Annotations: 3DR0

Structure of reduced cytochrome c6 from Synechococcus sp. PCC 7002

External Resource: Annotation

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: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	Cytochrome c	8068553	3000815	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Cytochrome c	8068553	3000815	SCOP2B (2022-06-29)
A	SCOP2 Family	Monodomain cytochrome c	8068552	4000635	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Cytochrome c	8068553	3000815	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)
C	Ribosomal_L36	e3dr0C1	A: beta barrels	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: Ribosomal_L36	ECOD (v294.2)
B	Ribosomal_L36	e3dr0B1	A: beta barrels	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: Ribosomal_L36	ECOD (v294.2)
A	PDZ_2	e3dr0A1	A: beta barrels	X: Alpha-beta plaits	H: HMA-related	T: HMA, heavy metal-associated domain	F: PDZ_2	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	1.10.760.10	Mainly Alpha	Orthogonal Bundle	Cytochrome Bc1 Complex	Chain D, domain 2	CATH (4.3.0)
B	1.10.760.10	Mainly Alpha	Orthogonal Bundle	Cytochrome Bc1 Complex	Chain D, domain 2	CATH (4.3.0)
A	1.10.760.10	Mainly Alpha	Orthogonal Bundle	Cytochrome Bc1 Complex	Chain D, domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF13442	Cytochrome C oxidase, cbb3-type, subunit III (Cytochrome_CBB3)	Cytochrome C oxidase, cbb3-type, subunit III		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	Cytochrome c6	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	photosynthesis metabolic process cellular process	membrane-bounded organelle intracellular anatomical structure membrane-enclosed lumen intracellular vesicle cytoplasmic vesicle lumen intracellular organelle lumen intracellular organelle cell periphery cellular anatomical structure cytoplasmic vesicle membraneless organelle bacterial thylakoid vesicle thylakoid membrane-bounded organelle intracellular anatomical structure membrane-enclosed lumen intracellular vesicle cytoplasmic vesicle lumen intracellular organelle lumen intracellular organelle cell periphery cellular anatomical structure cytoplasmic vesicle membraneless organelle bacterial thylakoid vesicle thylakoid vesicle lumen plasma membrane membrane intracellular membraneless organelle intracellular membrane-bounded organelle organelle lumen organelle cytoplasm plasma membrane-derived thylakoid lumen thylakoid lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR036909	Cytochrome c-like domain superfamily	Homologous Superfamily
A, B, C	IPR009056	Cytochrome c-like domain	Domain
A, B, C	IPR023655	Cytochrome c6	Family
A, B, C	IPR008168	Cytochrome c, class IC	Family

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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.