4AT2 | pdb_00004at2

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PRK07843	e4at2A2	A: alpha arrays	X: HTH	H: HTH	T: HTH motif inserted in other structures	F: PRK07843	ECOD (1.6)
A	FAD_binding_2_1	e4at2A1	A: a+b complex topology	X: Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain (From Topology)	H: Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain (From Topology)	T: Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain	F: FAD_binding_2_1	ECOD (1.6)
A	FAD_binding_3_1st	e4at2A3	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: FAD_binding_3_1st	ECOD (1.6)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.50.50.60	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	CATH (4.2.0)
A	3.90.700.10	Alpha Beta	Alpha-Beta Complex	Flavocytochrome C3	Chain A, domain 1	CATH (4.2.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	3-KETOSTEROID-DELTA4-5ALPHA-DEHYDROGENASE	steroid dehydrogenase activity oxidoreductase activity steroid dehydrogenase activity, acting on the CH-CH group of donors oxidoreductase activity, acting on the CH-CH group of donors catalytic activity binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding	steroid metabolic process primary metabolic process metabolic process cellular process lipid metabolic process	-

Chains	Accession	Name	Type
A	IPR003953	FAD-dependent oxidoreductase 2, FAD-binding domain	Domain
A	IPR050315	FAD-dependent oxidoreductase 2	Family
A	IPR036188	FAD/NAD(P)-binding domain superfamily	Homologous Superfamily
A	IPR027477	Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain superfamily	Homologous Superfamily