Annotations: 1YDP

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1ydpa1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	Class I MHC, alpha-3 domain	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d1ydpa2	Alpha and beta proteins (a+b)	MHC antigen-recognition domain	MHC antigen-recognition domain	MHC antigen-recognition domain	Class I MHC, alpha-1 and alpha-2 domains	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d1ydpb_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	beta2-microglobulin	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	MHC antigen-recognition domain	8020108	4001031	SCOP2 (2022-06-29)
A	SCOP2 Family	C1 set domains-like	8054596	4000202	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	MHC antigen-recognition domain	8032488	3000521	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Immunoglobulin (Ig) domain-like	8054597	3000071	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8003766	3000071	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	C1-set_2	e1ydpA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_2	ECOD (1.6)
A	MHC_I	e1ydpA2	A: a+b two layers	X: MHC antigen-recognition domain (From Topology)	H: MHC antigen-recognition domain (From Topology)	T: MHC antigen-recognition domain	F: MHC_I	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.500.10	Alpha Beta	2-Layer Sandwich	Murine Class I Major Histocompatibility Complex, H2-DB	Chain A, domain 1	CATH (4.3.0)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
A	MH1 HLA-G*0104	I-ALPHA	Homo sapiens (human)	HLA-G*0104	G-DOMAIN G-ALPHA1, G-DOMAIN G-ALPHA2, C-LIKE-DOMAIN C-LIKE	MH	MH1-ALPHA_B2M	IMGT (202442-0)
B	MH1 HLA-G*0104	B2M	Homo sapiens (human)	B2M01, B2M02	C-LIKE-DOMAIN C-LIKE	MH	MH1-ALPHA_B2M	IMGT (202442-0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00129	Class I Histocompatibility antigen, domains alpha 1 and 2 (MHC_I)	Class I Histocompatibility antigen, domains alpha 1 and 2	-	Domain
A	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain	-	Domain
B	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
A	MHC class I antigen	binding antigen binding peptide antigen binding peptide binding identical protein binding protein binding signaling receptor binding CD8 receptor binding protein homodimerization activity protein dimerization activity	regulation of biological process regulation of cellular process regulation of cell cycle process biological regulation negative regulation of biological process negative regulation of cell cycle G0 to G1 transition negative regulation of cell cycle process regulation of G0 to G1 transition negative regulation of G0 to G1 transition negative regulation of cellular process cellular process cell cycle regulation of cell cycle regulation of biological process regulation of cellular process regulation of cell cycle process biological regulation negative regulation of biological process negative regulation of cell cycle G0 to G1 transition negative regulation of cell cycle process regulation of G0 to G1 transition negative regulation of G0 to G1 transition negative regulation of cellular process cellular process cell cycle regulation of cell cycle cell cycle process response to stimulus immune response negative regulation of response to stimulus negative regulation of immune response regulation of response to stimulus negative regulation of immune system process immune system process regulation of immune response regulation of immune system process negative regulation of lymphocyte proliferation multicellular organismal process regulation of leukocyte activation regulation of cell activation negative regulation of T cell proliferation negative regulation of cell adhesion negative regulation of leukocyte proliferation T cell activation lymphocyte proliferation regulation of leukocyte proliferation cell population proliferation negative regulation of T cell activation negative regulation of leukocyte cell-cell adhesion regulation of cell population proliferation mononuclear cell proliferation negative regulation of cell-cell adhesion regulation of leukocyte cell-cell adhesion negative regulation of multicellular organismal process negative regulation of leukocyte activation lymphocyte activation negative regulation of lymphocyte activation leukocyte proliferation leukocyte cell-cell adhesion leukocyte activation negative regulation of mononuclear cell proliferation cell adhesion cell-cell adhesion regulation of multicellular organismal process regulation of cell-cell adhesion T cell proliferation regulation of lymphocyte proliferation negative regulation of cell population proliferation regulation of cell adhesion cell activation regulation of T cell activation negative regulation of cell activation regulation of T cell proliferation regulation of mononuclear cell proliferation regulation of lymphocyte activation antigen processing and presentation 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-independent 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 regulation of immune effector process lymphocyte mediated immunity negative regulation of lymphocyte mediated immunity response to biotic stimulus negative regulation of natural killer cell mediated immunity leukocyte mediated immunity natural killer cell mediated immunity regulation of natural killer cell mediated immunity response to other organism regulation of innate immune response negative regulation of immune effector process response to external stimulus leukocyte mediated cytotoxicity immune effector process regulation of leukocyte mediated immunity defense response to other organism negative regulation of response to external stimulus negative regulation of defense response natural killer cell mediated cytotoxicity regulation of cell killing negative regulation of natural killer cell mediated cytotoxicity regulation of defense response regulation of response to biotic stimulus regulation of natural killer cell mediated cytotoxicity biological process involved in interspecies interaction between organisms regulation of response to external stimulus negative regulation of response to biotic stimulus protection from natural killer cell mediated cytotoxicity response to stress regulation of response to stress negative regulation of leukocyte mediated cytotoxicity innate immune response response to external biotic stimulus negative regulation of cell killing defense response regulation of leukocyte mediated cytotoxicity defense response to symbiont regulation of lymphocyte mediated immunity negative regulation of leukocyte mediated immunity cell killing negative regulation of innate immune response regulation of leukocyte differentiation cellular developmental process regulation of developmental process negative regulation of dendritic cell differentiation cell development mononuclear cell differentiation regulation of cell differentiation regulation of cell development multicellular organism development cell differentiation anatomical structure development negative regulation of cell differentiation negative regulation of hemopoiesis developmental process regulation of multicellular organismal development negative regulation of leukocyte differentiation hemopoiesis negative regulation of developmental process regulation of dendritic cell differentiation negative regulation of cell development regulation of hemopoiesis dendritic cell differentiation leukocyte differentiation adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains T cell mediated immunity regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains regulation of T cell mediated immunity T cell mediated cytotoxicity regulation of adaptive immune response negative regulation of T cell mediated cytotoxicity negative regulation of adaptive immune response adaptive immune response negative regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains regulation of T cell mediated cytotoxicity negative regulation of T cell mediated immunity cellular response to stimulus regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction signaling negative regulation of signaling negative regulation of intracellular signal transduction negative regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction regulation of signal transduction intracellular signal transduction negative regulation of cell communication cell communication regulation of intracellular signal transduction intracellular signaling cassette signal transduction regulation of signaling negative regulation of signal transduction regulation of cell communication phosphatidylinositol 3-kinase/protein kinase B signal transduction cellular defense response positive regulation of macromolecule biosynthetic process positive regulation of metabolic process cytokine production positive regulation of macromolecule metabolic process positive regulation of immune system process regulation of cytokine production involved in immune response cellular metabolic process regulation of cellular metabolic process regulation of gene expression biosynthetic process regulation of macrophage cytokine production positive regulation of production of molecular mediator of immune response positive regulation of multicellular organismal process 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 macrophage cytokine production cellular biosynthetic process positive regulation of biological process positive regulation of cellular metabolic process positive regulation of biosynthetic process positive regulation of myeloid leukocyte cytokine production involved in immune response regulation of cytokine production positive regulation of immune effector process myeloid leukocyte cytokine production cytokine production involved in immune response positive regulation of cellular process production of molecular mediator of immune response regulation of biosynthetic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of cellular biosynthetic process positive regulation of gene expression positive regulation of cytokine production involved in immune response positive regulation of cellular biosynthetic process macrophage cytokine production protein-containing complex organization protein trimerization cellular component organization cellular component biogenesis cellular component assembly protein homotrimerization protein complex oligomerization protein-containing complex assembly protein homooligomerization cellular component organization or biogenesis positive regulation of leukocyte mediated immunity 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 response to stimulus positive regulation of immune response positive regulation of leukocyte mediated cytotoxicity positive regulation of adaptive immune response positive regulation of T cell mediated cytotoxicity positive regulation of T cell mediated immunity positive regulation of cell killing positive regulation of response to biotic stimulus regulation of natural killer cell cytokine production positive regulation of natural killer cell mediated immunity positive regulation of defense response natural killer cell cytokine production positive regulation of response to external stimulus positive regulation of innate immune response positive regulation of natural killer cell cytokine production lymphocyte differentiation positive regulation of T cell differentiation positive regulation of developmental process positive regulation of cell activation positive regulation of leukocyte activation T cell differentiation positive regulation of T cell activation positive regulation of cell development positive regulation of regulatory T cell differentiation positive regulation of leukocyte cell-cell adhesion positive regulation of cell-cell adhesion regulation of T cell differentiation positive regulation of lymphocyte activation positive regulation of hemopoiesis positive regulation of cell differentiation regulation of lymphocyte differentiation positive regulation of cell adhesion regulation of regulatory T cell differentiation regulatory T cell differentiation positive regulation of leukocyte differentiation positive regulation of lymphocyte differentiation immune system development tolerance induction dependent upon immune response peripheral B cell tolerance induction B cell tolerance induction B cell mediated immunity peripheral tolerance induction tolerance induction system development immune response-regulating cell surface receptor signaling pathway cell surface receptor signaling pathway immune response-inhibiting cell surface receptor signaling pathway immune response-regulating signaling pathway immune response-inhibiting signal transduction regulation of interleukin-12 production interleukin-12 production positive regulation of interleukin-12 production T cell tolerance induction positive regulation of T cell tolerance induction regulation of tolerance induction positive regulation of tolerance induction regulation of T cell tolerance induction regulation of cellular senescence cellular senescence positive regulation of cellular senescence cellular response to stress positive regulation of endothelial cell apoptotic process positive regulation of programmed cell death regulation of apoptotic process regulation of programmed cell death cell death positive regulation of apoptotic process endothelial cell apoptotic process apoptotic process programmed cell death regulation of endothelial cell apoptotic process angiogenesis regulation of vasculature development tube morphogenesis regulation of anatomical structure morphogenesis blood vessel development blood vessel morphogenesis tube development negative regulation of blood vessel morphogenesis negative regulation of angiogenesis vasculature development circulatory system development negative regulation of vasculature development anatomical structure morphogenesis regulation of angiogenesis anatomical structure formation involved in morphogenesis antigen processing and presentation of endogenous peptide antigen via MHC class Ib antigen processing and presentation of peptide antigen via MHC class Ib antigen processing and presentation via MHC class Ib	membrane-bounded organelle intracellular anatomical structure cis-Golgi network membrane Golgi apparatus membrane intracellular membrane-bounded organelle cellular anatomical entity endomembrane system intracellular organelle bounding membrane of organelle cis-Golgi network organelle cytoplasm organelle membrane membrane-bounded organelle intracellular anatomical structure cis-Golgi network membrane Golgi apparatus membrane intracellular membrane-bounded organelle cellular anatomical entity endomembrane system intracellular organelle bounding membrane of organelle cis-Golgi network organelle cytoplasm organelle membrane cell periphery cell surface plasma membrane external side of plasma membrane side of membrane MHC class I protein complex MHC protein complex protein-containing complex plasma membrane protein complex membrane protein complex intracellular vesicle phagocytic vesicle phagocytic vesicle membrane cytoplasmic vesicle membrane cytoplasmic vesicle vesicle membrane endocytic vesicle membrane vesicle endocytic vesicle Golgi membrane extracellular region extracellular space early endosome endosome organelle subcompartment lumenal side of endoplasmic reticulum membrane lumenal side of membrane endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum endoplasmic reticulum membrane endosome membrane recycling endosome recycling endosome membrane 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 filopodium membrane plasma membrane bounded cell projection cell projection actin-based cell projection filopodium plasma membrane region cell projection membrane
B	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 cellular biosynthetic process cellular metabolic process primary metabolic 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 cellular biosynthetic process cellular metabolic process 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 regulation of cellular metabolic process 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 cellular metabolic 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 cellular biosynthetic process 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 positive regulation of cellular biosynthetic 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 chemical response to iron ion 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 positive regulation of protein binding regulation of binding positive regulation of binding regulation of protein binding positive regulation of molecular function regulation of molecular function regulation of receptor binding regulation of transferrin receptor binding positive regulation of receptor binding positive regulation of transferrin receptor binding 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 positive regulation of ferrous iron binding regulation of ferrous iron binding 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 iron ion transport transition metal ion transport monoatomic ion transport monoatomic cation transport metal ion 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 negative regulation of protein 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 cell surface membrane plasma membrane cellular anatomical entity external side of plasma membrane side of membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space cell periphery cell surface membrane plasma membrane cellular anatomical entity 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 [auth P]	histone 2a peptide	protein binding binding histone binding chromatin-protein adaptor activity protein-macromolecule adaptor activity molecular adaptor activity protein heterodimerization activity protein dimerization activity DNA binding organic cyclic compound binding damaged DNA binding nucleic acid binding structural molecule activity structural constituent of chromatin protein binding binding histone binding chromatin-protein adaptor activity protein-macromolecule adaptor activity molecular adaptor activity protein heterodimerization activity protein dimerization activity DNA binding organic cyclic compound binding damaged DNA binding nucleic acid binding structural molecule activity structural constituent of chromatin protein-containing complex binding chromatin binding nucleosome binding nucleosomal DNA binding chromatin DNA binding enzyme binding	cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process developmental process spermatogenesis sexual reproduction reproductive process multicellular organismal reproductive process developmental process involved in reproduction male gamete generation gamete generation cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process developmental process spermatogenesis sexual reproduction reproductive process multicellular organismal reproductive process developmental process involved in reproduction male gamete generation gamete generation cellular response to ionizing radiation cellular response to radiation cellular response to environmental stimulus response to ionizing radiation cellular response to gamma radiation response to radiation response to abiotic stimulus cellular response to abiotic stimulus response to gamma radiation protein localization localization cellular localization protein localization to chromosome protein localization to organelle cellular macromolecule localization macromolecule localization protein localization to site of double-strand break regulation of cellular process positive regulation of biological process regulation of cellular response to stress regulation of primary metabolic process positive regulation of response to stimulus nucleobase-containing compound metabolic process positive regulation of metabolic process positive regulation of DNA repair regulation of response to stress positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process positive regulation of cellular process DNA repair regulation of biological process positive regulation of nucleobase-containing compound metabolic process biological regulation primary metabolic process DNA metabolic process regulation of macromolecule metabolic process nucleic acid metabolic process regulation of DNA repair positive regulation of DNA metabolic process regulation of response to stimulus metabolic process macromolecule metabolic process regulation of metabolic process regulation of DNA metabolic process cellular metabolic process cellular senescence protein-containing complex organization protein-DNA complex assembly cellular component organization protein-DNA complex organization cellular component biogenesis cellular component assembly chromatin organization protein-containing complex assembly chromatin remodeling cellular component organization or biogenesis nucleosome assembly nucleosome organization multicellular organismal process head development forebrain development animal organ development brain development nervous system development pallium development cerebral cortex development multicellular organism development central nervous system development anatomical structure development telencephalon development system development double-strand break repair DNA recombination recombinational repair double-strand break repair via homologous recombination cellular biosynthetic process negative regulation of biological process negative regulation of cellular metabolic process negative regulation of cellular process negative regulation of macromolecule metabolic process regulation of biosynthetic process heterochromatin formation epigenetic regulation of gene expression negative regulation of metabolic process regulation of cellular metabolic process gene expression macromolecule biosynthetic process negative regulation of cellular biosynthetic process regulation of cellular biosynthetic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process negative regulation of gene expression, epigenetic regulation of macromolecule biosynthetic process meiotic cell cycle cell cycle DNA damage checkpoint signaling regulation of cell cycle phase transition signaling negative regulation of cell cycle cell cycle phase transition intracellular signal transduction cell communication negative regulation of cell cycle phase transition signal transduction regulation of cell cycle cell cycle process regulation of cell cycle process DNA integrity checkpoint signaling negative regulation of cell cycle process cell cycle checkpoint signaling signal transduction in response to DNA damage	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen cellular anatomical entity intracellular membrane-bounded organelle intracellular organelle lumen nuclear speck nuclear body intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen cellular anatomical entity intracellular membrane-bounded organelle intracellular organelle lumen nuclear speck nuclear body intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen condensed nuclear chromosome nuclear chromosome chromosome intracellular non-membrane-bounded organelle condensed chromosome non-membrane-bounded organelle extracellular exosome extracellular vesicle extracellular organelle extracellular region extracellular space vesicle extracellular membrane-bounded organelle centrosome microtubule organizing center cytoskeleton microtubule cytoskeleton XY body sex chromosome protein-containing complex protein-DNA complex nucleosome chromatin replication fork male germ cell nucleus germ cell nucleus site of double-strand break site of DNA damage

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A	IPR011162	MHC classes I/II-like antigen recognition protein	Homologous Superfamily
A	IPR001039	MHC class I alpha chain, alpha1 alpha2 domains	Domain
A	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR007110	Immunoglobulin-like domain	Domain
A	IPR050208	Antigen-presenting and immune regulatory MHC class I-related	Family
A	IPR003597	Immunoglobulin C1-set	Domain
A	IPR011161	MHC class I-like antigen recognition-like	Domain
A	IPR037055	MHC class I-like antigen recognition-like superfamily	Homologous Superfamily
B	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
B	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B	IPR007110	Immunoglobulin-like domain	Domain
B	IPR050160	Major Histocompatibility Complex/Immunoglobulin	Family
B	IPR003597	Immunoglobulin C1-set	Domain
B	IPR015707	Beta-2-Microglobulin	Family
C [auth P]	IPR002119	Histone H2A	Family
C [auth P]	IPR032454	Histone H2A, C-terminal domain	Domain
C [auth P]	IPR032458	Histone H2A conserved site	Conserved Site
C [auth P]	IPR009072	Histone-fold	Homologous Superfamily
C [auth P]	IPR007125	Histone H2A/H2B/H3	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P17693	asthma malignant glioma ovarian cancer plasma cell myeloma squamous cell lung carcinoma bipolar disorder cervical cancer cutaneous lupus erythematosus inherited susceptibility to asthma liver disease lung carcinoma nasopharyngeal disease pemphigus psoriasis subependymal giant cell astrocytoma asthma malignant glioma ovarian cancer plasma cell myeloma squamous cell lung carcinoma bipolar disorder cervical cancer cutaneous lupus erythematosus inherited susceptibility to asthma liver disease lung carcinoma nasopharyngeal disease pemphigus psoriasis subependymal giant cell astrocytoma astrocytic tumor breast cancer colorectal cancer endogenous depression juvenile dermatomyositis lung adenocarcinoma malignant ependymoma osteosarcoma pilocytic astrocytoma psoriatic arthritis autism spectrum disorder breast carcinoma Crohn disease glioblastoma juvenile idiopathic arthritis lung cancer
B	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
C [auth P]	Pharos: P16104	glioblastoma breast carcinoma Neoplasm Recurrence, Local polyploidy breast cancer giant cell glioblastoma ovarian cancer atopic eczema cancer ductal breast carcinoma in situ lung adenocarcinoma malignant mesothelioma non-small cell lung carcinoma pancreatic ductal adenocarcinoma psoriasis glioblastoma breast carcinoma Neoplasm Recurrence, Local polyploidy breast cancer giant cell glioblastoma ovarian cancer atopic eczema cancer ductal breast carcinoma in situ lung adenocarcinoma malignant mesothelioma non-small cell lung carcinoma pancreatic ductal adenocarcinoma psoriasis endometriosis heart disease lung cancer osteosarcoma pancreatic intraductal papillary-mucinous neoplasm schizophrenia invasive ductal breast carcinoma malignant ependymoma