Annotations: 8BCX

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	Ku_PK_bind	e8bcxD1	A: a/b three-layered sandwiches	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Ku_PK_bind	ECOD (v294.1)
C	V-set	e8bcxC1	A: a/b three-layered sandwiches	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: V-set	ECOD (v294.1)
B	Ku_PK_bind	e8bcxB1	A: a/b three-layered sandwiches	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Ku_PK_bind	ECOD (v294.1)
A	Ku_PK_bind	e8bcxA1	A: a/b three-layered sandwiches	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Ku_PK_bind	ECOD (v294.1)

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF02335	Cytochrome c552 (Cytochrom_C552)	Cytochrome c552	-	Family

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Nitrite reductase (cytochrome; ammonia-forming)	oxidoreductase activity, acting on other nitrogenous compounds as donors, cytochrome as acceptor oxidoreductase activity nitrite reductase (cytochrome, ammonia-forming) activity oxidoreductase activity, acting on other nitrogenous compounds as donors nitrite reductase activity catalytic activity binding tetrapyrrole binding heme binding cation binding ion binding metal ion binding small molecule binding	anaerobic electron transport chain cellular respiration energy derivation by oxidation of organic compounds respiratory electron transport chain electron transport chain metabolic process cellular process generation of precursor metabolites and energy anaerobic respiration	cellular anatomical structure extracellular region outer membrane-bounded periplasmic space cell envelope periplasmic space