Annotations: 9CUF

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Cytochrome c-552	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding 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 organic cyclic compound binding tetrapyrrole binding cation binding ion binding binding calcium ion binding metal ion binding small molecule binding 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 organic cyclic compound binding tetrapyrrole binding heme binding transition metal ion binding iron ion binding	nitrate assimilation nitrogen cycle metabolic process oxoacid metabolic process metabolic process cellular process small molecule metabolic process organic acid metabolic process nitrate metabolic process reactive nitrogen species metabolic process anaerobic electron transport chain cellular respiration energy derivation by oxidation of organic compounds respiratory electron transport chain electron transport chain nitrate assimilation nitrogen cycle metabolic process oxoacid metabolic process metabolic process cellular process small molecule metabolic process organic acid metabolic process nitrate metabolic process reactive nitrogen species metabolic process anaerobic electron transport chain cellular respiration energy derivation by oxidation of organic compounds respiratory electron transport chain electron transport chain generation of precursor metabolites and energy anaerobic respiration	cellular anatomical structure outer membrane-bounded periplasmic space cell envelope periplasmic space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR017570	Formate-dependent cytochrome c nitrite reductase, c552 subunit	Family
A, B	IPR036280	Multiheme cytochrome superfamily	Homologous Superfamily
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.