 ATRSLSIDLKGDKIIATAMHPGWVKTDM 208
T++ + +L I A PG VKT M
Sbjct: 160 LTQTAAQELAPKGITVNAYCPGIVKTPM 187
>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 = 50.0 bits (120), Expect = 2e-07
Identities = 49/216 (22%), Positives = 86/216 (39%), Gaps = 31/216 (14%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQH--SNLHVIE 59
K ILITG +G K L+ G A + N +L + + +E
Sbjct: 3 KIILITGAAGLIGKAFCKALLSAG----ARLILADINAPALEQLKEELTNLYKNRVIALE 58
Query: 60 LDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAK--FTRLGLLKPEQMTDHFLVN 116
LD+T SK+ + + I ++ G +++L+NNA + K +R EQ + VN
Sbjct: 59 LDIT--SKES--IKELIESYLEKFGRIDILINNAYPSPKVWGSRFEEFPYEQWNEVLNVN 114
Query: 117 VTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQ--GGFHP---- 170
+ + ++ + L KK + +I+N++SI G I + +
Sbjct: 115 LGGAFLCSQAFIKLFKK-----------QGKGSIINIASIYGVIAPDFRIYENTQMYSPV 163
Query: 171 -YRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVK 205
Y KA + T+ L+ I A+ PG +
Sbjct: 164 EYSVIKAGIIHLTKYLAKYYADTGIRVNAISPGGIL 199
>gnl|CDD|180399 PRK06101, PRK06101, short chain dehydrogenase; Provisional.
Length = 240
Score = 49.9 bits (119), Expect = 2e-07
Identities = 54/213 (25%), Positives = 78/213 (36%), Gaps = 32/213 (15%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIEL 60
M ++LITG G+G K L Q + A RN+ EL Q +N+ +
Sbjct: 1 MTAVLITGATSGIG----KQLALDYAKQGWQVIACGRNQSVLDEL---HTQSANIFTLAF 53
Query: 61 DVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAP 120
DVTD + L + + + NAG ++ G + M F VNV
Sbjct: 54 DVTDHPGTKAAL-----SQLPFIP-ELWIFNAG-DCEYMDDGKVDATLMARVFNVNVLGV 106
Query: 121 LMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQ-GGFHPYRCSKAALN 179
+ + P L R IV GSI Y SKAA+
Sbjct: 107 ANCIEGIQPHLSCG-----------HRVVIV------GSIASELALPRAEAYGASKAAVA 149
Query: 180 AATRSLSIDLKGDKIIATAMHPGWVKTDMGGSN 212
R+L +DL+ I + PG+V T + N
Sbjct: 150 YFARTLQLDLRPKGIEVVTVFPGFVATPLTDKN 182
>gnl|CDD|237100 PRK12429, PRK12429, 3-hydroxybutyrate dehydrogenase; Provisional.
Length = 258
Score = 49.9 bits (120), Expect = 3e-07
Identities = 53/216 (24%), Positives = 86/216 (39%), Gaps = 43/216 (19%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVEL-LALAQQHSNLHVIEL 60
K L+TG G+GL + L G A + N + A AL + + +
Sbjct: 5 KVALVTGAASGIGLEIALALAKEG----AKVVIADLNDEAAAAAAEALQKAGGKAIGVAM 60
Query: 61 DVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGI--AAKFTRLGLLKPEQMTDHFLVNV 117
DVTD I V+ G +++LVNNAGI A K ++M + +
Sbjct: 61 DVTDEEAINAG----IDYAVETFGGVDILVNNAGIQHVAPIEDFPTEKWKKMIA---IML 113
Query: 118 TAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAA 177
+ TK LP++K G R I+N++S+ G + G KAA
Sbjct: 114 DGAFLTTKAALPIMKAQ---------GGGR--IINMASVHGLV------GSA----GKAA 152
Query: 178 LNAA-------TRSLSIDLKGDKIIATAMHPGWVKT 206
+A T+ ++++ + A+ PG+V T
Sbjct: 153 YVSAKHGLIGLTKVVALEGATHGVTVNAICPGYVDT 188
>gnl|CDD|181491 PRK08589, PRK08589, short chain dehydrogenase; Validated.
Length = 272
Score = 49.8 bits (119), Expect = 3e-07
Identities = 54/208 (25%), Positives = 95/208 (45%), Gaps = 28/208 (13%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K +ITG + G+G L + A++ A + + + + +D
Sbjct: 7 KVAVITGASTGIGQASAIALA----QEGAYVLAVDIAEAVSETVDKIKSNGGKAKAYHVD 62
Query: 62 VTDFSKQQDVLFKDISDVVKDQ--GLNVLVNNAGIAAKFTRLGLLKPEQMTDHFL-VNVT 118
++D +Q V KD + +K+Q ++VL NNAG+ R+ P + D + V++
Sbjct: 63 ISD---EQQV--KDFASEIKEQFGRVDVLFNNAGVDNAAGRIHEY-PVDVFDKIMAVDMR 116
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAAL 178
++TK +LPL+ + GS I+N SS G D + G Y +K A+
Sbjct: 117 GTFLMTKMLLPLMMEQG--------GS----IINTSSFSGQAADLYRSG---YNAAKGAV 161
Query: 179 NAATRSLSIDLKGDKIIATAMHPGWVKT 206
T+S++I+ D I A A+ PG ++T
Sbjct: 162 INFTKSIAIEYGRDGIRANAIAPGTIET 189
>gnl|CDD|180439 PRK06171, PRK06171, sorbitol-6-phosphate 2-dehydrogenase;
Provisional.
Length = 266
Score = 50.0 bits (120), Expect = 3e-07
Identities = 52/214 (24%), Positives = 87/214 (40%), Gaps = 47/214 (21%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K I++TG + G+GL ++K L+ G A N D + QH N + D
Sbjct: 10 KIIIVTGGSSGIGLAIVKELLANG--------ANVVNAD----IHGGDGQHENYQFVPTD 57
Query: 62 VTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTD--------- 111
V+ + + ++++++ G ++ LVNNAGI RL L E+
Sbjct: 58 VSS----AEEVNHTVAEIIEKFGRIDGLVNNAGI--NIPRL--LVDEKDPAGKYELNEAA 109
Query: 112 ---HFLVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGF 168
F +N ++++ + + + IVN+SS G Q
Sbjct: 110 FDKMFNINQKGVFLMSQAVARQM-----------VKQHDGVIVNMSSEAGLEGSEGQS-- 156
Query: 169 HPYRCSKAALNAATRSLSIDLKGDKIIATAMHPG 202
Y +KAALN+ TRS + +L I + PG
Sbjct: 157 -CYAATKAALNSFTRSWAKELGKHNIRVVGVAPG 189
>gnl|CDD|183718 PRK12746, PRK12746, short chain dehydrogenase; Provisional.
Length = 254
Score = 49.6 bits (118), Expect = 3e-07
Identities = 61/218 (27%), Positives = 90/218 (41%), Gaps = 38/218 (17%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA-LAQQHSNLHVIEL 60
K L+TG +RG+G + L G H RNK A E + + +IE
Sbjct: 7 KVALVTGASRGIGRAIAMRLANDGALVAIHY---GRNKQAADETIREIESNGGKAFLIEA 63
Query: 61 D---VTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFL-VN 116
D + K + L ++ V +++LVNNAGI + T E++ D + VN
Sbjct: 64 DLNSIDGVKKLVEQLKNELQIRVGTSEIDILVNNAGIGTQGTIEN--TTEEIFDEIMAVN 121
Query: 117 VTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSS------IMGSIEDNTQGGFHP 170
+ AP L + LPLL+ + ++N+SS GSI
Sbjct: 122 IKAPFFLIQQTLPLLR-------------AEGRVINISSAEVRLGFTGSI---------A 159
Query: 171 YRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
Y SK ALN T L+ L I + PG+ KTD+
Sbjct: 160 YGLSKGALNTMTLPLAKHLGERGITVNTIMPGYTKTDI 197
>gnl|CDD|180773 PRK06949, PRK06949, short chain dehydrogenase; Provisional.
Length = 258
Score = 49.8 bits (119), Expect = 3e-07
Identities = 54/213 (25%), Positives = 94/213 (44%), Gaps = 25/213 (11%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA-LAQQHSNLHVIEL 60
K L+TG + GLG +VL G A + R ++ EL A + + HV+ L
Sbjct: 10 KVALVTGASSGLGARFAQVLAQAG----AKVVLASRRVERLKELRAEIEAEGGAAHVVSL 65
Query: 61 DVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTA 119
DVTD + ++ + G +++LVNN+G++ +L + P F N
Sbjct: 66 DVTD----YQSIKAAVAHAETEAGTIDILVNNSGVSTT-QKLVDVTPADFDFVFDTNTRG 120
Query: 120 PLMLT----KTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSK 175
+ K M+ A + R I+N++S+ G + Q G Y SK
Sbjct: 121 AFFVAQEVAKRMI-----ARAKGAGNTKPGGR--IINIASVAG-LRVLPQIGL--YCMSK 170
Query: 176 AALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
AA+ TR+++++ I A+ PG++ T++
Sbjct: 171 AAVVHMTRAMALEWGRHGINVNAICPGYIDTEI 203
>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 = 49.4 bits (118), Expect = 4e-07
Identities = 50/218 (22%), Positives = 76/218 (34%), Gaps = 44/218 (20%)
Query: 2 KSILITGCNRGLGLGMIKVL------VGLGNNQPAHIFATCRNKDKAVELLALAQQHSNL 55
K+I ITG G+G + VGL + ++D L A N+
Sbjct: 1 KAIFITGAASGIGRETALLFARNGWFVGLYD----------IDEDGLAALAA-ELGAENV 49
Query: 56 HVIELDVTDFSKQQDVLFKDISDVVKDQG--LNVLVNNAGIAAKFTRLGLLKPEQMTDHF 113
LDVTD + ++D G L+ L NNAG+ R G + + H
Sbjct: 50 VAGALDVTD----RAAWAAALADFAAATGGRLDALFNNAGVG----RGGPFEDVPLAAHD 101
Query: 114 L---VNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHP 170
+NV L LP LK A ++N +S Q
Sbjct: 102 RMVDINVKGVLNGAYAALPYLKATPGAR-----------VINTASSSAIY---GQPDLAV 147
Query: 171 YRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
Y +K A+ T +L ++ I + P +V T +
Sbjct: 148 YSATKFAVRGLTEALDVEWARHGIRVADVWPWFVDTPI 185
>gnl|CDD|168204 PRK05717, PRK05717, oxidoreductase; Validated.
Length = 255
Score = 49.5 bits (118), Expect = 4e-07
Identities = 59/206 (28%), Positives = 92/206 (44%), Gaps = 32/206 (15%)
Query: 5 LITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELL-ALAQQHSNLHVIELDVT 63
L+TG RG+GLG+ L+ G + ++++ ++ AL N I +DV
Sbjct: 14 LVTGAARGIGLGIAAWLIAEG----WQVVLADLDRERGSKVAKALG---ENAWFIAMDVA 66
Query: 64 DFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKF-TRLGLLKPEQMTDHFLVNVTAPL 121
D + + +++V+ G L+ LV NA IA T L L VN+T P+
Sbjct: 67 D----EAQVAAGVAEVLGQFGRLDALVCNAAIADPHNTTLESLSLAHWNRVLAVNLTGPM 122
Query: 122 MLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGS-IEDNTQGGFHPYRCSKAALNA 180
+L K P L+ + AIVN++S E +T+ Y SK L A
Sbjct: 123 LLAKHCAPYLR------------AHNGAIVNLASTRARQSEPDTEA----YAASKGGLLA 166
Query: 181 ATRSLSIDLKGDKIIATAMHPGWVKT 206
T +L+I L G +I A+ PGW+
Sbjct: 167 LTHALAISL-GPEIRVNAVSPGWIDA 191
>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 = 49.1 bits (117), Expect = 4e-07
Identities = 50/217 (23%), Positives = 85/217 (39%), Gaps = 25/217 (11%)
Query: 4 ILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA--LAQQHSNLHVIELD 61
IL+TG + G+G G A + RN++K ++ + LD
Sbjct: 7 ILVTGASDGIGREAALTYARYG----ATVILLGRNEEKLRQVADHINEEGGRQPQWFILD 62
Query: 62 VTDFSKQQDVLFKDISDVVKDQ--GLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTA 119
+ + + + ++ + L+ +++NAG+ L P+ D VNV A
Sbjct: 63 LLTCTSEN---CQQLAQRIAVNYPRLDGVLHNAGLLGDVCPLSEQNPQVWQDVXQVNVNA 119
Query: 120 PLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALN 179
MLT+ +LPLL K S ++V SS +G G Y SK A
Sbjct: 120 TFMLTQALLPLLLK-----------SDAGSLVFTSSSVGRQGRANWGA---YAVSKFATE 165
Query: 180 AATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPLE 216
+ L+ + + + ++PG +T M S P E
Sbjct: 166 GLXQVLADEYQQRNLRVNCINPGGTRTAMRASAFPTE 202
>gnl|CDD|235737 PRK06197, PRK06197, short chain dehydrogenase; Provisional.
Length = 306
Score = 49.6 bits (119), Expect = 4e-07
Identities = 61/227 (26%), Positives = 86/227 (37%), Gaps = 52/227 (22%)
Query: 5 LITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDK---AVELLALAQQHSNLHVIELD 61
++TG N GLG L G AH+ RN DK A + A +++ + ELD
Sbjct: 20 VVTGANTGLGYETAAALAAKG----AHVVLAVRNLDKGKAAAARITAATPGADVTLQELD 75
Query: 62 VTDFS---KQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTD-----HF 113
+T + D L +++L+NNAG+ + P+Q T F
Sbjct: 76 LTSLASVRAAADALRAAYPR------IDLLINNAGV--------MYTPKQTTADGFELQF 121
Query: 114 LVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSS----IMGSIE-DNTQ--- 165
N LT +L L P+ SR +V VSS I +I D+ Q
Sbjct: 122 GTNHLGHFALTGLLLDRLL---------PVPGSR--VVTVSSGGHRIRAAIHFDDLQWER 170
Query: 166 --GGFHPYRCSKAALNAATRSLS--IDLKGDKIIATAMHPGWVKTDM 208
Y SK A T L + G IA A HPG T++
Sbjct: 171 RYNRVAAYGQSKLANLLFTYELQRRLAAAGATTIAVAAHPGVSNTEL 217
>gnl|CDD|180343 PRK05993, PRK05993, short chain dehydrogenase; Provisional.
Length = 277
Score = 49.3 bits (118), Expect = 4e-07
Identities = 56/212 (26%), Positives = 93/212 (43%), Gaps = 38/212 (17%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIEL 60
+SILITGC+ G+G + L + +FATCR K ++ AL + L +L
Sbjct: 4 KRSILITGCSSGIGAYCARAL----QSDGWRVFATCR---KEEDVAALEAE--GLEAFQL 54
Query: 61 DVTDFSKQQDVLFKDISDVVK------DQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFL 114
D + + I+ +V L+ L NN G + + L E + F
Sbjct: 55 DYAE--------PESIAALVAQVLELSGGRLDALFNN-GAYGQPGAVEDLPTEALRAQFE 105
Query: 115 VNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCS 174
N LT+ ++P+++K G R IV SSI+G + +G Y S
Sbjct: 106 ANFFGWHDLTRRVIPVMRKQ---------GQGR--IVQCSSILGLVPMKYRGA---YNAS 151
Query: 175 KAALNAATRSLSIDLKGDKIIATAMHPGWVKT 206
K A+ + +L ++L+G I + + PG ++T
Sbjct: 152 KFAIEGLSLTLRMELQGSGIHVSLIEPGPIET 183
>gnl|CDD|235693 PRK06077, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 252
Score = 49.3 bits (118), Expect = 4e-07
Identities = 50/212 (23%), Positives = 88/212 (41%), Gaps = 25/212 (11%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQH-SNLHVIE 59
K +++TG RG+G + V L + + ++ E L + +++ +
Sbjct: 6 DKVVVVTGSGRGIGR---AIAVRLAKEGSLVVVNAKKRAEEMNETLKMVKENGGEGIGVL 62
Query: 60 LDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTA 119
DV+ + + I ++LVNNAG LGL P D L++
Sbjct: 63 ADVSTREGCETLAKATIDRY---GVADILVNNAG-------LGLFSPFLNVDDKLIDK-- 110
Query: 120 PLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALN 179
++ ++ + E G + IVN++S+ G G Y KAA+
Sbjct: 111 --HISTDFKSVIYCSQELAKEMREGGA---IVNIASVAGIR---PAYGLSIYGAMKAAVI 162
Query: 180 AATRSLSIDLKGDKIIATAMHPGWVKTDMGGS 211
T+ L+++L KI A+ PG+VKT +G S
Sbjct: 163 NLTKYLALELA-PKIRVNAIAPGFVKTKLGES 193
>gnl|CDD|235962 PRK07201, PRK07201, short chain dehydrogenase; Provisional.
Length = 657
Score = 49.9 bits (120), Expect = 5e-07
Identities = 60/220 (27%), Positives = 88/220 (40%), Gaps = 45/220 (20%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHS-NLHVIEL 60
K +LITG + G+G + G A +F RN + EL+A + H
Sbjct: 372 KVVLITGASSGIGRATAIKVAEAG----ATVFLVARNGEALDELVAEIRAKGGTAHAYTC 427
Query: 61 DVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAG------IAAKFTRLGLLKPEQMTDHF 113
D+TD S D KDI + + G ++ LVNNAG + R H
Sbjct: 428 DLTD-SAAVDHTVKDI---LAEHGHVDYLVNNAGRSIRRSVENSTDRF----------HD 473
Query: 114 L-----VNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGF 168
VN + L +LP +++ +VNVSSI G + + F
Sbjct: 474 YERTMAVNYFGAVRLILGLLPHMRE-----------RRFGHVVNVSSI-GVQTNAPR--F 519
Query: 169 HPYRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
Y SKAAL+A + + + D I T +H V+T M
Sbjct: 520 SAYVASKAALDAFSDVAASETLSDGITFTTIHMPLVRTPM 559
>gnl|CDD|235712 PRK06138, PRK06138, short chain dehydrogenase; Provisional.
Length = 252
Score = 49.0 bits (117), Expect = 5e-07
Identities = 47/213 (22%), Positives = 80/213 (37%), Gaps = 34/213 (15%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
+ ++TG G+G K+ G A + R+ + A + A + D
Sbjct: 6 RVAIVTGAGSGIGRATAKLFAREG----ARVVVADRDAEAAERVAAAIAAGGRAFARQGD 61
Query: 62 VTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLL---KPEQMTDHFLVNV 117
V ++ + L + V G L+VLVNNAG F G + VNV
Sbjct: 62 VGS-AEAVEAL---VDFVAARWGRLDVLVNNAG----FGCGGTVVTTDEADWDAVMRVNV 113
Query: 118 TAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSS--IMGSIEDNTQGGFHPYRCSK 175
+ K +P++++ +IVN +S + Y SK
Sbjct: 114 GGVFLWAKYAIPIMQRQGGG-----------SIVNTASQLALAGGRGRAA-----YVASK 157
Query: 176 AALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
A+ + TR++++D D I A+ PG + T
Sbjct: 158 GAIASLTRAMALDHATDGIRVNAVAPGTIDTPY 190
>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 = 48.8 bits (117), Expect = 6e-07
Identities = 58/209 (27%), Positives = 90/209 (43%), Gaps = 31/209 (14%)
Query: 5 LITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA-LAQQHSNLHVIELDVT 63
L+TG +G+G + + L G A + A RN ++ +EL+A L + +LDV
Sbjct: 2 LVTGAAQGIGYAVARALAEAG----ARVAAVDRNFEQLLELVADLRRYGYPFATYKLDVA 57
Query: 64 DFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGL---LKPEQMTDHFLVNVTA 119
D S D + + + ++ G ++VLVN AGI RLG L E F VN
Sbjct: 58 D-SAAVD---EVVQRLEREYGPIDVLVNVAGI----LRLGAIDSLSDEDWQATFAVNTFG 109
Query: 120 PLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALN 179
+++ + P +K+ AIV V S ++ Y SKAAL
Sbjct: 110 VFNVSQAVSPRMKRRR-----------SGAIVTVGSNAANVPRMGMAA---YAASKAALT 155
Query: 180 AATRSLSIDLKGDKIIATAMHPGWVKTDM 208
T+ L ++L I + PG T+M
Sbjct: 156 MLTKCLGLELAPYGIRCNVVSPGSTDTEM 184
>gnl|CDD|183719 PRK12747, PRK12747, short chain dehydrogenase; Provisional.
Length = 252
Score = 48.5 bits (115), Expect = 7e-07
Identities = 59/249 (23%), Positives = 92/249 (36%), Gaps = 44/249 (17%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAV--------ELLALAQQHS 53
K L+TG +RG+G + K L G H ++ V ++
Sbjct: 5 KVALVTGASRGIGRAIAKRLANDGALVAIHYGNRKEEAEETVYEIQSNGGSAFSIGANLE 64
Query: 54 NLHVIELDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIA-AKFTRLGLLKPEQMTDH 112
+LH +E L ++ + ++L+NNAGI F E+ T+
Sbjct: 65 SLHGVE-------ALYSSLDNELQNRTGSTKFDILINNAGIGPGAFI-------EETTEQ 110
Query: 113 FL-----VNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGG 167
F VN AP + + L L+ S I+N+SS I +
Sbjct: 111 FFDRMVSVNAKAPFFIIQQALSRLRDNSR-------------IINISSAATRI---SLPD 154
Query: 168 FHPYRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPLEVGAATAGIIQF 227
F Y +K A+N T +L+ L I A+ PG++KTDM + A I
Sbjct: 155 FIAYSMTKGAINTMTFTLAKQLGARGITVNAILPGFIKTDMNAELLSDPMMKQYATTISA 214
Query: 228 IQSLGEAHN 236
LGE +
Sbjct: 215 FNRLGEVED 223
>gnl|CDD|236116 PRK07856, PRK07856, short chain dehydrogenase; Provisional.
Length = 252
Score = 48.4 bits (116), Expect = 7e-07
Identities = 54/207 (26%), Positives = 84/207 (40%), Gaps = 31/207 (14%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
+ +L+TG RG+G G+ + + G A + R + V+ D
Sbjct: 7 RVVLVTGGTRGIGAGIARAFLAAG----ATVVVCGRRAPETVDGRPA-------EFHAAD 55
Query: 62 VTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAP 120
V D Q L I V+ G L+VLVNNAG + + P +N+ AP
Sbjct: 56 VRD-PDQVAALVDAI---VERHGRLDVLVNNAG-GSPYALAAEASPRFHEKIVELNLLAP 110
Query: 121 LMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNA 180
L++ A AN+ +IVN+ S+ G G Y +KA L
Sbjct: 111 LLV----------AQAANAVMQQQPGGGSIVNIGSVSGR---RPSPGTAAYGAAKAGLLN 157
Query: 181 ATRSLSIDLKGDKIIATAMHPGWVKTD 207
TRSL+++ K+ A+ G V+T+
Sbjct: 158 LTRSLAVEW-APKVRVNAVVVGLVRTE 183
>gnl|CDD|236074 PRK07666, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 239
Score = 48.5 bits (116), Expect = 7e-07
Identities = 54/218 (24%), Positives = 88/218 (40%), Gaps = 43/218 (19%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K+ LITG RG+G + L G V + LA+ NL + +
Sbjct: 8 KNALITGAGRGIGRAVAIALAKEG-----------------VNVGLLARTEENLKAVAEE 50
Query: 62 VTDFSKQQDVLFKDISDV---------VKDQ--GLNVLVNNAGIAAKFTRLGLLKPEQMT 110
V + + + D+SD +K++ +++L+NNAGI+ KF + L P +
Sbjct: 51 VEAYGVKVVIATADVSDYEEVTAAIEQLKNELGSIDILINNAGIS-KFGKFLELDPAEWE 109
Query: 111 DHFLVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHP 170
VN+ T+ +LP + + + I+N+SS G
Sbjct: 110 KIIQVNLMGVYYATRAVLPSMIERQSGD-----------IINISSTAG---QKGAAVTSA 155
Query: 171 YRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
Y SK + T SL +++ I TA+ P V TDM
Sbjct: 156 YSASKFGVLGLTESLMQEVRKHNIRVTALTPSTVATDM 193
>gnl|CDD|235853 PRK06701, PRK06701, short chain dehydrogenase; Provisional.
Length = 290
Score = 48.5 bits (116), Expect = 8e-07
Identities = 40/123 (32%), Positives = 55/123 (44%), Gaps = 16/123 (13%)
Query: 84 GLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAPLMLTKTMLPLLKKASEANSAAPL 143
L++LVNNA L + EQ+ F N+ + +TK LP LK+ S
Sbjct: 124 RLDILVNNAAFQYPQQSLEDITAEQLDKTFKTNIYSYFHMTKAALPHLKQGS-------- 175
Query: 144 GSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAATRSLSIDLKGDKIIATAMHPGW 203
AI+N SI G E N Y +K A++A TRSL+ L I A+ PG
Sbjct: 176 -----AIINTGSITG-YEGNET--LIDYSATKGAIHAFTRSLAQSLVQKGIRVNAVAPGP 227
Query: 204 VKT 206
+ T
Sbjct: 228 IWT 230
>gnl|CDD|187668 cd09808, DHRS-12_like_SDR_c-like, human dehydrogenase/reductase SDR
family member (DHRS)-12/FLJ13639-like, classical
(c)-like SDRs. Classical SDR-like subgroup containing
human DHRS-12/FLJ13639, the 36K protein of zebrafish CNS
myelin, and related proteins. DHRS-12/FLJ13639 is
expressed in neurons and oligodendrocytes in the human
cerebral cortex. Proteins in this subgroup 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. 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 = 255
Score = 48.4 bits (115), Expect = 8e-07
Identities = 57/216 (26%), Positives = 88/216 (40%), Gaps = 32/216 (14%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
+S LITG N G+G + G + CRN+ +A E + S I L
Sbjct: 2 RSFLITGANSGIGKAAALAIAKRGGT----VHMVCRNQTRAEEARKEIETESGNQNIFLH 57
Query: 62 VTDFSKQQDVLFKDISDVVKD-----QGLNVLVNNAGIAA---KFTRLGLLKPEQMTDHF 113
+ D S K + + V++ + L+VL+NNAG + T GL K +F
Sbjct: 58 IVDMSDP-----KQVWEFVEEFKEEGKKLHVLINNAGCMVNKRELTEDGLEK------NF 106
Query: 114 LVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIV---NVSSIMGSIEDNTQGGFHP 170
N +LT ++P+L+K E + SS +V N +++ E G
Sbjct: 107 ATNTLGTYILTTHLIPVLEK--EEDPRVITVSSGGMLVQKLNTNNL--QSERTAFDGTMV 162
Query: 171 YRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKT 206
Y +K T + K +I + MHPGW T
Sbjct: 163 YAQNKRQQVIMTEQWA--KKHPEIHFSVMHPGWADT 196
>gnl|CDD|166421 PLN02780, PLN02780, ketoreductase/ oxidoreductase.
Length = 320
Score = 48.3 bits (115), Expect = 1e-06
Identities = 52/207 (25%), Positives = 93/207 (44%), Gaps = 21/207 (10%)
Query: 5 LITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELL-ALAQQHSNLHVIELDVT 63
L+TG G+G G L G N + RN DK ++ ++ ++S + + V
Sbjct: 57 LVTGPTDGIGKGFAFQLARKGLN----LVLVARNPDKLKDVSDSIQSKYSKTQIKTV-VV 111
Query: 64 DFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFL-VNVTAPLM 122
DFS D K I + ++ + VL+NN G++ + R E++ + + VNV
Sbjct: 112 DFSGDIDEGVKRIKETIEGLDVGVLINNVGVSYPYARFFHEVDEELLKNLIKVNVEGTTK 171
Query: 123 LTKTMLP-LLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAA 181
+T+ +LP +LK+ + AI+N+ S +I + + Y +KA ++
Sbjct: 172 VTQAVLPGMLKR------------KKGAIINIGS-GAAIVIPSDPLYAVYAATKAYIDQF 218
Query: 182 TRSLSIDLKGDKIIATAMHPGWVKTDM 208
+R L ++ K I P +V T M
Sbjct: 219 SRCLYVEYKKSGIDVQCQVPLYVATKM 245
>gnl|CDD|235545 PRK05650, PRK05650, short chain dehydrogenase; Provisional.
Length = 270
Score = 48.1 bits (115), Expect = 1e-06
Identities = 42/159 (26%), Positives = 69/159 (43%), Gaps = 24/159 (15%)
Query: 56 HVIELDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAA--KFTRLGLLKPEQMTDHF 113
DV D+S Q L + K G++V+VNNAG+A+ F L L +
Sbjct: 52 FYQRCDVRDYS-QLTALAQAC--EEKWGGIDVIVNNAGVASGGFFEELSLEDWDWQIA-- 106
Query: 114 LVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQG-GFHPYR 172
+N+ + K LPL K+ IVN++S+ G QG Y
Sbjct: 107 -INLMGVVKGCKAFLPLFKR-----------QKSGRIVNIASMAGL----MQGPAMSSYN 150
Query: 173 CSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDMGGS 211
+KA + A + +L ++L D+I + P + +T++ S
Sbjct: 151 VAKAGVVALSETLLVELADDEIGVHVVCPSFFQTNLLDS 189
>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 = 47.9 bits (114), Expect = 1e-06
Identities = 55/216 (25%), Positives = 87/216 (40%), Gaps = 37/216 (17%)
Query: 5 LITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDK-AVELLALAQQHSNLHVIELDVT 63
L+TG G+GL + + L G +F R ++ A + L + DV
Sbjct: 7 LVTGATSGIGLAIARRLGKEG----LRVFVCARGEEGLATTVKELREAGVEADGRTCDVR 62
Query: 64 DFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFL-----VNV 117
+ + L ++ V G ++VLVNNAG R G ++ D N+
Sbjct: 63 S-VPEIEAL---VAAAVARYGPIDVLVNNAG------RSGGGATAELADELWLDVVETNL 112
Query: 118 TAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFH--PYRCSK 175
T +TK +L + L I+N++S G QG H PY SK
Sbjct: 113 TGVFRVTKEVL---------KAGGMLERGTGRIINIASTGGK-----QGVVHAAPYSASK 158
Query: 176 AALNAATRSLSIDLKGDKIIATAMHPGWVKTDMGGS 211
+ T++L ++L I A+ PG+V+T M S
Sbjct: 159 HGVVGFTKALGLELARTGITVNAVCPGFVETPMAAS 194
>gnl|CDD|183832 PRK12935, PRK12935, acetoacetyl-CoA reductase; Provisional.
Length = 247
Score = 47.7 bits (113), Expect = 1e-06
Identities = 53/213 (24%), Positives = 101/213 (47%), Gaps = 32/213 (15%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA--LAQQHSNLHVIE 59
K ++TG +G+G + L G A + + +A E L L ++ +++ ++
Sbjct: 7 KVAIVTGGAKGIGKAITVALAQEG----AKVVINYNSSKEAAENLVNELGKEGHDVYAVQ 62
Query: 60 LDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAA--KFTRLGLLKPEQMTDHFLVNV 117
DV+ ++ + ++ K +++LVNNAGI F +L E++ D VN+
Sbjct: 63 ADVSKVEDANRLVEEAVNHFGK---VDILVNNAGITRDRTFKKLNREDWERVID---VNL 116
Query: 118 TAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHP--YRCSK 175
++ T +LP + +A E I+++SSI+G GGF Y +K
Sbjct: 117 SSVFNTTSAVLPYITEAEEGR-----------IISISSIIGQ-----AGGFGQTNYSAAK 160
Query: 176 AALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
A + T+SL+++L + A+ PG++ T+M
Sbjct: 161 AGMLGFTKSLALELAKTNVTVNAICPGFIDTEM 193
>gnl|CDD|235816 PRK06500, PRK06500, short chain dehydrogenase; Provisional.
Length = 249
Score = 47.6 bits (114), Expect = 1e-06
Identities = 68/242 (28%), Positives = 99/242 (40%), Gaps = 54/242 (22%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K+ LITG G+GL + + G A + T R+ A A+ + VI D
Sbjct: 7 KTALITGGTSGIGLETARQFLAEG----ARVAITGRDPASLEA--ARAELGESALVIRAD 60
Query: 62 VTDFSKQQDVLFKDISDVVKDQG--LNVLVNNAGIAAKFTRLGLLKP-----EQMTDH-F 113
D + Q K ++ + + L+ + NAG+A P E M D F
Sbjct: 61 AGDVAAQ-----KALAQALAEAFGRLDAVFINAGVA-------KFAPLEDWDEAMFDRSF 108
Query: 114 LVNVTAPLMLTKTMLPLLKKASEANSAAPL--GSSRAAI-VNVSSIMGSIEDNTQGGFHP 170
NV P L + +LPLL AN A+ + GS A I + SS+
Sbjct: 109 NTNVKGPYFLIQALLPLL-----ANPASIVLNGSINAHIGMPNSSV-------------- 149
Query: 171 YRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTD----MGGSNAPLEVGAATAGIIQ 226
Y SKAAL + ++LS +L I A+ PG V+T +G A L+ A A I
Sbjct: 150 YAASKAALLSLAKTLSGELLPRGIRVNAVSPGPVQTPLYGKLGLPEATLD--AVAAQIQA 207
Query: 227 FI 228
+
Sbjct: 208 LV 209
>gnl|CDD|236190 PRK08220, PRK08220, 2,3-dihydroxybenzoate-2,3-dehydrogenase;
Validated.
Length = 252
Score = 47.2 bits (113), Expect = 2e-06
Identities = 52/215 (24%), Positives = 79/215 (36%), Gaps = 46/215 (21%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K++ +TG +G+G + V G A + + L Q+ LD
Sbjct: 9 KTVWVTGAAQGIGYAVALAFVEAG----AKVIGFDQA--------FLTQEDYPFATFVLD 56
Query: 62 VTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGL---LKPEQMTDHFLVNV 117
V+D + V ++ + G L+VLVN AGI R+G L E F VN
Sbjct: 57 VSDAAAVAQV----CQRLLAETGPLDVLVNAAGI----LRMGATDSLSDEDWQQTFAVNA 108
Query: 118 TAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQG----GFHPYRC 173
L + ++P + AIV V S N G Y
Sbjct: 109 GGAFNLFRAVMPQFR-----------RQRSGAIVTVGS-------NAAHVPRIGMAAYGA 150
Query: 174 SKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
SKAAL + + + ++L + + PG TDM
Sbjct: 151 SKAALTSLAKCVGLELAPYGVRCNVVSPGSTDTDM 185
>gnl|CDD|235924 PRK07063, PRK07063, short chain dehydrogenase; Provisional.
Length = 260
Score = 47.4 bits (113), Expect = 2e-06
Identities = 49/213 (23%), Positives = 82/213 (38%), Gaps = 35/213 (16%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRN---KDKAVELLALAQQHSNLHVI 58
K L+TG +G+G + + G A + + ++A +A + + +
Sbjct: 8 KVALVTGAAQGIGAAIARAFAREG----AAVALADLDAALAERAAAAIARDVAGARVLAV 63
Query: 59 ELDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDH-----F 113
DVTD + + L+VLVNNAGI P MTD F
Sbjct: 64 PADVTDAASVAAAVAAAEEAF---GPLDVLVNNAGINV------FADPLAMTDEDWRRCF 114
Query: 114 LVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRC 173
V++ + +LP + + R +IVN++S G PY
Sbjct: 115 AVDLDGAWNGCRAVLPGM-----------VERGRGSIVNIASTHAF---KIIPGCFPYPV 160
Query: 174 SKAALNAATRSLSIDLKGDKIIATAMHPGWVKT 206
+K L TR+L I+ + A+ PG+++T
Sbjct: 161 AKHGLLGLTRALGIEYAARNVRVNAIAPGYIET 193
>gnl|CDD|237189 PRK12748, PRK12748, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 256
Score = 47.4 bits (113), Expect = 2e-06
Identities = 55/222 (24%), Positives = 93/222 (41%), Gaps = 40/222 (18%)
Query: 1 MKSILITGCNR--GLGLGMIKVLVGLGNNQPAHIFAT-----------CRNKDKAVELLA 47
K L+TG +R G+G + + L G IF T + + V L
Sbjct: 5 KKIALVTGASRLNGIGAAVCRRLAAKG----IDIFFTYWSPYDKTMPWGMHDKEPVLLKE 60
Query: 48 -LAQQHSNLHVIELDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKP 106
+ +E+D++ + +F +S+ + D ++L+NNA + TRL L
Sbjct: 61 EIESYGVRCEHMEIDLSQ-PYAPNRVFYAVSERLGD--PSILINNAAYSTH-TRLEELTA 116
Query: 107 EQMTDHFLVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSS--IMGSIEDNT 164
EQ+ H+ VNV A ++L+ A R I+N++S +G + D
Sbjct: 117 EQLDKHYAVNVRATMLLSSAF---------AKQYDGKAGGR--IINLTSGQSLGPMPDEL 165
Query: 165 QGGFHPYRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKT 206
Y +K A+ A T+SL+ +L I A++PG T
Sbjct: 166 -----AYAATKGAIEAFTKSLAPELAEKGITVNAVNPGPTDT 202
>gnl|CDD|236241 PRK08324, PRK08324, short chain dehydrogenase; Validated.
Length = 681
Score = 47.9 bits (115), Expect = 2e-06
Identities = 50/200 (25%), Positives = 81/200 (40%), Gaps = 21/200 (10%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K L+TG G+G K L G A + +++ A A + D
Sbjct: 423 KVALVTGAAGGIGKATAKRLAAEG----ACVVLADLDEEAAEAAAAELGGPDRALGVACD 478
Query: 62 VTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAPL 121
VTD + Q F++ + G++++V+NAGIA + E F VN T
Sbjct: 479 VTDEAAVQAA-FEEA--ALAFGGVDIVVSNAGIAIS-GPIEETSDEDWRRSFDVNATGHF 534
Query: 122 MLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAA 181
++ + + ++K A LG S IV ++S N F Y +KAA
Sbjct: 535 LVAREAVRIMK-------AQGLGGS---IVFIASKNAV---NPGPNFGAYGAAKAAELHL 581
Query: 182 TRSLSIDLKGDKIIATAMHP 201
R L+++L D I ++P
Sbjct: 582 VRQLALELGPDGIRVNGVNP 601
>gnl|CDD|235608 PRK05786, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 238
Score = 47.1 bits (112), Expect = 2e-06
Identities = 46/208 (22%), Positives = 78/208 (37%), Gaps = 29/208 (13%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K + I G + GLG + + + A + RN++K + ++ N+H +
Sbjct: 6 KKVAIIGVSEGLGYAVAYFAL----KEGAQVCINSRNENKLKRMKKTLSKYGNIHYV--- 58
Query: 62 VTDFSKQQDVLFKDISDVVKD--QGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTA 119
V D S + +++ + ++ LV G + T E+M + ++
Sbjct: 59 VGDVSSTESA--RNVIEKAAKVLNAIDGLVVTVGGYVEDTVEEFSGLEEMLTN---HIKI 113
Query: 120 PLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALN 179
PL L LK+ GSS IV VSS+ G Y +KA L
Sbjct: 114 PLYAVNASLRFLKE----------GSS---IVLVSSMSGI--YKASPDQLSYAVAKAGLA 158
Query: 180 AATRSLSIDLKGDKIIATAMHPGWVKTD 207
A L+ +L G I + P + D
Sbjct: 159 KAVEILASELLGRGIRVNGIAPTTISGD 186
>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 = 47.0 bits (112), Expect = 2e-06
Identities = 48/208 (23%), Positives = 88/208 (42%), Gaps = 23/208 (11%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K L+TG + G+G + L G N + + +D A E++ ++ + +
Sbjct: 4 KVALVTGASSGIGKAIAIRLATAGANVVVNYRS---KEDAAEEVV---EEIKAVGGKAIA 57
Query: 62 V-TDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTA 119
V D SK++DV+ +K+ G L++LVNNAG+ + + E VN+T
Sbjct: 58 VQADVSKEEDVV-ALFQSAIKEFGTLDILVNNAGLQGDAS-SHEMTLEDWNKVIDVNLTG 115
Query: 120 PLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALN 179
+ + + +K+ + I+N+SS+ I G Y SK +
Sbjct: 116 QFLCAREAIKRFRKSK----------IKGKIINMSSVHEKI---PWPGHVNYAASKGGVK 162
Query: 180 AATRSLSIDLKGDKIIATAMHPGWVKTD 207
T++L+ + I A+ PG + T
Sbjct: 163 MMTKTLAQEYAPKGIRVNAIAPGAINTP 190
>gnl|CDD|182531 PRK10538, PRK10538, malonic semialdehyde reductase; Provisional.
Length = 248
Score = 46.3 bits (110), Expect = 4e-06
Identities = 53/210 (25%), Positives = 94/210 (44%), Gaps = 41/210 (19%)
Query: 4 ILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELDVT 63
+L+TG G G + + + G + AT R +++ EL + NL++ +LDV
Sbjct: 3 VLVTGATAGFGECITRRFIQQG----HKVIATGRRQERLQELKD--ELGDNLYIAQLDVR 56
Query: 64 DFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKP---------EQMTDHFL 114
+ + +++L + ++ ++VLVNNAG+A LG L+P E M D
Sbjct: 57 NRAAIEEML-ASLPAEWRN--IDVLVNNAGLA-----LG-LEPAHKASVEDWETMID--- 104
Query: 115 VNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCS 174
N + +T+ +LP + + + I+N+ S GS G + Y +
Sbjct: 105 TNNKGLVYMTRAVLPGMVER-----------NHGHIINIGSTAGSW---PYAGGNVYGAT 150
Query: 175 KAALNAATRSLSIDLKGDKIIATAMHPGWV 204
KA + + +L DL G + T + PG V
Sbjct: 151 KAFVRQFSLNLRTDLHGTAVRVTDIEPGLV 180
>gnl|CDD|180823 PRK07074, PRK07074, short chain dehydrogenase; Provisional.
Length = 257
Score = 46.3 bits (110), Expect = 5e-06
Identities = 54/209 (25%), Positives = 89/209 (42%), Gaps = 29/209 (13%)
Query: 1 MKSI-LITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIE 59
K L+TG G+G + + + G+ + A + A+ A A + +
Sbjct: 1 TKRTALVTGAAGGIGQALARRFLAAGD----RVLALDIDAA-ALAAFADALGDARFVPVA 55
Query: 60 LDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVT 118
D+TD L +++ ++G ++VLV NAG AA+ L P +N+
Sbjct: 56 CDLTD----AASLAAALANAAAERGPVDVLVANAG-AARAASLHDTTPASWRADNALNLE 110
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHP-YRCSKAA 177
A + + +L + K S R A+VN+ S+ G G HP Y +KA
Sbjct: 111 AAYLCVEAVLEGMLKRS-----------RGAVVNIGSVNGM---AALG--HPAYSAAKAG 154
Query: 178 LNAATRSLSIDLKGDKIIATAMHPGWVKT 206
L T+ L+++ I A A+ PG VKT
Sbjct: 155 LIHYTKLLAVEYGRFGIRANAVAPGTVKT 183
>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 = 45.8 bits (109), Expect = 5e-06
Identities = 56/214 (26%), Positives = 91/214 (42%), Gaps = 40/214 (18%)
Query: 5 LITGCNRGLGLGMIKVLVGLGNNQPAHIFATCR-NKDKAVELLA-LAQQHSNLHVIELDV 62
L+TG +RG+G + L G A + R +KD A E+ A + + V+ DV
Sbjct: 2 LVTGGSRGIGKAIALRLAERG----ADVVINYRKSKDAAAEVAAEIEELGGKAVVVRADV 57
Query: 63 TDFSKQQDVLFKDISDVVKDQ--GLNVLVNNAGIAAKFTRLGLLKP--EQMTDHFL---- 114
+ QDV +++ VK++ L+VLV+NA G +P E H+
Sbjct: 58 SQ---PQDV--EEMFAAVKERFGRLDVLVSNAAA-------GAFRPLSELTPAHWDAKMN 105
Query: 115 VNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCS 174
N+ A + + L+++ IV +SS +GS + +
Sbjct: 106 TNLKALVHCAQQAAKLMRERGGG-----------RIVAISS-LGS--IRALPNYLAVGTA 151
Query: 175 KAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
KAAL A R L+++L I A+ PG + TD
Sbjct: 152 KAALEALVRYLAVELGPRGIRVNAVSPGVIDTDA 185
>gnl|CDD|181518 PRK08643, PRK08643, acetoin reductase; Validated.
Length = 256
Score = 45.5 bits (108), Expect = 7e-06
Identities = 59/213 (27%), Positives = 90/213 (42%), Gaps = 30/213 (14%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATC---RNKDKAVELLA-LAQQHSNLH 56
K L+TG +G+G + K LV G F N++ A L++
Sbjct: 2 SKVALVTGAGQGIGFAIAKRLVEDG-------FKVAIVDYNEETAQAAADKLSKDGGKAI 54
Query: 57 VIELDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLV 115
++ DV+D +D +F + VV G LNV+VNNAG+A T + + EQ + +
Sbjct: 55 AVKADVSD----RDQVFAAVRQVVDTFGDLNVVVNNAGVAPT-TPIETITEEQFDKVYNI 109
Query: 116 NVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSK 175
NV + + KK LG I+N +S G + N Y +K
Sbjct: 110 NVGGVIWGIQAAQEAFKK---------LGHG-GKIINATSQAG-VVGNP--ELAVYSSTK 156
Query: 176 AALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
A+ T++ + DL + I A PG VKT M
Sbjct: 157 FAVRGLTQTAARDLASEGITVNAYAPGIVKTPM 189
>gnl|CDD|180771 PRK06947, PRK06947, glucose-1-dehydrogenase; Provisional.
Length = 248
Score = 45.6 bits (108), Expect = 7e-06
Identities = 60/221 (27%), Positives = 93/221 (42%), Gaps = 35/221 (15%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQH-SNLHVIE 59
K +LITG +RG+G + G + + R+ A E + V+
Sbjct: 2 RKVVLITGASRGIGRATAVLAAARGWSVGINY---ARDAAAAEETADAVRAAGGRACVVA 58
Query: 60 LDVTDFSKQQDVLFKDISDVVKDQ--GLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNV 117
DV + + DV+ + D V+ L+ LVNNAGI A L + ++ F NV
Sbjct: 59 GDV---ANEADVI--AMFDAVQSAFGRLDALVNNAGIVAPSMPLADMDAARLRRMFDTNV 113
Query: 118 TAPLMLTKTMLPLLKKASEANSAAPLGSSRA----AIVNVSSI---MGSIEDNTQGGFHP 170
+ A EA A L + R AIVNVSSI +GS + +
Sbjct: 114 LGAYLC----------AREA--ARRLSTDRGGRGGAIVNVSSIASRLGSPNE-----YVD 156
Query: 171 YRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDMGGS 211
Y SK A++ T L+ +L + A+ PG ++T++ S
Sbjct: 157 YAGSKGAVDTLTLGLAKELGPHGVRVNAVRPGLIETEIHAS 197
>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 = 45.5 bits (108), Expect = 9e-06
Identities = 55/221 (24%), Positives = 90/221 (40%), Gaps = 41/221 (18%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K L+TG +RG+G G+ L G A ++ T R + A + I +
Sbjct: 4 KIALVTGASRGIGRGIALQLGEAG----ATVYITGRTILPQLPGTAEEIEARGGKCIPV- 58
Query: 62 VTDFSKQQDV--LFKDISDVVKDQG-LNVLVNNA---------GIAAKFTRLGLLKPEQM 109
D S +V LF+ ++ + QG L++LVNNA G+A F P
Sbjct: 59 RCDHSDDDEVEALFERVAR--EQQGRLDILVNNAYAAVQLILVGVAKPFWEE---PPTIW 113
Query: 110 TDHFLVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFH 169
D V + A + PL+ KA + IV +SS G +E
Sbjct: 114 DDINNVGLRAHYACSVYAAPLMVKAG-----------KGLIVIISS-TGGLE-----YLF 156
Query: 170 --PYRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
Y KAA++ ++ +LK + ++ PG+V+T++
Sbjct: 157 NVAYGVGKAAIDRMAADMAHELKPHGVAVVSLWPGFVRTEL 197
>gnl|CDD|180300 PRK05875, PRK05875, short chain dehydrogenase; Provisional.
Length = 276
Score = 45.6 bits (108), Expect = 9e-06
Identities = 53/211 (25%), Positives = 88/211 (41%), Gaps = 26/211 (12%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDK---AVELLALAQQHSNLHVI 58
++ L+TG G+G G+ LV G A + RN DK A E + + +
Sbjct: 8 RTYLVTGGGSGIGKGVAAGLVAAG----AAVMIVGRNPDKLAAAAEEIEALKGAGAVRYE 63
Query: 59 ELDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNV 117
DVTD +D + + + G L+ +V+ AG + + P D
Sbjct: 64 PADVTD----EDQVARAVDAATAWHGRLHGVVHCAGGSET------IGPITQIDSDAWRR 113
Query: 118 TAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAA 177
T L + TM +LK A+ GS V +SSI S NT F Y +K+A
Sbjct: 114 TVDLNVNGTMY-VLKHAARELVRGGGGS----FVGISSIAAS---NTHRWFGAYGVTKSA 165
Query: 178 LNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
++ + + +L + ++ PG ++TD+
Sbjct: 166 VDHLMKLAADELGPSWVRVNSIRPGLIRTDL 196
>gnl|CDD|236094 PRK07774, PRK07774, short chain dehydrogenase; Provisional.
Length = 250
Score = 45.1 bits (107), Expect = 1e-05
Identities = 40/144 (27%), Positives = 58/144 (40%), Gaps = 20/144 (13%)
Query: 84 GLNVLVNNAGIAAKFTRLGLLK-PEQMTDHFL-VNVTAPLMLTKTMLPLLKKASEANSAA 141
G++ LVNNA I L+ P F+ VN+ L+ T+ + + K
Sbjct: 83 GIDYLVNNAAIYGGMKLDLLITVPWDYYKKFMSVNLDGALVCTRAVYKHMAKRGGG---- 138
Query: 142 PLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAATRSLSIDLKGDKIIATAMHP 201
AIVN SS + N Y +K LN T+ L+ +L G I A+ P
Sbjct: 139 -------AIVNQSSTAAWLYSN------FYGLAKVGLNGLTQQLARELGGMNIRVNAIAP 185
Query: 202 GWVKTDMGGSNAPLE-VGAATAGI 224
G + T+ + P E V GI
Sbjct: 186 GPIDTEATRTVTPKEFVADMVKGI 209
>gnl|CDD|236207 PRK08261, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 450
Score = 45.6 bits (109), Expect = 1e-05
Identities = 42/130 (32%), Positives = 60/130 (46%), Gaps = 25/130 (19%)
Query: 84 GLNVLVNNAGIAAKFTRLGLLKPEQMTDHFL-----VNVTAPLMLTKTMLPLLKKASEAN 138
GL+++V+NAGI TR L M + VN+ APL +T+ +L A+ A
Sbjct: 284 GLDIVVHNAGI----TRDKTLA--NMDEARWDSVLAVNLLAPLRITEALL-----AAGAL 332
Query: 139 SAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAATRSLSIDLKGDKIIATA 198
IV VSSI G I N G Y SKA + ++L+ L I A
Sbjct: 333 GDGG------RIVGVSSISG-IAGNR--GQTNYAASKAGVIGLVQALAPLLAERGITINA 383
Query: 199 MHPGWVKTDM 208
+ PG+++T M
Sbjct: 384 VAPGFIETQM 393
>gnl|CDD|180802 PRK07035, PRK07035, short chain dehydrogenase; Provisional.
Length = 252
Score = 44.6 bits (106), Expect = 2e-05
Identities = 58/217 (26%), Positives = 92/217 (42%), Gaps = 44/217 (20%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKD--KAVELLALAQQHSN----L 55
K L+TG +RG+G + K+L Q AH+ + R D +AV +A
Sbjct: 9 KIALVTGASRGIGEAIAKLLA----QQGAHVIVSSRKLDGCQAVADAIVAAGGKAEALAC 64
Query: 56 HVIELDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKF-----TRLGLLKPEQM 109
H+ E++ Q D LF I + G L++LVNNA F T LG ++
Sbjct: 65 HIGEME------QIDALFAHIR---ERHGRLDILVNNAAANPYFGHILDTDLGAF--QKT 113
Query: 110 TDHFLVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFH 169
D VN+ ++ L+K+ +IVNV+S+ G + QG
Sbjct: 114 VD---VNIRGYFFMSVEAGKLMKE-----------QGGGSIVNVASVNGVSPGDFQG--- 156
Query: 170 PYRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKT 206
Y +KAA+ + T++ + + I A+ PG T
Sbjct: 157 IYSITKAAVISMTKAFAKECAPFGIRVNALLPGLTDT 193
>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 = 44.2 bits (105), Expect = 2e-05
Identities = 51/239 (21%), Positives = 83/239 (34%), Gaps = 28/239 (11%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
++TG GLGL ++ L+ G A + + L N + +D
Sbjct: 3 LVAVVTGGASGLGLATVERLLAQG----AKVVILDLPNSPGETVAKLG---DNCRFVPVD 55
Query: 62 VTDFSKQQDVLFKDISDVVKDQG--LNVLVNNAGIAAKFTRLGLLK-----PEQMTDHFL 114
VT + L + K + L+++VN AGIA E
Sbjct: 56 VTSEKDVKAAL-----ALAKAKFGRLDIVVNCAGIAVAAKTYNKKGQQPHSLELFQRVIN 110
Query: 115 VNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCS 174
VN+ + + + K +E + G R I+N +S+ Q G Y S
Sbjct: 111 VNLIGTFNVIRLAAGAMGK-NEPDQ----GGERGVIINTASVAAF---EGQIGQAAYSAS 162
Query: 175 KAALNAATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPLEVGAATAGIIQFIQSLGE 233
K + T ++ DL I + PG T + P +V A + F LG+
Sbjct: 163 KGGIVGMTLPIARDLAPQGIRVVTIAPGLFDTPLLAGL-PEKVRDFLAKQVPFPSRLGD 220
>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 = 44.1 bits (104), Expect = 2e-05
Identities = 54/212 (25%), Positives = 89/212 (41%), Gaps = 33/212 (15%)
Query: 4 ILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVE--LLALAQQHSNLHVIELD 61
+L+TG +RG+G + L G H + E + A+ Q N +++ D
Sbjct: 1 VLVTGASRGIGRAIANRLAADGFEICVH----YHSGRSDAESVVSAIQAQGGNARLLQFD 56
Query: 62 VTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIA--AKFTRLGLLKPEQMTDHFL---VN 116
V D + +L DI++ G +V NAGI A F L + + L N
Sbjct: 57 VADRVACRTLLEADIAEHGAYYG---VVLNAGITRDAAFPALSEEDWDIVIHTNLDGFYN 113
Query: 117 VTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKA 176
V P +P+++ A G + +VS +MG+ G Y +KA
Sbjct: 114 VIHPC-----TMPMIR--------ARQGGRIITLASVSGVMGN------RGQVNYSAAKA 154
Query: 177 ALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
L AT++L+++L KI + PG + T+M
Sbjct: 155 GLIGATKALAVELAKRKITVNCIAPGLIDTEM 186
>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 = 43.5 bits (103), Expect = 4e-05
Identities = 48/216 (22%), Positives = 81/216 (37%), Gaps = 39/216 (18%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVE-----LLALAQQHSNL- 55
K +TG +RG+G + L G A + + + L ++ +
Sbjct: 4 KVAFVTGASRGIGRAIALRLAKAG----ATVVVAAKTASEGDNGSAKSLPGTIEETAEEI 59
Query: 56 -------HVIELDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPE 107
I +DV D Q L + V G L++LVNNAG A + L P
Sbjct: 60 EAAGGQALPIVVDVRDED-QVRALVEA---TVDQFGRLDILVNNAG--AIWLSLVEDTPA 113
Query: 108 QMTDHFL-VNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQG 166
+ D VN+ +L++ LP + KA + + I+N+S +
Sbjct: 114 KRFDLMQRVNLRGTYLLSQAALPHMVKAGQGH-----------ILNISPPLSL---RPAR 159
Query: 167 GFHPYRCSKAALNAATRSLSIDLKGDKIIATAMHPG 202
G Y KA ++ T L+ +L+ I ++ P
Sbjct: 160 GDVAYAAGKAGMSRLTLGLAAELRRHGIAVNSLWPS 195
>gnl|CDD|180604 PRK06523, PRK06523, short chain dehydrogenase; Provisional.
Length = 260
Score = 43.4 bits (103), Expect = 4e-05
Identities = 51/235 (21%), Positives = 95/235 (40%), Gaps = 53/235 (22%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K L+TG +G+G + L+ G A + T R+ + + D
Sbjct: 10 KRALVTGGTKGIGAATVARLLEAG----ARVVTTARS--------RPDDLPEGVEFVAAD 57
Query: 62 VTDFSKQQDVLFKDISDVVKDQ--GLNVLVNNAG--------IAAKFTRLGLLKPEQMTD 111
+T + ++ V ++ G+++LV+ G AA L E+ D
Sbjct: 58 LT---TAEGC--AAVARAVLERLGGVDILVHVLGGSSAPAGGFAA-------LTDEEWQD 105
Query: 112 HFLVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPY 171
+N+ A + L + +LP + + I++V+SI + Y
Sbjct: 106 ELNLNLLAAVRLDRALLPGM-----------IARGSGVIIHVTSIQRRLP--LPESTTAY 152
Query: 172 RCSKAALNAATRSLSIDL--KGDKIIATAMHPGWVKTDMGGSNAPLEVGAATAGI 224
+KAAL+ ++SLS ++ KG ++ + PGW++T+ + A E A AG
Sbjct: 153 AAAKAALSTYSKSLSKEVAPKGVRVNTVS--PGWIETE--AAVALAERLAEAAGT 203
>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 = 42.8 bits (101), Expect = 6e-05
Identities = 57/234 (24%), Positives = 95/234 (40%), Gaps = 39/234 (16%)
Query: 4 ILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELDVT 63
+++TG +G+G + + L+ G A + A D LL L + LDV
Sbjct: 1 VIVTGAAQGIGRAVARHLLQAG----ATVIAL----DLPFVLLLEYGDP--LRLTPLDVA 50
Query: 64 DFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKP---EQMTDHFLVNVTAP 120
D + ++V + +++ ++ LVN AG+ R G P E F VNVT
Sbjct: 51 DAAAVREVCSRLLAE---HGPIDALVNCAGV----LRPGATDPLSTEDWEQTFAVNVTGV 103
Query: 121 LMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNA 180
L + + P +K + + S+ A + +S M + Y SKAAL +
Sbjct: 104 FNLLQAVAPHMK-DRRTGAIVTVASNAAHVPRIS--MAA-----------YGASKAALAS 149
Query: 181 ATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPLEVGAATAGIIQFIQSLGEA 234
++ L ++L + + PG T M + E GAA Q I + E
Sbjct: 150 LSKCLGLELAPYGVRCNVVSPGSTDTAMQRTLWHDEDGAA-----QVIAGVPEQ 198
>gnl|CDD|237187 PRK12743, PRK12743, oxidoreductase; Provisional.
Length = 256
Score = 42.7 bits (101), Expect = 6e-05
Identities = 37/157 (23%), Positives = 68/157 (43%), Gaps = 21/157 (13%)
Query: 56 HVIELDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAG--IAAKFTRLGLLKPEQMTDHF 113
+ +LD++D + L K I + ++VLVNNAG A F + ++ F
Sbjct: 55 EIRQLDLSDLPEGAQALDKLIQRL---GRIDVLVNNAGAMTKAPFLDMDF---DEWRKIF 108
Query: 114 LVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRC 173
V+V + ++ + K + I+N++S+ E G Y
Sbjct: 109 TVDVDGAFLCSQIAARHMVKQGQGGR----------IINITSVH---EHTPLPGASAYTA 155
Query: 174 SKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDMGG 210
+K AL T++++++L I+ A+ PG + T M G
Sbjct: 156 AKHALGGLTKAMALELVEHGILVNAVAPGAIATPMNG 192
>gnl|CDD|181295 PRK08213, PRK08213, gluconate 5-dehydrogenase; Provisional.
Length = 259
Score = 42.6 bits (101), Expect = 7e-05
Identities = 58/217 (26%), Positives = 94/217 (43%), Gaps = 36/217 (16%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA-LAQQHSNLHVIEL 60
K+ L+TG +RGLGL + + L G A + + R ++ E A L + I
Sbjct: 13 KTALVTGGSRGLGLQIAEALGEAG----ARVVLSARKAEELEEAAAHLEALGIDALWIAA 68
Query: 61 DVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFL-VNVT 118
DV D + + + + ++ G +++LVNNAG A + P + D + +NV
Sbjct: 69 DVADEADIERL----AEETLERFGHVDILVNNAG--ATWGAPAEDHPVEAWDKVMNLNVR 122
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHP-------Y 171
+L++ + S P G R I+NV+S+ G GG P Y
Sbjct: 123 GLFLLSQAVAKR--------SMIPRGYGR--IINVASVAG------LGGNPPEVMDTIAY 166
Query: 172 RCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
SK A+ TR+L+ + I A+ PG+ T M
Sbjct: 167 NTSKGAVINFTRALAAEWGPHGIRVNAIAPGFFPTKM 203
>gnl|CDD|235925 PRK07067, PRK07067, sorbitol dehydrogenase; Provisional.
Length = 257
Score = 42.7 bits (101), Expect = 7e-05
Identities = 49/210 (23%), Positives = 82/210 (39%), Gaps = 29/210 (13%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K L+TG G+G + + + G A + +A + LD
Sbjct: 7 KVALLTGAASGIGEAVAERYLAEG----ARVVIADIKPARARLAALEIGPA--AIAVSLD 60
Query: 62 VTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLK-PEQMTDH-FLVNVT 118
VT QD + + ++ V+ G +++L NNA + F +L D F VNV
Sbjct: 61 VTR----QDSIDRIVAAAVERFGGIDILFNNAAL---FDMAPILDISRDSYDRLFAVNV- 112
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAAL 178
K + L++ + G I+N++S G + Y +KAA+
Sbjct: 113 ------KGLFFLMQAVARHMVEQGRG---GKIINMASQAGR---RGEALVSHYCATKAAV 160
Query: 179 NAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
+ T+S ++ L I A+ PG V T M
Sbjct: 161 ISYTQSAALALIRHGINVNAIAPGVVDTPM 190
>gnl|CDD|235739 PRK06200, PRK06200, 2,3-dihydroxy-2,3-dihydrophenylpropionate
dehydrogenase; Provisional.
Length = 263
Score = 42.2 bits (100), Expect = 9e-05
Identities = 57/215 (26%), Positives = 87/215 (40%), Gaps = 33/215 (15%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQH-SNLHVIEL 60
+ LITG G+G +++ + G A + R+ +K +L Q+ ++ V+E
Sbjct: 7 QVALITGGGSGIGRALVERFLAEG----ARVAVLERSAEKLA---SLRQRFGDHVLVVEG 59
Query: 61 DVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHF----LV 115
DVT ++ Q + + V G L+ V NAGI T L + E + F V
Sbjct: 60 DVTSYADNQ----RAVDQTVDAFGKLDCFVGNAGIWDYNTSLVDIPAETLDTAFDEIFNV 115
Query: 116 NVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSK 175
NV L+ K LP LK S +++ S GG Y SK
Sbjct: 116 NVKGYLLGAKAALPALKA------------SGGSMIFTLSNSSFY---PGGGGPLYTASK 160
Query: 176 AALNAATRSLSIDLKGDKIIATAMHPGWVKTDMGG 210
A+ R L+ +L KI + PG TD+ G
Sbjct: 161 HAVVGLVRQLAYEL-APKIRVNGVAPGGTVTDLRG 194
>gnl|CDD|180458 PRK06194, PRK06194, hypothetical protein; Provisional.
Length = 287
Score = 42.3 bits (100), Expect = 9e-05
Identities = 57/224 (25%), Positives = 93/224 (41%), Gaps = 41/224 (18%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNN-------QPAHIFATCRNKDKAVELLALAQQHSN 54
K +ITG G GL ++ LG Q A D+AV L Q +
Sbjct: 7 KVAVITGAASGFGLAFARIGAALGMKLVLADVQQDA--------LDRAVA--ELRAQGAE 56
Query: 55 LHVIELDVTDFSKQQDVLFKDISDVVKDQ--GLNVLVNNAGIAAKFTRLGLLKPEQMTDH 112
+ + DV+D + Q + L +D ++ +++L NNAG+ A GL+ + D
Sbjct: 57 VLGVRTDVSDAA-QVEAL----ADAALERFGAVHLLFNNAGVGAG----GLVWENSLADW 107
Query: 113 ---FLVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFH 169
VN+ + + PL+ A A + IVN +S+ G + G
Sbjct: 108 EWVLGVNLWGVIHGVRAFTPLMLAA-----AEKDPAYEGHIVNTASMAGLLAPPAMG--- 159
Query: 170 PYRCSKAALNAATRSLSIDLK--GDKIIATAMHPGWVKTDMGGS 211
Y SK A+ + T +L DL D++ A+ + P +V T + S
Sbjct: 160 IYNVSKHAVVSLTETLYQDLSLVTDQVGASVLCPYFVPTGIWQS 203
>gnl|CDD|171821 PRK12937, PRK12937, short chain dehydrogenase; Provisional.
Length = 245
Score = 42.0 bits (99), Expect = 1e-04
Identities = 30/130 (23%), Positives = 51/130 (39%), Gaps = 27/130 (20%)
Query: 84 GLNVLVNNAGIAAKFTRLGLLKPEQMTD-----HFLVNVTAPLMLTKTMLPLLKKASEAN 138
++VLVNNAG+ + L N+ ++ + L +
Sbjct: 83 RIDVLVNNAGV------MPLGTIADFDLEDFDRTIATNLRGAFVVLREAARHLGQGGR-- 134
Query: 139 SAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAATRSLSIDLKGDKIIATA 198
I+N+S+ S+ G+ PY SKAA+ L+ +L+G I A
Sbjct: 135 -----------IINLST---SVIALPLPGYGPYAASKAAVEGLVHVLANELRGRGITVNA 180
Query: 199 MHPGWVKTDM 208
+ PG V T++
Sbjct: 181 VAPGPVATEL 190
>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 = 42.1 bits (99), Expect = 1e-04
Identities = 42/174 (24%), Positives = 65/174 (37%), Gaps = 17/174 (9%)
Query: 63 TDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGI-AAKFTRLGLLKPEQMTDHFLVNVTAP 120
D + + DV + V G L+++ NNAG+ A + E+ VNV
Sbjct: 58 CDVTVEADVR-AAVDTAVARFGRLDIMFNNAGVLGAPCYSILETSLEEFERVLDVNVYGA 116
Query: 121 LMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNA 180
+ TK A P +IV+V+S+ G + G H Y SK A+
Sbjct: 117 FLGTK---------HAARVMIPAKK--GSIVSVASVAGVV---GGLGPHAYTASKHAVLG 162
Query: 181 ATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPLEVGAATAGIIQFIQSLGEA 234
TRS + +L I + P V T + + +E A + G A
Sbjct: 163 LTRSAATELGEHGIRVNCVSPYGVATPLLTAGFGVEDEAIEEAVRGAANLKGTA 216
>gnl|CDD|181517 PRK08642, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 253
Score = 42.0 bits (99), Expect = 1e-04
Identities = 50/221 (22%), Positives = 90/221 (40%), Gaps = 26/221 (11%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
+++L+TG +RGLG + + G A + + A E LA + ++ D
Sbjct: 6 QTVLVTGGSRGLGAAIARAFAREG----ARVVVNYHQSEDAAEALA-DELGDRAIALQAD 60
Query: 62 VTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKF-----TRLGLLKPEQMTDHFLVN 116
VTD +Q +F ++ + + +VNNA F + + E +
Sbjct: 61 VTDR-EQVQAMFATATEHF-GKPITTVVNNALADFSFDGDARKKADDITWEDFQQQLEGS 118
Query: 117 VTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKA 176
V L + LP +++ G R I+N+ + ++ N +H Y +KA
Sbjct: 119 VKGALNTIQAALPGMREQ---------GFGR--IINIGT---NLFQNPVVPYHDYTTAKA 164
Query: 177 ALNAATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPLEV 217
AL TR+L+ +L I + G ++T + P EV
Sbjct: 165 ALLGLTRNLAAELGPYGITVNMVSGGLLRTTDASAATPDEV 205
>gnl|CDD|235631 PRK05866, PRK05866, short chain dehydrogenase; Provisional.
Length = 293
Score = 42.0 bits (99), Expect = 1e-04
Identities = 48/213 (22%), Positives = 88/213 (41%), Gaps = 30/213 (14%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA-LAQQHSNLHVIEL 60
K IL+TG + G+G + G A + A R +D + + + + +
Sbjct: 41 KRILLTGASSGIGEAAAEQFARRG----ATVVAVARREDLLDAVADRITRAGGDAMAVPC 96
Query: 61 DVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLK-----PEQMTDHFLV 115
D++D D L D+ + G+++L+NNAG + + L M +
Sbjct: 97 DLSDL-DAVDALVADVEK--RIGGVDILINNAGRSIRRPLAESLDRWHDVERTMV----L 149
Query: 116 NVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSK 175
N APL L + + P + + + + I+NV++ E + F Y SK
Sbjct: 150 NYYAPLRLIRGLAPGMLERGDGH-----------IINVATWGVLSEASPL--FSVYNASK 196
Query: 176 AALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
AAL+A +R + + + +T ++ V T M
Sbjct: 197 AALSAVSRVIETEWGDRGVHSTTLYYPLVATPM 229
>gnl|CDD|180983 PRK07453, PRK07453, protochlorophyllide oxidoreductase; Validated.
Length = 322
Score = 41.9 bits (99), Expect = 2e-04
Identities = 35/150 (23%), Positives = 59/150 (39%), Gaps = 32/150 (21%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVEL---LALAQQHSNLHV 57
+++ITG + G+GL K L G H+ CRN KA L + + +
Sbjct: 6 KGTVIITGASSGVGLYAAKALAKRG----WHVIMACRNLKKAEAAAQELGIPPD--SYTI 59
Query: 58 IELDVTDFSKQQDVLFKDISDVVKD-----QGLNVLVNNAGIAAKFTRLGLLK-PEQMTD 111
I +D+ D + V D + L+ LV NA + + LLK P +
Sbjct: 60 IHIDLGDLD--------SVRRFVDDFRALGKPLDALVCNAAV-----YMPLLKEPLRSPQ 106
Query: 112 HFLVNVT----APLMLTKTMLPLLKKASEA 137
+ +++ +L +L LKK+
Sbjct: 107 GYELSMATNHLGHFLLCNLLLEDLKKSPAP 136
>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 = 41.1 bits (96), Expect = 2e-04
Identities = 47/210 (22%), Positives = 92/210 (43%), Gaps = 18/210 (8%)
Query: 5 LITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELDVTD 64
L+TG +RG G + + L + + + + RN + +L A + + D
Sbjct: 4 LVTGASRGFGRTIAQELAKCLKSPGSVLVLSARNDEALRQLKAEIGAERSGLRVVRVSLD 63
Query: 65 FSKQQDV--LFKDISDVVKDQGLN--VLVNNAGIAAKFTRL--GLLKPEQMTDHFLVNVT 118
+ + L K + ++ + +GL +L+NNAG ++ L Q+ +++ +N+T
Sbjct: 64 LGAEAGLEQLLKALRELPRPKGLQRLLLINNAGTLGDVSKGFVDLSDSTQVQNYWALNLT 123
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAAL 178
+ L LT ++L K +VN+SS + +I+ G+ Y KAA
Sbjct: 124 SMLCLTSSVLKAFKD---------SPGLNRTVVNISS-LCAIQPFK--GWALYCAGKAAR 171
Query: 179 NAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
+ + L+++ K + PG + TDM
Sbjct: 172 DMLFQVLALEEKNPNVRVLNYAPGVLDTDM 201
>gnl|CDD|171820 PRK12936, PRK12936, 3-ketoacyl-(acyl-carrier-protein) reductase
NodG; Reviewed.
Length = 245
Score = 41.1 bits (96), Expect = 2e-04
Identities = 35/134 (26%), Positives = 67/134 (50%), Gaps = 27/134 (20%)
Query: 83 QGLNVLVNNAGIAAKFTRLGLLKPEQMTDH-----FLVNVTAPLMLTKTML-PLLKKASE 136
+G+++LVNNAGI T+ GL +M+D VN+TA LT+ + P++++
Sbjct: 79 EGVDILVNNAGI----TKDGLFV--RMSDEDWDSVLEVNLTATFRLTRELTHPMMRR--- 129
Query: 137 ANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAATRSLSIDLKGDKIIA 196
I+N++S++G + Q Y SKA + ++SL+ ++ +
Sbjct: 130 ---------RYGRIINITSVVGVTGNPGQAN---YCASKAGMIGFSKSLAQEIATRNVTV 177
Query: 197 TAMHPGWVKTDMGG 210
+ PG++++ M G
Sbjct: 178 NCVAPGFIESAMTG 191
>gnl|CDD|235703 PRK06125, PRK06125, short chain dehydrogenase; Provisional.
Length = 259
Score = 40.8 bits (96), Expect = 3e-04
Identities = 27/96 (28%), Positives = 42/96 (43%), Gaps = 17/96 (17%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K +LITG ++G+G + G H+ R+ D L ALA H +++
Sbjct: 8 KRVLITGASKGIGAAAAEAFAAEG----CHLHLVARDADA---LEALAADLRAAHGVDVA 60
Query: 62 VT--DFSKQQDV--LFKDISDVVKDQGLNVLVNNAG 93
V D S + L + D+ ++LVNNAG
Sbjct: 61 VHALDLSSPEAREQLAAEAGDI------DILVNNAG 90
>gnl|CDD|180413 PRK06128, PRK06128, oxidoreductase; Provisional.
Length = 300
Score = 41.0 bits (96), Expect = 3e-04
Identities = 37/146 (25%), Positives = 60/146 (41%), Gaps = 19/146 (13%)
Query: 61 DVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAP 120
D+ D + + ++ + + ++ GL++LVN AG + + EQ F NV A
Sbjct: 114 DLKDEAFCRQLVERAVKEL---GGLDILVNIAGKQTAVKDIADITTEQFDATFKTNVYAM 170
Query: 121 LMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNA 180
L K +P L A+I+N SI Y +KAA+ A
Sbjct: 171 FWLCKAAIPHLPPG-------------ASIINTGSIQSY---QPSPTLLDYASTKAAIVA 214
Query: 181 ATRSLSIDLKGDKIIATAMHPGWVKT 206
T++L+ + I A+ PG V T
Sbjct: 215 FTKALAKQVAEKGIRVNAVAPGPVWT 240
>gnl|CDD|236389 PRK09134, PRK09134, short chain dehydrogenase; Provisional.
Length = 258
Score = 40.7 bits (96), Expect = 3e-04
Identities = 33/113 (29%), Positives = 47/113 (41%), Gaps = 31/113 (27%)
Query: 85 LNVLVNNAGI-----AAKFTRLGLLKPEQMTDHFLVNVTAPLMLTKTMLPLLKKASEANS 139
+ +LVNNA + AA FTR + H N+ AP +L + +
Sbjct: 88 ITLLVNNASLFEYDSAASFTRASWDR------HMATNLRAPFVLAQAF-----------A 130
Query: 140 AAPLGSSRAAIVNVSSIMGSIE---DNTQGGFHPYRCSKAALNAATRSLSIDL 189
A +R +VN+ I+ N F Y SKAAL ATR+L+ L
Sbjct: 131 RALPADARGLVVNM------IDQRVWNLNPDFLSYTLSKAALWTATRTLAQAL 177
>gnl|CDD|180408 PRK06114, PRK06114, short chain dehydrogenase; Provisional.
Length = 254
Score = 40.5 bits (95), Expect = 3e-04
Identities = 33/124 (26%), Positives = 57/124 (45%), Gaps = 13/124 (10%)
Query: 85 LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAPLMLTKTMLPLLKKASEANSAAPLG 144
L + VN AGIA + + EQ +N+T + + +A + A L
Sbjct: 87 LTLAVNAAGIANANPAEEM-EEEQWQTVMDINLTGVFL-----------SCQAEARAMLE 134
Query: 145 SSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAATRSLSIDLKGDKIIATAMHPGWV 204
+ +IVN++S+ G I + H Y SKA + ++SL+++ G I ++ PG+
Sbjct: 135 NGGGSIVNIASMSGIIVNRGLLQAH-YNASKAGVIHLSKSLAMEWVGRGIRVNSISPGYT 193
Query: 205 KTDM 208
T M
Sbjct: 194 ATPM 197
>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 = 40.1 bits (94), Expect = 5e-04
Identities = 41/197 (20%), Positives = 82/197 (41%), Gaps = 21/197 (10%)
Query: 5 LITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELDVTD 64
L+TG G+GL + K L G A + + + A ++ AQ ++ DVT
Sbjct: 5 LVTGGASGIGLAIAKRLAAEG----AAVVVADIDPEIAEKVAEAAQGGPRALGVQCDVTS 60
Query: 65 FSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAPLMLT 124
++ Q F+ V++ GL+++V+NAGI A + + E +N+T +++
Sbjct: 61 EAQVQSA-FEQA--VLEFGGLDIVVSNAGI-ATSSPIAETSLEDWNRSMDINLTGHFLVS 116
Query: 125 KTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAATRS 184
+ ++K +G + + +++ Y +KAA R
Sbjct: 117 REAFRIMKS-------QGIGGNIVFNASKNAVAPGP------NAAAYSAAKAAEAHLARC 163
Query: 185 LSIDLKGDKIIATAMHP 201
L+++ D I ++P
Sbjct: 164 LALEGGEDGIRVNTVNP 180
>gnl|CDD|187670 cd09810, LPOR_like_SDR_c_like, light-dependent protochlorophyllide
reductase (LPOR)-like, classical (c)-like SDRs.
Classical SDR-like subgroup containing LPOR and related
proteins. Protochlorophyllide (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. 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 = 311
Score = 39.4 bits (92), Expect = 8e-04
Identities = 45/183 (24%), Positives = 69/183 (37%), Gaps = 24/183 (13%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA-LAQQHSNLHVIEL 60
+++ITG + GLGL K L G H+ CR+ KA + + + V+
Sbjct: 2 GTVVITGASSGLGLAAAKALARRGE---WHVVMACRDFLKAEQAAQEVGMPKDSYSVLHC 58
Query: 61 DVTDF-SKQQDVLFKDISDVVKDQG--LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNV 117
D+ S +Q V D + G L+ LV NA + + + VN
Sbjct: 59 DLASLDSVRQFV------DNFRRTGRPLDALVCNAAVYLPTAKEPRFTADGFELTVGVNH 112
Query: 118 TAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAA 177
+LT +L L+++ A+ IV V SI NT G P R +
Sbjct: 113 LGHFLLTNLLLEDLQRSENAS---------PRIVIVGSITH--NPNTLAGNVPPRATLGD 161
Query: 178 LNA 180
L
Sbjct: 162 LEG 164
>gnl|CDD|183797 PRK12859, PRK12859, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 256
Score = 38.6 bits (90), Expect = 0.001
Identities = 44/160 (27%), Positives = 70/160 (43%), Gaps = 32/160 (20%)
Query: 56 HVIELDVTDFSKQQDVLFKDISDVVKDQGL-NVLVNNA--GIAAKFTRLGLLKPEQMTDH 112
+ELD+T Q D + ++ V + G ++LVNNA F+ L E++ H
Sbjct: 71 SSMELDLT----QNDAPKELLNKVTEQLGYPHILVNNAAYSTNNDFSNL---TAEELDKH 123
Query: 113 FLVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQG---GFH 169
++VNV A +L+ K S I+N++S QG G
Sbjct: 124 YMVNVRATTLLSSQFARGFDKKSGGR-----------IINMTS------GQFQGPMVGEL 166
Query: 170 PYRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDMG 209
Y +K A++A T SL+ ++ I A++PG TD G
Sbjct: 167 AYAATKGAIDALTSSLAAEVAHLGITVNAINPG--PTDTG 204
>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 = 38.9 bits (91), Expect = 0.001
Identities = 52/220 (23%), Positives = 86/220 (39%), Gaps = 43/220 (19%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQH-SNLHVIEL 60
+ LITG GLG +++ V G A + R+ +K E L + +E
Sbjct: 5 EVALITGGGSGLGRALVERFVAEG----AKVAVLDRSAEKVAE---LRADFGDAVVGVEG 57
Query: 61 DVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHF----LVN 116
DV + + + + + K L+ + NAGI T L + E++ + F +N
Sbjct: 58 DVRSLADNERAVARCVERFGK---LDCFIGNAGIWDYSTSLVDIPEEKLDEAFDELFHIN 114
Query: 117 VTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHP------ 170
V ++ K LP L +E + I VS+ GF+P
Sbjct: 115 VKGYILGAKAALPALYA-TEGS----------VIFTVSN----------AGFYPGGGGPL 153
Query: 171 YRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDMGG 210
Y SK A+ + L+ +L I + PG + TD+ G
Sbjct: 154 YTASKHAVVGLVKQLAYEL-APHIRVNGVAPGGMVTDLRG 192
>gnl|CDD|235933 PRK07097, PRK07097, gluconate 5-dehydrogenase; Provisional.
Length = 265
Score = 38.5 bits (90), Expect = 0.001
Identities = 54/220 (24%), Positives = 96/220 (43%), Gaps = 32/220 (14%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHS-NLHVIEL 60
K LITG + G+G + K G A I N++ + LA ++ H
Sbjct: 11 KIALITGASYGIGFAIAKAYAKAG----ATIVFNDINQELVDKGLAAYRELGIEAHGYVC 66
Query: 61 DVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPE--QMTDHFLVNV 117
DVTD +D + +S + K+ G +++LVNNAGI + L + + Q+ D +++
Sbjct: 67 DVTD----EDGVQAMVSQIEKEVGVIDILVNNAGIIKRIPMLEMSAEDFRQVID---IDL 119
Query: 118 TAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAA 177
AP +++K ++P + K I+N+ S+M + T Y +K
Sbjct: 120 NAPFIVSKAVIPSMIKKGHGK-----------IINICSMMSELGRETVSA---YAAAKGG 165
Query: 178 LNAATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPLEV 217
L T++++ + I + PG++ T APL
Sbjct: 166 LKMLTKNIASEYGEANIQCNGIGPGYIATP---QTAPLRE 202
>gnl|CDD|235627 PRK05854, PRK05854, short chain dehydrogenase; Provisional.
Length = 313
Score = 38.5 bits (90), Expect = 0.002
Identities = 55/222 (24%), Positives = 87/222 (39%), Gaps = 43/222 (19%)
Query: 5 LITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELDVTD 64
++TG + GLGLG+ + L G A + RN+ K +A + + L D
Sbjct: 18 VVTGASDGLGLGLARRLAAAG----AEVILPVRNRAKGEAAVAAIRTAVPDAKLSLRALD 73
Query: 65 FSKQQDVLFKDISDVVKDQG--LNVLVNNAGIAAKFTRLGLLKPEQMTD-----HFLVNV 117
S V + + ++ +G +++L+NNAG+ R Q T F N
Sbjct: 74 LSSLASV--AALGEQLRAEGRPIHLLINNAGVMTPPER-------QTTADGFELQFGTNH 124
Query: 118 TAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIM---GSI--ED-NTQGGFHP- 170
LT +LPLL+ RA + + SSI G+I +D N + +
Sbjct: 125 LGHFALTAHLLPLLRAG------------RARVTSQSSIAARRGAINWDDLNWERSYAGM 172
Query: 171 --YRCSKAALNAATRSLS--IDLKGDKIIATAMHPGWVKTDM 208
Y SK A+ L G I + HPG T++
Sbjct: 173 RAYSQSKIAVGLFALELDRRSRAAGWGITSNLAHPGVAPTNL 214
>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 = 37.9 bits (88), Expect = 0.002
Identities = 39/216 (18%), Positives = 64/216 (29%), Gaps = 67/216 (31%)
Query: 4 ILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELDVT 63
+L+TG + G+G + L + + R
Sbjct: 1 VLVTGGSGGIGG---AIARWLASRGSPKVLVVSR-------------------------- 31
Query: 64 DFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAPLML 123
+V+V+NA I RL L ++ NV L
Sbjct: 32 ---------------------RDVVVHNAAIL-DDGRLIDLTGSRIERAIRANVVGTRRL 69
Query: 124 TKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAATR 183
+ L+K + +SS+ G G Y SKAAL+ +
Sbjct: 70 LEAARELMKA-----------KRLGRFILISSVAGLFGAPGLG---GYAASKAALDGLAQ 115
Query: 184 SLSIDLKGDKIIATAMHPGWVKTD--MGGSNAPLEV 217
+ + G+ + ATA+ G G AP E+
Sbjct: 116 QWASEGWGNGLPATAVACGTWAGSGMAKGPVAPEEI 151
>gnl|CDD|187669 cd09809, human_WWOX_like_SDR_c-like, human WWOX (WW
domain-containing oxidoreductase)-like, classical
(c)-like SDRs. Classical-like SDR domain of human WWOX
and related proteins. 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. 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 = 284
Score = 38.3 bits (89), Expect = 0.002
Identities = 30/100 (30%), Positives = 43/100 (43%), Gaps = 14/100 (14%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNK---DKAVELLALAQQHSNLHVI 58
K I+ITG N G+G + G AH+ CRN AV + + + +
Sbjct: 2 KVIIITGANSGIGFETARSFALHG----AHVILACRNMSRASAAVSRILEEWHKARVEAM 57
Query: 59 ELDVTDF-SKQQDV-LFKDISDVVKDQGLNVLVNNAGIAA 96
LD+ S Q+ FK K+ L+VLV NA + A
Sbjct: 58 TLDLASLRSVQRFAEAFKA-----KNSPLHVLVCNAAVFA 92
>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 = 38.0 bits (89), Expect = 0.002
Identities = 51/233 (21%), Positives = 87/233 (37%), Gaps = 42/233 (18%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDK---AVELLALAQQHSN-LHV 57
K ITG G+G + K LG A + R + A E ++ H
Sbjct: 4 KVAFITGGGTGIGKAIAKAFAELG----ASVAIAGRKPEVLEAAAE--EISSATGGRAHP 57
Query: 58 IELDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFL-- 114
I+ DV D + + + +K+ G +++L+NNA A F L E ++ +
Sbjct: 58 IQCDVRDPEAVEAA----VDETLKEFGKIDILINNA--AGNF----LAPAESLSPNGFKT 107
Query: 115 ---VNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFH-P 170
+++ TK + L + +I+N+S+ T F
Sbjct: 108 VIDIDLNGTFNTTKAVGKRLIE----------AKHGGSILNISATYA----YTGSPFQVH 153
Query: 171 YRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDMGGSN-APLEVGAATA 222
+KA ++A TRSL+++ I A+ PG + T G AP
Sbjct: 154 SAAAKAGVDALTRSLAVEWGPYGIRVNAIAPGPIPTTEGMERLAPSGKSEKKM 206
>gnl|CDD|180440 PRK06172, PRK06172, short chain dehydrogenase; Provisional.
Length = 253
Score = 38.2 bits (89), Expect = 0.002
Identities = 35/123 (28%), Positives = 47/123 (38%), Gaps = 22/123 (17%)
Query: 90 NNAGIAAKFTRLGLLKPEQMTDHF----LVNVTAPLMLTKTMLPLLKKASEANSAAPLGS 145
NNAGI + RL E F VNV + K +PL+ L
Sbjct: 90 NNAGIEIEQGRL----AEGSEAEFDAIMGVNVKGVWLCMKYQIPLM-----------LAQ 134
Query: 146 SRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVK 205
AIVN +S+ G Y SK A+ T+S +I+ I A+ P +
Sbjct: 135 GGGAIVNTASVAGLG---AAPKMSIYAASKHAVIGLTKSAAIEYAKKGIRVNAVCPAVID 191
Query: 206 TDM 208
TDM
Sbjct: 192 TDM 194
>gnl|CDD|235633 PRK05872, PRK05872, short chain dehydrogenase; Provisional.
Length = 296
Score = 38.0 bits (89), Expect = 0.003
Identities = 48/240 (20%), Positives = 88/240 (36%), Gaps = 64/240 (26%)
Query: 2 KSILITGCNRGLGL---------GMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQH 52
K +++TG RG+G G LV L + A + A D+ + ++A
Sbjct: 10 KVVVVTGAARGIGAELARRLHARGAKLALVDLEEAELAALAAELGGDDRVLTVVA----- 64
Query: 53 SNLHVIELDVTDFSKQQDVLFKDISDVVKDQ--GLNVLVNNAGIAAKFTRLGLLKPEQMT 110
DVTD + Q ++ ++ G++V+V NAGIA+ +
Sbjct: 65 --------DVTDLAAMQAA-----AEEAVERFGGIDVVVANAGIASGGS----------- 100
Query: 111 DHFLVNVTAPLMLTKTM-LPLLKKASEANSAAP-LGSSRAAIVNVSSI-------MGSIE 161
V P + + + LL + P L R ++ VSS+ +
Sbjct: 101 ----VAQVDPDAFRRVIDVNLLGVFHTVRATLPALIERRGYVLQVSSLAAFAAAPGMA-- 154
Query: 162 DNTQGGFHPYRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM-GGSNAPLEVGAA 220
Y SKA + A +L +++ + + + W+ TD+ ++A L
Sbjct: 155 --------AYCASKAGVEAFANALRLEVAHHGVTVGSAYLSWIDTDLVRDADADLPAFRE 206
>gnl|CDD|181113 PRK07775, PRK07775, short chain dehydrogenase; Provisional.
Length = 274
Score = 37.8 bits (88), Expect = 0.003
Identities = 17/50 (34%), Positives = 26/50 (52%)
Query: 171 YRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPLEVGAA 220
Y +KA L A +L ++L+G + A+ +HPG T MG S +G
Sbjct: 159 YGAAKAGLEAMVTNLQMELEGTGVRASIVHPGPTLTGMGWSLPAEVIGPM 208
>gnl|CDD|169556 PRK08703, PRK08703, short chain dehydrogenase; Provisional.
Length = 239
Score = 37.6 bits (87), Expect = 0.003
Identities = 44/187 (23%), Positives = 75/187 (40%), Gaps = 26/187 (13%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDK--AVELLALAQQHSNLHVIE 59
K+IL+TG ++GLG + K G A + R++ K V + H I
Sbjct: 7 KTILVTGASQGLGEQVAKAYAAAG----ATVILVARHQKKLEKVYDAIVEAGHPEPFAIR 62
Query: 60 LDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKP---EQMTDHFLVN 116
D+ +++ F+ + + + L A F L L + + + +N
Sbjct: 63 FDLMSAEEKE---FEQFAATIAEATQGKLDGIVHCAGYFYALSPLDFQTVAEWVNQYRIN 119
Query: 117 VTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKA 176
AP+ LT+ + PLLK++ + A+++ V G GGF SKA
Sbjct: 120 TVAPMGLTRALFPLLKQSPD-----------ASVIFVGESHGETPKAYWGGFG---ASKA 165
Query: 177 ALNAATR 183
ALN +
Sbjct: 166 ALNYLCK 172
>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 = 37.2 bits (86), Expect = 0.004
Identities = 55/210 (26%), Positives = 88/210 (41%), Gaps = 29/210 (13%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K+ LITG RG+G + V G A + N + A A + I LD
Sbjct: 4 KTALITGSARGIGRAFAQAYVREG----ARVAIADINLEAARATAAEIGPAA--CAISLD 57
Query: 62 VTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKP--EQMTDHFLVNVT 118
VTD Q + + ++ +V G +++LVNNA A F ++ E F +NV
Sbjct: 58 VTD----QASIDRCVAALVDRWGSIDILVNNA---ALFDLAPIVDITRESYDRLFAINV- 109
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAAL 178
L +++ + A A G I+N++S G + G Y +KAA+
Sbjct: 110 ------SGTLFMMQAVARAMIAQGRGGK---IINMASQAGRRGEALVG---VYCATKAAV 157
Query: 179 NAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
+ T+S ++L I A+ PG V +
Sbjct: 158 ISLTQSAGLNLIRHGINVNAIAPGVVDGEH 187
>gnl|CDD|183772 PRK12823, benD, 1,6-dihydroxycyclohexa-2,4-diene-1-carboxylate
dehydrogenase; Provisional.
Length = 260
Score = 37.2 bits (87), Expect = 0.004
Identities = 25/74 (33%), Positives = 32/74 (43%), Gaps = 16/74 (21%)
Query: 143 LGSSRAAIVNVSSIMGSIEDNTQGGFH--PYRCSKAALNAATRSLSIDLKGDKIIATAMH 200
L AIVNVSSI G + PY +K +NA T SL+ + I A+
Sbjct: 132 LAQGGGAIVNVSSI-------ATRGINRVPYSAAKGGVNALTASLAFEYAEHGIRVNAVA 184
Query: 201 PGWVKTDMGGSNAP 214
P GG+ AP
Sbjct: 185 P-------GGTEAP 191
>gnl|CDD|236216 PRK08277, PRK08277, D-mannonate oxidoreductase; Provisional.
Length = 278
Score = 37.2 bits (87), Expect = 0.005
Identities = 52/222 (23%), Positives = 89/222 (40%), Gaps = 38/222 (17%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA-LAQQHSNLHVIEL 60
K +ITG LG M K L G A + RN++KA ++A + ++
Sbjct: 11 KVAVITGGGGVLGGAMAKELARAG----AKVAILDRNQEKAEAVVAEIKAAGGEALAVKA 66
Query: 61 DVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAG---IAAKFTRLGLLKPEQMTDHFLVN 116
DV D ++ L + +++D G ++L+N AG A E F ++
Sbjct: 67 DVLD----KESLEQARQQILEDFGPCDILINGAGGNHPKATTDNEFHELIEPTKTFFDLD 122
Query: 117 VTA-----PLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHP- 170
L L T+LP ++ + +G I+N+SS+ F P
Sbjct: 123 EEGFEFVFDLNLLGTLLP-----TQVFAKDMVGRKGGNIINISSM---------NAFTPL 168
Query: 171 -----YRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTD 207
Y +KAA++ T+ L++ I A+ PG+ T+
Sbjct: 169 TKVPAYSAAKAAISNFTQWLAVHFAKVGIRVNAIAPGFFLTE 210
>gnl|CDD|171822 PRK12938, PRK12938, acetyacetyl-CoA reductase; Provisional.
Length = 246
Score = 36.9 bits (85), Expect = 0.006
Identities = 36/127 (28%), Positives = 59/127 (46%), Gaps = 21/127 (16%)
Query: 85 LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLV---NVTAPLMLTKTMLPLLKKASEANSAA 141
++VLVNNAGI TR + + D V N+T+ +TK ++ +
Sbjct: 82 IDVLVNNAGI----TRDVVFRKMTREDWTAVIDTNLTSLFNVTKQVI---------DGMV 128
Query: 142 PLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAATRSLSIDLKGDKIIATAMHP 201
G R I+N+SS+ G Q G Y +KA ++ T SL+ ++ + + P
Sbjct: 129 ERGWGR--IINISSVNGQ---KGQFGQTNYSTAKAGIHGFTMSLAQEVATKGVTVNTVSP 183
Query: 202 GWVKTDM 208
G++ TDM
Sbjct: 184 GYIGTDM 190
>gnl|CDD|236110 PRK07831, PRK07831, short chain dehydrogenase; Provisional.
Length = 262
Score = 36.6 bits (85), Expect = 0.007
Identities = 51/182 (28%), Positives = 71/182 (39%), Gaps = 35/182 (19%)
Query: 37 RNKDKAVELLALAQQHSNLHVIELDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAA 96
R + + LA + + DVT Q D L + V + L+VLVNNAG
Sbjct: 53 RRLGETADELAAELGLGRVEAVVCDVTS-EAQVDALID--AAVERLGRLDVLVNNAG--- 106
Query: 97 KFTRLGLLKP-EQMTDH-----FLVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAI 150
LG P MTD V +T T+ L ++ A G I
Sbjct: 107 ----LGGQTPVVDMTDDEWSRVLDVTLTGTFRATRAALRYMR-------ARGHG---GVI 152
Query: 151 VNVSSIMGSIEDNTQGGFHPYRCSKAALNAATRSLSIDLK--GDKIIAT----AMHPGWV 204
VN +S++G Q G Y +KA + A TR +++ G +I A AMHP
Sbjct: 153 VNNASVLGW---RAQHGQAHYAAAKAGVMALTRCSALEAAEYGVRINAVAPSIAMHPFLA 209
Query: 205 KT 206
K
Sbjct: 210 KV 211
>gnl|CDD|236040 PRK07523, PRK07523, gluconate 5-dehydrogenase; Provisional.
Length = 255
Score = 36.3 bits (84), Expect = 0.008
Identities = 46/204 (22%), Positives = 87/204 (42%), Gaps = 25/204 (12%)
Query: 5 LITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA-LAQQHSNLHVIELDVT 63
L+TG ++G+G + + L G A + R+ K L Q + H + DVT
Sbjct: 14 LVTGSSQGIGYALAEGLAQAG----AEVILNGRDPAKLAAAAESLKGQGLSAHALAFDVT 69
Query: 64 DFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAPLM 122
D D + I + G +++LVNNAG+ + T L + F + L+
Sbjct: 70 D----HDAVRAAIDAFEAEIGPIDILVNNAGMQFR-TPL---------EDFPADAFERLL 115
Query: 123 LTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAAT 182
+T + + +A + + I+N++S+ ++ + G PY +K A+ T
Sbjct: 116 --RTNISSVFYVGQAVARHMIARGAGKIINIASVQSAL---ARPGIAPYTATKGAVGNLT 170
Query: 183 RSLSIDLKGDKIIATAMHPGWVKT 206
+ ++ D + A+ PG+ T
Sbjct: 171 KGMATDWAKHGLQCNAIAPGYFDT 194
>gnl|CDD|181077 PRK07677, PRK07677, short chain dehydrogenase; Provisional.
Length = 252
Score = 36.2 bits (84), Expect = 0.009
Identities = 25/94 (26%), Positives = 45/94 (47%), Gaps = 10/94 (10%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVEL-LALAQQHSNLHVIE 59
K ++ITG + G+G M K G A++ T R K+K E L + Q + ++
Sbjct: 1 EKVVIITGGSSGMGKAMAKRFAEEG----ANVVITGRTKEKLEEAKLEIEQFPGQVLTVQ 56
Query: 60 LDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNA 92
+DV + Q + + + + G ++ L+NNA
Sbjct: 57 MDVRNPEDVQKM----VEQIDEKFGRIDALINNA 86
>gnl|CDD|180761 PRK06935, PRK06935, 2-deoxy-D-gluconate 3-dehydrogenase;
Provisional.
Length = 258
Score = 36.3 bits (84), Expect = 0.010
Identities = 52/210 (24%), Positives = 94/210 (44%), Gaps = 32/210 (15%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATC--RNKDKAVELLALAQQHSNLHVIE 59
K ++TG N GLG G L G A I T N D+ L + ++ + ++
Sbjct: 16 KVAIVTGGNTGLGQGYAVALAKAG----ADIIITTHGTNWDETRRL--IEKEGRKVTFVQ 69
Query: 60 LDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVT 118
+D+T + V + + +++ G +++LVNNAG + L K E +N+
Sbjct: 70 VDLTKPESAEKV----VKEALEEFGKIDILVNNAGT-IRRAPLLEYKDEDWNAVMDINLN 124
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGG--FHPYRCSKA 176
+ L++ + A A GS + I+N++S++ + QGG Y SK
Sbjct: 125 SVYHLSQAV---------AKVMAKQGSGK--IINIASML-----SFQGGKFVPAYTASKH 168
Query: 177 ALNAATRSLSIDLKGDKIIATAMHPGWVKT 206
+ T++ + +L I A+ PG++KT
Sbjct: 169 GVAGLTKAFANELAAYNIQVNAIAPGYIKT 198
>gnl|CDD|181605 PRK08993, PRK08993, 2-deoxy-D-gluconate 3-dehydrogenase; Validated.
Length = 253
Score = 36.0 bits (83), Expect = 0.011
Identities = 48/226 (21%), Positives = 89/226 (39%), Gaps = 62/226 (27%)
Query: 2 KSILITGCNRGLGLGMIKVL-------VGLGNNQP----AHIFATCRNKDKAVELLA-LA 49
K ++TGC+ GLG GM L VG+ +P + A R + + L A L
Sbjct: 11 KVAVVTGCDTGLGQGMALGLAEAGCDIVGINIVEPTETIEQVTALGR---RFLSLTADLR 67
Query: 50 QQHSNLHVIELDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGI-----AAKFTRLGLL 104
+ ++E V +F +++LVNNAG+ A +F+
Sbjct: 68 KIDGIPALLERAVAEFGH-----------------IDILVNNAGLIRREDAIEFS----- 105
Query: 105 KPEQMTDHFL-VNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDN 163
E+ D + +N+ + +++ I+N++S++ +
Sbjct: 106 --EKDWDDVMNLNIKSVFFMSQAAAKHFIAQGNG----------GKIINIASML-----S 148
Query: 164 TQGGFH--PYRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTD 207
QGG Y SK+ + TR ++ + I A+ PG++ T+
Sbjct: 149 FQGGIRVPSYTASKSGVMGVTRLMANEWAKHNINVNAIAPGYMATN 194
>gnl|CDD|235736 PRK06196, PRK06196, oxidoreductase; Provisional.
Length = 315
Score = 35.8 bits (83), Expect = 0.013
Identities = 39/129 (30%), Positives = 59/129 (45%), Gaps = 20/129 (15%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K+ ++TG GLGL + L G AH+ R D A E LA + V+ LD
Sbjct: 27 KTAIVTGGYSGLGLETTRALAQAG----AHVIVPARRPDVAREALA---GIDGVEVVMLD 79
Query: 62 VTDFSKQQDVLFKDISDVVKDQG--LNVLVNNAGI-AAKFTRLGLLKPEQM-TDHF---- 113
+ D + ++ D G +++L+NNAG+ A TR+G Q T+H
Sbjct: 80 LADLES-----VRAFAERFLDSGRRIDILINNAGVMACPETRVGDGWEAQFATNHLGHFA 134
Query: 114 LVNVTAPLM 122
LVN+ P +
Sbjct: 135 LVNLLWPAL 143
>gnl|CDD|180993 PRK07478, PRK07478, short chain dehydrogenase; Provisional.
Length = 254
Score = 35.7 bits (83), Expect = 0.014
Identities = 52/235 (22%), Positives = 90/235 (38%), Gaps = 35/235 (14%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA-LAQQHSNLHVIEL 60
K +ITG + G+G K+ G A + R + + +L+A + + +
Sbjct: 7 KVAIITGASSGIGRAAAKLFAREG----AKVVVGARRQAELDQLVAEIRAEGGEAVALAG 62
Query: 61 DVTDFSKQQDVLFKDISDVVKDQ--GLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVT 118
DV D + K + + ++ GL++ NNAG + + + E + N+T
Sbjct: 63 DVRD-----EAYAKALVALAVERFGGLDIAFNNAGTLGEMGPVAEMSLEGWRETLATNLT 117
Query: 119 APLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQG--GFHPYRCSKA 176
+ + K +P + G S ++ S+ +G T G G Y SKA
Sbjct: 118 SAFLGAKHQIPAMLARG--------GGS---LIFTSTFVGH----TAGFPGMAAYAASKA 162
Query: 177 ALNAATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPLEVGAATAGIIQFIQSL 231
L T+ L+ + I A+ PG T MG A T + F+ L
Sbjct: 163 GLIGLTQVLAAEYGAQGIRVNALLPGGTDTPMG--RAM----GDTPEALAFVAGL 211
>gnl|CDD|181188 PRK07985, PRK07985, oxidoreductase; Provisional.
Length = 294
Score = 35.4 bits (81), Expect = 0.018
Identities = 36/131 (27%), Positives = 53/131 (40%), Gaps = 22/131 (16%)
Query: 84 GLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAPLMLTKTMLPLLKKASEANSAAPL 143
GL+++ AG + L EQ F +NV A LT+ +PLL K
Sbjct: 128 GLDIMALVAGKQVAIPDIADLTSEQFQKTFAINVFALFWLTQEAIPLLPKG--------- 178
Query: 144 GSSRAAIVNVSSIMGSIEDNTQGGFH--PYRCSKAALNAATRSLS--IDLKGDKIIATAM 199
A+I+ SSI Q H Y +KAA+ +R L+ + KG ++ A
Sbjct: 179 ----ASIITTSSIQA-----YQPSPHLLDYAATKAAILNYSRGLAKQVAEKGIRVNIVAP 229
Query: 200 HPGWVKTDMGG 210
P W + G
Sbjct: 230 GPIWTALQISG 240
>gnl|CDD|236399 PRK09186, PRK09186, flagellin modification protein A; Provisional.
Length = 256
Score = 35.4 bits (82), Expect = 0.020
Identities = 50/221 (22%), Positives = 88/221 (39%), Gaps = 40/221 (18%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVEL---LALAQQHSNLHVI 58
K+ILITG +G ++K ++ G + A +K+ EL L + L ++
Sbjct: 5 KTILITGAGGLIGSALVKAILEAG----GIVIAADIDKEALNELLESLGKEFKSKKLSLV 60
Query: 59 ELDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNA-----GIAAKFTRLGLLKPEQMTDH 112
ELD+TD Q+ L + +S + G ++ VN A KF + + ++
Sbjct: 61 ELDITD----QESLEEFLSKSAEKYGKIDGAVNCAYPRNKDYGKKFFDV---SLDDFNEN 113
Query: 113 FLVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMG------SIEDNTQG 166
+++ + + ++ KK N +VN+SSI G I + T
Sbjct: 114 LSLHLGSSFLFSQQFAKYFKKQGGGN-----------LVNISSIYGVVAPKFEIYEGTS- 161
Query: 167 GFHP--YRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVK 205
P Y KA + T+ L+ K I + PG +
Sbjct: 162 MTSPVEYAAIKAGIIHLTKYLAKYFKDSNIRVNCVSPGGIL 202
>gnl|CDD|181139 PRK07832, PRK07832, short chain dehydrogenase; Provisional.
Length = 272
Score = 35.4 bits (82), Expect = 0.020
Identities = 59/216 (27%), Positives = 90/216 (41%), Gaps = 37/216 (17%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIE-- 59
K +TG G+G L G A +F T R+ D + +A A+ V E
Sbjct: 1 KRCFVTGAASGIGRATALRLAAQG----AELFLTDRDADGLAQTVADARA-LGGTVPEHR 55
Query: 60 -LDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFT--RLGLLKPEQMTDHFLV 115
LD++D+ F D+ G ++V++N AGI+A T RL + +M D V
Sbjct: 56 ALDISDY--DAVAAFAA--DIHAAHGSMDVVMNIAGISAWGTVDRLTHEQWRRMVD---V 108
Query: 116 NVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGG--FH-PYR 172
N+ P+ + +T +P + A +VNVSS G + +H Y
Sbjct: 109 NLMGPIHVIETFVPPMVAAGR----------GGHLVNVSSAAGLV------ALPWHAAYS 152
Query: 173 CSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
SK L + L DL I + + PG VKT +
Sbjct: 153 ASKFGLRGLSEVLRFDLARHGIGVSVVVPGAVKTPL 188
>gnl|CDD|223696 COG0623, FabI, Enoyl-[acyl-carrier-protein].
Length = 259
Score = 34.1 bits (79), Expect = 0.040
Identities = 54/219 (24%), Positives = 86/219 (39%), Gaps = 46/219 (21%)
Query: 2 KSILITGC--NRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIE 59
K ILI G NR + G+ K L Q A + T + + + LA++ + V+
Sbjct: 7 KRILIMGVANNRSIAWGIAKAL----AEQGAELAFTYQGERLEKRVEELAEELGSDLVLP 62
Query: 60 LDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFL----- 114
DVT+ + D LF I L+ LV++ A K E++ +L
Sbjct: 63 CDVTN-DESIDALFATIKKKWG--KLDGLVHSIAFAPK---------EELKGDYLDTSRE 110
Query: 115 -------VNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGG 167
++ + L K PL+ + LGS R V ++MG
Sbjct: 111 GFLIAMDISAYSFTALAKAARPLMNNGGSILTLTYLGSERV--VPNYNVMGV-------- 160
Query: 168 FHPYRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKT 206
+KAAL A+ R L+ DL + I A+ G ++T
Sbjct: 161 ------AKAALEASVRYLAADLGKEGIRVNAISAGPIRT 193
>gnl|CDD|180723 PRK06841, PRK06841, short chain dehydrogenase; Provisional.
Length = 255
Score = 33.9 bits (78), Expect = 0.050
Identities = 46/214 (21%), Positives = 89/214 (41%), Gaps = 36/214 (16%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
K ++TG G+G + ++ G A + R++D V +A N + D
Sbjct: 16 KVAVVTGGASGIGHAIAELFAAKG----ARVALLDRSED--VAEVAAQLLGGNAKGLVCD 69
Query: 62 VTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMT----DHFL-V 115
V+D + ++ V+ G +++LVN+AG+A L E ++ D + +
Sbjct: 70 VSDSQSVEAA----VAAVISAFGRIDILVNSAGVAL------LAPAEDVSEEDWDKTIDI 119
Query: 116 NVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSK 175
N+ ++ + + + A G + IVN++S G + Y SK
Sbjct: 120 NLKGSFLMAQAVGRHMIAA---------GGGK--IVNLASQAGVVALE---RHVAYCASK 165
Query: 176 AALNAATRSLSIDLKGDKIIATAMHPGWVKTDMG 209
A + T+ L+++ I A+ P V T++G
Sbjct: 166 AGVVGMTKVLALEWGPYGITVNAISPTVVLTELG 199
>gnl|CDD|181080 PRK07680, PRK07680, late competence protein ComER; Validated.
Length = 273
Score = 33.8 bits (78), Expect = 0.061
Identities = 19/98 (19%), Positives = 39/98 (39%), Gaps = 30/98 (30%)
Query: 28 QPAHIFATCRNKDKAVELLALAQQHSNLHVIELDVTDFSKQQDVLF-----KDISDVVKD 82
+P+ + T R KA + +++ +HV + + + Q D++F DI +++
Sbjct: 26 KPSQLTITNRTPAKA---YHIKERYPGIHVAK-TIEEVISQSDLIFICVKPLDIYPLLQK 81
Query: 83 QGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAP 120
L P +H LV++T+P
Sbjct: 82 ---------------------LAPHLTDEHCLVSITSP 98
>gnl|CDD|215769 pfam00175, NAD_binding_1, Oxidoreductase NAD-binding domain.
Xanthine dehydrogenases, that also bind FAD/NAD, have
essentially no similarity.
Length = 106
Score = 31.9 bits (73), Expect = 0.090
Identities = 15/77 (19%), Positives = 30/77 (38%), Gaps = 9/77 (11%)
Query: 15 LGMIKVLVGLGNNQPAHIFATCRNKDKAV---ELLALAQQHSNLHVIELDVTDFSKQ--- 68
++K L+ + ++ R +D + EL LA+++ NL V+ + TD
Sbjct: 12 YSVLKALLEDEDGTEVYLVYGNRTEDDLLLREELEELAKKYPNLKVVAVSRTDDGWYGRK 71
Query: 69 ---QDVLFKDISDVVKD 82
D L ++
Sbjct: 72 GYVTDALLEEHLSEDLG 88
>gnl|CDD|181416 PRK08415, PRK08415, enoyl-(acyl carrier protein) reductase;
Provisional.
Length = 274
Score = 33.2 bits (76), Expect = 0.095
Identities = 25/92 (27%), Positives = 44/92 (47%), Gaps = 16/92 (17%)
Query: 115 VNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCS 174
++V + + LT+ +LPLL + + + LG + V ++MG +
Sbjct: 117 ISVYSLIELTRALLPLLNDGASVLTLSYLGGVK--YVPHYNVMG--------------VA 160
Query: 175 KAALNAATRSLSIDLKGDKIIATAMHPGWVKT 206
KAAL ++ R L++DL I A+ G +KT
Sbjct: 161 KAALESSVRYLAVDLGKKGIRVNAISAGPIKT 192
>gnl|CDD|99813 cd06217, FNR_iron_sulfur_binding_3, Iron-sulfur binding ferredoxin
reductase (FNR) proteins combine the FAD and NAD(P)
binding regions of FNR with an iron-sulfur binding
cluster domain. Ferredoxin-NADP+ (oxido)reductase is an
FAD-containing enzyme that catalyzes the reversible
electron transfer between NADP(H) and electron carrier
proteins such as ferredoxin and flavodoxin. Isoforms of
these flavoproteins (i.e. having a non-covalently bound
FAD as a prosthetic group) are present in chloroplasts,
mitochondria, and bacteria in which they participate in
a wide variety of redox metabolic pathways. The
C-terminal domain contains most of the NADP(H) binding
residues and the N-terminal domain interacts
non-covalently with the isoalloxazine rings of the
flavin molecule which lies largely in a large gap
between the two domains. Ferredoxin-NADP+ reductase
first accepts one electron from reduced ferredoxin to
form a flavin semiquinone intermediate. The enzyme then
accepts a second electron to form FADH2 which then
transfers two electrons and a proton to NADP+ to form
NADPH.
Length = 235
Score = 33.0 bits (76), Expect = 0.095
Identities = 15/46 (32%), Positives = 23/46 (50%), Gaps = 3/46 (6%)
Query: 15 LGMIKVLVGLGNNQPAHIFATCRNKDKAV---ELLALAQQHSNLHV 57
+ MI+ LG P + + R + + EL LA++H NLHV
Sbjct: 123 MSMIRYRRDLGWPVPFRLLYSARTAEDVIFRDELEQLARRHPNLHV 168
>gnl|CDD|223528 COG0451, WcaG, Nucleoside-diphosphate-sugar epimerases [Cell
envelope biogenesis, outer membrane / Carbohydrate
transport and metabolism].
Length = 314
Score = 33.4 bits (76), Expect = 0.097
Identities = 37/197 (18%), Positives = 69/197 (35%), Gaps = 34/197 (17%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
IL+TG +G +++ L+ G+ + R +D LL S + + LD
Sbjct: 1 MRILVTGGAGFIGSHLVERLLAAGH----DVRGLDRLRDGLDPLL------SGVEFVVLD 50
Query: 62 VTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAPL 121
+TD + L K + D V ++ A ++ + + VNV
Sbjct: 51 LTDRDLVDE-LAKGVPDAV--------IHLAAQSS----VPDSNASDPAEFLDVNVDG-- 95
Query: 122 MLTKTMLPLLKKASEANSAAPLG--SSRAAI-VNVSSIMGSIEDNTQGGFHPYRCSKAAL 178
T +L +A+ A SS + + + + + +PY SK A
Sbjct: 96 --TLNLL----EAARAAGVKRFVFASSVSVVYGDPPPLPIDEDLGPPRPLNPYGVSKLAA 149
Query: 179 NAATRSLSIDLKGDKII 195
R+ + +I
Sbjct: 150 EQLLRAYARLYGLPVVI 166
>gnl|CDD|135631 PRK05867, PRK05867, short chain dehydrogenase; Provisional.
Length = 253
Score = 32.7 bits (74), Expect = 0.12
Identities = 52/211 (24%), Positives = 96/211 (45%), Gaps = 26/211 (12%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA--LAQQHSNLHVIE 59
K LITG + G+G + V G A + R+ D A+E LA + + +
Sbjct: 10 KRALITGASTGIGKRVALAYVEAG----AQVAIAARHLD-ALEKLADEIGTSGGKVVPVC 64
Query: 60 LDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPE--QMTDHFLVNV 117
DV+ + +L + +++ G+++ V NAGI L + E ++ + NV
Sbjct: 65 CDVSQHQQVTSMLDQVTAEL---GGIDIAVCNAGIITVTPMLDMPLEEFQRLQN---TNV 118
Query: 118 TAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAA 177
T + + A++A G I+N +S+ G I + Q H Y SKAA
Sbjct: 119 TGVFLTAQA-------AAKAMVKQGQG---GVIINTASMSGHIINVPQQVSH-YCASKAA 167
Query: 178 LNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
+ T++++++L KI ++ PG++ T++
Sbjct: 168 VIHLTKAMAVELAPHKIRVNSVSPGYILTEL 198
>gnl|CDD|177654 PLN00015, PLN00015, protochlorophyllide reductase.
Length = 308
Score = 32.8 bits (75), Expect = 0.12
Identities = 49/175 (28%), Positives = 68/175 (38%), Gaps = 48/175 (27%)
Query: 5 LITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKA-VELLALAQQHSNLHVIELDVT 63
+ITG + GLGL K L G H+ CR+ KA + + V+ LD+
Sbjct: 1 IITGASSGLGLATAKALAETGK---WHVVMACRDFLKAERAAKSAGMPKDSYTVMHLDLA 57
Query: 64 DFSKQQDVLFKDISDVVKDQG--LNVLVNNAGI---AAK---FTRLGLLKPEQMT----- 110
V + D + G L+VLV NA + AK FT G +++
Sbjct: 58 SL---DSV--RQFVDNFRRSGRPLDVLVCNAAVYLPTAKEPTFTADGF----ELSVGTNH 108
Query: 111 -DHFLVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNT 164
HFL L++ +L LKK + S R IV GSI NT
Sbjct: 109 LGHFL--------LSRLLLDDLKK-------SDYPSKRLIIV------GSITGNT 142
>gnl|CDD|180818 PRK07062, PRK07062, short chain dehydrogenase; Provisional.
Length = 265
Score = 32.3 bits (74), Expect = 0.17
Identities = 44/199 (22%), Positives = 85/199 (42%), Gaps = 37/199 (18%)
Query: 5 LITGCNRGLGLGMIKVLVGLGNNQPAHIFATC-RNKDKAVELLALAQQHSNLHVIELDVT 63
++TG + G+GL +++L+ G + A C R++++ LA + L
Sbjct: 12 VVTGGSSGIGLATVELLLEAGAS-----VAICGRDEER------LASAEARLREKFPGAR 60
Query: 64 DFSKQQDVLFKD----ISDVVKDQ--GLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNV 117
+ + DVL + + V+ + G+++LVNNAG + + + D +
Sbjct: 61 LLAARCDVLDEADVAAFAAAVEARFGGVDMLVNNAG-QGRVSTFADTTDDAWRDELELKY 119
Query: 118 TAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCS--K 175
+ + T+ LPLL+ S+ A+IV V+S++ Q H S +
Sbjct: 120 FSVINPTRAFLPLLRA-----------SAAASIVCVNSLLAL-----QPEPHMVATSAAR 163
Query: 176 AALNAATRSLSIDLKGDKI 194
A L +SL+ +L +
Sbjct: 164 AGLLNLVKSLATELAPKGV 182
>gnl|CDD|200089 TIGR01289, LPOR, light-dependent protochlorophyllide reductase.
This model represents the light-dependent,
NADPH-dependent form of protochlorophyllide reductase.
It belongs to the short chain alcohol dehydrogenase
family, in contrast to the nitrogenase-related
light-independent form [Biosynthesis of cofactors,
prosthetic groups, and carriers, Chlorophyll and
bacteriochlorphyll].
Length = 314
Score = 32.5 bits (74), Expect = 0.19
Identities = 15/40 (37%), Positives = 21/40 (52%), Gaps = 3/40 (7%)
Query: 3 SILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKA 42
+++ITG + GLGL K L G H+ CR+ KA
Sbjct: 5 TVIITGASSGLGLYAAKALAATGE---WHVIMACRDFLKA 41
>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 = 32.2 bits (73), Expect = 0.20
Identities = 37/130 (28%), Positives = 54/130 (41%), Gaps = 24/130 (18%)
Query: 86 NVLVNNAGIAAKFTRLGLLKPE-------------QMTDHFLVNVTAPLMLTKTMLPLLK 132
+VLVNNA + F LL+ + Q+ + F N AP L K
Sbjct: 86 DVLVNNA---SAFYPTPLLRGDAGEGVGDKKSLEVQVAELFGSNAIAPYFLIKAF----- 137
Query: 133 KASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAATRSLSIDLKGD 192
+A + A S+ +IVN+ M D GF Y +K AL TRS +++L
Sbjct: 138 AQRQAGTRAEQRSTNLSIVNLCDAM---TDQPLLGFTMYTMAKHALEGLTRSAALELAPL 194
Query: 193 KIIATAMHPG 202
+I + PG
Sbjct: 195 QIRVNGVAPG 204
>gnl|CDD|235910 PRK07024, PRK07024, short chain dehydrogenase; Provisional.
Length = 257
Score = 32.2 bits (74), Expect = 0.21
Identities = 43/179 (24%), Positives = 69/179 (38%), Gaps = 36/179 (20%)
Query: 41 KAVELLALAQQHSNL---HVIELDVTDFSKQQDVLFKDISDVVKDQGL-NVLVNNAGIAA 96
+ L A A + V DV D D L +D + GL +V++ NAGI+
Sbjct: 35 RTDALQAFAARLPKAARVSVYAADVRD----ADALAAAAADFIAAHGLPDVVIANAGISV 90
Query: 97 KFTRLGLLKPEQ-----MTDHFLVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIV 151
G L E+ + N M+ T P + A + R +V
Sbjct: 91 -----GTLTEEREDLAVFREVMDTNYFG--MVA-TFQPFI--------APMRAARRGTLV 134
Query: 152 NVSSIMGSIEDNTQG--GFHPYRCSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
++S+ G +G G Y SKAA SL ++L+ + + PG+++T M
Sbjct: 135 GIASVAG-----VRGLPGAGAYSASKAAAIKYLESLRVELRPAGVRVVTIAPGYIRTPM 188
>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 = 31.7 bits (73), Expect = 0.23
Identities = 17/66 (25%), Positives = 29/66 (43%), Gaps = 7/66 (10%)
Query: 3 SILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNK----DKAVELLALAQQHSNLHVI 58
+ L+TG GLGL + + L G H+ R+ + L L + + + V+
Sbjct: 2 TYLVTGGLGGLGLELARWLAERGA---RHLVLLSRSGAPDPEAEALLAELEARGAEVTVV 58
Query: 59 ELDVTD 64
DV+D
Sbjct: 59 ACDVSD 64
>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 = 31.7 bits (72), Expect = 0.32
Identities = 50/215 (23%), Positives = 88/215 (40%), Gaps = 25/215 (11%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA-LAQQHSNLHVIEL 60
K +ITG LG M + L G A + A RN++K ++ + +
Sbjct: 6 KVAVITGGTGVLGGAMARALAQAG----AKVAALGRNQEKGDKVAKEITALGGRAIALAA 61
Query: 61 DVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAG--IAAKFTRLGLLKPEQMTDHFLVNV 117
DV D + L + ++V G +++L+N AG T +PE + F ++
Sbjct: 62 DVLD----RASLERAREEIVAQFGTVDILINGAGGNHPDATTDPEHYEPETEQNFFDLDE 117
Query: 118 TA-----PLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYR 172
L L + LP S+ L +I+N+SS M + T+ Y
Sbjct: 118 EGWEFVFDLNLNGSFLP-----SQVFGKDMLEQKGGSIINISS-MNAFSPLTK--VPAYS 169
Query: 173 CSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTD 207
+KAA++ T+ L+++ + A+ PG+ T
Sbjct: 170 AAKAAVSNFTQWLAVEFATTGVRVNAIAPGFFVTP 204
>gnl|CDD|236142 PRK08051, fre, FMN reductase; Validated.
Length = 232
Score = 31.4 bits (72), Expect = 0.37
Identities = 19/62 (30%), Positives = 29/62 (46%), Gaps = 10/62 (16%)
Query: 4 ILITGCNRGLGLG----MIKVLVGLGNNQPAHIFATCRNKDK---AVELLALAQQHSNLH 56
+LI G G G ++ + G N+P ++ R +D EL ALA +H NLH
Sbjct: 106 LLIAG---GTGFSYARSILLTALAQGPNRPITLYWGGREEDHLYDLDELEALALKHPNLH 162
Query: 57 VI 58
+
Sbjct: 163 FV 164
>gnl|CDD|180371 PRK06057, PRK06057, short chain dehydrogenase; Provisional.
Length = 255
Score = 30.9 bits (70), Expect = 0.47
Identities = 52/212 (24%), Positives = 83/212 (39%), Gaps = 37/212 (17%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
+ +ITG G+GL + L G A + + D A A + L V D
Sbjct: 8 RVAVITGGGSGIGLATARRLAAEG----ATV--VVGDIDPEAGK-AAADEVGGLFV-PTD 59
Query: 62 VTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIA----AKFTRLGLLKPEQMTDHFLVNV 117
VTD + LF ++ +++ NNAGI+ GL +++ D VN+
Sbjct: 60 VTD-EDAVNALFDTAAETYG--SVDIAFNNAGISPPEDDSILNTGLDAWQRVQD---VNL 113
Query: 118 TAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSS---IMGSIEDNTQGGFHPYRCS 174
T+ + K LP + + + +I+N +S +MGS Y S
Sbjct: 114 TSVYLCCKAALPHMVRQG-----------KGSIINTASFVAVMGSATSQIS-----YTAS 157
Query: 175 KAALNAATRSLSIDLKGDKIIATAMHPGWVKT 206
K + A +R L + I A+ PG V T
Sbjct: 158 KGGVLAMSRELGVQFARQGIRVNALCPGPVNT 189
>gnl|CDD|181349 PRK08278, PRK08278, short chain dehydrogenase; Provisional.
Length = 273
Score = 30.6 bits (70), Expect = 0.65
Identities = 15/57 (26%), Positives = 26/57 (45%), Gaps = 7/57 (12%)
Query: 84 GLNVLVNNAGIAAKFTRLGLLKPEQ---MTDHFLVNVTAPLMLTKTMLPLLKKASEA 137
G+++ VNNA A T ++ M +NV ++++ LP LKK+
Sbjct: 90 GIDICVNNAS-AINLTGTEDTPMKRFDLMQQ---INVRGTFLVSQACLPHLKKSENP 142
>gnl|CDD|187658 cd08955, KR_2_FAS_SDR_x, beta-ketoacyl reductase (KR) domain of
fatty acid synthase (FAS), subgroup 2, complex (x).
Ketoreductase, a module of the multidomain polyketide
synthase, has 2 subdomains, each corresponding to a
short-chain dehydrogenases/reductase (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 oligomerizes but is composed of 2
subdomains, each resembling an SDR monomer. In some
instances, as in porcine FAS, an enoyl reductase (a
Rossman fold NAD binding domain of the MDR family)
module is inserted between the sub-domains. The active
site resembles that of typical SDRs, except that the
usual positions of the catalytic asparagine and tyrosine
are swapped, so that the canonical YXXXK motif changes
to YXXXN. Modular polyketide synthases are
multifunctional structures in which the makeup
recapitulates that found in (and may have evolved from)
fatty acid synthase. In some instances, such as
porcine FAS , an enoyl reductase 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 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).
Polyketide syntheses 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 the KR domain of the
Lyngbya majuscule Jam J, -K, and #L which are encoded
on the jam gene cluster and are involved in the
synthesis of the Jamaicamides (neurotoxins); Lyngbya
majuscule Jam P belongs to a different KR_FAS_SDR_x
subfamily. 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 = 376
Score = 30.7 bits (70), Expect = 0.71
Identities = 21/73 (28%), Positives = 31/73 (42%), Gaps = 6/73 (8%)
Query: 3 SILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNK---DKAVELLALAQQHSNLHVIE 59
+ LITG GLGL + + LV G H+ T R + AL + + + V+
Sbjct: 151 TYLITGGLGGLGLLVAEWLVERG---ARHLVLTGRRAPSAAARQAIAALEEAGAEVVVLA 207
Query: 60 LDVTDFSKQQDVL 72
DV+D L
Sbjct: 208 ADVSDRDALAAAL 220
>gnl|CDD|187633 cd08928, KR_fFAS_like_SDR_c_like, ketoacyl reductase (KR) domain of
fungal-type fatty acid synthase (fFAS)-like, classical
(c)-like SDRs. KR domain of FAS, including the
fungal-type multidomain FAS alpha chain, and the single
domain daunorubicin C-13 ketoreductase. Fungal-type FAS
is a heterododecameric FAS composed of alpha and beta
multifunctional polypeptide chains. The KR, an SDR
family member is located centrally in the alpha chain.
KR catalyzes the NADP-dependent reduction of
ketoacyl-ACP to hydroxyacyl-ACP. KR shares the critical
active site Tyr of the classical SDR and has partial
identity of the active site tetrad, but the upstream Asn
is replaced in KR by Met. As in other SDRs, there is a
glycine rich NAD(P)-binding motif, but the pattern found
in KR does not match the classical SDRs, and is not
strictly conserved within this group. Daunorubicin is a
clinically important therapeutic compound used in some
cancer treatments. Single domain 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 = 248
Score = 30.3 bits (68), Expect = 0.84
Identities = 18/100 (18%), Positives = 32/100 (32%), Gaps = 4/100 (4%)
Query: 115 VNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCS 174
+ A ++ +L + A ++ + S T G Y S
Sbjct: 108 KSEVAHRIMLTNLLRPKGLVKIQKQLRGQETRPAQVI----LPFSPNHGTFGDDGAYSES 163
Query: 175 KAALNAATRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAP 214
K L + + G+ + H GW + +GG AP
Sbjct: 164 KLHLETLFNRWASESWGNDLTVCGAHIGWTRGTLGGEAAP 203
>gnl|CDD|181126 PRK07806, PRK07806, short chain dehydrogenase; Provisional.
Length = 248
Score = 30.1 bits (68), Expect = 0.84
Identities = 26/95 (27%), Positives = 41/95 (43%), Gaps = 13/95 (13%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIEL- 60
K+ L+TG +RG+G K+L G G AH+ R K + + + +
Sbjct: 7 KTALVTGSSRGIGADTAKILAGAG----AHVVVNYRQKAPRANKVVAEIEAAGGRASAVG 62
Query: 61 -DVTDFSKQQDV--LFKDISDVVKDQGLNVLVNNA 92
D+TD ++ V L + GL+ LV NA
Sbjct: 63 ADLTD---EESVAALMDTAREEF--GGLDALVLNA 92
>gnl|CDD|184025 PRK13394, PRK13394, 3-hydroxybutyrate dehydrogenase; Provisional.
Length = 262
Score = 30.2 bits (68), Expect = 0.95
Identities = 44/209 (21%), Positives = 79/209 (37%), Gaps = 28/209 (13%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHV-IEL 60
K+ ++TG G+G + L G A + N+D A + + + + +
Sbjct: 8 KTAVVTGAASGIGKEIALELARAG----AAVAIADLNQDGANAVADEINKAGGKAIGVAM 63
Query: 61 DVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGI--AAKFTRLGLLKPEQMTDHFLVNV 117
DVT+ +D + I V + G +++LV+NAGI ++M ++V
Sbjct: 64 DVTN----EDAVNAGIDKVAERFGSVDILVSNAGIQIVNPIENYSFADWKKMQ---AIHV 116
Query: 118 TAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAA 177
+ TK L + K +GS V S S Y +K
Sbjct: 117 DGAFLTTKAALKHMYKDDRGGVVIYMGS-------VHSHEAS------PLKSAYVTAKHG 163
Query: 178 LNAATRSLSIDLKGDKIIATAMHPGWVKT 206
L R L+ + + + + PG+V+T
Sbjct: 164 LLGLARVLAKEGAKHNVRSHVVCPGFVRT 192
>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 = 30.2 bits (68), Expect = 0.97
Identities = 48/216 (22%), Positives = 79/216 (36%), Gaps = 36/216 (16%)
Query: 2 KSILITGCNRGLGL---------GMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQH 52
K +LITG GLGL G LV L A E+L
Sbjct: 4 KVVLITGGGSGLGLATAVRLAKEGAKLSLVDLNEEGLEAAKAALLEIAPDAEVL------ 57
Query: 53 SNLHVIELDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDH 112
+I+ DV+D ++ + + + + G NNAGI K ++
Sbjct: 58 ----LIKADVSDEAQVEAYVDATVEQFGRIDGF---FNNAGIEGKQNLTEDFGADEFDKV 110
Query: 113 FLVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYR 172
+N+ + +L ++++ GS IVN +S+ G Q G Y
Sbjct: 111 VSINLRGVFYGLEKVLKVMREQ---------GSGM--IVNTASVGGIRGVGNQSG---YA 156
Query: 173 CSKAALNAATRSLSIDLKGDKIIATAMHPGWVKTDM 208
+K + TR+ +++ I A+ PG + T M
Sbjct: 157 AAKHGVVGLTRNSAVEYGQYGIRINAIAPGAILTPM 192
>gnl|CDD|223422 COG0345, ProC, Pyrroline-5-carboxylate reductase [Amino acid
transport and metabolism].
Length = 266
Score = 29.9 bits (68), Expect = 0.98
Identities = 20/87 (22%), Positives = 35/87 (40%), Gaps = 11/87 (12%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIEL 60
M I G +G ++ L+ G P I T R+++K L A V
Sbjct: 1 MMKIGFIGAGN-MGEAILSGLLKSGALPPEEIIVTNRSEEKRAALAAEYGV-----VTTT 54
Query: 61 DVTDFSKQQDVLF-----KDISDVVKD 82
D + ++ DV+F +D+ +V+
Sbjct: 55 DNQEAVEEADVVFLAVKPQDLEEVLSK 81
>gnl|CDD|177895 PLN02253, PLN02253, xanthoxin dehydrogenase.
Length = 280
Score = 29.8 bits (67), Expect = 1.1
Identities = 36/135 (26%), Positives = 57/135 (42%), Gaps = 23/135 (17%)
Query: 85 LNVLVNNAGIA-AKFTRLGLLKPEQMTDHFLVNVTAPLMLTK----TMLPLLKKASEANS 139
L+++VNNAG+ + ++ + F VNV + K M+PL K S
Sbjct: 95 LDIMVNNAGLTGPPCPDIRNVELSEFEKVFDVNVKGVFLGMKHAARIMIPLKK-----GS 149
Query: 140 AAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAATRSLSIDLKGDKIIATAM 199
L S V+S +G + G H Y SK A+ TRS++ +L I +
Sbjct: 150 IVSLCS-------VASAIGGL------GPHAYTGSKHAVLGLTRSVAAELGKHGIRVNCV 196
Query: 200 HPGWVKTDMGGSNAP 214
P V T + ++ P
Sbjct: 197 SPYAVPTALALAHLP 211
>gnl|CDD|181020 PRK07533, PRK07533, enoyl-(acyl carrier protein) reductase;
Provisional.
Length = 258
Score = 29.5 bits (67), Expect = 1.2
Identities = 13/32 (40%), Positives = 19/32 (59%)
Query: 175 KAALNAATRSLSIDLKGDKIIATAMHPGWVKT 206
KAAL ++ R L+ +L I A+ PG +KT
Sbjct: 166 KAALESSVRYLAAELGPKGIRVHAISPGPLKT 197
>gnl|CDD|181260 PRK08159, PRK08159, enoyl-(acyl carrier protein) reductase;
Provisional.
Length = 272
Score = 29.7 bits (67), Expect = 1.3
Identities = 13/33 (39%), Positives = 20/33 (60%)
Query: 174 SKAALNAATRSLSIDLKGDKIIATAMHPGWVKT 206
+KAAL A+ + L++DL I A+ G +KT
Sbjct: 165 AKAALEASVKYLAVDLGPKNIRVNAISAGPIKT 197
>gnl|CDD|226582 COG4097, COG4097, Predicted ferric reductase [Inorganic ion
transport and metabolism].
Length = 438
Score = 29.8 bits (67), Expect = 1.4
Identities = 18/49 (36%), Positives = 28/49 (57%), Gaps = 5/49 (10%)
Query: 29 PAHIFATCRNKDKAV---ELLALAQQHSN--LHVIELDVTDFSKQQDVL 72
P H+F RN ++A+ EL ALAQ+ N LH+I+ + Q+D+
Sbjct: 345 PVHLFYCSRNWEEALYAEELRALAQKLPNVVLHIIDSSKDGYLDQEDLE 393
>gnl|CDD|213319 cd05972, MACS_like, Medium-chain acyl-CoA synthetase (MACS or
ACSM). MACS catalyzes the two-step activation of medium
chain fatty acids (containing 4-12 carbons). The
carboxylate substrate first reacts with ATP to form an
acyl-adenylate intermediate, which then reacts with CoA
to produce an acyl-CoA ester. The acyl-CoA is a key
intermediate in many important biosynthetic and
catabolic processes.
Length = 430
Score = 29.6 bits (67), Expect = 1.5
Identities = 14/40 (35%), Positives = 19/40 (47%)
Query: 182 TRSLSIDLKGDKIIATAMHPGWVKTDMGGSNAPLEVGAAT 221
T + +DL+ D + T PGW K AP +GAA
Sbjct: 112 TGAYWLDLRPDDLHWTIADPGWAKGAWSSLFAPWLLGAAV 151
>gnl|CDD|176229 cd08268, MDR2, Medium chain dehydrogenases/reductase
(MDR)/zinc-dependent alcohol dehydrogenase-like family.
This group is a member of the medium chain
dehydrogenases/reductase (MDR)/zinc-dependent alcohol
dehydrogenase-like family, but lacks the zinc-binding
sites of the zinc-dependent alcohol dehydrogenases. The
medium chain dehydrogenases/reductase
(MDR)/zinc-dependent alcohol dehydrogenase-like family,
which contains the zinc-dependent alcohol dehydrogenase
(ADH-Zn) and related proteins, is a diverse group of
proteins related to the first identified member, class I
mammalian ADH. MDRs display a broad range of activities
and are distinguished from the smaller short chain
dehydrogenases (~ 250 amino acids vs. the ~ 350 amino
acids of the MDR). The MDR proteins have 2 domains: a
C-terminal NAD(P)-binding Rossmann fold domain of a
beta-alpha form and an N-terminal catalytic domain with
distant homology to GroES. The MDR group contains a
host of activities, including the founding alcohol
dehydrogenase (ADH), quinone reductase, sorbitol
dehydrogenase, formaldehyde dehydrogenase, butanediol
DH, ketose reductase, cinnamyl reductase, and numerous
others. The zinc-dependent alcohol dehydrogenases (ADHs)
catalyze the NAD(P)(H)-dependent interconversion of
alcohols to aldehydes or ketones. Active site zinc has
a catalytic role, while structural zinc aids in
stability. ADH-like proteins typically form dimers
(typically higher plants, mammals) or tetramers (yeast,
bacteria), and generally have 2 tightly bound zinc atoms
per subunit. The active site zinc is coordinated by a
histidine, two cysteines, and a water molecule. The
second zinc seems to play a structural role, affects
subunit interactions, and is typically coordinated by 4
cysteines.
Length = 328
Score = 29.5 bits (67), Expect = 1.6
Identities = 22/66 (33%), Positives = 30/66 (45%), Gaps = 8/66 (12%)
Query: 3 SILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELDV 62
S+LIT + +GL I++ G A + AT R +K LLAL HVI D
Sbjct: 147 SVLITAASSSVGLAAIQIANAAG----ATVIATTRTSEKRDALLALGAA----HVIVTDE 198
Query: 63 TDFSKQ 68
D +
Sbjct: 199 EDLVAE 204
>gnl|CDD|169390 PRK08340, PRK08340, glucose-1-dehydrogenase; Provisional.
Length = 259
Score = 28.6 bits (64), Expect = 2.4
Identities = 24/98 (24%), Positives = 51/98 (52%), Gaps = 23/98 (23%)
Query: 4 ILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKD---KAVELLALAQQHSNLHVIEL 60
+L+T +RG+G + + L+ G A + + RN++ KA++ L ++ ++ ++
Sbjct: 3 VLVTASSRGIGFNVARELLKKG----ARVVISSRNEENLEKALKELK---EYGEVYAVKA 55
Query: 61 DVTDFSKQQDVLFKDISDVVKDQ-----GLNVLVNNAG 93
D++D D+ ++VK+ G++ LV NAG
Sbjct: 56 DLSD--------KDDLKNLVKEAWELLGGIDALVWNAG 85
>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 = 28.9 bits (65), Expect = 2.4
Identities = 28/122 (22%), Positives = 45/122 (36%), Gaps = 18/122 (14%)
Query: 5 LITGCNRGLGLGMIKVLVGLGNNQPA-HIFATCRNKDKAV---ELLALAQQHSNLHVIEL 60
LITG GLGL + + L G A H+ R L + + V+
Sbjct: 154 LITGGLGGLGLLVARWLAARG----ARHLVLLSRRGPAPRAAARAALLRAGGARVSVVRC 209
Query: 61 DVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNVTAP 120
DVTD L ++++ L +++ AG+ LL ++T V A
Sbjct: 210 DVTD----PAALAALLAELAAGGPLAGVIHAAGVLRD----ALL--AELTPAAFAAVLAA 259
Query: 121 LM 122
+
Sbjct: 260 KV 261
>gnl|CDD|235527 PRK05599, PRK05599, hypothetical protein; Provisional.
Length = 246
Score = 28.7 bits (64), Expect = 2.5
Identities = 24/75 (32%), Positives = 34/75 (45%), Gaps = 5/75 (6%)
Query: 145 SSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAATRSLSIDLKGDKIIATAMHPGWV 204
++ AAIV SSI G + Y +KA L+A + L+ L G + PG+V
Sbjct: 127 TAPAAIVAFSSIAGWRARRAN---YVYGSTKAGLDAFCQGLADSLHGSHVRLIIARPGFV 183
Query: 205 KTDM--GGSNAPLEV 217
M G AP+ V
Sbjct: 184 IGSMTTGMKPAPMSV 198
>gnl|CDD|235694 PRK06079, PRK06079, enoyl-(acyl carrier protein) reductase;
Provisional.
Length = 252
Score = 28.5 bits (64), Expect = 2.8
Identities = 25/78 (32%), Positives = 34/78 (43%), Gaps = 16/78 (20%)
Query: 129 PLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRCSKAALNAATRSLSID 188
PLL + + GS RA I N + +MG +KAAL ++ R L+ D
Sbjct: 131 PLLNPGASIVTLTYFGSERA-IPNYN-VMG--------------IAKAALESSVRYLARD 174
Query: 189 LKGDKIIATAMHPGWVKT 206
L I A+ G VKT
Sbjct: 175 LGKKGIRVNAISAGAVKT 192
>gnl|CDD|205801 pfam13623, SurA_N_2, SurA N-terminal domain. This domain is found
at the N-terminus of the chaperone SurA. It is a helical
domain of unknown function. The C-terminus of the SurA
protein folds back and forms part of this domain also
but is not included in the current alignment.
Length = 145
Score = 27.9 bits (62), Expect = 2.9
Identities = 20/79 (25%), Positives = 29/79 (36%), Gaps = 1/79 (1%)
Query: 49 AQQHSNLHVIELDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQ 108
Q L + F+ +D L D + VKD + VNN I A +LGL +
Sbjct: 51 VQDFQKLVDEYTEAIKFTMGRDNL-NDELNQVKDAVWDQYVNNKLIEADAKKLGLTVTKL 109
Query: 109 MTDHFLVNVTAPLMLTKTM 127
L T P++
Sbjct: 110 ELQSVLNEGTNPMLFQTPF 128
>gnl|CDD|216886 pfam02123, RdRP_4, Viral RNA-directed RNA-polymerase. This family
includes RNA-dependent RNA polymerase proteins (RdRPs)
from Luteovirus, Totivirus and Rotavirus.
Length = 421
Score = 28.1 bits (63), Expect = 4.1
Identities = 11/55 (20%), Positives = 22/55 (40%), Gaps = 5/55 (9%)
Query: 48 LAQQHSNLHVIELDVTDFSKQQDV-LFKDISDVVKDQGLNVLVNNAGIAAKFTRL 101
LA +H + D +DF+ Q L +D+ + ++ L +A +
Sbjct: 245 LAGKHRGGVALMTDYSDFNSQHSWELMRDVIEELR----IELGLPRDLATARDWV 295
>gnl|CDD|99779 cd06182, CYPOR_like, NADPH cytochrome p450 reductase (CYPOR) serves
as an electron donor in several oxygenase systems and is
a component of nitric oxide synthases and methionine
synthase reductases. CYPOR transfers two electrons from
NADPH to the heme of cytochrome p450 via FAD and FMN.
CYPOR has a C-terminal ferredoxin reducatase (FNR)- like
FAD and NAD binding module, an FMN-binding domain, and
an additional conecting domain (inserted within the FAD
binding region) that orients the FNR and FMN binding
domains. Ferredoxin-NADP+ (oxido)reductase is an
FAD-containing enzyme that catalyzes the reversible
electron transfer between NADP(H) and electron carrier
proteins such as ferredoxin and flavodoxin. Isoforms of
these flavoproteins (i.e. having a non-covalently bound
FAD as a prosthetic group) are present in chloroplasts,
mitochondria, and bacteria and participate in a wide
variety of redox metabolic pathways. The C-terminal
domain contains most of the NADP(H) binding residues and
the N-terminal domain interacts non-covalently with the
isoalloxazine rings of the flavin molecule which lies
largely in a large gap betweed the two domains.
Ferredoxin-NADP+ reductase first accepts one electron
from reduced ferredoxin to form a flavin semiquinone
intermediate. The enzyme then accepts a second electron
to form FADH2, which then transfers two electrons and a
proton to NADP+ to form NADPH.
Length = 267
Score = 28.1 bits (63), Expect = 4.7
Identities = 16/66 (24%), Positives = 27/66 (40%), Gaps = 6/66 (9%)
Query: 25 GNNQPAHIFATCRNKDKAVELL---ALAQQHSNLHVIELDVTDFSKQQDVLFKDISDVVK 81
PA +F CRN + L L + + + LDV FS++Q + D +K
Sbjct: 145 KARGPAWLFFGCRNFAS--DYLYREELQEALKDGALTRLDVA-FSREQAEPKVYVQDKLK 201
Query: 82 DQGLNV 87
+ +
Sbjct: 202 EHAEEL 207
>gnl|CDD|225711 COG3170, FimV, Tfp pilus assembly protein FimV [Cell motility and
secretion / Intracellular trafficking and secretion].
Length = 755
Score = 28.3 bits (63), Expect = 5.0
Identities = 13/29 (44%), Positives = 16/29 (55%), Gaps = 2/29 (6%)
Query: 3 SILITGCNRGLGLGMIKVLVGLGNNQPAH 31
S+L+ G LGLG I+V LG QP
Sbjct: 25 SVLLVGAAHALGLGAIRVRSALG--QPLD 51
>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 = 28.1 bits (63), Expect = 5.1
Identities = 27/123 (21%), Positives = 47/123 (38%), Gaps = 20/123 (16%)
Query: 5 LITGCNRGLGLGMIKVLVGLGNNQPAHIFATCR------NKDKAVELLALAQQHSNLHVI 58
L+TG G+G + + L A + R + KA L AL + + I
Sbjct: 209 LVTGGAGGIGRALARALARRYG---ARLVLLGRSPLPPEEEWKAQTLAALEALGARVLYI 265
Query: 59 ELDVTDFSKQQDVLFKDISDVVKDQG-LNVLVNNAGIAAKFTRLGLLKPEQMTDHFLVNV 117
DVTD + + + + V + G ++ +++ AG+ + L E V
Sbjct: 266 SADVTDAAAVRRL----LEKVRERYGAIDGVIHAAGV-LRDALLAQKTAEDFEA-----V 315
Query: 118 TAP 120
AP
Sbjct: 316 LAP 318
>gnl|CDD|180789 PRK06997, PRK06997, enoyl-(acyl carrier protein) reductase;
Provisional.
Length = 260
Score = 27.5 bits (61), Expect = 5.8
Identities = 60/213 (28%), Positives = 88/213 (41%), Gaps = 33/213 (15%)
Query: 2 KSILITG--CNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIE 59
K ILITG NR + G+ K G + A + R KD+ E A + + V
Sbjct: 7 KRILITGLLSNRSIAYGIAKACKREGA-ELAFTYVGDRFKDRITEF---AAEFGSDLVFP 62
Query: 60 LDVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAG------IAAKFTRLGLLKPEQMTDHF 113
DV +Q D LF + GL+ LV++ G IA F GL + H
Sbjct: 63 CDVAS-DEQIDALFASLGQ--HWDGLDGLVHSIGFAPREAIAGDFLD-GLSRENFRIAHD 118
Query: 114 LVNVTAPLMLTKTMLPLLKKASEANSAAPLGSSRAAIVNVSSIMGSIEDNTQGGFHPYRC 173
+ + P L K LP+L + + + LG+ R + N NT G
Sbjct: 119 ISAYSFP-ALAKAALPMLSDDASLLTLSYLGAERV-VPNY---------NTMG------L 161
Query: 174 SKAALNAATRSLSIDLKGDKIIATAMHPGWVKT 206
+KA+L A+ R L++ L I A + G +KT
Sbjct: 162 AKASLEASVRYLAVSLGPKGIRANGISAGPIKT 194
>gnl|CDD|179545 PRK03147, PRK03147, thiol-disulfide oxidoreductase; Provisional.
Length = 173
Score = 27.3 bits (61), Expect = 5.9
Identities = 15/50 (30%), Positives = 25/50 (50%), Gaps = 9/50 (18%)
Query: 39 KDKAVELLALAQQHSNLHVIELDVTDFSKQQDVLFKDISDVVKDQGLNVL 88
K+K VE++A+ N+ EL V +F + + F V D+G V+
Sbjct: 91 KEKGVEIIAV-----NVDETELAVKNFVNRYGLTFP----VAIDKGRQVI 131
>gnl|CDD|99805 cd06209, BenDO_FAD_NAD, Benzoate dioxygenase reductase (BenDO)
FAD/NAD binding domain. Oxygenases oxidize hydrocarbons
using dioxygen as the oxidant. As a Class I bacterial
dioxygenases, benzoate dioxygenase like proteins combine
an [2Fe-2S] cluster containing N-terminal ferredoxin at
the end fused to an FAD/NADP(P) domain. In dioxygenase
FAD/NAD(P) binding domain, the reductase transfers 2
electrons from NAD(P)H to the oxygenase which insert
into an aromatic substrate, an initial step in microbial
aerobic degradation of aromatic rings. Flavin
oxidoreductases use flavins as substrates, unlike
flavoenzymes which have a flavin prosthetic group.
Length = 228
Score = 27.6 bits (62), Expect = 6.1
Identities = 13/47 (27%), Positives = 18/47 (38%), Gaps = 3/47 (6%)
Query: 15 LGMIKVLVGLGNNQPAHIFATCRNKDKAVE---LLALAQQHSNLHVI 58
L M+ VL G+ P H+ VE L ALA++
Sbjct: 118 LSMLDVLAEDGSAHPVHLVYGVTRDADLVELDRLEALAERLPGFSFR 164
>gnl|CDD|233954 TIGR02622, CDP_4_6_dhtase, CDP-glucose 4,6-dehydratase. Members of
this protein family are CDP-glucose 4,6-dehydratase from
a variety of Gram-negative and Gram-positive bacteria.
Members typically are encoded next to a gene that
encodes a glucose-1-phosphate cytidylyltransferase,
which produces the substrate, CDP-D-glucose, used by
this enzyme to produce CDP-4-keto-6-deoxyglucose [Cell
envelope, Biosynthesis and degradation of surface
polysaccharides and lipopolysaccharides].
Length = 349
Score = 27.7 bits (62), Expect = 6.4
Identities = 10/26 (38%), Positives = 12/26 (46%)
Query: 152 NVSSIMGSIEDNTQGGFHPYRCSKAA 177
N + G E + GG PY SKA
Sbjct: 133 NDEWVWGYRETDPLGGHDPYSSSKAC 158
>gnl|CDD|232955 TIGR00395, leuS_arch, leucyl-tRNA synthetase, archaeal and
cytosolic family. The leucyl-tRNA synthetases belong to
two families so broadly different that they are
represented by separate models. This model includes both
archaeal and cytosolic eukaryotic leucyl-tRNA
synthetases; the eubacterial and mitochondrial forms
differ so substantially that some other tRNA ligases
score higher by this model than does any eubacterial
LeuS [Protein synthesis, tRNA aminoacylation].
Length = 938
Score = 27.9 bits (62), Expect = 6.5
Identities = 7/21 (33%), Positives = 8/21 (38%)
Query: 94 IAAKFTRLGLLKPEQMTDHFL 114
A + EQMTD F
Sbjct: 521 TIAHYLNKDYYGNEQMTDEFF 541
>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 = 6.6
Identities = 13/38 (34%), Positives = 17/38 (44%), Gaps = 9/38 (23%)
Query: 149 AIVNVSS---------IMGSIEDNTQGGFHPYRCSKAA 177
A+VNV+S G E++ GG PY SK
Sbjct: 121 AVVNVTSDKCYENKEWGWGYRENDPLGGHDPYSSSKGC 158
>gnl|CDD|131680 TIGR02632, RhaD_aldol-ADH, rhamnulose-1-phosphate aldolase/alcohol
dehydrogenase.
Length = 676
Score = 27.5 bits (61), Expect = 8.2
Identities = 27/97 (27%), Positives = 44/97 (45%), Gaps = 10/97 (10%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLA-LAQQHSNLHVIEL 60
+ +TG G+G + L G AH+ N + A + A + Q + L
Sbjct: 415 RVAFVTGGAGGIGRETARRLAAEG----AHVVLADLNLEAAEAVAAEINGQFGAGRAVAL 470
Query: 61 --DVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIA 95
DVTD + F D++ + G++++VNNAGIA
Sbjct: 471 KMDVTD-EQAVKAAFADVA--LAYGGVDIVVNNAGIA 504
>gnl|CDD|224016 COG1091, RfbD, dTDP-4-dehydrorhamnose reductase [Cell envelope
biogenesis, outer membrane].
Length = 281
Score = 27.3 bits (61), Expect = 8.2
Identities = 33/122 (27%), Positives = 43/122 (35%), Gaps = 41/122 (33%)
Query: 1 MKSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIEL 60
MK ILITG N LG + + L G + AT R EL
Sbjct: 1 MK-ILITGANGQLGTELRRALPGEFE-----VIATDRA--------------------EL 34
Query: 61 DVTDFSKQQDVLFKDISDVVKDQGLNVLVNNAGIAAKFTRLGLLKPEQMTDH-FLVNVTA 119
D+TD +V+ + DVV +N A A + K E + F VN T
Sbjct: 35 DITDPDAVLEVIRETRPDVV--------INAAAYTA------VDKAESEPELAFAVNATG 80
Query: 120 PL 121
Sbjct: 81 AE 82
>gnl|CDD|235914 PRK07041, PRK07041, short chain dehydrogenase; Provisional.
Length = 230
Score = 26.9 bits (60), Expect = 8.9
Identities = 13/60 (21%), Positives = 25/60 (41%), Gaps = 4/60 (6%)
Query: 5 LITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELDVTD 64
L+ G + G+GL + + G A + R++D+ + + LD+TD
Sbjct: 1 LVVGGSSGIGLALARAFAAEG----ARVTIASRSRDRLAAAARALGGGAPVRTAALDITD 56
>gnl|CDD|176234 cd08273, MDR8, Medium chain dehydrogenases/reductase
(MDR)/zinc-dependent alcohol dehydrogenase-like family.
This group is a member of the medium chain
dehydrogenases/reductase (MDR)/zinc-dependent alcohol
dehydrogenase-like family, but lacks the zinc-binding
sites of the zinc-dependent alcohol dehydrogenases. The
medium chain dehydrogenases/reductase
(MDR)/zinc-dependent alcohol dehydrogenase-like family,
which contains the zinc-dependent alcohol dehydrogenase
(ADH-Zn) and related proteins, is a diverse group of
proteins related to the first identified member, class I
mammalian ADH. MDRs display a broad range of activities
and are distinguished from the smaller short chain
dehydrogenases (~ 250 amino acids vs. the ~ 350 amino
acids of the MDR). The MDR proteins have 2 domains: a
C-terminal NAD(P)-binding Rossmann fold domain of a
beta-alpha form and an N-terminal catalytic domain with
distant homology to GroES. The MDR group contains a
host of activities, including the founding alcohol
dehydrogenase (ADH), quinone reductase, sorbitol
dehydrogenase, formaldehyde dehydrogenase, butanediol
DH, ketose reductase, cinnamyl reductase, and numerous
others. The zinc-dependent alcohol dehydrogenases (ADHs)
catalyze the NAD(P)(H)-dependent interconversion of
alcohols to aldehydes or ketones. Active site zinc has
a catalytic role, while structural zinc aids in
stability. ADH-like proteins typically form dimers
(typically higher plants, mammals) or tetramers (yeast,
bacteria), and generally have 2 tightly bound zinc atoms
per subunit. The active site zinc is coordinated by a
histidine, two cysteines, and a water molecule. The
second zinc seems to play a structural role, affects
subunit interactions, and is typically coordinated by 4
cysteines.
Length = 331
Score = 27.2 bits (61), Expect = 9.4
Identities = 14/65 (21%), Positives = 26/65 (40%), Gaps = 6/65 (9%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATC--RNKDKAVELLALAQQHSNLHVIE 59
+ +LI G + G+G +++ L A ++ T RN EL A + +
Sbjct: 141 QRVLIHGASGGVGQALLE----LALLAGAEVYGTASERNHAALRELGATPIDYRTKDWLP 196
Query: 60 LDVTD 64
+T
Sbjct: 197 AMLTP 201
>gnl|CDD|223677 COG0604, Qor, NADPH:quinone reductase and related Zn-dependent
oxidoreductases [Energy production and conversion /
General function prediction only].
Length = 326
Score = 26.9 bits (60), Expect = 9.7
Identities = 15/67 (22%), Positives = 27/67 (40%), Gaps = 8/67 (11%)
Query: 2 KSILITGCNRGLGLGMIKVLVGLGNNQPAHIFATCRNKDKAVELLALAQQHSNLHVIELD 61
+++L+ G G+G + L A + A + +K L ++ HVI
Sbjct: 144 ETVLVHGAAGGVGS----AAIQLAKALGATVVAVVSSSEKL----ELLKELGADHVINYR 195
Query: 62 VTDFSKQ 68
DF +Q
Sbjct: 196 EEDFVEQ 202
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 0.379
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: 12,026,833
Number of extensions: 1107794
Number of successful extensions: 1722
Number of sequences better than 10.0: 1
Number of HSP's gapped: 1285
Number of HSP's successfully gapped: 295
Length of query: 248
Length of database: 10,937,602
Length adjustment: 94
Effective length of query: 154
Effective length of database: 6,768,326
Effective search space: 1042322204
Effective search space used: 1042322204
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: 58 (25.9 bits)