9RCV | pdb_00009rcv

Structure of the Human Peptide-Loading Complex Arrested by HCMV US6

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
H	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8003766	3000071	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8003766	3000071	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	ABC transporter-like P-loop ATPases	8057805	3002020	SCOP2B (2022-06-29)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
E	PF00664	ABC transporter transmembrane region (ABC_membrane)	ABC transporter transmembrane region	-	Family
E	PF00005	ABC transporter (ABC_tran)	ABC transporter	ABC transporters for a large family of proteins responsible for translocation of a variety of compounds across biological membranes. ABC transporters are the largest family of proteins in many completely sequenced bacteria. ABC transporters are comp ...	ABC transporters for a large family of proteins responsible for translocation of a variety of compounds across biological membranes. ABC transporters are the largest family of proteins in many completely sequenced bacteria. ABC transporters are composed of two copies of this domain and two copies of a transmembrane domain Pfam:PF00664. These four domains may belong to a single polypeptide as in Swiss:P13569, or belong in different polypeptide chains.	Domain
D, H	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain		Domain
B, F	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain		Domain
A	PF00664	ABC transporter transmembrane region (ABC_membrane)	ABC transporter transmembrane region	-	Family
A	PF00005	ABC transporter (ABC_tran)	ABC transporter	ABC transporters for a large family of proteins responsible for translocation of a variety of compounds across biological membranes. ABC transporters are the largest family of proteins in many completely sequenced bacteria. ABC transporters are comp ...	ABC transporters for a large family of proteins responsible for translocation of a variety of compounds across biological membranes. ABC transporters are the largest family of proteins in many completely sequenced bacteria. ABC transporters are composed of two copies of this domain and two copies of a transmembrane domain Pfam:PF00664. These four domains may belong to a single polypeptide as in Swiss:P13569, or belong in different polypeptide chains.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
I	Unique short US6 glycoprotein	molecular sequestering activity	symbiont-mediated perturbation of host defense response biological process involved in interspecies interaction between organisms symbiont-mediated perturbation of host immune response biological process involved in interaction with host biological process involved in symbiotic interaction symbiont-mediated suppression of host immune response symbiont-mediated perturbation of host process symbiont-mediated suppression of host antigen processing and presentation of peptide antigen via MHC class I symbiont-mediated suppression of host antigen processing and presentation modulation of process of another organism symbiont-mediated suppression of host adaptive immune response	host intracellular membrane-bounded organelle host cellular component host intracellular part host cell endoplasmic reticulum host cell membrane other organism part host cell cytoplasm part host intracellular organelle cellular anatomical structure host cell cytoplasm host cell part host cell endomembrane system host intracellular region host cell endoplasmic reticulum membrane host intracellular membrane-bounded organelle host cellular component host intracellular part host cell endoplasmic reticulum host cell membrane other organism part host cell cytoplasm part host intracellular organelle cellular anatomical structure host cell cytoplasm host cell part host cell endomembrane system host intracellular region host cell endoplasmic reticulum membrane membrane
E	Antigen peptide transporter 2	binding antigen binding peptide antigen binding peptide binding MHC class Ib protein binding protein binding signaling receptor binding MHC protein binding ABC-type peptide transporter activity peptide transmembrane transporter activity ABC-type transporter activity active transmembrane transporter activity primary active transmembrane transporter activity ATPase-coupled transmembrane transporter activity binding antigen binding peptide antigen binding peptide binding MHC class Ib protein binding protein binding signaling receptor binding MHC protein binding ABC-type peptide transporter activity peptide transmembrane transporter activity ABC-type transporter activity active transmembrane transporter activity primary active transmembrane transporter activity ATPase-coupled transmembrane transporter activity transporter activity transmembrane transporter activity ATP-dependent activity tapasin binding TAP1 binding TAP binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding ABC-type peptide antigen transporter activity 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 cation binding metal ion binding	peptide transport antigen processing and presentation localization nitrogen compound transport amide transport transport immune system process antigen processing and presentation of peptide antigen establishment of localization peptide antigen transport antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway antigen processing and presentation of endogenous peptide antigen antigen processing and presentation of peptide antigen via MHC class I antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-dependent peptide transport antigen processing and presentation localization nitrogen compound transport amide transport transport immune system process antigen processing and presentation of peptide antigen establishment of localization peptide antigen transport antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway antigen processing and presentation of endogenous peptide antigen antigen processing and presentation of peptide antigen via MHC class I antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-dependent antigen processing and presentation of endogenous antigen antigen processing and presentation of endogenous peptide antigen via MHC class I establishment of protein localization protein transport macromolecule localization intracellular protein localization adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains T cell mediated cytotoxicity lymphocyte mediated immunity T cell mediated immunity response to stimulus immune response leukocyte mediated cytotoxicity adaptive immune response immune effector process leukocyte mediated immunity cellular process cell killing antigen processing and presentation of peptide antigen via MHC class Ib antigen processing and presentation of exogenous protein antigen via MHC class Ib, TAP-dependent antigen processing and presentation via MHC class Ib antigen processing and presentation of exogenous peptide antigen via MHC class Ib antigen processing and presentation of exogenous peptide antigen antigen processing and presentation of exogenous antigen transmembrane transport antigen processing and presentation of endogenous peptide antigen via MHC class Ib via ER pathway antigen processing and presentation of endogenous peptide antigen via MHC class Ib antigen processing and presentation of endogenous peptide antigen via MHC class Ib via ER pathway, TAP-dependent regulation of immune effector process positive regulation of leukocyte mediated immunity regulation of cellular process positive regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains positive regulation of lymphocyte mediated immunity positive regulation of biological process positive regulation of response to stimulus regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains positive regulation of immune response positive regulation of leukocyte mediated cytotoxicity regulation of immune system process positive regulation of immune effector process positive regulation of adaptive immune response positive regulation of immune system process positive regulation of cellular process regulation of T cell mediated immunity regulation of biological process positive regulation of T cell mediated cytotoxicity regulation of adaptive immune response biological regulation regulation of leukocyte mediated cytotoxicity regulation of leukocyte mediated immunity regulation of T cell mediated cytotoxicity regulation of lymphocyte mediated immunity regulation of response to stimulus positive regulation of T cell mediated immunity regulation of immune response regulation of cell killing positive regulation of cell killing cellular localization establishment of localization in cell intracellular transport cytosol to endoplasmic reticulum transport biological process involved in interspecies interaction between organisms response to other organism response to bacterium response to external stimulus response to external biotic stimulus response to molecule of bacterial origin response to biotic stimulus	membrane-bounded organelle protein-containing complex intracellular anatomical structure MHC class I peptide loading complex organelle subcompartment membrane membrane protein complex intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle cellular anatomical structure TAP complex organelle membrane-bounded organelle protein-containing complex intracellular anatomical structure MHC class I peptide loading complex organelle subcompartment membrane membrane protein complex intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle cellular anatomical structure TAP complex organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum cytoplasm organelle membrane endoplasmic reticulum protein-containing complex endoplasmic reticulum membrane nucleus membrane-enclosed lumen intracellular membraneless organelle intracellular organelle lumen nuclear speck ribonucleoprotein granule nuclear body nucleoplasm organelle lumen membraneless organelle supramolecular complex nuclear ribonucleoprotein granule nuclear lumen intracellular vesicle phagocytic vesicle phagocytic vesicle membrane cytoplasmic vesicle membrane bounding membrane of organelle cytoplasmic vesicle vesicle membrane endocytic vesicle membrane vesicle endocytic vesicle endoplasmic reticulum-Golgi intermediate compartment membrane endoplasmic reticulum-Golgi intermediate compartment
D, H	Beta-2-microglobulin	binding antigen binding peptide antigen binding peptide binding protein-containing complex binding MHC protein complex binding MHC class II protein complex binding identical protein binding protein binding protein homodimerization activity protein dimerization activity structural molecule 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 protein refolding primary metabolic process gene expression macromolecule biosynthetic process 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 protein refolding primary metabolic process gene expression macromolecule biosynthetic process protein maturation protein folding biosynthetic process metabolic process cellular process protein metabolic process macromolecule metabolic process adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains multicellular organismal process regulation of immune effector process lymphocyte mediated immunity T cell mediated immunity positive regulation of leukocyte mediated immunity regulation of cellular process response to stimulus T cell cytokine production positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of immune response cytokine production leukocyte mediated immunity regulation of immune system process positive regulation of macromolecule metabolic process positive regulation of adaptive immune response positive regulation of T cell cytokine production positive regulation of immune system process regulation of T cell mediated immunity regulation of biological process regulation of cytokine production involved in immune response immune response regulation of adaptive immune response immune effector process regulation of gene expression regulation of leukocyte mediated immunity regulation of response to stimulus positive regulation of production of molecular mediator of immune response positive regulation of multicellular organismal process regulation of immune response regulation of macromolecule biosynthetic process regulation of production of molecular mediator of immune response positive regulation of cytokine production regulation of metabolic process positive regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains positive regulation of lymphocyte mediated immunity positive regulation of biological process positive regulation of response to stimulus regulation of T cell cytokine production regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains positive regulation of biosynthetic process regulation of cytokine production positive regulation of immune effector process regulation of multicellular organismal process cytokine production involved in immune response positive regulation of cellular process production of molecular mediator of immune response regulation of biosynthetic process biological regulation regulation of macromolecule metabolic process adaptive immune response regulation of lymphocyte mediated immunity positive regulation of gene expression immune system process positive regulation of T cell mediated immunity positive regulation of cytokine production involved in immune response cellular response to stimulus cellular response to iron ion cellular response to metal ion cellular response to chemical stimulus response to metal ion response to iron ion response to chemical cellular response to iron(III) ion response to iron(III) ion multicellular organismal-level iron ion homeostasis multicellular organismal-level homeostasis multicellular organismal-level chemical homeostasis regulation of neuron projection development regulation of cellular component organization cellular developmental process cell projection organization negative regulation of biological process cell development neuron projection development cellular component organization neurogenesis multicellular organism development neuron differentiation cell differentiation anatomical structure development negative regulation of cellular process cellular component organization or biogenesis negative regulation of cell projection organization system development developmental process plasma membrane bounded cell projection organization negative regulation of cellular component organization regulation of cell projection organization nervous system development negative regulation of neuron projection development generation of neurons neuron development regulation of plasma membrane bounded cell projection organization regulation of developmental process regulation of cell differentiation regulation of cell development myeloid cell homeostasis erythrocyte homeostasis regulation of multicellular organismal development hemopoiesis regulation of myeloid cell differentiation erythrocyte differentiation regulation of erythrocyte differentiation myeloid cell differentiation regulation of hemopoiesis homeostasis of number of cells antigen processing and presentation antigen processing and presentation of peptide antigen via MHC class Ib antigen processing and presentation of exogenous protein antigen via MHC class Ib, TAP-dependent antigen processing and presentation via MHC class Ib antigen processing and presentation of exogenous peptide antigen via MHC class Ib antigen processing and presentation of exogenous peptide antigen antigen processing and presentation of peptide antigen antigen processing and presentation of exogenous antigen cell activation mononuclear cell differentiation lymphocyte activation lymphocyte differentiation leukocyte activation T cell differentiation in thymus T cell activation T cell differentiation leukocyte differentiation regulation of localization import into cell positive regulation of cellular component organization transport vesicle-mediated transport localization positive regulation of endocytosis positive regulation of receptor-mediated endocytosis regulation of endocytosis regulation of transport regulation of receptor-mediated endocytosis regulation of vesicle-mediated transport establishment of localization positive regulation of transport endocytosis receptor-mediated endocytosis peptide antigen assembly with MHC class I protein complex protein-containing complex organization peptide antigen assembly with MHC protein complex MHC class I protein complex assembly cellular component biogenesis cellular component assembly protein-containing complex assembly antigen processing and presentation of peptide antigen via MHC class I MHC protein complex assembly regulation of neurogenesis regulation of nervous system development negative regulation of neurogenesis negative regulation of nervous system development negative regulation of cell differentiation negative regulation of developmental process negative regulation of cell development negative regulation of multicellular organismal process negative regulation of cell population proliferation cell population proliferation regulation of cell population proliferation regulation of epithelial cell proliferation epithelial cell proliferation negative regulation of epithelial cell proliferation positive regulation of leukocyte mediated cytotoxicity T cell mediated cytotoxicity positive regulation of T cell mediated cytotoxicity regulation of leukocyte mediated cytotoxicity leukocyte mediated cytotoxicity regulation of T cell mediated cytotoxicity regulation of cell killing positive regulation of cell killing cell killing establishment of protein localization nitrogen compound transport iron ion transport metal ion transport protein transport macromolecule localization transferrin transport transition metal ion transport monoatomic ion transport intracellular protein localization monoatomic cation transport system process sensory perception of chemical stimulus sensory perception nervous system process sensory perception of smell supramolecular fiber organization amyloid fibril formation protein homotetramerization protein complex oligomerization protein tetramerization protein homooligomerization antigen processing and presentation of exogenous peptide antigen via MHC class II antigen processing and presentation of peptide or polysaccharide antigen via MHC class II antigen processing and presentation of peptide antigen via MHC class II negative regulation of receptor binding regulation of protein binding regulation of molecular function regulation of receptor binding negative regulation of protein binding regulation of binding negative regulation of binding negative regulation of molecular function peptide antigen assembly with MHC class II protein complex MHC class II protein complex assembly cellular response to nicotine response to nicotine regulation of cellular senescence cellular senescence positive regulation of cellular senescence cellular response to stress response to stress antigen processing and presentation of endogenous peptide antigen antigen processing and presentation of endogenous antigen antigen processing and presentation of endogenous peptide antigen via MHC class I behavior learning or memory cognition regulation of leukocyte activation regulation of cell activation positive regulation of leukocyte cell-cell adhesion leukocyte cell-cell adhesion positive regulation of cell-cell adhesion positive regulation of lymphocyte activation positive regulation of cell activation cell adhesion cell-cell adhesion positive regulation of leukocyte activation regulation of cell-cell adhesion positive regulation of T cell activation positive regulation of cell adhesion regulation of cell adhesion regulation of T cell activation regulation of leukocyte cell-cell adhesion regulation of lymphocyte activation negative regulation of forebrain neuron differentiation forebrain development regulation of forebrain neuron differentiation central nervous system neuron differentiation head development forebrain generation of neurons animal organ development brain development central nervous system development forebrain neuron differentiation negative regulation of neuron differentiation regulation of neuron differentiation regulation of monoatomic ion transport regulation of iron ion transport regulation of metal ion transport biological process involved in interspecies interaction between organisms response to other organism response to bacterium response to external stimulus response to external biotic stimulus response to molecule of bacterial origin response to biotic stimulus	cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle protein-containing complex plasma membrane protein complex plasma membrane signaling receptor complex membrane protein complex HFE-transferrin receptor complex receptor complex intracellular anatomical structure cytoplasm cytosol MHC class I protein complex MHC protein complex endosome membrane endosome intracellular vesicle late endosome membrane intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle cytoplasmic vesicle vesicle membrane late endosome organelle membrane phagocytic vesicle phagocytic vesicle membrane endocytic vesicle membrane endocytic vesicle vacuolar membrane lytic vacuole vacuole lytic vacuole membrane lysosomal membrane lysosome Golgi apparatus membrane-enclosed lumen intracellular organelle lumen endoplasmic reticulum lumen organelle lumen endoplasmic reticulum Golgi membrane MHC class I peptide loading complex organelle subcompartment endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum protein-containing complex endoplasmic reticulum membrane vesicle lumen cytoplasmic vesicle lumen secretory granule lumen specific granule lumen secretory granule secretory vesicle specific granule anchoring junction cell junction focal adhesion cell-substrate junction MHC class II protein complex early endosome endosome lumen early endosome lumen recycling endosome recycling endosome membrane tertiary granule lumen tertiary granule early endosome membrane transport vesicle transport vesicle membrane coated vesicle membrane COPII-coated ER to Golgi transport vesicle ER to Golgi transport vesicle membrane coated vesicle
C, G	MHC class I antigen	-	response to stimulus immune response immune system process antigen processing and presentation antigen processing and presentation of peptide antigen via MHC class I antigen processing and presentation of peptide antigen	membrane-bounded organelle intracellular anatomical structure organelle subcompartment membrane lumenal side of endoplasmic reticulum membrane intracellular membrane-bounded organelle endomembrane system side of membrane lumenal side of membrane endoplasmic reticulum subcompartment intracellular organelle cellular anatomical structure organelle nuclear outer membrane-endoplasmic reticulum membrane network membrane-bounded organelle intracellular anatomical structure organelle subcompartment membrane lumenal side of endoplasmic reticulum membrane intracellular membrane-bounded organelle endomembrane system side of membrane lumenal side of membrane endoplasmic reticulum subcompartment intracellular organelle cellular anatomical structure organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum cytoplasm organelle membrane endoplasmic reticulum membrane intracellular vesicle phagocytic vesicle phagocytic vesicle membrane cytoplasmic vesicle membrane bounding membrane of organelle cytoplasmic vesicle vesicle membrane endocytic vesicle membrane vesicle endocytic vesicle endosome membrane endosome recycling endosome recycling endosome membrane Golgi membrane Golgi apparatus early endosome early endosome membrane cell surface MHC class I protein complex MHC protein complex cell periphery protein-containing complex plasma membrane protein complex plasma membrane membrane protein complex transport vesicle transport vesicle membrane coated vesicle membrane COPII-coated ER to Golgi transport vesicle ER to Golgi transport vesicle membrane coated vesicle
B, F	Tapasin	binding antigen binding peptide antigen binding peptide binding protein-containing complex binding MHC protein complex binding MHC class I protein complex binding TAP1 binding TAP binding protein binding unfolded protein binding TAP complex binding molecular adaptor activity MHC class I protein binding binding antigen binding peptide antigen binding peptide binding protein-containing complex binding MHC protein complex binding MHC class I protein complex binding TAP1 binding TAP binding protein binding unfolded protein binding TAP complex binding molecular adaptor activity MHC class I protein binding signaling receptor binding MHC protein binding protein folding chaperone TAP2 binding	cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein-containing complex assembly cellular process cellular component organization or biogenesis regulation of protein complex stability biological regulation regulation of biological quality regulation of biosynthetic process regulation of biological process regulation of cellular process regulation of macromolecule metabolic process cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein-containing complex assembly cellular process cellular component organization or biogenesis regulation of protein complex stability biological regulation regulation of biological quality regulation of biosynthetic process regulation of biological process regulation of cellular process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of gene expression biosynthetic process regulation of macromolecule biosynthetic process metabolic process macromolecule metabolic process regulation of metabolic process localization transport retrograde vesicle-mediated transport, Golgi to endoplasmic reticulum establishment of localization Golgi vesicle transport vesicle-mediated transport peptide stabilization antigen processing and presentation peptide antigen stabilization immune system process antigen processing and presentation of peptide antigen peptide metabolic process antigen processing and presentation of endogenous peptide antigen antigen processing and presentation of peptide antigen via MHC class I antigen processing and presentation of endogenous antigen antigen processing and presentation of endogenous peptide antigen via MHC class I peptide antigen assembly with MHC class I protein complex peptide antigen assembly with MHC protein complex MHC class I protein complex assembly MHC protein complex assembly MHC class Ib protein complex assembly	membrane-bounded organelle intracellular anatomical structure organelle subcompartment membrane intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle cellular anatomical structure organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum cytoplasm organelle membrane membrane-bounded organelle intracellular anatomical structure organelle subcompartment membrane intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle cellular anatomical structure organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum cytoplasm organelle membrane endoplasmic reticulum membrane protein-containing complex MHC class I peptide loading complex Tapasin-ERp57 complex membrane protein complex endoplasmic reticulum protein-containing complex lumenal side of endoplasmic reticulum membrane side of membrane lumenal side of membrane intracellular vesicle phagocytic vesicle phagocytic vesicle membrane cytoplasmic vesicle membrane bounding membrane of organelle cytoplasmic vesicle vesicle membrane endocytic vesicle membrane vesicle endocytic vesicle Golgi membrane Golgi apparatus endoplasmic reticulum-Golgi intermediate compartment membrane endoplasmic reticulum-Golgi intermediate compartment
A	Antigen peptide transporter 1	binding antigen binding peptide antigen binding peptide binding MHC class Ib protein binding protein binding signaling receptor binding MHC protein binding TAP1 binding TAP binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding binding antigen binding peptide antigen binding peptide binding MHC class Ib protein binding protein binding signaling receptor binding MHC protein binding TAP1 binding TAP binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding ABC-type peptide antigen transporter activity ABC-type peptide transporter activity peptide transmembrane transporter activity ABC-type transporter activity active transmembrane transporter activity primary active transmembrane transporter activity ATPase-coupled transmembrane transporter activity transporter activity transmembrane transporter activity ATP-dependent activity ADP binding identical protein binding protein homodimerization activity protein dimerization activity 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 MHC class I protein binding cation binding metal ion binding TAP2 binding	response to stimulus immune response immune system process adaptive immune response localization establishment of protein localization nitrogen compound transport protein transport transport macromolecule localization intracellular protein localization establishment of localization transmembrane transport cellular process response to stimulus immune response immune system process adaptive immune response localization establishment of protein localization nitrogen compound transport protein transport transport macromolecule localization intracellular protein localization establishment of localization transmembrane transport cellular process defense response response to stress peptide transport amide transport antigen processing and presentation antigen processing and presentation of endogenous peptide antigen antigen processing and presentation of peptide antigen via MHC class I antigen processing and presentation of peptide antigen antigen processing and presentation of endogenous antigen antigen processing and presentation of endogenous peptide antigen via MHC class I cellular localization establishment of localization in cell intracellular transport cytosol to endoplasmic reticulum transport	membrane-bounded organelle protein-containing complex intracellular anatomical structure MHC class I peptide loading complex organelle subcompartment membrane membrane protein complex intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle cellular anatomical structure TAP complex organelle membrane-bounded organelle protein-containing complex intracellular anatomical structure MHC class I peptide loading complex organelle subcompartment membrane membrane protein complex intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle cellular anatomical structure TAP complex organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum cytoplasm organelle membrane endoplasmic reticulum protein-containing complex endoplasmic reticulum membrane intracellular membraneless organelle centrosome microtubule organizing center cytoskeleton centriolar satellite membraneless organelle microtubule cytoskeleton intracellular vesicle phagocytic vesicle phagocytic vesicle membrane cytoplasmic vesicle membrane bounding membrane of organelle cytoplasmic vesicle vesicle membrane endocytic vesicle membrane vesicle endocytic vesicle endoplasmic reticulum-Golgi intermediate compartment membrane endoplasmic reticulum-Golgi intermediate compartment

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
I	IPR035129	Viral unique short region 6	Family
E	IPR003439	ABC transporter-like, ATP-binding domain	Domain
E	IPR003593	AAA+ ATPase domain	Domain
E	IPR011527	ABC transporter type 1, transmembrane domain	Domain
E	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
E	IPR005293	Antigen peptide transporter 2	Family
E	IPR017871	ABC transporter-like, conserved site	Conserved Site
E	IPR013305	ABC transporter Tap-like	Family
E	IPR036640	ABC transporter type 1, transmembrane domain superfamily	Homologous Superfamily
E	IPR039421	Type 1 protein exporter	Family
D, H	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
D, H	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
D, H	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
D, H	IPR007110	Immunoglobulin-like domain	Domain
D, H	IPR050160	Major Histocompatibility Complex/Immunoglobulin	Family
D, H	IPR003597	Immunoglobulin C1-set	Domain
D, H	IPR015707	Beta-2-Microglobulin	Family
C, G	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
C, G	IPR050208	Antigen-presenting and immune regulatory MHC class I-related	Family
C, G	IPR037055	MHC class I-like antigen recognition-like superfamily	Homologous Superfamily
C, G	IPR003597	Immunoglobulin C1-set	Domain
C, G	IPR010579	MHC class I, alpha chain, C-terminal	Domain
C, G	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
C, G	IPR011161	MHC class I-like antigen recognition-like	Domain
C, G	IPR011162	MHC classes I/II-like antigen recognition protein	Homologous Superfamily
C, G	IPR007110	Immunoglobulin-like domain	Domain
C, G	IPR001039	MHC class I alpha chain, alpha1 alpha2 domains	Domain
C, G	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
B, F	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B, F	IPR003597	Immunoglobulin C1-set	Domain
B, F	IPR008056	Tapasin	Family
B, F	IPR050380	Immune Recognition and Response Modulators	Family
B, F	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B, F	IPR007110	Immunoglobulin-like domain	Domain
A	IPR003439	ABC transporter-like, ATP-binding domain	Domain
A	IPR003593	AAA+ ATPase domain	Domain
A	IPR011527	ABC transporter type 1, transmembrane domain	Domain
A	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A	IPR017871	ABC transporter-like, conserved site	Conserved Site
A	IPR013305	ABC transporter Tap-like	Family
A	IPR036640	ABC transporter type 1, transmembrane domain superfamily	Homologous Superfamily
A	IPR039421	Type 1 protein exporter	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
E	Pharos: Q03519	MHC class I deficiency Liver Cirrhosis, Experimental ulcerative colitis lung cancer malignant colon neoplasm medulloblastoma osteosarcoma allergic rhinitis peripheral nervous system disease bipolar disorder psoriasis Crohn disease schizophrenia Takayasu arteritis endometriosis MHC class I deficiency Liver Cirrhosis, Experimental ulcerative colitis lung cancer malignant colon neoplasm medulloblastoma osteosarcoma allergic rhinitis peripheral nervous system disease bipolar disorder psoriasis Crohn disease schizophrenia Takayasu arteritis endometriosis head and neck cancer interstitial cystitis large cell medulloblastoma lung carcinoma malignant mesothelioma ovarian cancer autism spectrum disorder peripheral neuropathy cervical cancer psoriatic arthritis Sjogren syndrome cutaneous lupus erythematosus tuberculosis glioblastoma hepatitis B virus infection intervertebral disc degenerative disorder lymphoma malignant pancreatic neoplasm mucocutaneous lymph node syndrome pancreatic ductal adenocarcinoma pilocytic astrocytoma chronic obstructive pulmonary disease rheumatoid arthritis systemic lupus erythematosus cutaneous melanoma Hashimoto thyroiditis IgA glomerulonephritis juvenile dermatomyositis
D, H	Pharos: P61769	familial visceral amyloidosis hypoproteinemia, hypercatabolic diffuse large B-cell lymphoma MHC class I deficiency esophageal squamous cell carcinoma kidney disease amyloidosis mature T-cell and NK-cell non-Hodgkin lymphoma autoimmune disease variant ABeta2M amyloidosis Hypergammaglobulinemia prostate cancer heart disease interstitial cystitis lung carcinoma familial visceral amyloidosis hypoproteinemia, hypercatabolic diffuse large B-cell lymphoma MHC class I deficiency esophageal squamous cell carcinoma kidney disease amyloidosis mature T-cell and NK-cell non-Hodgkin lymphoma autoimmune disease variant ABeta2M amyloidosis Hypergammaglobulinemia prostate cancer heart disease interstitial cystitis lung carcinoma acquired metabolic disease ovarian cancer pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia pilocytic astrocytoma psoriasis Sjogren syndrome glioblastoma juvenile dermatomyositis lung adenocarcinoma lymphatic system disease acute kidney failure pancreatic intraductal papillary-mucinous carcinoma periodic fever syndrome bone marrow disease Down syndrome rheumatoid arthritis subependymal giant cell astrocytoma lung cancer lymphoplasmacytic lymphoma osteosarcoma pancreatic intraductal papillary-mucinous neoplasm cancer schizophrenia ulcerative colitis
B, F	Pharos: O15533	MHC class I deficiency acute myeloid leukemia Bare Lymphocyte Syndrome, Type I endogenous depression juvenile dermatomyositis ovarian cancer schizophrenia astrocytic tumor cervical cancer esophageal adenocarcinoma lung cancer oligodendroglioma pancreatic intraductal papillary-mucinous carcinoma triple-negative breast carcinoma atopic eczema MHC class I deficiency acute myeloid leukemia Bare Lymphocyte Syndrome, Type I endogenous depression juvenile dermatomyositis ovarian cancer schizophrenia astrocytic tumor cervical cancer esophageal adenocarcinoma lung cancer oligodendroglioma pancreatic intraductal papillary-mucinous carcinoma triple-negative breast carcinoma atopic eczema chronic obstructive pulmonary disease glioblastoma malignant ependymoma osteosarcoma psoriasis
A	Pharos: Q03518	MHC class I deficiency lung carcinoma ulcerative colitis prostate cancer juvenile dermatomyositis medulloblastoma mucocutaneous lymph node syndrome allergic rhinitis oligodendroglioma Bare Lymphocyte Syndrome, Type I pancreatic intraductal papillary-mucinous carcinoma cervical cancer pituitary cancer cutaneous lupus erythematosus psoriasis MHC class I deficiency lung carcinoma ulcerative colitis prostate cancer juvenile dermatomyositis medulloblastoma mucocutaneous lymph node syndrome allergic rhinitis oligodendroglioma Bare Lymphocyte Syndrome, Type I pancreatic intraductal papillary-mucinous carcinoma cervical cancer pituitary cancer cutaneous lupus erythematosus psoriasis esophageal adenocarcinoma sarcoidosis hepatitis B virus infection subependymal giant cell astrocytoma intervertebral disc degenerative disorder large cell medulloblastoma lymphoma membranous glomerulonephritis multiple sclerosis astrocytic tumor ovarian cancer breast cancer pancreatic intraductal papillary-mucinous neoplasm coronary artery disease cutaneous melanoma psoriatic arthritis glioblastoma schizophrenia IgA glomerulonephritis systemic lupus erythematosus invasive ductal breast carcinoma lung cancer malignant ependymoma myocardial ischemia autism spectrum disorder pancreatic ductal adenocarcinoma breast carcinoma pilocytic astrocytoma Crohn disease dermatomyositis rheumatoid arthritis Hashimoto thyroiditis Sjogren syndrome interstitial cystitis Takayasu arteritis