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2HSD

THE REFINED THREE-DIMENSIONAL STRUCTURE OF 3ALPHA,20BETA-HYDROXYSTEROID DEHYDROGENASE AND POSSIBLE ROLES OF THE RESIDUES CONSERVED IN SHORT-CHAIN DEHYDROGENASES

Replaces:  1HSD
Functional Information from GO Data
ChainGOidnamespacecontents
A0006629biological_processlipid metabolic process
A0008202biological_processsteroid metabolic process
A0008207biological_processC21-steroid hormone metabolic process
A0016491molecular_functionoxidoreductase activity
A0016616molecular_functionoxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor
A0047044molecular_functionandrostan-3-alpha,17-beta-diol dehydrogenase (NAD+) activity
B0006629biological_processlipid metabolic process
B0008202biological_processsteroid metabolic process
B0008207biological_processC21-steroid hormone metabolic process
B0016491molecular_functionoxidoreductase activity
B0016616molecular_functionoxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor
B0047044molecular_functionandrostan-3-alpha,17-beta-diol dehydrogenase (NAD+) activity
C0006629biological_processlipid metabolic process
C0008202biological_processsteroid metabolic process
C0008207biological_processC21-steroid hormone metabolic process
C0016491molecular_functionoxidoreductase activity
C0016616molecular_functionoxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor
C0047044molecular_functionandrostan-3-alpha,17-beta-diol dehydrogenase (NAD+) activity
D0006629biological_processlipid metabolic process
D0008202biological_processsteroid metabolic process
D0008207biological_processC21-steroid hormone metabolic process
D0016491molecular_functionoxidoreductase activity
D0016616molecular_functionoxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor
D0047044molecular_functionandrostan-3-alpha,17-beta-diol dehydrogenase (NAD+) activity
Functional Information from PDB Data
site_idAC1
Number of Residues22
DetailsBINDING SITE FOR RESIDUE NAD A 256
ChainResidue
AGLY13
AASP60
AVAL61
AASN87
AALA88
AGLY89
AILE137
ASER138
ASER139
ATYR152
ALYS156
AARG16
APRO182
AGLY183
ATHR185
AGLY17
ALEU18
AGLY19
AASP37
AVAL38
ALEU39
ALEU59

site_idAC2
Number of Residues22
DetailsBINDING SITE FOR RESIDUE NAD B 256
ChainResidue
BGLY13
BARG16
BGLY17
BLEU18
BASP37
BVAL38
BLEU39
BLEU59
BASP60
BVAL61
BASN87
BALA88
BGLY89
BILE110
BILE137
BSER139
BTYR152
BLYS156
BPRO182
BGLY183
BTHR185
BTHR190

site_idAC3
Number of Residues18
DetailsBINDING SITE FOR RESIDUE NAD C 256
ChainResidue
CGLY13
CARG16
CLEU18
CASP37
CLEU39
CLEU59
CASP60
CVAL61
CASN87
CALA88
CGLY89
CILE110
CILE137
CSER138
CSER139
CTYR152
CLYS156
CPRO182

site_idAC4
Number of Residues18
DetailsBINDING SITE FOR RESIDUE NAD D 256
ChainResidue
DARG16
DGLY17
DLEU18
DASP37
DVAL38
DLEU39
DLEU59
DASP60
DVAL61
DASN87
DALA88
DGLY89
DTYR152
DLYS156
DGLY183
DTHR187
DMET189
DTHR190

Functional Information from PROSITE/UniProt
site_idPS00061
Number of Residues29
DetailsADH_SHORT Short-chain dehydrogenases/reductases family signature. SaaglmglalTssYGASKWGVrGLSkLAA
ChainResidueDetails
ASER139-ALA167

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsActive site: {"description":"Proton acceptor"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues96
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues1
DetailsAnnotated By Reference To The Literature 1eq2
ChainResidueDetails
ALEU143

site_idCSA10
Number of Residues2
DetailsAnnotated By Reference To The Literature 1eq2
ChainResidueDetails
ALYS156
ATHR149

site_idCSA11
Number of Residues2
DetailsAnnotated By Reference To The Literature 1eq2
ChainResidueDetails
BLYS156
BTHR149

site_idCSA12
Number of Residues2
DetailsAnnotated By Reference To The Literature 1eq2
ChainResidueDetails
CLYS156
CTHR149

site_idCSA13
Number of Residues2
DetailsAnnotated By Reference To The Literature 1eq2
ChainResidueDetails
DLYS156
DTHR149

site_idCSA14
Number of Residues2
DetailsAnnotated By Reference To The Literature 1eq2
ChainResidueDetails
ATYR152
ALYS156

site_idCSA15
Number of Residues2
DetailsAnnotated By Reference To The Literature 1eq2
ChainResidueDetails
BTYR152
BLYS156

site_idCSA16
Number of Residues2
DetailsAnnotated By Reference To The Literature 1eq2
ChainResidueDetails
CTYR152
CLYS156

site_idCSA17
Number of Residues2
DetailsAnnotated By Reference To The Literature 1eq2
ChainResidueDetails
DTYR152
DLYS156

site_idCSA2
Number of Residues3
DetailsAnnotated By Reference To The Literature 1eq2
ChainResidueDetails
ATYR152
ALYS156
ASER139

site_idCSA3
Number of Residues3
DetailsAnnotated By Reference To The Literature 1eq2
ChainResidueDetails
BTYR152
BLYS156
BSER139

site_idCSA4
Number of Residues3
DetailsAnnotated By Reference To The Literature 1eq2
ChainResidueDetails
CTYR152
CLYS156
CSER139

site_idCSA5
Number of Residues3
DetailsAnnotated By Reference To The Literature 1eq2
ChainResidueDetails
DTYR152
DLYS156
DSER139

site_idCSA6
Number of Residues4
DetailsAnnotated By Reference To The Literature 1eq2
ChainResidueDetails
AASN111
ATYR152
ALYS156
ASER139

site_idCSA7
Number of Residues4
DetailsAnnotated By Reference To The Literature 1eq2
ChainResidueDetails
BASN111
BTYR152
BLYS156
BSER139

site_idCSA8
Number of Residues4
DetailsAnnotated By Reference To The Literature 1eq2
ChainResidueDetails
CASN111
CTYR152
CLYS156
CSER139

site_idCSA9
Number of Residues4
DetailsAnnotated By Reference To The Literature 1eq2
ChainResidueDetails
DASN111
DTYR152
DLYS156
DSER139

238895

PDB entries from 2025-07-16

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