Annotations: 3OCD

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	4HBT_3	e3ocdD1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: 4HBT_3	ECOD (v294.1)
B	4HBT_3	e3ocdB1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: 4HBT_3	ECOD (v294.1)
C	HypA	e3ocdC1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Fibronectin type I module-like	T: Fibronectin type I module	F: HypA	ECOD (v294.1)
A	HypA	e3ocdA1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Fibronectin type I module-like	T: Fibronectin type I module	F: HypA	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	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)
C	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)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, D	SoxX	binding tetrapyrrole binding heme binding electron transfer activity cation binding ion binding metal ion binding small molecule binding	-	-
A, C	SoxA	oxidoreductase activity catalytic activity sulfurtransferase activity transferase activity, transferring sulphur-containing groups transferase activity binding tetrapyrrole binding heme binding cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding oxidoreductase activity catalytic activity sulfurtransferase activity transferase activity, transferring sulphur-containing groups transferase activity binding tetrapyrrole binding heme binding cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding thiosulfate-cyanide sulfurtransferase activity protein heterodimerization activity protein binding protein dimerization activity copper ion binding oxidoreductase activity, acting on a sulfur group of donors oxidoreductase activity, acting on a sulfur group of donors, cytochrome as acceptor electron transfer activity	sulfur compound metabolic process metabolic process cellular process sulfur oxidation	cellular anatomical structure periplasmic space protein-containing complex cytochrome complex catalytic complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B, D	IPR036909	Cytochrome c-like domain superfamily	Homologous Superfamily
B, D	IPR009056	Cytochrome c-like domain	Domain
B, D	IPR030999	Sulfur oxidation c-type cytochrome SoxX	Family
B, D	IPR016823	Sulfur oxidation c-type cytochrome SoxX, type II	Family
A, C	IPR036909	Cytochrome c-like domain superfamily	Homologous Superfamily
A, C	IPR009056	Cytochrome c-like domain	Domain
A, C	IPR025710	L-cysteine S-thiosulfotransferase subunit SoxA	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.