1Q13 | pdb_00001q13

Crystal structure of rabbit 20alpha hyroxysteroid dehydrogenase in ternary complex with NADP and testosterone

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-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1q13b_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	NAD(P)-linked oxidoreductase	Aldo-keto reductases (NADP)	20alpha-hydroxysteroid dehydrogenase	rabbit (Oryctolagus cuniculus ) [TaxId: 9986 ],	SCOPe (2.08)
A	d1q13a_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	NAD(P)-linked oxidoreductase	Aldo-keto reductases (NADP)	20alpha-hydroxysteroid dehydrogenase	rabbit (Oryctolagus cuniculus ) [TaxId: 9986 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	NAD(P)-linked oxidoreductase	8038497	3000288	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	NAD(P)-linked oxidoreductase	8038497	3000288	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)
B		e1q13B1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: PF27526	F:	ECOD (20:10:01)
A		e1q13A1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: PF27526	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.20.20.100	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	NADP-dependent oxidoreductase domain	CATH (4.3.0)
A	3.20.20.100	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	NADP-dependent oxidoreductase domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00248	Aldo/keto reductase family (Aldo_ket_red)	Aldo/keto reductase family	This family includes a number of K+ ion channel beta chain regulatory domains - these are reported to have oxidoreductase activity [2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Prostaglandin-E2 9-reductase	prostaglandin E2 9-reductase 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 catalytic activity steroid dehydrogenase activity 17-alpha,20-alpha-dihydroxypregn-4-en-3-one dehydrogenase [NAD(P)+] activity steroid dehydrogenase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor	icosanoid metabolic process prostaglandin metabolic process unsaturated fatty acid metabolic process oxoacid metabolic process lipid biosynthetic process organic acid biosynthetic process organic acid metabolic process carboxylic acid biosynthetic process prostanoid metabolic process icosanoid biosynthetic process small molecule metabolic process prostaglandin biosynthetic process prostanoid biosynthetic process fatty acid metabolic process icosanoid metabolic process prostaglandin metabolic process unsaturated fatty acid metabolic process oxoacid metabolic process lipid biosynthetic process organic acid biosynthetic process organic acid metabolic process carboxylic acid biosynthetic process prostanoid metabolic process icosanoid biosynthetic process small molecule metabolic process prostaglandin biosynthetic process prostanoid biosynthetic process fatty acid metabolic process monocarboxylic acid biosynthetic process small molecule biosynthetic process carboxylic acid metabolic process primary metabolic process fatty acid biosynthetic process unsaturated fatty acid biosynthetic process biosynthetic process metabolic process cellular process monocarboxylic acid metabolic process lipid metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR018170	Aldo/keto reductase, conserved site	Conserved Site
A, B	IPR023210	NADP-dependent oxidoreductase domain	Domain
A, B	IPR036812	NAD(P)-dependent oxidoreductase domain superfamily	Homologous Superfamily
A, B	IPR020471	Aldo-keto reductase	Family
A, B	IPR044482	Aldo-keto reductase family 1 member C	Family

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.