Annotations: 6I5B

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	L_protein_N	e6i5bB1	A: a/b three-layered sandwiches	X: Family A G protein-coupled receptor-like	H: beta-sandwich domain in metalloprotease stcE	T: Restriction endonuclease-like	F: L_protein_N	ECOD (v294.1)
A	Cytochrome_C554	e6i5bA1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Cytochrome_C554	ECOD (v294.1)
A	LRR_5	e6i5bA2	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: LRR_5	ECOD (v294.1)

Chains	Accession	Name	Description	Comments	Source
A, B	PF02335	Cytochrome c552 (Cytochrom_C552)	Cytochrome c552	-	Family
A, B	PF13435	Cytochrome c554 and c-prime (Cytochrome_C554)	Cytochrome c554 and c-prime	-	Family

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Uncharacterized protein	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 cation binding ion binding binding metal ion binding small molecule binding	-	cellular anatomical structure extracellular region periplasmic space

Chains	Accession	Name	Type
A, B	IPR051829	Multiheme_Cytochr_ET	Unknown
A, B	IPR036280	Multiheme cytochrome superfamily	Homologous Superfamily
A, B	IPR023155	Cytochrome c-552/4	Domain
A, B	IPR003321	Cytochrome c552	Family