Annotations: 2BPB

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B		e2bpbB1	A: HTH	X: HTH	H: winged helix domain	T: MATH_2	F:	ECOD (20:10:01)
A		e2bpbA1	A: HTH	X: HTH	H: winged helix domain	T: MATH_2	F:	ECOD (20:10:01)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.10.760.10	Mainly Alpha	Orthogonal Bundle	Cytochrome Bc1 Complex	Chain D, domain 2	CATH (4.3.0)
A	3.90.420.10	Alpha Beta	Alpha-Beta Complex	Sulfite Oxidase	Chain A, domain 2	CATH (4.3.0)
A	2.60.40.650	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	SULFITE\:CYTOCHROME C OXIDOREDUCTASE SUBUNIT B	binding tetrapyrrole binding heme binding electron transfer activity cation binding ion binding metal ion binding small molecule binding	-	-
A	SULFITE\:CYTOCHROME C OXIDOREDUCTASE SUBUNIT A	cation binding transition metal ion binding molybdenum ion binding ion binding binding metal ion binding small molecule binding oxidoreductase activity, acting on a sulfur group of donors oxidoreductase activity sulfite oxidase activity oxidoreductase activity, acting on a sulfur group of donors, oxygen as acceptor catalytic activity molybdopterin cofactor binding tetrapyrrole binding cation binding transition metal ion binding molybdenum ion binding ion binding binding metal ion binding small molecule binding oxidoreductase activity, acting on a sulfur group of donors oxidoreductase activity sulfite oxidase activity oxidoreductase activity, acting on a sulfur group of donors, oxygen as acceptor catalytic activity molybdopterin cofactor binding tetrapyrrole binding heme binding	sulfur compound metabolic process metabolic process cellular process	-

Chains	Accession	Name	Type
B	IPR036909	Cytochrome c-like domain superfamily	Homologous Superfamily
A	IPR000572	Oxidoreductase, molybdopterin-binding domain	Domain
A	IPR014756	Immunoglobulin E-set	Homologous Superfamily
A	IPR006311	Twin-arginine translocation pathway, signal sequence	Conserved Site
A	IPR005066	Moybdenum cofactor oxidoreductase, dimerisation	Domain
A	IPR008335	Eukaryotic molybdopterin oxidoreductase	Family
A	IPR036374	Oxidoreductase, molybdopterin-binding domain superfamily	Homologous Superfamily