2HSD

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

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2hsda_	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	Tyrosine-dependent oxidoreductases	3-alpha,20-beta-hydroxysteroid dehydrogenase	(Streptomyces exfoliatus ) [TaxId: 1905 ],	SCOPe (2.08)
B	d2hsdb_	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	Tyrosine-dependent oxidoreductases	3-alpha,20-beta-hydroxysteroid dehydrogenase	(Streptomyces exfoliatus ) [TaxId: 1905 ],	SCOPe (2.08)
C	d2hsdc_	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	Tyrosine-dependent oxidoreductases	3-alpha,20-beta-hydroxysteroid dehydrogenase	(Streptomyces exfoliatus ) [TaxId: 1905 ],	SCOPe (2.08)
D	d2hsdd_	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	Tyrosine-dependent oxidoreductases	3-alpha,20-beta-hydroxysteroid dehydrogenase	(Streptomyces exfoliatus ) [TaxId: 1905 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	SDR-like	8057173	3000038	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	SDR-like	8057173	3000038	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	SDR-like	8057173	3000038	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	SDR-like	8057173	3000038	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	adh_short_C2	e2hsdA1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: adh_short_C2	ECOD (1.6)
B	adh_short_C2	e2hsdB1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: adh_short_C2	ECOD (1.6)
C	adh_short_C2	e2hsdC1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: adh_short_C2	ECOD (1.6)
D	adh_short_C2	e2hsdD1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: adh_short_C2	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
B	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
C	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
D	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00106	short chain dehydrogenase (adh_short)	short chain dehydrogenase	This family contains a wide variety of dehydrogenases.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	3-ALPHA, 20 BETA-HYDROXYSTEROID DEHYDROGENASE	steroid dehydrogenase activity oxidoreductase activity oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor oxidoreductase activity, acting on CH-OH group of donors steroid dehydrogenase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor androstan-3-alpha,17-beta-diol dehydrogenase activity catalytic activity	regulation of hormone levels steroid metabolic process biological regulation primary metabolic process C21-steroid hormone metabolic process hormone metabolic process organic cyclic compound metabolic process organic substance metabolic process metabolic process cellular process regulation of biological quality lipid metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
A, B, C, D	IPR002347	Short-chain dehydrogenase/reductase SDR	Family
A, B, C, D	IPR020904	Short-chain dehydrogenase/reductase, conserved site	Conserved Site

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.