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1LWI

3-ALPHA-HYDROXYSTEROID/DIHYDRODIOL DEHYDROGENASE FROM RATTUS NORVEGICUS

Functional Information from GO Data
ChainGOidnamespacecontents
A0004032molecular_functionaldose reductase (NADPH) activity
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006693biological_processprostaglandin metabolic process
A0006710biological_processandrogen catabolic process
A0008202biological_processsteroid metabolic process
A0016229molecular_functionsteroid dehydrogenase activity
A0016491molecular_functionoxidoreductase activity
A0021766biological_processhippocampus development
A0032052molecular_functionbile acid binding
A0042448biological_processprogesterone metabolic process
A0044597biological_processdaunorubicin metabolic process
A0044598biological_processdoxorubicin metabolic process
A0047023molecular_functionandrosterone dehydrogenase [NAD(P)+] activity
A0047086molecular_functionketosteroid monooxygenase activity
A0140169molecular_function3-alpha-hydroxysteroid 3-dehydrogenase [NAD(P)+] activity
A1904638biological_processresponse to resveratrol
B0004032molecular_functionaldose reductase (NADPH) activity
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0006693biological_processprostaglandin metabolic process
B0006710biological_processandrogen catabolic process
B0008202biological_processsteroid metabolic process
B0016229molecular_functionsteroid dehydrogenase activity
B0016491molecular_functionoxidoreductase activity
B0021766biological_processhippocampus development
B0032052molecular_functionbile acid binding
B0042448biological_processprogesterone metabolic process
B0044597biological_processdaunorubicin metabolic process
B0044598biological_processdoxorubicin metabolic process
B0047023molecular_functionandrosterone dehydrogenase [NAD(P)+] activity
B0047086molecular_functionketosteroid monooxygenase activity
B0140169molecular_function3-alpha-hydroxysteroid 3-dehydrogenase [NAD(P)+] activity
B1904638biological_processresponse to resveratrol
Functional Information from PDB Data
site_idAC1
Number of Residues24
DetailsBINDING SITE FOR RESIDUE NAP A 350
ChainResidue
AGLY22
AGLN190
ATYR216
ACYS217
ATHR218
ALEU219
AGLY220
ASER221
AALA253
ALEU268
AARG270
ATHR23
ASER271
APHE272
AARG276
AGLU279
AHOH351
ATHR24
AASP50
ATYR55
ALYS84
AHIS117
ASER166
AASN167

site_idAC2
Number of Residues24
DetailsBINDING SITE FOR RESIDUE NAP B 350
ChainResidue
BGLY22
BTHR23
BTHR24
BASP50
BTYR55
BLYS84
BHIS117
BSER166
BASN167
BGLN190
BTYR216
BCYS217
BTHR218
BLEU219
BGLY220
BSER221
BALA253
BLEU268
BARG270
BSER271
BPHE272
BARG276
BGLU279
BHOH351

Functional Information from PROSITE/UniProt
site_idPS00062
Number of Residues18
DetailsALDOKETO_REDUCTASE_2 Aldo/keto reductase family signature 2. MekckdaglAKSIGVSNF
ChainResidueDetails
AMET151-PHE168

site_idPS00063
Number of Residues16
DetailsALDOKETO_REDUCTASE_3 Aldo/keto reductase family putative active site signature. LIRSFNakRIkELtQV
ChainResidueDetails
ALEU268-VAL283

site_idPS00798
Number of Residues18
DetailsALDOKETO_REDUCTASE_1 Aldo/keto reductase family signature 1. GFRHFDSAylyevEeeVG
ChainResidueDetails
AGLY45-GLY62

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Proton donor"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues44
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"9261071","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsSite: {"description":"Lowers pKa of active site Tyr","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"Blocked amino end (Met)"}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1mrq
ChainResidueDetails
ALYS84
AHIS117
AASP50
ATYR55

site_idCSA2
Number of Residues4
DetailsAnnotated By Reference To The Literature 1mrq
ChainResidueDetails
BLYS84
BHIS117
BASP50
BTYR55

site_idCSA3
Number of Residues2
DetailsAnnotated By Reference To The Literature 1mrq
ChainResidueDetails
ALYS84
ATYR55

site_idCSA4
Number of Residues2
DetailsAnnotated By Reference To The Literature 1mrq
ChainResidueDetails
BLYS84
BTYR55

247947

PDB entries from 2026-01-21

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