Annotations: 7R7X

Crystal structure of HLA-B*5701 complex with an HIV-1 Gag-derived epitope QW9

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
D	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8003766	3000071	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8003766	3000071	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	e7r7xD1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F:	ECOD (v295)
B	e7r7xB1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F:	ECOD (v295)
C	e7r7xC1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F:	ECOD (v295)
A	e7r7xA1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F:	ECOD (v295)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	3.30.500.10	Alpha Beta	2-Layer Sandwich	Murine Class I Major Histocompatibility Complex, H2-DB	Chain A, domain 1	CATH (utative)
C	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
A	3.30.500.10	Alpha Beta	2-Layer Sandwich	Murine Class I Major Histocompatibility Complex, H2-DB	Chain A, domain 1	CATH (utative)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B, D	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
E, F	GLN-ALA-SER-GLN-GLU-VAL-LYS-ASN-TRP	catalytic activity, acting on RNA RNA exonuclease activity, producing 5'-phosphomonoesters catalytic activity, acting on a nucleic acid RNA exonuclease activity RNA nuclease activity hydrolase activity hydrolase activity, acting on ester bonds nuclease activity exoribonuclease H activity exonuclease activity catalytic activity catalytic activity, acting on DNA DNA-directed DNA polymerase activity DNA polymerase activity catalytic activity, acting on RNA RNA exonuclease activity, producing 5'-phosphomonoesters catalytic activity, acting on a nucleic acid RNA exonuclease activity RNA nuclease activity hydrolase activity hydrolase activity, acting on ester bonds nuclease activity exoribonuclease H activity exonuclease activity catalytic activity catalytic activity, acting on DNA DNA-directed DNA polymerase activity DNA polymerase activity transferase activity nucleotidyltransferase activity transferase activity, transferring phosphorus-containing groups DNA binding binding nucleic acid binding RNA-directed DNA polymerase activity RNA binding RNA stem-loop binding identical protein binding protein binding peptidase activity catalytic activity, acting on a protein integrase activity aspartic-type peptidase activity aspartic-type endopeptidase activity endopeptidase activity lipid binding endonuclease activity RNA endonuclease activity producing 5'-phosphomonoesters, hydrolytic mechanism RNA-DNA hybrid ribonuclease activity RNA endonuclease activity structural molecule activity cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding	symbiont-mediated perturbation of host cellular process symbiont-mediated suppression of host gene expression biological process involved in interspecies interaction between organisms symbiont-mediated perturbation of host process symbiont-mediated perturbation of host gene expression modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction viral process viral life cycle symbiont entry into host cell symbiont entry into host viral genome integration into host DNA viral penetration into host nucleus symbiont-mediated perturbation of host cellular process symbiont-mediated suppression of host gene expression biological process involved in interspecies interaction between organisms symbiont-mediated perturbation of host process symbiont-mediated perturbation of host gene expression modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction viral process viral life cycle symbiont entry into host cell symbiont entry into host viral genome integration into host DNA viral penetration into host nucleus intracellular transport of virus transport of virus establishment of integrated proviral latency viral latency establishment of viral latency viral gene expression viral translational frameshifting viral translation nucleobase-containing compound metabolic process DNA recombination metabolic process cellular process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process symbiont-mediated activation of host programmed cell death symbiont-mediated activation of host apoptosis symbiont-mediated perturbation of host programmed cell death disruption of cell in another organism symbiont-mediated perturbation of host apoptosis disruption of anatomical structure in another organism symbiont-mediated killing of host cell killing of cells of another organism cell killing proteolysis protein metabolic process	host intracellular membrane-bounded organelle host cellular component host intracellular part host multivesicular body other organism part host cell cytoplasm part host intracellular organelle cellular anatomical structure host cell cytoplasm host cell part host cell late endosome host cell endosome host intracellular region viral nucleocapsid host intracellular membrane-bounded organelle host cellular component host intracellular part host multivesicular body other organism part host cell cytoplasm part host intracellular organelle cellular anatomical structure host cell cytoplasm host cell part host cell late endosome host cell endosome host intracellular region viral nucleocapsid viral capsid virion component host cell plasma membrane host cell membrane host cell virion membrane host cell nucleus
B, D	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 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 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 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 biosynthetic process 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 metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic 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 gene expression macromolecule biosynthetic 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 process 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 regulation of localization import into cell regulation of cellular component organization transport negative regulation of biological process negative regulation of transport negative regulation of endocytosis vesicle-mediated transport cellular component organization localization negative regulation of cellular process cellular component organization or biogenesis regulation of endocytosis negative regulation of cellular component organization negative regulation of receptor-mediated endocytosis regulation of transport regulation of receptor-mediated endocytosis regulation of vesicle-mediated transport establishment of localization endocytosis receptor-mediated endocytosis positive regulation of cellular component organization positive regulation of endocytosis positive regulation of receptor-mediated endocytosis positive regulation of transport 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 antigen processing and presentation cellular component assembly protein-containing complex assembly antigen processing and presentation of peptide antigen via MHC class I MHC protein complex assembly antigen processing and presentation of peptide antigen regulation of developmental process cellular developmental process cell development regulation of cell differentiation regulation of neurogenesis regulation of cell development regulation of nervous system development negative regulation of neurogenesis multicellular organism development neurogenesis cell differentiation anatomical structure development negative regulation of nervous system development negative regulation of cell differentiation system development developmental process regulation of multicellular organismal development negative regulation of developmental process nervous system development negative regulation of cell development negative regulation of multicellular organismal process animal gross anatomical part developmental process regulation of defense response regulation of response to biotic stimulus biological process involved in interspecies interaction between organisms regulation of response to external stimulus response to biotic stimulus response to stress regulation of response to stress innate immune response response to external biotic stimulus natural killer cell mediated immunity regulation of natural killer cell mediated immunity response to other organism defense response regulation of innate immune response defense response to symbiont response to external stimulus defense response to other organism antigen processing and presentation of peptide antigen via MHC class Ib 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 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 establishment of protein localization 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 primary metabolic process protein metabolic process 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 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 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 negative regulation of monoatomic ion transport regulation of monoatomic ion transport regulation of iron ion transport regulation of metal ion transport negative regulation of iron ion transport regulation of leukocyte activation regulation of cell activation positive regulation of leukocyte cell-cell adhesion lymphocyte activation leukocyte cell-cell adhesion leukocyte activation positive regulation of cell-cell adhesion positive regulation of lymphocyte activation positive regulation of cell activation cell adhesion cell-cell adhesion T cell activation 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 cell activation 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 neuron differentiation head development forebrain generation of neurons animal organ development brain development generation of neurons central nervous system development forebrain neuron differentiation negative regulation of neuron differentiation regulation of neuron differentiation	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 vesicle 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 vesicle extracellular membrane-bounded organelle protein-containing complex plasma membrane protein complex plasma membrane signaling receptor complex membrane protein complex signaling receptor complex HFE-transferrin receptor complex MHC class I protein complex MHC protein complex endosome membrane intracellular anatomical structure 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 cytoplasm 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
A, C	MHC class I antigen	-	antigen processing and presentation immune system process 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 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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
E, F	IPR036397	Ribonuclease H superfamily	Homologous Superfamily
E, F	IPR043128	Reverse transcriptase/Diguanylate cyclase domain	Homologous Superfamily
E, F	IPR001995	Peptidase A2A, retrovirus, catalytic	Domain
E, F	IPR001878	Zinc finger, CCHC-type	Domain
E, F	IPR008919	Retrovirus capsid, N-terminal	Homologous Superfamily
E, F	IPR012344	Matrix protein, lentiviral and alpha-retroviral, N-terminal	Homologous Superfamily
E, F	IPR036862	Integrase, C-terminal domain superfamily, retroviral	Homologous Superfamily
E, F	IPR018061	Retropepsins	Domain
E, F	IPR010661	Reverse transcriptase thumb	Domain
E, F	IPR002156	Ribonuclease H domain	Domain
E, F	IPR036875	Zinc finger, CCHC-type superfamily	Homologous Superfamily
E, F	IPR003308	Integrase, N-terminal zinc-binding domain	Domain
E, F	IPR001584	Integrase, catalytic core	Domain
E, F	IPR045345	Retroviral nucleocapsid Gag protein p24, C-terminal domain	Domain
E, F	IPR010999	Retroviral matrix protein	Homologous Superfamily
E, F	IPR021109	Aspartic peptidase domain superfamily	Homologous Superfamily
E, F	IPR001969	Aspartic peptidase, active site	Active Site
E, F	IPR012337	Ribonuclease H-like superfamily	Homologous Superfamily
E, F	IPR017856	Integrase-like, N-terminal	Homologous Superfamily
E, F	IPR000071	Immunodeficiency lentiviral matrix, N-terminal	Domain
E, F	IPR043502	DNA/RNA polymerase superfamily	Homologous Superfamily
E, F	IPR001037	Integrase, C-terminal, retroviral	Domain
E, F	IPR034170	Retropepsin-like catalytic domain	Domain
E, F	IPR000477	Reverse transcriptase domain	Domain
E, F	IPR010659	Reverse transcriptase connection	Domain
E, F	IPR008916	Retrovirus capsid, C-terminal	Homologous Superfamily
B, D	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B, D	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
B, D	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B, D	IPR007110	Immunoglobulin-like domain	Domain
B, D	IPR050160	Major Histocompatibility Complex/Immunoglobulin	Family
B, D	IPR003597	Immunoglobulin C1-set	Domain
B, D	IPR015707	Beta-2-Microglobulin	Family
A, C	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A, C	IPR050208	Antigen-presenting and immune regulatory MHC class I-related	Family
A, C	IPR037055	MHC class I-like antigen recognition-like superfamily	Homologous Superfamily
A, C	IPR003597	Immunoglobulin C1-set	Domain
A, C	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, C	IPR011161	MHC class I-like antigen recognition-like	Domain
A, C	IPR011162	MHC classes I/II-like antigen recognition protein	Homologous Superfamily
A, C	IPR007110	Immunoglobulin-like domain	Domain
A, C	IPR001039	MHC class I alpha chain, alpha1 alpha2 domains	Domain
A, C	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B, D	: 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