6M98

Crystal structure of the high-affinity copper transporter Ctr1 in complex with Cu(I)

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Cytochromes	8057879	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_B562_1	e6m98A1	A: alpha bundles	X: Four-helical up-and-down bundle	H: Cytochromes (From Topology)	T: Cytochromes	F: Cytochrom_B562_1	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF07361	Cytochrome b562 (Cytochrom_B562)	Cytochrome b562	-	Family
A	PF04145	Ctr copper transporter family (Ctr)	Ctr copper transporter family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Chimera protein of High affinity copper uptake protein 1 and Soluble cytochrome b562	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 monoatomic cation transmembrane transporter activity inorganic molecular entity transmembrane transporter activity copper ion transmembrane transporter activity inorganic cation transmembrane transporter activity 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 monoatomic cation transmembrane transporter activity inorganic molecular entity transmembrane transporter activity copper ion transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transition metal ion transmembrane transporter activity metal ion transmembrane transporter activity transmembrane transporter activity	electron transport chain metabolic process cellular process generation of precursor metabolites and energy	cellular anatomical structure periplasmic space cell periphery basal part of cell membrane plasma membrane basal plasma membrane plasma membrane region basolateral plasma membrane endosome membrane membrane-bounded organelle intracellular anatomical structure endosome intracellular vesicle cellular anatomical structure periplasmic space cell periphery basal part of cell membrane plasma membrane basal plasma membrane plasma membrane region basolateral plasma membrane endosome membrane membrane-bounded organelle intracellular anatomical structure endosome intracellular vesicle intracellular membrane-bounded organelle recycling endosome endomembrane system intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle recycling endosome membrane vesicle membrane cytoplasmic vesicle organelle cytoplasm vesicle organelle membrane late endosome membrane late endosome apical part of cell apical plasma membrane early endosome early endosome membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR010980	Cytochrome c/b562	Homologous Superfamily
A	IPR009155	Cytochrome b562	Family
A	IPR007274	Ctr copper transporter	Family

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Channels: Other Ion Channels	Ctr1 high-affinity copper transporter, Cu⁺-free form

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.