1BBH

ATOMIC STRUCTURE OF A CYTOCHROME C' WITH AN UNUSUAL LIGAND-CONTROLLED DIMER DISSOCIATION AT 1.8 ANGSTROMS RESOLUTION

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
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)
A	d1bbha_	All alpha proteins	Four-helical up-and-down bundle	Cytochromes	Cytochrome c'-like	Cytochrome c'	(Allochromatium vinosum ) [TaxId: 1049 ],	SCOPe (2.08)
B	d1bbhb_	All alpha proteins	Four-helical up-and-down bundle	Cytochromes	Cytochrome c'-like	Cytochrome c'	(Allochromatium vinosum ) [TaxId: 1049 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Cytochrome c'-like	8024500	4000813	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Cytochromes	8036879	3001526	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Cytochromes	8036879	3001526	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Cytochrom_C_2	e1bbhA1	A: alpha bundles	X: Four-helical up-and-down bundle	H: Cytochromes (From Topology)	T: Cytochromes	F: Cytochrom_C_2	ECOD (1.6)
B	Cytochrom_C_2	e1bbhB1	A: alpha bundles	X: Four-helical up-and-down bundle	H: Cytochromes (From Topology)	T: Cytochromes	F: Cytochrom_C_2	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.120.10	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Cytochrome c/b562	CATH (4.3.0)
B	1.20.120.10	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Cytochrome c/b562	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01322	Cytochrome C' (Cytochrom_C_2)	Cytochrome C'	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	CYTOCHROME C'	binding organic cyclic compound binding tetrapyrrole binding heme binding electron transfer activity cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding	cellular metabolic process electron transport chain metabolic process cellular process generation of precursor metabolites and energy	periplasmic space cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR015984	Cytochrome c prime, subgroup	Family
A, B	IPR002321	Cytochrome c, class II	Family
A, B	IPR012127	Cytochrome c prime	Family
A, B	IPR010980	Cytochrome c/b562	Homologous Superfamily

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.