Annotations: 8K7C

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	ABC transporter-like P-loop ATPases	8057833	3002020	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	ABC transporter-like P-loop ATPases	8057833	3002020	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	PF00664	e8k7cA2	A: alpha bundles	X: Type II ABC exporter transmembrane domain fold	H: Type I ABC exporter transmembrane domain fold (From Topology)	T: Type I ABC exporter transmembrane domain fold	F: PF00664	ECOD (1.6)
A	PF00005	e8k7cA1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PF00005	ECOD (1.6)
B	PF00664	e8k7cB1	A: alpha bundles	X: Type II ABC exporter transmembrane domain fold	H: Type I ABC exporter transmembrane domain fold (From Topology)	T: Type I ABC exporter transmembrane domain fold	F: PF00664	ECOD (1.6)
B	PF00005	e8k7cB2	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PF00005	ECOD (1.6)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	ATP-binding cassette sub-family B member 6	ABC-type transporter activity active transmembrane transporter activity heme transmembrane transporter activity ABC-type heme transporter activity primary active transmembrane transporter activity ATPase-coupled transmembrane transporter activity transporter activity transmembrane transporter activity ATP-dependent activity binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding ABC-type transporter activity active transmembrane transporter activity heme transmembrane transporter activity ABC-type heme transporter activity primary active transmembrane transporter activity ATPase-coupled transmembrane transporter activity transporter activity transmembrane transporter activity ATP-dependent activity binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding tetrapyrrole binding heme binding pyrophosphatase activity ATP hydrolysis activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity efflux transmembrane transporter activity	intracellular iron ion homeostasis inorganic ion homeostasis cellular homeostasis chemical homeostasis homeostatic process intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis developmental process multicellular organism development multicellular organismal process head development intracellular iron ion homeostasis inorganic ion homeostasis cellular homeostasis chemical homeostasis homeostatic process intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis developmental process multicellular organism development multicellular organismal process head development central nervous system development anatomical structure development animal organ development brain development nervous system development system development intracellular copper ion homeostasis copper ion homeostasis skin development porphyrin-containing compound biosynthetic process organonitrogen compound metabolic process tetrapyrrole metabolic process organonitrogen compound biosynthetic process organic cyclic compound metabolic process organic substance metabolic process tetrapyrrole biosynthetic process biosynthetic process organic cyclic compound biosynthetic process organic substance biosynthetic process metabolic process porphyrin-containing compound metabolic process cellular response to stimulus detoxification of inorganic compound cellular response to inorganic substance cellular response to metal ion cellular detoxification response to stimulus stress response to cadmium ion detoxification response to cadmium ion cellular detoxification of metal ion response to inorganic substance response to toxic substance detoxification of cadmium ion cellular response to chemical stimulus response to metal ion response to chemical response to stress cellular response to cadmium ion cellular process cellular detoxification of cadmium ion stress response to metal ion cellular response to toxic substance transmembrane transport localization transport establishment of localization heme metabolic process pigment metabolic process nitrogen compound transport organic substance transport iron ion transport metal ion transport heme transport transition metal ion transport monoatomic ion transport monoatomic cation transport iron coordination entity transport organelle assembly cellular pigmentation pigment granule organization vesicle organization cellular component organization cellular component biogenesis melanosome organization organelle organization pigmentation cellular component assembly cellular component organization or biogenesis melanosome assembly heme transmembrane transport monoatomic ion transmembrane transport iron ion transmembrane transport inorganic ion transmembrane transport inorganic cation transmembrane transport monoatomic cation transmembrane transport	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle endosome membrane endosome membrane multivesicular body membrane intracellular vesicle late endosome membrane membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle endosome membrane endosome membrane multivesicular body membrane intracellular vesicle late endosome membrane endomembrane system cytoplasmic vesicle membrane bounding membrane of organelle cytoplasmic vesicle vesicle membrane late endosome vesicle organelle membrane multivesicular body endolysosome membrane lytic vacuole endolysosome lysosome vacuolar membrane vacuole lytic vacuole membrane lysosomal membrane extracellular exosome extracellular vesicle extracellular organelle extracellular region extracellular space extracellular membrane-bounded organelle cytosol cell periphery plasma membrane nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen organelle subcompartment endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum endoplasmic reticulum membrane ATPase dependent transmembrane transport complex protein-containing complex plasma membrane protein complex membrane protein complex transporter complex ATP-binding cassette (ABC) transporter complex transmembrane transporter complex organelle envelope mitochondrial envelope Golgi apparatus Golgi membrane early endosome early endosome membrane mitochondrial membrane organelle outer membrane mitochondrial outer membrane outer membrane pigment granule chitosome melanosome melanosome membrane pigment granule membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR003439	ABC transporter-like, ATP-binding domain	Domain
A, B	IPR003593	AAA+ ATPase domain	Domain
A, B	IPR011527	ABC transporter type 1, transmembrane domain	Domain
A, B	IPR032410	Mitochondrial ABC-transporter, N-terminal five TM domain	Domain
A, B	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A, B	IPR017871	ABC transporter-like, conserved site	Conserved Site
A, B	IPR036640	ABC transporter type 1, transmembrane domain superfamily	Homologous Superfamily
A, B	IPR039421	Type 1 protein exporter	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: Q9NP58	familial pseudohyperkalemia microphthalmia, isolated, with coloboma 7 polycystic ovary syndrome dyschromatosis universalis hereditaria coloboma microphthalmia dyschromatosis universalis hereditaria 3 colorectal cancer dyskeratosis congenita microphthalmia with coloboma 1 Sclerocystic Ovaries coloboma of macula colorectal carcinoma dyschromatosis universalis hereditaria 1 coloboma of eyelid familial pseudohyperkalemia microphthalmia, isolated, with coloboma 7 polycystic ovary syndrome dyschromatosis universalis hereditaria coloboma microphthalmia dyschromatosis universalis hereditaria 3 colorectal cancer dyskeratosis congenita microphthalmia with coloboma 1 Sclerocystic Ovaries coloboma of macula colorectal carcinoma dyschromatosis universalis hereditaria 1 coloboma of eyelid coloboma of optic disc cryohydrocytosis

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

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 R01GM133198.