2BQ4 | pdb_00002bq4

Crystal structure of type I cytochrome c3 from Desulfovibrio africanus

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d2bq4b_	All alpha proteins	Multiheme cytochromes	Multiheme cytochromes	automated matches	automated matches	(Desulfocurvibacter africanus ) [TaxId: 873 ],	SCOPe (2.08)
A	d2bq4a_	All alpha proteins	Multiheme cytochromes	Multiheme cytochromes	automated matches	automated matches	(Desulfocurvibacter africanus ) [TaxId: 873 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Cytochrome c3-like	8068597	3002451	SCOP2B (2022-06-29)
A	SCOP2 Family	Cytochrome c3-like	8068596	4001548	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Cytochrome c3-like	8068597	3002451	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Sigma_1_2	e2bq4B1	A: alpha bundles	X: HTH	H: Nudix	T: winged helix domain	F: Sigma_1_2	ECOD (develop294)
A	RGS	e2bq4A1	A: alpha bundles	X: Globin-like	H: Ring-building motif I in type III secretion system	T: Ring-building motif I in type III secretion system	F: RGS	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.90.10.10	Alpha Beta	Alpha-Beta Complex	Cytochrome C3	Cytochrome C3	CATH (4.3.0)
A	3.90.10.10	Alpha Beta	Alpha-Beta Complex	Cytochrome C3	Cytochrome C3	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	BASIC CYTOCHROME C3	binding tetrapyrrole binding heme binding electron transfer activity cation binding ion binding metal ion binding small molecule binding	cellular respiration energy derivation by oxidation of organic compounds metabolic process cellular process generation of precursor metabolites and energy anaerobic respiration	cellular anatomical structure periplasmic space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR020942	Class III cytochrome C	Domain
A, B	IPR036280	Multiheme cytochrome superfamily	Homologous Superfamily
A, B	IPR002322	Cytochrome c, class III	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.