Annotations: 6I5B

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	L_protein_N	e6i5bB1	A: beta barrels	X: Family A G protein-coupled receptor-like	H: beta-sandwich domain in metalloprotease stcE	T: Restriction endonuclease-like	F: L_protein_N	ECOD (v294.2)
A	Cytochrome_C554	e6i5bA1	A: beta barrels	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Cytochrome_C554	ECOD (v294.2)
A	LRR_5	e6i5bA2	A: beta barrels	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: LRR_5	ECOD (v294.2)

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

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

6I5B | pdb_00006i5b