Annotations: 4PWA

Crystal structure of the c-type cytochrome SorU from Sinorhizobium meliloti

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	FG-GAP_3	e4pwaD1	A: a/b three-layered sandwiches	X: OB-fold	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: FG-GAP_3	ECOD (v294.1)
C	Lactamase_B_2	e4pwaC1	A: a/b three-layered sandwiches	X: Cytidine deaminase-like	H: Cytidine deaminase-like	T: Cytidine deaminase-like	F: Lactamase_B_2	ECOD (v294.1)
B	Sas-5-like_implico	e4pwaB1	A: a/b three-layered sandwiches	X: OB-fold	H: OB domain in putative lipoprotein BF3042-related proteins	T: OB domain in putative lipoprotein BF3042-related proteins	F: Sas-5-like_implico	ECOD (v294.1)
A	Radical_SAM	e4pwaA1	A: a/b three-layered sandwiches	X: OB-fold	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Radical_SAM	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)
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, D	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, D	Putative cytochrome C	binding tetrapyrrole binding heme binding electron transfer activity cation binding ion binding metal ion binding small molecule binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR036909	Cytochrome c-like domain superfamily	Homologous Superfamily
A, B, C, D	IPR009056	Cytochrome c-like domain	Domain

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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.