Annotations: 1AHH

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1ahhb_	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	Tyrosine-dependent oxidoreductases	7-alpha-hydroxysteroid dehydrogenase	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d1ahha_	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	Tyrosine-dependent oxidoreductases	7-alpha-hydroxysteroid dehydrogenase	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	SDR-like	8054274	3000038	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	SDR-like	8054274	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)
B		e1ahhB1	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: NAD_binding_3	F:	ECOD (20:10:01)
A		e1ahhA1	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: NAD_binding_3	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	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	7 ALPHA-HYDROXYSTEROID DEHYDROGENASE	NAD binding binding nucleoside phosphate binding purine nucleotide binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding small molecule binding 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 catalytic activity NAD binding binding nucleoside phosphate binding purine nucleotide binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding small molecule binding 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 catalytic activity cholate 7-alpha-dehydrogenase (NAD+) activity identical protein binding protein binding chenodeoxycholate 7-alpha-dehydrogenase (NAD+) activity	lipid catabolic process catabolic process metabolic process cellular process primary metabolic process lipid metabolic process oxoacid metabolic process steroid metabolic process carboxylic acid metabolic process organic acid metabolic process organic acid catabolic process bile acid catabolic process bile acid metabolic process monocarboxylic acid catabolic process lipid catabolic process catabolic process metabolic process cellular process primary metabolic process lipid metabolic process oxoacid metabolic process steroid metabolic process carboxylic acid metabolic process organic acid metabolic process organic acid catabolic process bile acid catabolic process bile acid metabolic process monocarboxylic acid catabolic process carboxylic acid catabolic process small molecule metabolic process monocarboxylic acid metabolic process small molecule catabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol protein-containing complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
A, B	IPR002347	Short-chain dehydrogenase/reductase SDR	Family
A, B	IPR050259	Short-chain dehydrogenases/reductases	Family
A, B	IPR020904	Short-chain dehydrogenase/reductase, conserved site	Conserved Site

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