Annotations: 2K3V

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2k3va_	All alpha proteins	Multiheme cytochromes	Multiheme cytochromes	Di-heme elbow motif	automated matches	(Shewanella frigidimarina NCIMB 400 ) [TaxId: 318167 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF14537	e2k3vA1	A: few secondary structure elements	X: Multiheme cytochromes	H: Di-heme elbow motif (From Topology)	T: Di-heme elbow motif	F: PF14537	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.1130.10	Mainly Alpha	Orthogonal Bundle	Flavocytochrome C3	Chain A, domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF14537	Cytochrome c3 (Cytochrom_c3_2)	Cytochrome c3	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Tetraheme cytochrome c-type	cation binding ion binding binding metal ion binding small molecule binding	-	periplasmic space cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036280	Multiheme cytochrome superfamily	Homologous Superfamily
A	IPR012286	Tetrahaem cytochrome domain	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.