RPS-BLAST 2.2.26 [Sep-21-2011]
Database: CDD.v3.10
44,354 sequences; 10,937,602 total letters
Searching..................................................done
Query= psy1073
(107 letters)
>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 = 64.2 bits (157), Expect = 9e-14
Identities = 20/42 (47%), Positives = 30/42 (71%)
Query: 36 TLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
T +AFLP M+ERNHGH+V ++S+ G++ + YC+SK A
Sbjct: 114 TTKAFLPDMLERNHGHIVTIASVAGLISPAGLADYCASKAAA 155
>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 = 59.1 bits (144), Expect = 7e-12
Identities = 17/40 (42%), Positives = 27/40 (67%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVR 78
A LP +IER+ G +V +SS+ G +G+P Y +SK A++
Sbjct: 122 AALPHLIERSQGSIVVVSSIAGKIGVPFRTAYAASKHALQ 161
>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 = 58.4 bits (142), Expect = 1e-11
Identities = 17/39 (43%), Positives = 27/39 (69%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
AFLP M ++ G +V +SS+ G++ P + PYC+SK A+
Sbjct: 115 AFLPLMRKQGSGRIVNVSSVAGLVPTPFLGPYCASKAAL 153
>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 = 56.5 bits (137), Expect = 5e-11
Identities = 15/43 (34%), Positives = 23/43 (53%)
Query: 36 TLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVR 78
A LP M ++ G +V +SS+ G+ LP Y +SK A+
Sbjct: 112 LTRAALPHMKKQGGGRIVNISSVAGLRPLPGQAAYAASKAALE 154
>gnl|CDD|180446 PRK06180, PRK06180, short chain dehydrogenase; Provisional.
Length = 277
Score = 56.8 bits (138), Expect = 6e-11
Identities = 20/45 (44%), Positives = 29/45 (64%), Gaps = 1/45 (2%)
Query: 36 TLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVREG 80
+A LP M R GH+V ++SM G++ +P + YC SKFA+ EG
Sbjct: 116 MTKAVLPGMRARRRGHIVNITSMGGLITMPGIGYYCGSKFAL-EG 159
>gnl|CDD|181136 PRK07825, PRK07825, short chain dehydrogenase; Provisional.
Length = 273
Score = 56.1 bits (136), Expect = 1e-10
Identities = 23/59 (38%), Positives = 31/59 (52%), Gaps = 10/59 (16%)
Query: 19 NVYAVALFIPIIFICGETLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
NVY V I G L P M+ R GHVV ++S+ G + +P + YC+SK AV
Sbjct: 109 NVYGV--------ILGSKLA--APRMVPRGRGHVVNVASLAGKIPVPGMATYCASKHAV 157
>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 = 50.5 bits (121), Expect = 1e-08
Identities = 24/46 (52%), Positives = 31/46 (67%), Gaps = 3/46 (6%)
Query: 36 TLEAFLPSMIERNHGHVVALSSMCGVLGLP-NVVPYCSSKFAVREG 80
L+AFLP M R G ++ SS+ G+ GLP N V YC+SKFA+ EG
Sbjct: 117 MLQAFLPDMKRRGSGRILVTSSVGGLQGLPFNDV-YCASKFAL-EG 160
>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 = 48.8 bits (117), Expect = 3e-08
Identities = 17/40 (42%), Positives = 22/40 (55%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVR 78
LP MI RN GH++ L S+ G YC++K AVR
Sbjct: 120 LILPIMIARNQGHIINLGSIAGRYPYAGGNVYCATKAAVR 159
>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 = 48.8 bits (117), Expect = 4e-08
Identities = 24/65 (36%), Positives = 32/65 (49%), Gaps = 6/65 (9%)
Query: 13 LVSYYNNVYAVALFIPIIFICGETLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCS 72
+ Y V LF + E +AFLP ++ R G VV +SSM G + P YC+
Sbjct: 99 PMDDYRKCMEVNLFGTV-----EVTKAFLP-LLRRAKGRVVNVSSMGGRVPFPAGGAYCA 152
Query: 73 SKFAV 77
SK AV
Sbjct: 153 SKAAV 157
>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 = 48.5 bits (116), Expect = 4e-08
Identities = 17/43 (39%), Positives = 24/43 (55%)
Query: 36 TLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVR 78
LEA LP + GH+V +SS+ + GLP Y +SK A+
Sbjct: 113 ILEAALPQFRAKGRGHLVLISSVAALRGLPGAAAYSASKAALS 155
>gnl|CDD|181139 PRK07832, PRK07832, short chain dehydrogenase; Provisional.
Length = 272
Score = 48.5 bits (116), Expect = 6e-08
Identities = 17/43 (39%), Positives = 26/43 (60%), Gaps = 1/43 (2%)
Query: 37 LEAFLPSMIERNHG-HVVALSSMCGVLGLPNVVPYCSSKFAVR 78
+E F+P M+ G H+V +SS G++ LP Y +SKF +R
Sbjct: 117 IETFVPPMVAAGRGGHLVNVSSAAGLVALPWHAAYSASKFGLR 159
>gnl|CDD|226674 COG4221, COG4221, Short-chain alcohol dehydrogenase of unknown
specificity [General function prediction only].
Length = 246
Score = 47.6 bits (114), Expect = 9e-08
Identities = 17/40 (42%), Positives = 23/40 (57%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVR 78
A LP M+ER GH++ L S+ G P Y ++K AVR
Sbjct: 122 AVLPGMVERKSGHIINLGSIAGRYPYPGGAVYGATKAAVR 161
>gnl|CDD|236074 PRK07666, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 239
Score = 47.0 bits (112), Expect = 1e-07
Identities = 18/39 (46%), Positives = 22/39 (56%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
A LPSMIER G ++ +SS G G Y +SKF V
Sbjct: 125 AVLPSMIERQSGDIINISSTAGQKGAAVTSAYSASKFGV 163
>gnl|CDD|181762 PRK09291, PRK09291, short chain dehydrogenase; Provisional.
Length = 257
Score = 47.3 bits (113), Expect = 2e-07
Identities = 19/57 (33%), Positives = 29/57 (50%), Gaps = 5/57 (8%)
Query: 21 YAVALFIPIIFICGETLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
+ +F P+ E + F+ M+ R G VV SSM G++ P YC+SK A+
Sbjct: 101 FETNVFGPL-----ELTQGFVRKMVARGKGKVVFTSSMAGLITGPFTGAYCASKHAL 152
>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 = 46.9 bits (112), Expect = 2e-07
Identities = 18/40 (45%), Positives = 25/40 (62%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVR 78
A LP M E+ GH+V +SS ++G+ YC SKFA+R
Sbjct: 123 AVLPLMKEQRPGHIVFVSSQAALVGIYGYSAYCPSKFALR 162
>gnl|CDD|180723 PRK06841, PRK06841, short chain dehydrogenase; Provisional.
Length = 255
Score = 45.4 bits (108), Expect = 6e-07
Identities = 15/36 (41%), Positives = 19/36 (52%)
Query: 42 PSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
MI G +V L+S GV+ L V YC+SK V
Sbjct: 133 RHMIAAGGGKIVNLASQAGVVALERHVAYCASKAGV 168
>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 = 45.1 bits (107), Expect = 8e-07
Identities = 23/71 (32%), Positives = 33/71 (46%), Gaps = 15/71 (21%)
Query: 9 DKIWLVSYYNNVYAVALFIPIIFICGETLEAFLPSMIERNH-GHVVALSSMCGVLGLPNV 67
K++ V NV+ V +F F + H G ++ SS+ GV G PN+
Sbjct: 105 KKVYAV----NVFGV------LFGIQAAARQF----KKLGHGGKIINASSIAGVQGFPNL 150
Query: 68 VPYCSSKFAVR 78
Y +SKFAVR
Sbjct: 151 GAYSASKFAVR 161
>gnl|CDD|180744 PRK06914, PRK06914, short chain dehydrogenase; Provisional.
Length = 280
Score = 44.6 bits (106), Expect = 1e-06
Identities = 18/43 (41%), Positives = 29/43 (67%), Gaps = 1/43 (2%)
Query: 38 EAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVREG 80
+A LP M ++ G ++ +SS+ G +G P + PY SSK+A+ EG
Sbjct: 121 QAVLPYMRKQKSGKIINISSISGRVGFPGLSPYVSSKYAL-EG 162
>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 = 42.7 bits (101), Expect = 6e-06
Identities = 16/61 (26%), Positives = 26/61 (42%), Gaps = 5/61 (8%)
Query: 17 YNNVYAVALFIPIIFICGETLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFA 76
+ +V V L + MI++ HG ++ + S+ LG P V Y +SK
Sbjct: 106 WRDVIDVNLNGVFFV----SQAVA-RHMIKQGHGKIINICSLLSELGGPPVPAYAASKGG 160
Query: 77 V 77
V
Sbjct: 161 V 161
>gnl|CDD|235506 PRK05565, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 247
Score = 41.8 bits (99), Expect = 1e-05
Identities = 17/37 (45%), Positives = 24/37 (64%)
Query: 41 LPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
LP MI+R G +V +SS+ G++G V Y +SK AV
Sbjct: 126 LPYMIKRKSGVIVNISSIWGLIGASCEVLYSASKGAV 162
>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 = 41.6 bits (98), Expect = 2e-05
Identities = 17/41 (41%), Positives = 23/41 (56%)
Query: 38 EAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVR 78
A LP++ E G VV L+S+ G L Y +SKFA+R
Sbjct: 113 RALLPALREAGSGRVVFLNSLSGKRVLAGNAGYSASKFALR 153
>gnl|CDD|223377 COG0300, DltE, Short-chain dehydrogenases of various substrate
specificities [General function prediction only].
Length = 265
Score = 41.5 bits (98), Expect = 2e-05
Identities = 14/39 (35%), Positives = 23/39 (58%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
A LP M+ER GH++ + S G++ P + Y ++K V
Sbjct: 125 AVLPGMVERGAGHIINIGSAAGLIPTPYMAVYSATKAFV 163
>gnl|CDD|181334 PRK08263, PRK08263, short chain dehydrogenase; Provisional.
Length = 275
Score = 41.2 bits (97), Expect = 2e-05
Identities = 16/43 (37%), Positives = 27/43 (62%), Gaps = 1/43 (2%)
Query: 38 EAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVREG 80
+A LP + E+ GH++ +SS+ G+ P Y +SK+A+ EG
Sbjct: 117 QAVLPYLREQRSGHIIQISSIGGISAFPMSGIYHASKWAL-EG 158
>gnl|CDD|235935 PRK07109, PRK07109, short chain dehydrogenase; Provisional.
Length = 334
Score = 41.4 bits (98), Expect = 2e-05
Identities = 14/43 (32%), Positives = 22/43 (51%), Gaps = 1/43 (2%)
Query: 36 TLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVR 78
TL A L M R+ G ++ + S +P YC++K A+R
Sbjct: 124 TLAA-LRHMRPRDRGAIIQVGSALAYRSIPLQSAYCAAKHAIR 165
>gnl|CDD|235910 PRK07024, PRK07024, short chain dehydrogenase; Provisional.
Length = 257
Score = 40.7 bits (96), Expect = 3e-05
Identities = 15/42 (35%), Positives = 22/42 (52%)
Query: 36 TLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
T + F+ M G +V ++S+ GV GLP Y +SK A
Sbjct: 117 TFQPFIAPMRAARRGTLVGIASVAGVRGLPGAGAYSASKAAA 158
>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 = 40.6 bits (95), Expect = 3e-05
Identities = 16/42 (38%), Positives = 24/42 (57%)
Query: 36 TLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
T A LP + RN G +V +SS+ G + + N Y ++KF V
Sbjct: 118 TTHAALPHHLLRNKGTIVNISSVAGRVAVRNSAVYNATKFGV 159
>gnl|CDD|183778 PRK12829, PRK12829, short chain dehydrogenase; Provisional.
Length = 264
Score = 40.4 bits (95), Expect = 4e-05
Identities = 19/43 (44%), Positives = 25/43 (58%), Gaps = 1/43 (2%)
Query: 36 TLEAFLPSMIERNHGHVV-ALSSMCGVLGLPNVVPYCSSKFAV 77
A +P + HG V+ ALSS+ G LG P PY +SK+AV
Sbjct: 125 FARAAVPLLKASGHGGVIIALSSVAGRLGYPGRTPYAASKWAV 167
>gnl|CDD|235726 PRK06181, PRK06181, short chain dehydrogenase; Provisional.
Length = 263
Score = 39.6 bits (93), Expect = 7e-05
Identities = 14/39 (35%), Positives = 22/39 (56%), Gaps = 1/39 (2%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
A LP + G +V +SS+ G+ G+P Y +SK A+
Sbjct: 120 AALPHLKASR-GQIVVVSSLAGLTGVPTRSGYAASKHAL 157
>gnl|CDD|235633 PRK05872, PRK05872, short chain dehydrogenase; Provisional.
Length = 296
Score = 39.6 bits (93), Expect = 7e-05
Identities = 17/42 (40%), Positives = 26/42 (61%), Gaps = 1/42 (2%)
Query: 36 TLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
T+ A LP++IER G+V+ +SS+ P + YC+SK V
Sbjct: 123 TVRATLPALIERR-GYVLQVSSLAAFAAAPGMAAYCASKAGV 163
>gnl|CDD|235975 PRK07231, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 251
Score = 39.4 bits (93), Expect = 8e-05
Identities = 13/40 (32%), Positives = 21/40 (52%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVR 78
A +P+M G +V ++S G+ P + Y +SK AV
Sbjct: 123 AAVPAMRGEGGGAIVNVASTAGLRPRPGLGWYNASKGAVI 162
>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 = 39.4 bits (92), Expect = 9e-05
Identities = 15/43 (34%), Positives = 26/43 (60%), Gaps = 1/43 (2%)
Query: 36 TLEAFLPSMIERNHGHVVALSSMCG-VLGLPNVVPYCSSKFAV 77
++A LP M+ R G ++ +SS+ + G+PN Y ++K AV
Sbjct: 108 MIKAVLPKMLARKDGSIINMSSVASSIKGVPNRFVYSTTKAAV 150
>gnl|CDD|235933 PRK07097, PRK07097, gluconate 5-dehydrogenase; Provisional.
Length = 265
Score = 39.3 bits (92), Expect = 1e-04
Identities = 14/36 (38%), Positives = 22/36 (61%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSK 74
A +PSMI++ HG ++ + SM LG V Y ++K
Sbjct: 128 AVIPSMIKKGHGKIINICSMMSELGRETVSAYAAAK 163
>gnl|CDD|235546 PRK05653, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Validated.
Length = 246
Score = 39.0 bits (92), Expect = 1e-04
Identities = 16/42 (38%), Positives = 24/42 (57%)
Query: 36 TLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
+ A LP MI+ +G +V +SS+ GV G P Y ++K V
Sbjct: 120 VVRAALPPMIKARYGRIVNISSVSGVTGNPGQTNYSAAKAGV 161
>gnl|CDD|235500 PRK05557, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Validated.
Length = 248
Score = 39.0 bits (92), Expect = 1e-04
Identities = 12/39 (30%), Positives = 22/39 (56%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
A M+++ G ++ +SS+ G++G P Y +SK V
Sbjct: 124 AVARPMMKQRSGRIINISSVVGLMGNPGQANYAASKAGV 162
>gnl|CDD|187618 cd05360, SDR_c3, classical (c) SDR, subgroup 3. These proteins are
members of the classical SDR family, with a canonical
active site triad (and also active site Asn) and a
typical Gly-rich NAD-binding motif. SDRs are a
functionally diverse family of oxidoreductases that have
a single domain with a structurally conserved Rossmann
fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRS are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes have a
3-glycine N-terminal NAD(P)(H)-binding pattern
(typically, TGxxxGxG in classical SDRs and TGxxGxxG in
extended SDRs), while substrate binding is in the
C-terminal region. A critical catalytic Tyr residue
(Tyr-151, human 15-hydroxyprostaglandin dehydrogenase
(15-PGDH) numbering), is often found in a conserved
YXXXK pattern. In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) or additional
Ser, contributing to the active site. Substrates for
these enzymes include sugars, steroids, alcohols, and
aromatic compounds. The standard reaction mechanism is a
proton relay involving the conserved Tyr and Lys, as
well as Asn (or Ser). Some SDR family members, including
17 beta-hydroxysteroid dehydrogenase contain an
additional helix-turn-helix motif that is not generally
found among SDRs.
Length = 233
Score = 38.9 bits (91), Expect = 1e-04
Identities = 21/75 (28%), Positives = 30/75 (40%), Gaps = 12/75 (16%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVR------------EGHNIYLG 86
A LP + R G ++ + S+ G P Y +SK AVR +G I +
Sbjct: 118 AALPHLRRRGGGALINVGSLLGYRSAPLQAAYSASKHAVRGFTESLRAELAHDGAPISVT 177
Query: 87 SWERTEMNYLFLAHC 101
+ T MN F H
Sbjct: 178 LVQPTAMNTPFFGHA 192
>gnl|CDD|235962 PRK07201, PRK07201, short chain dehydrogenase; Provisional.
Length = 657
Score = 38.8 bits (91), Expect = 1e-04
Identities = 18/39 (46%), Positives = 21/39 (53%), Gaps = 2/39 (5%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLG-LPNVVPYCSSKFA 76
LP M ER GHVV +SS+ GV P Y +SK A
Sbjct: 491 GLLPHMRERRFGHVVNVSSI-GVQTNAPRFSAYVASKAA 528
>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 = 38.7 bits (90), Expect = 1e-04
Identities = 16/43 (37%), Positives = 26/43 (60%), Gaps = 1/43 (2%)
Query: 36 TLEAFLPSMIER-NHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
T +A +P MIER N G ++ SS+ G+ LP + Y ++K +
Sbjct: 131 TCKAVVPHMIERGNGGSIIITSSVAGLKALPGLAHYAAAKHGL 173
>gnl|CDD|183775 PRK12826, PRK12826, 3-ketoacyl-(acyl-carrier-protein) reductase;
Reviewed.
Length = 251
Score = 38.4 bits (90), Expect = 2e-04
Identities = 14/43 (32%), Positives = 23/43 (53%), Gaps = 1/43 (2%)
Query: 36 TLEAFLPSMIERNHGHVVALSSMCG-VLGLPNVVPYCSSKFAV 77
+A LP++I G +V SS+ G +G P + Y +SK +
Sbjct: 121 LTQAALPALIRAGGGRIVLTSSVAGPRVGYPGLAHYAASKAGL 163
>gnl|CDD|180617 PRK06550, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 235
Score = 38.0 bits (89), Expect = 3e-04
Identities = 13/59 (22%), Positives = 26/59 (44%), Gaps = 5/59 (8%)
Query: 19 NVYAVALFIPIIFICGETLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
+++ L + A+LP M+ER G ++ + S+ + Y +SK A+
Sbjct: 94 HIFDTNLTSTFLLT-----RAYLPQMLERKSGIIINMCSIASFVAGGGGAAYTASKHAL 147
>gnl|CDD|180458 PRK06194, PRK06194, hypothetical protein; Provisional.
Length = 287
Score = 37.7 bits (88), Expect = 3e-04
Identities = 17/47 (36%), Positives = 23/47 (48%), Gaps = 6/47 (12%)
Query: 37 LEAFLPSMIERN------HGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
+ AF P M+ GH+V +SM G+L P + Y SK AV
Sbjct: 122 VRAFTPLMLAAAEKDPAYEGHIVNTASMAGLLAPPAMGIYNVSKHAV 168
>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 = 37.4 bits (87), Expect = 4e-04
Identities = 12/33 (36%), Positives = 20/33 (60%)
Query: 46 ERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVR 78
+ + G ++ +S+ G G P + Y S+KFAVR
Sbjct: 126 QGHGGKIINAASIAGHEGNPILSAYSSTKFAVR 158
>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 = 37.1 bits (86), Expect = 4e-04
Identities = 14/41 (34%), Positives = 22/41 (53%)
Query: 37 LEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
LEA M + G + +SS+ G+ G P + Y +SK A+
Sbjct: 70 LEAARELMKAKRLGRFILISSVAGLFGAPGLGGYAASKAAL 110
>gnl|CDD|180440 PRK06172, PRK06172, short chain dehydrogenase; Provisional.
Length = 253
Score = 37.4 bits (87), Expect = 5e-04
Identities = 12/37 (32%), Positives = 21/37 (56%)
Query: 41 LPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
+P M+ + G +V +S+ G+ P + Y +SK AV
Sbjct: 128 IPLMLAQGGGAIVNTASVAGLGAAPKMSIYAASKHAV 164
>gnl|CDD|235725 PRK06179, PRK06179, short chain dehydrogenase; Provisional.
Length = 270
Score = 37.2 bits (87), Expect = 5e-04
Identities = 17/42 (40%), Positives = 24/42 (57%), Gaps = 1/42 (2%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVREG 80
A LP M + G ++ +SS+ G L P + Y +SK AV EG
Sbjct: 114 AVLPHMRAQGSGRIINISSVLGFLPAPYMALYAASKHAV-EG 154
>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 = 36.3 bits (84), Expect = 0.001
Identities = 17/61 (27%), Positives = 28/61 (45%), Gaps = 8/61 (13%)
Query: 17 YNNVYAVALFIPIIFICGETLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFA 76
++ V V L + A LP M ++ +V +SS+ G+ G P Y +SK A
Sbjct: 111 WDRVIDVNLLGAFLLT-----RAALPLMKKQ---RIVNISSVAGLGGPPGQAAYAASKAA 162
Query: 77 V 77
+
Sbjct: 163 L 163
>gnl|CDD|168186 PRK05693, PRK05693, short chain dehydrogenase; Provisional.
Length = 274
Score = 36.3 bits (84), Expect = 0.001
Identities = 17/39 (43%), Positives = 22/39 (56%), Gaps = 1/39 (2%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
A P + R+ G VV + S+ GVL P YC+SK AV
Sbjct: 113 ALFPLL-RRSRGLVVNIGSVSGVLVTPFAGAYCASKAAV 150
>gnl|CDD|236372 PRK09072, PRK09072, short chain dehydrogenase; Provisional.
Length = 263
Score = 36.5 bits (85), Expect = 0.001
Identities = 16/40 (40%), Positives = 22/40 (55%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVR 78
A LP + + VV + S G +G P YC+SKFA+R
Sbjct: 121 ALLPLLRAQPSAMVVNVGSTFGSIGYPGYASYCASKFALR 160
>gnl|CDD|181518 PRK08643, PRK08643, acetoin reductase; Validated.
Length = 256
Score = 36.2 bits (84), Expect = 0.001
Identities = 13/29 (44%), Positives = 19/29 (65%)
Query: 50 GHVVALSSMCGVLGLPNVVPYCSSKFAVR 78
G ++ +S GV+G P + Y S+KFAVR
Sbjct: 132 GKIINATSQAGVVGNPELAVYSSTKFAVR 160
>gnl|CDD|235925 PRK07067, PRK07067, sorbitol dehydrogenase; Provisional.
Length = 257
Score = 36.2 bits (84), Expect = 0.001
Identities = 13/43 (30%), Positives = 23/43 (53%), Gaps = 1/43 (2%)
Query: 36 TLEAFLPSMIERNHG-HVVALSSMCGVLGLPNVVPYCSSKFAV 77
++A M+E+ G ++ ++S G G V YC++K AV
Sbjct: 118 LMQAVARHMVEQGRGGKIINMASQAGRRGEALVSHYCATKAAV 160
>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 = 36.0 bits (83), Expect = 0.001
Identities = 21/71 (29%), Positives = 31/71 (43%), Gaps = 10/71 (14%)
Query: 7 VNDKIWLVSYYNNVYAVALFIPIIFICGETLEAFLPSMIERNHGHVVALSSMCGVLGLPN 66
+++W NV A AL +A +P M +R G VV +SS+ P
Sbjct: 107 STEEVWDKILDVNVKATALMT----------KAVVPEMEKRGGGSVVIVSSVAAFHPFPG 156
Query: 67 VVPYCSSKFAV 77
+ PY SK A+
Sbjct: 157 LGPYNVSKTAL 167
>gnl|CDD|183833 PRK12939, PRK12939, short chain dehydrogenase; Provisional.
Length = 250
Score = 36.1 bits (84), Expect = 0.001
Identities = 19/58 (32%), Positives = 26/58 (44%), Gaps = 10/58 (17%)
Query: 36 TLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV--------RE--GHNI 83
L A LP + + G +V L+S + G P + Y +SK AV RE G I
Sbjct: 122 MLRAALPHLRDSGRGRIVNLASDTALWGAPKLGAYVASKGAVIGMTRSLARELGGRGI 179
>gnl|CDD|181298 PRK08219, PRK08219, short chain dehydrogenase; Provisional.
Length = 227
Score = 35.7 bits (83), Expect = 0.001
Identities = 21/60 (35%), Positives = 28/60 (46%), Gaps = 11/60 (18%)
Query: 19 NVYAVALFIPIIFICGETLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVR 78
NV A A E LP+ + HGHVV ++S G+ P Y +SKFA+R
Sbjct: 102 NVVAPA----------ELTRLLLPA-LRAAHGHVVFINSGAGLRANPGWGSYAASKFALR 150
>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 = 35.8 bits (83), Expect = 0.002
Identities = 12/42 (28%), Positives = 20/42 (47%)
Query: 37 LEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVR 78
+AF P + G +V L+S+ + P + Y +SK A
Sbjct: 114 AQAFAPVLKANGGGAIVNLNSVASLKNFPAMGTYSASKSAAY 155
>gnl|CDD|181324 PRK08251, PRK08251, short chain dehydrogenase; Provisional.
Length = 248
Score = 35.7 bits (83), Expect = 0.002
Identities = 14/33 (42%), Positives = 19/33 (57%), Gaps = 1/33 (3%)
Query: 46 ERNHGHVVALSSMCGVLGLP-NVVPYCSSKFAV 77
E+ GH+V +SS+ V GLP Y +SK V
Sbjct: 129 EQGSGHLVLISSVSAVRGLPGVKAAYAASKAGV 161
>gnl|CDD|171820 PRK12936, PRK12936, 3-ketoacyl-(acyl-carrier-protein) reductase
NodG; Reviewed.
Length = 245
Score = 35.3 bits (81), Expect = 0.002
Identities = 12/31 (38%), Positives = 20/31 (64%)
Query: 44 MIERNHGHVVALSSMCGVLGLPNVVPYCSSK 74
M+ R +G ++ ++S+ GV G P YC+SK
Sbjct: 126 MMRRRYGRIINITSVVGVTGNPGQANYCASK 156
>gnl|CDD|182531 PRK10538, PRK10538, malonic semialdehyde reductase; Provisional.
Length = 248
Score = 35.5 bits (82), Expect = 0.002
Identities = 12/22 (54%), Positives = 16/22 (72%)
Query: 39 AFLPSMIERNHGHVVALSSMCG 60
A LP M+ERNHGH++ + S G
Sbjct: 116 AVLPGMVERNHGHIINIGSTAG 137
>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 = 35.2 bits (82), Expect = 0.002
Identities = 13/36 (36%), Positives = 23/36 (63%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSK 74
A + +MI+R G ++ +SS+ G++G P Y +SK
Sbjct: 118 AVIRAMIKRRSGRIINISSVVGLIGNPGQANYAASK 153
>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 = 34.8 bits (80), Expect = 0.003
Identities = 17/38 (44%), Positives = 21/38 (55%)
Query: 41 LPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVR 78
P MI R G +V LSS+ G G P Y +SK A+R
Sbjct: 121 APRMIARGGGSIVNLSSIAGQSGDPGYGAYGASKAAIR 158
>gnl|CDD|180604 PRK06523, PRK06523, short chain dehydrogenase; Provisional.
Length = 260
Score = 34.9 bits (81), Expect = 0.004
Identities = 14/41 (34%), Positives = 22/41 (53%), Gaps = 1/41 (2%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPN-VVPYCSSKFAVR 78
A LP MI R G ++ ++S+ L LP Y ++K A+
Sbjct: 120 ALLPGMIARGSGVIIHVTSIQRRLPLPESTTAYAAAKAALS 160
>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 = 34.7 bits (80), Expect = 0.004
Identities = 16/42 (38%), Positives = 25/42 (59%)
Query: 37 LEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVR 78
A +P M E G ++ +SS+ G++G P + Y +SK AVR
Sbjct: 118 TRAVIPPMKEAGGGSIINMSSIEGLVGDPALAAYNASKGAVR 159
>gnl|CDD|181225 PRK08085, PRK08085, gluconate 5-dehydrogenase; Provisional.
Length = 254
Score = 34.3 bits (79), Expect = 0.005
Identities = 13/35 (37%), Positives = 21/35 (60%)
Query: 44 MIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVR 78
M++R G ++ + SM LG + PY +SK AV+
Sbjct: 132 MVKRQAGKIINICSMQSELGRDTITPYAASKGAVK 166
>gnl|CDD|181335 PRK08264, PRK08264, short chain dehydrogenase; Validated.
Length = 238
Score = 34.1 bits (79), Expect = 0.005
Identities = 12/38 (31%), Positives = 19/38 (50%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFA 76
AF P + G +V + S+ + PN+ Y +SK A
Sbjct: 115 AFAPVLAANGGGAIVNVLSVLSWVNFPNLGTYSASKAA 152
>gnl|CDD|235631 PRK05866, PRK05866, short chain dehydrogenase; Provisional.
Length = 293
Score = 34.3 bits (79), Expect = 0.006
Identities = 14/43 (32%), Positives = 22/43 (51%), Gaps = 7/43 (16%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVP----YCSSKFAV 77
P M+ER GH++ +++ GV L P Y +SK A+
Sbjct: 160 GLAPGMLERGDGHIINVATW-GV--LSEASPLFSVYNASKAAL 199
>gnl|CDD|237218 PRK12825, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 249
Score = 34.1 bits (79), Expect = 0.006
Identities = 13/42 (30%), Positives = 23/42 (54%)
Query: 36 TLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
L A +P M ++ G +V +SS+ G+ G P Y ++K +
Sbjct: 122 LLRAVVPPMRKQRGGRIVNISSVAGLPGWPGRSNYAAAKAGL 163
>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 = 34.0 bits (78), Expect = 0.006
Identities = 14/41 (34%), Positives = 22/41 (53%)
Query: 37 LEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
LE L M E+ G +V +S+ G+ G+ N Y ++K V
Sbjct: 122 LEKVLKVMREQGSGMIVNTASVGGIRGVGNQSGYAAAKHGV 162
>gnl|CDD|181305 PRK08226, PRK08226, short chain dehydrogenase; Provisional.
Length = 263
Score = 34.0 bits (78), Expect = 0.008
Identities = 15/43 (34%), Positives = 23/43 (53%), Gaps = 1/43 (2%)
Query: 36 TLEAFLPSMIERNHGHVVALSSMCG-VLGLPNVVPYCSSKFAV 77
+A LP MI R G +V +SS+ G ++ P Y +K A+
Sbjct: 120 VTKAVLPEMIARKDGRIVMMSSVTGDMVADPGETAYALTKAAI 162
>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 = 33.8 bits (78), Expect = 0.008
Identities = 11/44 (25%), Positives = 18/44 (40%), Gaps = 6/44 (13%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNV----VPYCSSKFAVR 78
A ++ G ++ +SM G + N Y +SK AV
Sbjct: 127 AAAKIFKKQGKGSLIITASMSGT--IVNRPQPQAAYNASKAAVI 168
>gnl|CDD|236210 PRK08267, PRK08267, short chain dehydrogenase; Provisional.
Length = 260
Score = 33.8 bits (78), Expect = 0.009
Identities = 11/29 (37%), Positives = 16/29 (55%)
Query: 50 GHVVALSSMCGVLGLPNVVPYCSSKFAVR 78
V+ SS + G P + Y ++KFAVR
Sbjct: 129 ARVINTSSASAIYGQPGLAVYSATKFAVR 157
>gnl|CDD|235628 PRK05855, PRK05855, short chain dehydrogenase; Validated.
Length = 582
Score = 33.8 bits (78), Expect = 0.009
Identities = 13/40 (32%), Positives = 20/40 (50%), Gaps = 1/40 (2%)
Query: 39 AFLPSMIERNH-GHVVALSSMCGVLGLPNVVPYCSSKFAV 77
F M+ER GH+V ++S ++ Y +SK AV
Sbjct: 433 LFGRQMVERGTGGHIVNVASAAAYAPSRSLPAYATSKAAV 472
>gnl|CDD|236040 PRK07523, PRK07523, gluconate 5-dehydrogenase; Provisional.
Length = 255
Score = 33.6 bits (77), Expect = 0.010
Identities = 12/35 (34%), Positives = 20/35 (57%)
Query: 44 MIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVR 78
MI R G ++ ++S+ L P + PY ++K AV
Sbjct: 133 MIARGAGKIINIASVQSALARPGIAPYTATKGAVG 167
>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 = 33.3 bits (77), Expect = 0.011
Identities = 13/37 (35%), Positives = 21/37 (56%)
Query: 38 EAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSK 74
LP M++R G +V +SS G++ P + Y +SK
Sbjct: 120 RLILPGMVKRKKGAIVNISSFAGLIPTPLLATYSASK 156
>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 = 33.3 bits (76), Expect = 0.014
Identities = 24/70 (34%), Positives = 34/70 (48%), Gaps = 14/70 (20%)
Query: 12 WLVSYYNNVYAVALFIPIIFICGETLEAFLPSMIERN--HGHVVALSSMCG--VLGLPNV 67
W + NV A++ IC T EA SM ERN GH++ ++SM G V +
Sbjct: 108 WKEMFDVNVLALS-------IC--TREA-YQSMKERNVDDGHIININSMSGHRVPPVSVF 157
Query: 68 VPYCSSKFAV 77
Y ++K AV
Sbjct: 158 HFYAATKHAV 167
>gnl|CDD|235545 PRK05650, PRK05650, short chain dehydrogenase; Provisional.
Length = 270
Score = 32.7 bits (75), Expect = 0.017
Identities = 13/39 (33%), Positives = 21/39 (53%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
AFLP + G +V ++SM G++ P + Y +K V
Sbjct: 118 AFLPLFKRQKSGRIVNIASMAGLMQGPAMSSYNVAKAGV 156
>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 = 32.8 bits (75), Expect = 0.021
Identities = 11/42 (26%), Positives = 22/42 (52%)
Query: 36 TLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
T LP M ++ G ++ ++S+ G++ N Y ++K V
Sbjct: 119 TTRLALPHMKKQGWGRIINIASVHGLVASANKSAYVAAKHGV 160
>gnl|CDD|237220 PRK12828, PRK12828, short chain dehydrogenase; Provisional.
Length = 239
Score = 32.5 bits (74), Expect = 0.022
Identities = 9/42 (21%), Positives = 19/42 (45%)
Query: 36 TLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
+A LP++ G +V + + + P + Y ++K V
Sbjct: 120 ASKAALPALTASGGGRIVNIGAGAALKAGPGMGAYAAAKAGV 161
>gnl|CDD|181044 PRK07577, PRK07577, short chain dehydrogenase; Provisional.
Length = 234
Score = 32.4 bits (74), Expect = 0.027
Identities = 12/39 (30%), Positives = 19/39 (48%), Gaps = 1/39 (2%)
Query: 38 EAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFA 76
+AFL M R G +V + S + G + Y ++K A
Sbjct: 108 QAFLEGMKLREQGRIVNICSR-AIFGALDRTSYSAAKSA 145
>gnl|CDD|180817 PRK07060, PRK07060, short chain dehydrogenase; Provisional.
Length = 245
Score = 32.0 bits (73), Expect = 0.029
Identities = 17/62 (27%), Positives = 29/62 (46%), Gaps = 6/62 (9%)
Query: 17 YNNVYAVALFIPIIFICGETLEAFLPSMIERNH-GHVVALSSMCGVLGLPNVVPYCSSKF 75
++ V AV + +MI G +V +SS ++GLP+ + YC+SK
Sbjct: 101 FDRVMAVNA--RGAALVAR---HVARAMIAAGRGGSIVNVSSQAALVGLPDHLAYCASKA 155
Query: 76 AV 77
A+
Sbjct: 156 AL 157
>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 = 32.2 bits (74), Expect = 0.030
Identities = 14/67 (20%), Positives = 22/67 (32%), Gaps = 14/67 (20%)
Query: 11 IWLVSYYNNVYAVALFIPIIFICGETLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPY 70
+ N + +A LP + + G +V +SS G L Y
Sbjct: 102 QARETMKTNFFGTVDVT----------QALLPLLKKSPAGRIVNVSSGLGSLT----SAY 147
Query: 71 CSSKFAV 77
SK A+
Sbjct: 148 GVSKAAL 154
>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 = 32.1 bits (73), Expect = 0.031
Identities = 15/39 (38%), Positives = 23/39 (58%), Gaps = 2/39 (5%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
A LP M+ER G +V +SS+ G+ +PY ++K V
Sbjct: 122 AVLPHMLERQQGVIVNVSSI-ATRGI-YRIPYSAAKGGV 158
>gnl|CDD|180462 PRK06198, PRK06198, short chain dehydrogenase; Provisional.
Length = 260
Score = 31.9 bits (73), Expect = 0.035
Identities = 13/34 (38%), Positives = 17/34 (50%), Gaps = 1/34 (2%)
Query: 44 MIERN-HGHVVALSSMCGVLGLPNVVPYCSSKFA 76
M R G +V + SM G P + YC+SK A
Sbjct: 130 MRRRKAEGTIVNIGSMSAHGGQPFLAAYCASKGA 163
>gnl|CDD|180343 PRK05993, PRK05993, short chain dehydrogenase; Provisional.
Length = 277
Score = 31.9 bits (73), Expect = 0.037
Identities = 18/46 (39%), Positives = 25/46 (54%), Gaps = 13/46 (28%)
Query: 41 LPSMIERNHGHVVALSSMCGVLGLPNVVP------YCSSKFAVREG 80
+P M ++ G +V SS +LGL VP Y +SKFA+ EG
Sbjct: 119 IPVMRKQGQGRIVQCSS---ILGL---VPMKYRGAYNASKFAI-EG 157
>gnl|CDD|215720 pfam00106, adh_short, short chain dehydrogenase. This family
contains a wide variety of dehydrogenases.
Length = 167
Score = 31.8 bits (73), Expect = 0.037
Identities = 11/32 (34%), Positives = 17/32 (53%)
Query: 46 ERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
+ + G V SS+ GVLG P Y ++ A+
Sbjct: 124 DLDLGAFVLFSSVAGVLGSPGQANYAAANAAL 155
>gnl|CDD|183772 PRK12823, benD, 1,6-dihydroxycyclohexa-2,4-diene-1-carboxylate
dehydrogenase; Provisional.
Length = 260
Score = 31.8 bits (73), Expect = 0.041
Identities = 15/41 (36%), Positives = 23/41 (56%), Gaps = 6/41 (14%)
Query: 39 AFLPSMIERNHGHVVALSSMC--GVLGLPNVVPYCSSKFAV 77
A LP M+ + G +V +SS+ G+ N VPY ++K V
Sbjct: 126 AVLPHMLAQGGGAIVNVSSIATRGI----NRVPYSAAKGGV 162
>gnl|CDD|235712 PRK06138, PRK06138, short chain dehydrogenase; Provisional.
Length = 252
Score = 31.7 bits (72), Expect = 0.047
Identities = 10/37 (27%), Positives = 17/37 (45%)
Query: 41 LPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
+P M + G +V +S + G Y +SK A+
Sbjct: 124 IPIMQRQGGGSIVNTASQLALAGGRGRAAYVASKGAI 160
>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 = 31.4 bits (72), Expect = 0.059
Identities = 12/36 (33%), Positives = 21/36 (58%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSK 74
A L MI++ G ++ +SS+ G++G Y +SK
Sbjct: 117 AVLRIMIKQRSGRIINISSVVGLMGNAGQANYAASK 152
>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 = 31.2 bits (71), Expect = 0.064
Identities = 13/39 (33%), Positives = 21/39 (53%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
M ER G +VA+SS+ + LPN + ++K A+
Sbjct: 117 QAAKLMRERGGGRIVAISSLGSIRALPNYLAVGTAKAAL 155
>gnl|CDD|168574 PRK06484, PRK06484, short chain dehydrogenase; Validated.
Length = 520
Score = 31.4 bits (71), Expect = 0.064
Identities = 16/38 (42%), Positives = 23/38 (60%), Gaps = 1/38 (2%)
Query: 41 LPSMIERNHGH-VVALSSMCGVLGLPNVVPYCSSKFAV 77
L MIE+ HG +V ++S G++ LP Y +SK AV
Sbjct: 124 LRLMIEQGHGAAIVNVASGAGLVALPKRTAYSASKAAV 161
Score = 27.1 bits (60), Expect = 1.8
Identities = 13/28 (46%), Positives = 17/28 (60%)
Query: 50 GHVVALSSMCGVLGLPNVVPYCSSKFAV 77
G +V L S+ +L LP YC+SK AV
Sbjct: 394 GVIVNLGSIASLLALPPRNAYCASKAAV 421
>gnl|CDD|180984 PRK07454, PRK07454, short chain dehydrogenase; Provisional.
Length = 241
Score = 31.1 bits (71), Expect = 0.068
Identities = 16/48 (33%), Positives = 22/48 (45%), Gaps = 3/48 (6%)
Query: 30 IFICGETLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
+F C A LP M R G ++ +SS+ P YC SK A+
Sbjct: 118 VFQC---CSAVLPGMRARGGGLIINVSSIAARNAFPQWGAYCVSKAAL 162
>gnl|CDD|180823 PRK07074, PRK07074, short chain dehydrogenase; Provisional.
Length = 257
Score = 30.9 bits (70), Expect = 0.081
Identities = 13/32 (40%), Positives = 19/32 (59%), Gaps = 2/32 (6%)
Query: 36 TLEAFLPSMIERNHGHVVALSSMCG--VLGLP 65
+EA L M++R+ G VV + S+ G LG P
Sbjct: 115 CVEAVLEGMLKRSRGAVVNIGSVNGMAALGHP 146
>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 = 30.5 bits (69), Expect = 0.095
Identities = 10/29 (34%), Positives = 17/29 (58%)
Query: 50 GHVVALSSMCGVLGLPNVVPYCSSKFAVR 78
V+ +S + G P++ Y ++KFAVR
Sbjct: 128 ARVINTASSSAIYGQPDLAVYSATKFAVR 156
>gnl|CDD|180993 PRK07478, PRK07478, short chain dehydrogenase; Provisional.
Length = 254
Score = 30.7 bits (70), Expect = 0.100
Identities = 17/52 (32%), Positives = 24/52 (46%), Gaps = 12/52 (23%)
Query: 35 ETLE-----AFL------PSMIERNHGHVVALSSMCGV-LGLPNVVPYCSSK 74
ETL AFL P+M+ R G ++ S+ G G P + Y +SK
Sbjct: 110 ETLATNLTSAFLGAKHQIPAMLARGGGSLIFTSTFVGHTAGFPGMAAYAASK 161
>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 = 30.5 bits (69), Expect = 0.11
Identities = 14/38 (36%), Positives = 18/38 (47%), Gaps = 1/38 (2%)
Query: 41 LPSMIERNH-GHVVALSSMCGVLGLPNVVPYCSSKFAV 77
MI R G +V +SS L N YCS+K A+
Sbjct: 119 ARGMIARGVPGSIVNVSSQASQRALTNHTVYCSTKAAL 156
>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 = 30.2 bits (68), Expect = 0.17
Identities = 12/37 (32%), Positives = 23/37 (62%), Gaps = 1/37 (2%)
Query: 41 LPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
LP + ++ G+++ LSS+ G +G PY ++K A+
Sbjct: 131 LPHL-RKSQGNIINLSSLVGSIGQKQAAPYVATKGAI 166
>gnl|CDD|181113 PRK07775, PRK07775, short chain dehydrogenase; Provisional.
Length = 274
Score = 30.1 bits (68), Expect = 0.18
Identities = 12/39 (30%), Positives = 21/39 (53%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
A LP MIER G ++ + S + P++ Y ++K +
Sbjct: 128 AVLPGMIERRRGDLIFVGSDVALRQRPHMGAYGAAKAGL 166
>gnl|CDD|181198 PRK08017, PRK08017, oxidoreductase; Provisional.
Length = 256
Score = 30.1 bits (68), Expect = 0.19
Identities = 13/37 (35%), Positives = 22/37 (59%)
Query: 41 LPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
LP+M+ G +V SS+ G++ P Y +SK+A+
Sbjct: 117 LPAMLPHGEGRIVMTSSVMGLISTPGRGAYAASKYAL 153
>gnl|CDD|135637 PRK05876, PRK05876, short chain dehydrogenase; Provisional.
Length = 275
Score = 29.9 bits (67), Expect = 0.19
Identities = 16/43 (37%), Positives = 26/43 (60%), Gaps = 1/43 (2%)
Query: 36 TLEAFLPSMIERNH-GHVVALSSMCGVLGLPNVVPYCSSKFAV 77
T+EAFLP ++E+ GHVV +S G++ + Y +K+ V
Sbjct: 121 TVEAFLPRLLEQGTGGHVVFTASFAGLVPNAGLGAYGVAKYGV 163
>gnl|CDD|235813 PRK06482, PRK06482, short chain dehydrogenase; Provisional.
Length = 276
Score = 29.7 bits (67), Expect = 0.19
Identities = 13/42 (30%), Positives = 22/42 (52%), Gaps = 1/42 (2%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVREG 80
A LP + + G +V +SS G + P Y ++K+ + EG
Sbjct: 117 AALPHLRRQGGGRIVQVSSEGGQIAYPGFSLYHATKWGI-EG 157
>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 = 29.6 bits (67), Expect = 0.21
Identities = 16/59 (27%), Positives = 23/59 (38%), Gaps = 4/59 (6%)
Query: 18 NNVYAVALFIPIIFICGETLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFA 76
+ + L P+ L AF +++ VV +SS V YCSSK A
Sbjct: 103 QKYFDLNLTSPVCLTST-LLRAFKKRGLKKT---VVNVSSGAAVNPFKGWGLYCSSKAA 157
>gnl|CDD|237219 PRK12827, PRK12827, short chain dehydrogenase; Provisional.
Length = 249
Score = 29.7 bits (67), Expect = 0.21
Identities = 13/39 (33%), Positives = 20/39 (51%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
A P + R G +V ++S+ GV G V Y +SK +
Sbjct: 129 ALPPMIRARRGGRIVNIASVAGVRGNRGQVNYAASKAGL 167
>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 = 29.3 bits (66), Expect = 0.28
Identities = 12/42 (28%), Positives = 23/42 (54%)
Query: 36 TLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
+ +A +P M E+ G ++ ++S G+ P + Y +SK V
Sbjct: 118 SAQALVPHMEEQGGGVIINIASTAGLRPRPGLTWYNASKGWV 159
>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 = 29.2 bits (66), Expect = 0.29
Identities = 12/46 (26%), Positives = 18/46 (39%), Gaps = 3/46 (6%)
Query: 35 ETLEAFLPSMIERNHGH---VVALSSMCGVLGLPNVVPYCSSKFAV 77
T L M + G +V + S+ G+ P Y +SK V
Sbjct: 116 NTTYLALHYMDKNKGGKGGVIVNIGSVAGLYPAPQFPVYSASKHGV 161
>gnl|CDD|236145 PRK08063, PRK08063, enoyl-(acyl carrier protein) reductase;
Provisional.
Length = 250
Score = 29.3 bits (66), Expect = 0.34
Identities = 10/37 (27%), Positives = 17/37 (45%)
Query: 41 LPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
M + G +++LSS+ + L N SK A+
Sbjct: 125 AKLMEKVGGGKIISLSSLGSIRYLENYTTVGVSKAAL 161
>gnl|CDD|235924 PRK07063, PRK07063, short chain dehydrogenase; Provisional.
Length = 260
Score = 29.2 bits (66), Expect = 0.35
Identities = 13/39 (33%), Positives = 20/39 (51%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
A LP M+ER G +V ++S +P PY +K +
Sbjct: 127 AVLPGMVERGRGSIVNIASTHAFKIIPGCFPYPVAKHGL 165
>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 = 28.9 bits (65), Expect = 0.37
Identities = 11/42 (26%), Positives = 23/42 (54%)
Query: 36 TLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
T+ A LP M ++ G ++ ++S G++ P Y ++K +
Sbjct: 116 TIRAALPHMKKQGWGRIINIASAHGLVASPFKSAYVAAKHGL 157
>gnl|CDD|132250 TIGR03206, benzo_BadH, 2-hydroxycyclohexanecarboxyl-CoA
dehydrogenase. Members of this protein family are the
enzyme 2-hydroxycyclohexanecarboxyl-CoA dehydrogenase.
The enzymatic properties were confirmed experimentally
in Rhodopseudomonas palustris; the enzyme is
homotetrameric, and not sensitive to oxygen. This enzyme
is part of proposed pathway for degradation of
benzoyl-CoA to 3-hydroxypimeloyl-CoA that differs from
the analogous in Thauera aromatica. It also may occur in
degradation of the non-aromatic compound
cyclohexane-1-carboxylate.
Length = 250
Score = 29.1 bits (65), Expect = 0.38
Identities = 10/25 (40%), Positives = 15/25 (60%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLG 63
A LP M+ER G +V ++S +G
Sbjct: 121 AVLPGMVERGAGRIVNIASDAARVG 145
>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 = 28.6 bits (64), Expect = 0.48
Identities = 13/36 (36%), Positives = 18/36 (50%), Gaps = 3/36 (8%)
Query: 35 ETLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPY 70
L+A LP ER G V+ + + + P VVPY
Sbjct: 118 NLLQAVLPDFKERGSGRVINIGT--NLFQNP-VVPY 150
>gnl|CDD|236216 PRK08277, PRK08277, D-mannonate oxidoreductase; Provisional.
Length = 278
Score = 28.7 bits (65), Expect = 0.49
Identities = 12/38 (31%), Positives = 20/38 (52%)
Query: 40 FLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
F M+ R G+++ +SSM L V Y ++K A+
Sbjct: 144 FAKDMVGRKGGNIINISSMNAFTPLTKVPAYSAAKAAI 181
>gnl|CDD|187631 cd05373, SDR_c10, classical (c) SDR, subgroup 10. This subgroup
resembles the classical SDRs, but has an incomplete
match to the canonical glycine rich NAD-binding motif
and lacks the typical active site tetrad (instead of the
critical active site Tyr, it has Phe, but contains the
nearby Lys). SDRs are a functionally diverse family of
oxidoreductases that have a single domain with a
structurally conserved Rossmann fold (alpha/beta folding
pattern with a central beta-sheet), an NAD(P)(H)-binding
region, and a structurally diverse C-terminal region.
Classical SDRs are typically about 250 residues long,
while extended SDRs are approximately 350 residues.
Sequence identity between different SDR enzymes are
typically in the 15-30% range, but the enzymes share the
Rossmann fold NAD-binding motif and characteristic
NAD-binding and catalytic sequence patterns. These
enzymes catalyze a wide range of activities including
the metabolism of steroids, cofactors, carbohydrates,
lipids, aromatic compounds, and amino acids, and act in
redox sensing. Classical SDRs have an TGXXX[AG]XG
cofactor binding motif and a YXXXK active site motif,
with the Tyr residue of the active site motif serving as
a critical catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 238
Score = 28.5 bits (64), Expect = 0.49
Identities = 14/62 (22%), Positives = 26/62 (41%), Gaps = 5/62 (8%)
Query: 17 YNNVYAVALFIPIIFICGETLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFA 76
+ V+ +A F F+ EA M+ R G ++ + + G + +KFA
Sbjct: 101 FEKVWEMAAFGG--FLAAR--EA-AKRMLARGRGTIIFTGATASLRGRAGFAAFAGAKFA 155
Query: 77 VR 78
+R
Sbjct: 156 LR 157
>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 = 28.6 bits (64), Expect = 0.51
Identities = 16/45 (35%), Positives = 24/45 (53%), Gaps = 6/45 (13%)
Query: 39 AFLPS------MIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
+FLPS M+E+ G ++ +SSM L V Y ++K AV
Sbjct: 131 SFLPSQVFGKDMLEQKGGSIINISSMNAFSPLTKVPAYSAAKAAV 175
>gnl|CDD|237100 PRK12429, PRK12429, 3-hydroxybutyrate dehydrogenase; Provisional.
Length = 258
Score = 28.7 bits (65), Expect = 0.52
Identities = 12/42 (28%), Positives = 23/42 (54%)
Query: 36 TLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
T +A LP M + G ++ ++S+ G++G Y S+K +
Sbjct: 119 TTKAALPIMKAQGGGRIINMASVHGLVGSAGKAAYVSAKHGL 160
>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 = 28.5 bits (64), Expect = 0.52
Identities = 11/60 (18%), Positives = 22/60 (36%), Gaps = 8/60 (13%)
Query: 18 NNVYAVALFIPIIFICGETLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
V ++ +A LP M++ GH++ +S + V Y + K +
Sbjct: 120 QRVNLRGTYL--------LSQAALPHMVKAGQGHILNISPPLSLRPARGDVAYAAGKAGM 171
>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 = 28.3 bits (63), Expect = 0.61
Identities = 18/64 (28%), Positives = 28/64 (43%), Gaps = 8/64 (12%)
Query: 18 NNVYAVALFIPIIFICGETLEAF--LPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKF 75
N +A+ L + L+AF P + R VV +SS+C + YC+ K
Sbjct: 115 QNYWALNLTSMLCLTS-SVLKAFKDSPG-LNRT---VVNISSLCAIQPFKGWALYCAGK- 168
Query: 76 AVRE 79
A R+
Sbjct: 169 AARD 172
>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 = 28.4 bits (64), Expect = 0.63
Identities = 11/40 (27%), Positives = 21/40 (52%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVR 78
AFLP + ++ +V +SS + + YC++K A+
Sbjct: 121 AFLPHLKKQPEATIVNVSSGLAFVPMAANPVYCATKAALH 160
>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 = 28.1 bits (63), Expect = 0.69
Identities = 14/37 (37%), Positives = 22/37 (59%), Gaps = 1/37 (2%)
Query: 41 LPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
+P +I+ G +V +SS+ G P V+ YC SK A+
Sbjct: 126 VPHLIK-TKGEIVNVSSVAGGRSFPGVLYYCISKAAL 161
>gnl|CDD|180448 PRK06182, PRK06182, short chain dehydrogenase; Validated.
Length = 273
Score = 28.0 bits (63), Expect = 0.86
Identities = 15/40 (37%), Positives = 23/40 (57%), Gaps = 1/40 (2%)
Query: 41 LPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVREG 80
LP M + G ++ +SSM G + P Y ++KFA+ EG
Sbjct: 117 LPHMRAQRSGRIINISSMGGKIYTPLGAWYHATKFAL-EG 155
>gnl|CDD|235990 PRK07326, PRK07326, short chain dehydrogenase; Provisional.
Length = 237
Score = 27.7 bits (62), Expect = 1.1
Identities = 12/42 (28%), Positives = 25/42 (59%), Gaps = 1/42 (2%)
Query: 36 TLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
T++A +P++ +R G+++ +SS+ G Y +SKF +
Sbjct: 120 TIKAAVPAL-KRGGGYIINISSLAGTNFFAGGAAYNASKFGL 160
>gnl|CDD|237188 PRK12745, PRK12745, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 256
Score = 27.6 bits (62), Expect = 1.2
Identities = 19/78 (24%), Positives = 30/78 (38%), Gaps = 24/78 (30%)
Query: 38 EAFLPSMIERNHGH------VVALSSMCGVLGLPNVVPYCSSK---------FAVREG-H 81
+A M+ + +V +SS+ ++ PN YC SK FA R
Sbjct: 122 QAVAKRMLAQPEPEELPHRSIVFVSSVNAIMVSPNRGEYCISKAGLSMAAQLFAARLAEE 181
Query: 82 NIYLGSWE------RTEM 93
I G +E +T+M
Sbjct: 182 GI--GVYEVRPGLIKTDM 197
>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 = 27.5 bits (61), Expect = 1.2
Identities = 12/40 (30%), Positives = 18/40 (45%)
Query: 38 EAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
+ P M + G ++ +SSM + Y SSK AV
Sbjct: 117 QLCAPHMQKAGGGAILNISSMSSENKNVRIAAYGSSKAAV 156
>gnl|CDD|213203 cd03236, ABC_RNaseL_inhibitor_domain1, The ATP-binding cassette
domain 1 of RNase L inhibitor. The ABC ATPase, RNase L
inhibitor (RLI), is a key enzyme in ribosomal
biogenesis, formation of translation preinitiation
complexes, and assembly of HIV capsids. RLI s are not
transport proteins and thus cluster with a group of
soluble proteins that lack the transmembrane components
commonly found in other members of the family.
Structurally, RLIs have an N-terminal Fe-S domain and
two nucleotide binding domains which are arranged to
form two composite active sites in their interface
cleft. RLI is one of the most conserved enzymes between
archaea and eukaryotes with a sequence identity more
than 48%. The high degree of evolutionary conservation
suggests that RLI performs a central role in archaeal
and eukaryotic physiology.
Length = 255
Score = 27.3 bits (61), Expect = 1.5
Identities = 10/36 (27%), Positives = 16/36 (44%)
Query: 57 SMCGVLGLPNVVPYCSSKFAVREGHNIYLGSWERTE 92
+ + G P + +VREG N +L + TE
Sbjct: 208 YIHCLYGEPGAYGVVTLPKSVREGINEFLDGYLPTE 243
>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 = 27.2 bits (61), Expect = 1.5
Identities = 14/42 (33%), Positives = 19/42 (45%), Gaps = 4/42 (9%)
Query: 25 LFIPIIFICGETLEAFLPSMIERNHGHVVALSSMCGVLGLPN 66
+ +I I A LP M ER G +V +SS+ PN
Sbjct: 109 KLLSVIRIV----RAVLPGMKERGWGRIVNISSLTVKEPEPN 146
>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 = 27.1 bits (60), Expect = 1.7
Identities = 12/34 (35%), Positives = 20/34 (58%)
Query: 44 MIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
M+ER G ++ ++S G G+ + PY +SK V
Sbjct: 128 MLERGTGRIINIASTGGKQGVVHAAPYSASKHGV 161
>gnl|CDD|180771 PRK06947, PRK06947, glucose-1-dehydrogenase; Provisional.
Length = 248
Score = 27.1 bits (60), Expect = 1.7
Identities = 14/29 (48%), Positives = 17/29 (58%), Gaps = 1/29 (3%)
Query: 50 GHVVALSSMCGVLGLPN-VVPYCSSKFAV 77
G +V +SS+ LG PN V Y SK AV
Sbjct: 136 GAIVNVSSIASRLGSPNEYVDYAGSKGAV 164
>gnl|CDD|180761 PRK06935, PRK06935, 2-deoxy-D-gluconate 3-dehydrogenase;
Provisional.
Length = 258
Score = 27.0 bits (60), Expect = 1.8
Identities = 10/34 (29%), Positives = 17/34 (50%)
Query: 44 MIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
M ++ G ++ ++SM G V Y +SK V
Sbjct: 137 MAKQGSGKIINIASMLSFQGGKFVPAYTASKHGV 170
>gnl|CDD|226908 COG4531, ZnuA, ABC-type Zn2+ transport system, periplasmic
component/surface adhesin [Inorganic ion transport and
metabolism].
Length = 318
Score = 27.0 bits (60), Expect = 2.0
Identities = 12/38 (31%), Positives = 17/38 (44%), Gaps = 1/38 (2%)
Query: 29 IIFICGETLEAFLPSMIE-RNHGHVVALSSMCGVLGLP 65
++ G LEAFL + VV L+ + GV L
Sbjct: 78 LVVWVGPDLEAFLDKPLSGLPGAKVVTLADLPGVKPLL 115
>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 = 27.0 bits (60), Expect = 2.0
Identities = 13/34 (38%), Positives = 20/34 (58%)
Query: 44 MIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
MI G +V+++S+ GV+G Y +SK AV
Sbjct: 127 MIPAKKGSIVSVASVAGVVGGLGPHAYTASKHAV 160
>gnl|CDD|143403 cd07084, ALDH_KGSADH-like, ALDH subfamily: NAD(P)+-dependent
alpha-ketoglutaric semialdehyde dehydrogenases and plant
delta(1)-pyrroline-5-carboxylate dehydrogenase, ALDH
family 12-like. ALDH subfamily which includes the
NAD(P)+-dependent, alpha-ketoglutaric semialdehyde
dehydrogenases (KGSADH, EC 1.2.1.26); plant
delta(1)-pyrroline-5-carboxylate dehydrogenase (P5CDH,
EC=1.5.1.12 ), ALDH family 12; the N-terminal domain of
the MaoC (monoamine oxidase C) dehydratase regulatory
protein; and orthologs of MaoC, PaaZ and PaaN, which are
putative ring-opening enzymes of the aerobic
phenylacetic acid catabolic pathway.
Length = 442
Score = 26.8 bits (59), Expect = 2.1
Identities = 11/55 (20%), Positives = 20/55 (36%), Gaps = 5/55 (9%)
Query: 2 PQLPYVNDKIWLVSYYNNVYAVALFIPIIFI--CGETLEAFLPSMIERNHGHVVA 54
L D+I + +F P + + A + ++ER HG + A
Sbjct: 322 SALFVPIDEILKTY---ELVTEEIFGPFAIVVEYKKDQLALVLELLERMHGSLTA 373
>gnl|CDD|181517 PRK08642, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 253
Score = 27.0 bits (60), Expect = 2.1
Identities = 12/35 (34%), Positives = 19/35 (54%), Gaps = 3/35 (8%)
Query: 36 TLEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPY 70
T++A LP M E+ G ++ + + L VVPY
Sbjct: 125 TIQAALPGMREQGFGRIINIGTN---LFQNPVVPY 156
>gnl|CDD|180822 PRK07069, PRK07069, short chain dehydrogenase; Validated.
Length = 251
Score = 26.6 bits (59), Expect = 2.4
Identities = 11/38 (28%), Positives = 17/38 (44%)
Query: 41 LPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVR 78
LP + +V +SS+ P+ Y +SK AV
Sbjct: 122 LPYLRASQPASIVNISSVAAFKAEPDYTAYNASKAAVA 159
>gnl|CDD|176190 cd05288, PGDH, Prostaglandin dehydrogenases. Prostaglandins and
related eicosanoids are metabolized by the oxidation of
the 15(S)-hydroxyl group of the NAD+-dependent (type I
15-PGDH) 15-prostaglandin dehydrogenase (15-PGDH)
followed by reduction by NADPH/NADH-dependent (type II
15-PGDH) delta-13 15-prostaglandin reductase (13-PGR) to
15-keto-13,14,-dihydroprostaglandins. 13-PGR is a
bifunctional enzyme, since it also has leukotriene B(4)
12-hydroxydehydrogenase activity. These 15-PGDH and
related enzymes are members of the medium chain
dehydrogenase/reductase family. 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.
Length = 329
Score = 26.3 bits (59), Expect = 2.9
Identities = 11/45 (24%), Positives = 17/45 (37%), Gaps = 18/45 (40%)
Query: 16 YYNNVYAVALFIPIIFICGETLEAFLPSMIERNHGHVVALSSMCG 60
Y++NV GE L+A L + G + +CG
Sbjct: 218 YFDNVG------------GEILDAALTLL--NKGGRIA----LCG 244
>gnl|CDD|180773 PRK06949, PRK06949, short chain dehydrogenase; Provisional.
Length = 258
Score = 26.3 bits (58), Expect = 3.8
Identities = 11/28 (39%), Positives = 18/28 (64%)
Query: 50 GHVVALSSMCGVLGLPNVVPYCSSKFAV 77
G ++ ++S+ G+ LP + YC SK AV
Sbjct: 146 GRIINIASVAGLRVLPQIGLYCMSKAAV 173
>gnl|CDD|177895 PLN02253, PLN02253, xanthoxin dehydrogenase.
Length = 280
Score = 25.9 bits (57), Expect = 5.0
Identities = 12/34 (35%), Positives = 16/34 (47%)
Query: 44 MIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
MI G +V+L S+ +G Y SK AV
Sbjct: 142 MIPLKKGSIVSLCSVASAIGGLGPHAYTGSKHAV 175
>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 = 25.6 bits (56), Expect = 5.3
Identities = 11/34 (32%), Positives = 20/34 (58%)
Query: 41 LPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSK 74
+P + R G ++ L+S+ GV+G V Y ++K
Sbjct: 120 MPMIRARQGGRIITLASVSGVMGNRGQVNYSAAK 153
>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 = 25.5 bits (56), Expect = 5.5
Identities = 8/39 (20%), Positives = 20/39 (51%)
Query: 39 AFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAV 77
LP ++ + ++ +SS + + + YC++K A+
Sbjct: 121 LLLPHLLRQPEATIINVSSGLAFVPMASTPVYCATKAAI 159
>gnl|CDD|236207 PRK08261, fabG, 3-ketoacyl-(acyl-carrier-protein) reductase;
Provisional.
Length = 450
Score = 25.6 bits (57), Expect = 6.2
Identities = 9/26 (34%), Positives = 15/26 (57%)
Query: 38 EAFLPSMIERNHGHVVALSSMCGVLG 63
EA L + + G +V +SS+ G+ G
Sbjct: 324 EALLAAGALGDGGRIVGVSSISGIAG 349
>gnl|CDD|180408 PRK06114, PRK06114, short chain dehydrogenase; Provisional.
Length = 254
Score = 25.5 bits (56), Expect = 6.4
Identities = 13/38 (34%), Positives = 21/38 (55%), Gaps = 4/38 (10%)
Query: 43 SMIERNHGHVVALSSMCGVL---GLPNVVPYCSSKFAV 77
+M+E G +V ++SM G++ GL Y +SK V
Sbjct: 131 AMLENGGGSIVNIASMSGIIVNRGL-LQAHYNASKAGV 167
>gnl|CDD|235794 PRK06398, PRK06398, aldose dehydrogenase; Validated.
Length = 258
Score = 25.2 bits (55), Expect = 7.0
Identities = 15/65 (23%), Positives = 29/65 (44%), Gaps = 7/65 (10%)
Query: 41 LPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFAVREGHNIYLGSWERTEMNYLFLAH 100
+P M++++ G ++ ++S+ N Y +SK AV LG ++Y
Sbjct: 115 IPYMLKQDKGVIINIASVQSFAVTRNAAAYVTSKHAV-------LGLTRSIAVDYAPTIR 167
Query: 101 CITTC 105
C+ C
Sbjct: 168 CVAVC 172
>gnl|CDD|187619 cd05361, haloalcohol_DH_SDR_c-like, haloalcohol dehalogenase,
classical (c) SDRs. Dehalogenases cleave carbon-halogen
bonds. Haloalcohol dehalogenase show low sequence
similarity to short-chain dehydrogenases/reductases
(SDRs). Like the SDRs, haloalcohol dehalogenases have a
conserved catalytic triad (Ser-Tyr-Lys/Arg), and form a
Rossmann fold. However, the normal classical SDR
NAD(P)-binding motif (TGXXGXG) and NAD-binding function
is replaced with a halide binding site, allowing the
enzyme to catalyze a dehalogenation reaction. SDRs are a
functionally diverse family of oxidoreductases that have
a single domain with a structurally conserved Rossmann
fold (alpha/beta folding pattern with a central
beta-sheet), an NAD(P)(H)-binding region, and a
structurally diverse C-terminal region. Classical SDRs
are typically about 250 residues long, while extended
SDRs are approximately 350 residues. Sequence identity
between different SDR enzymes are typically in the
15-30% range, but the enzymes share the Rossmann fold
NAD-binding motif and characteristic NAD-binding and
catalytic sequence patterns. These enzymes catalyze a
wide range of activities including the metabolism of
steroids, cofactors, carbohydrates, lipids, aromatic
compounds, and amino acids, and act in redox sensing.
Classical SDRs have an TGXXX[AG]XG cofactor binding
motif and a YXXXK active site motif, with the Tyr
residue of the active site motif serving as a critical
catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase (15-PGDH)
numbering). In addition to the Tyr and Lys, there is
often an upstream Ser (Ser-138, 15-PGDH numbering)
and/or an Asn (Asn-107, 15-PGDH numbering) contributing
to the active site; while substrate binding is in the
C-terminal region, which determines specificity. The
standard reaction mechanism is a 4-pro-S hydride
transfer and proton relay involving the conserved Tyr
and Lys, a water molecule stabilized by Asn, and
nicotinamide. Extended SDRs have additional elements in
the C-terminal region, and typically have a TGXXGXXG
cofactor binding motif. Complex (multidomain) SDRs such
as ketoreductase domains of fatty acid synthase have a
GGXGXXG NAD(P)-binding motif and an altered active site
motif (YXXXN). Fungal type ketoacyl reductases have a
TGXXXGX(1-2)G NAD(P)-binding motif. Some atypical SDRs
have lost catalytic activity and/or have an unusual
NAD(P)-binding motif and missing or unusual active site
residues. Reactions catalyzed within the SDR family
include isomerization, decarboxylation, epimerization,
C=N bond reduction, dehydratase activity,
dehalogenation, Enoyl-CoA reduction, and
carbonyl-alcohol oxidoreduction.
Length = 242
Score = 25.2 bits (55), Expect = 7.1
Identities = 8/40 (20%), Positives = 17/40 (42%)
Query: 37 LEAFLPSMIERNHGHVVALSSMCGVLGLPNVVPYCSSKFA 76
L+A + M + G ++ ++S L Y ++ A
Sbjct: 112 LQAAIAQMKKAGGGSIIFITSAVPKKPLAYNSLYGPARAA 151
>gnl|CDD|223447 COG0370, FeoB, Fe2+ transport system protein B [Inorganic ion
transport and metabolism].
Length = 653
Score = 25.3 bits (56), Expect = 7.2
Identities = 10/26 (38%), Positives = 14/26 (53%), Gaps = 5/26 (19%)
Query: 12 WLVSYYNN-----VYAVALFIPIIFI 32
L S+ + V AV +F+P IFI
Sbjct: 323 LLGSFLADGIIGGVGAVLVFLPQIFI 348
>gnl|CDD|221409 pfam12074, DUF3554, Domain of unknown function (DUF3554). This
presumed domain is functionally uncharacterized. This
domain is found in eukaryotes. This domain is typically
between 287 to 356 amino acids in length. This domain is
found associated with pfam02985.
Length = 329
Score = 25.1 bits (55), Expect = 8.6
Identities = 11/37 (29%), Positives = 20/37 (54%), Gaps = 7/37 (18%)
Query: 10 KIWLVSYYNNVYAVALFIPIIFICGETLEAFLPSMIE 46
KIWL+S ++ + +P+I E FLP +++
Sbjct: 79 KIWLLSLGEALWNNSASLPLI-------EDFLPKLLK 108
>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 = 25.1 bits (55), Expect = 8.7
Identities = 11/28 (39%), Positives = 21/28 (75%)
Query: 50 GHVVALSSMCGVLGLPNVVPYCSSKFAV 77
G++V +SS+ GV+ +P+ PY ++K A+
Sbjct: 136 GNIVFISSVAGVIAVPSGAPYGATKGAL 163
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
0.327 0.141 0.476
Gapped
Lambda K H
0.267 0.0753 0.140
Matrix: BLOSUM62
Gap Penalties: Existence: 11, Extension: 1
Number of Sequences: 44354
Number of Hits to DB: 5,511,190
Number of extensions: 464819
Number of successful extensions: 692
Number of sequences better than 10.0: 1
Number of HSP's gapped: 685
Number of HSP's successfully gapped: 153
Length of query: 107
Length of database: 10,937,602
Length adjustment: 72
Effective length of query: 35
Effective length of database: 7,744,114
Effective search space: 271043990
Effective search space used: 271043990
Neighboring words threshold: 11
Window for multiple hits: 40
X1: 15 ( 7.1 bits)
X2: 38 (14.6 bits)
X3: 64 (24.7 bits)
S1: 40 (21.7 bits)
S2: 53 (24.1 bits)