1HDC | pdb_00001hdc

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
D	d1hdcd_	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	d1hdcc_	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	d1hdcb_	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)
A	d1hdca_	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)

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	SDR-like	8057173	3000038	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	SDR-like	8057173	3000038	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	SDR-like	8057173	3000038	SCOP2B (2022-06-29)
A	SCOP2 Family	Short-chain dehydrogenases/reductases, SDR	8057172	4000029	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	SDR-like	8057173	3000038	SCOP2 (2022-06-29)

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	NAD_binding_3	e1hdcD1	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: NAD_binding_3	ECOD (v295.2)
C	NAD_binding_3	e1hdcC1	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: NAD_binding_3	ECOD (v295.2)
B	NAD_binding_3	e1hdcB1	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: NAD_binding_3	ECOD (v295.2)
A	adh_short_C2	e1hdcA1	A: alpha arrays	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: adh_short_C2	ECOD (v295.2)

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

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 androstan-3-alpha,17-beta-diol dehydrogenase (NAD+) activity steroid dehydrogenase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor catalytic activity	regulation of hormone levels steroid metabolic process biological regulation primary metabolic process metabolic process cellular process regulation of biological quality C21-steroid hormone metabolic process hormone metabolic process lipid metabolic process	-

Chains	Accession	Name	Type
A, B, C, D	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
A, B, C, D	IPR057326	Ketoreductase domain	Domain
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 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.