6CQJ | pdb_00006cqj

Crystal structure of DR1 presenting the RQ13 peptide

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
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)
B	SCOP2B Superfamily	MHC antigen-recognition domain	8034737	3000521	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8054703	3000071	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8054705	3000071	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	MHC antigen-recognition domain	8055636	3000521	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8054703	3000071	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8054705	3000071	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	MHC antigen-recognition domain	8055636	3000521	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	MHC antigen-recognition domain	8034737	3000521	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	MHC antigen-recognition domain	8034737	3000521	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8054705	3000071	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8054703	3000071	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	MHC antigen-recognition domain	8055636	3000521	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8054671	3000071	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	MHC antigen-recognition domain	8040455	3000521	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8054671	3000071	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	MHC antigen-recognition domain	8040455	3000521	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	MHC antigen-recognition domain	8040455	3000521	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8054671	3000071	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	e6cqjB2	A: OB-fold	X: Nucleic acid-binding protein	H: Nucleotidyltransferase	T: Pept_tRNA_hydro	F:	ECOD (20:10:01)
B	e6cqjB3	A: Nat/Ivy	X: Acyl-CoA N-acyltransferases (Nat)	H: Acyl-CoA N-acyltransferases (Nat)	T: DNA_gyraseB_C,Toprim	F:	ECOD (20:10:01)
E	e6cqjE1	A: OB-fold	X: Nucleic acid-binding protein	H: Nucleotidyltransferase	T: Pept_tRNA_hydro	F:	ECOD (20:10:01)
E	e6cqjE2	A: Nat/Ivy	X: Acyl-CoA N-acyltransferases (Nat)	H: Acyl-CoA N-acyltransferases (Nat)	T: DNA_gyraseB_C,Toprim	F:	ECOD (20:10:01)
H	e6cqjH2	A: OB-fold	X: Nucleic acid-binding protein	H: Nucleotidyltransferase	T: Pept_tRNA_hydro	F:	ECOD (20:10:01)
H	e6cqjH3	A: Nat/Ivy	X: Acyl-CoA N-acyltransferases (Nat)	H: Acyl-CoA N-acyltransferases (Nat)	T: DNA_gyraseB_C,Toprim	F:	ECOD (20:10:01)
A	e6cqjA1	A: OB-fold	X: Nucleic acid-binding protein	H: Nucleotidyltransferase	T: Pept_tRNA_hydro	F:	ECOD (20:10:01)
D	e6cqjD1	A: OB-fold	X: Nucleic acid-binding protein	H: Nucleotidyltransferase	T: Pept_tRNA_hydro	F:	ECOD (20:10:01)
G	e6cqjG1	A: OB-fold	X: Nucleic acid-binding protein	H: Nucleotidyltransferase	T: Pept_tRNA_hydro	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.10.320.10	Alpha Beta	Roll	Class II Histocompatibility Antigen, M Beta Chain	Chain B, domain 1	CATH (4.3.0)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
E	3.10.320.10	Alpha Beta	Roll	Class II Histocompatibility Antigen, M Beta Chain	Chain B, domain 1	CATH (4.3.0)
E	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
H	3.10.320.10	Alpha Beta	Roll	Class II Histocompatibility Antigen, M Beta Chain	Chain B, domain 1	CATH (4.3.0)
H	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A	3.10.320.10	Alpha Beta	Roll	Class II Histocompatibility Antigen, M Beta Chain	Chain B, domain 1	CATH (4.3.0)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
D	3.10.320.10	Alpha Beta	Roll	Class II Histocompatibility Antigen, M Beta Chain	Chain B, domain 1	CATH (4.3.0)
D	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
G	3.10.320.10	Alpha Beta	Roll	Class II Histocompatibility Antigen, M Beta Chain	Chain B, domain 1	CATH (4.3.0)
G	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
B, E, H	MH2 HLA-DR1	II-BETA	Homo sapiens (human)	HLA-DRB1*0101	G-DOMAIN G-BETA, C-LIKE-DOMAIN C-LIKE	MH	MH2-ALPHA_BETA	IMGT (202609-0)
A, D, G	MH2 HLA-DR1	II-ALPHA	Homo sapiens (human)	HLA-DRA0101, HLA-DRA0102	G-DOMAIN G-ALPHA, C-LIKE-DOMAIN C-LIKE	MH	MH2-ALPHA_BETA	IMGT (202609-0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Source
B, E, H	PF00969	Class II histocompatibility antigen, beta domain (MHC_II_beta)	Class II histocompatibility antigen, beta domain	Domain
B, E, H	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain	Domain
A, D, G	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain	Domain
A, D, G	PF00993	Class II histocompatibility antigen, alpha domain (MHC_II_alpha)	Class II histocompatibility antigen, alpha domain	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, E, H	HLA class II histocompatibility antigen, DRB1-1 beta chain	binding antigen binding peptide antigen binding peptide binding protein-containing complex binding MHC protein complex binding MHC class II protein complex binding polysaccharide binding carbohydrate binding protein binding signaling receptor binding T cell receptor binding CD4 receptor binding structural constituent of cytoskeleton binding antigen binding peptide antigen binding peptide binding protein-containing complex binding MHC protein complex binding MHC class II protein complex binding polysaccharide binding carbohydrate binding protein binding signaling receptor binding T cell receptor binding CD4 receptor binding structural constituent of cytoskeleton structural molecule activity	antigen processing and presentation antigen processing and presentation of endogenous peptide antigen via MHC class II antigen processing and presentation of peptide or polysaccharide antigen via MHC class II immune system process antigen processing and presentation of endogenous peptide antigen antigen processing and presentation of peptide antigen via MHC class II antigen processing and presentation of peptide antigen antigen processing and presentation of endogenous antigen cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein complex oligomerization protein tetramerization antigen processing and presentation antigen processing and presentation of endogenous peptide antigen via MHC class II antigen processing and presentation of peptide or polysaccharide antigen via MHC class II immune system process antigen processing and presentation of endogenous peptide antigen antigen processing and presentation of peptide antigen via MHC class II antigen processing and presentation of peptide antigen antigen processing and presentation of endogenous antigen cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein complex oligomerization protein tetramerization protein-containing complex assembly cellular process cellular component organization or biogenesis biological process involved in interspecies interaction between organisms response to stimulus detection of external biotic stimulus response to other organism response to external stimulus detection of biotic stimulus detection of bacterium response to biotic stimulus detection of stimulus response to bacterium detection of other organism response to external biotic stimulus negative regulation of lymphocyte proliferation multicellular organismal process regulation of cellular process regulation of leukocyte activation negative regulation of biological process 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 immune system process regulation of leukocyte proliferation regulation of biological process 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 negative regulation of cellular process 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 biological regulation cell activation regulation of T cell activation negative regulation of cell activation regulation of T cell proliferation negative regulation of immune system process regulation of mononuclear cell proliferation regulation of lymphocyte activation defense response immune response response to stress inflammatory response inflammatory response to antigenic stimulus myeloid leukocyte differentiation regulation of leukocyte differentiation positive regulation of monocyte differentiation cellular developmental process regulation of developmental process positive regulation of biological process cell development regulation of cell differentiation mononuclear cell differentiation regulation of cell development positive regulation of developmental process multicellular organism development positive regulation of cell differentiation positive regulation of hemopoiesis cell differentiation anatomical structure development monocyte differentiation positive regulation of immune system process positive regulation of cellular process developmental process regulation of multicellular organismal development regulation of monocyte differentiation hemopoiesis regulation of myeloid cell differentiation positive regulation of cell development regulation of myeloid leukocyte differentiation positive regulation of myeloid leukocyte differentiation myeloid cell differentiation positive regulation of myeloid cell differentiation regulation of hemopoiesis positive regulation of multicellular organismal process positive regulation of leukocyte differentiation leukocyte differentiation regulation of defense response regulation of response to external stimulus negative regulation of inflammatory response regulation of response to stress negative regulation of inflammatory response to antigenic stimulus negative regulation of response to stimulus negative regulation of immune response regulation of inflammatory response to antigenic stimulus regulation of inflammatory response regulation of response to stimulus negative regulation of response to external stimulus negative regulation of defense response regulation of immune response regulation of type II interferon production type II interferon production cytokine production regulation of cytokine production negative regulation of type II interferon production negative regulation of macromolecule metabolic process regulation of biosynthetic process negative regulation of metabolic process negative regulation of cytokine production regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of metabolic process regulation of interleukin-4 production interleukin-4 production adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity regulation of immune effector process T cell mediated immunity 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 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 leukocyte mediated immunity positive regulation of immune effector process positive regulation of adaptive immune response regulation of T cell mediated immunity T cell mediated cytotoxicity positive regulation of T cell mediated cytotoxicity regulation of adaptive immune response regulation of leukocyte mediated cytotoxicity leukocyte mediated cytotoxicity adaptive immune response immune effector process regulation of leukocyte mediated immunity regulation of T cell mediated cytotoxicity regulation of lymphocyte mediated immunity positive regulation of T cell mediated immunity regulation of cell killing positive regulation of cell killing cell killing regulation of alpha-beta T cell activation lymphocyte differentiation positive regulation of T cell differentiation positive regulation of cell activation positive regulation of leukocyte activation alpha-beta T cell activation T cell differentiation positive regulation of T cell activation positive regulation of CD4-positive, alpha-beta T cell differentiation positive regulation of regulatory T cell differentiation positive regulation of alpha-beta T cell activation regulation of CD4-positive, CD25-positive, alpha-beta regulatory T cell differentiation positive regulation of alpha-beta T cell differentiation positive regulation of leukocyte cell-cell adhesion regulation of CD4-positive, alpha-beta T cell differentiation regulation of alpha-beta T cell differentiation CD4-positive, alpha-beta T cell differentiation positive regulation of cell-cell adhesion regulation of T cell differentiation positive regulation of lymphocyte activation positive regulation of CD4-positive, alpha-beta T cell activation alpha-beta T cell differentiation CD4-positive, alpha-beta T cell activation regulation of lymphocyte differentiation positive regulation of CD4-positive, CD25-positive, alpha-beta regulatory T cell differentiation positive regulation of cell adhesion regulation of regulatory T cell differentiation CD4-positive, CD25-positive, alpha-beta regulatory T cell differentiation regulation of CD4-positive, alpha-beta T cell activation regulatory T cell differentiation positive regulation of lymphocyte differentiation cellular response to stimulus immune response-regulating cell surface receptor signaling pathway signaling cell communication immune response-activating signaling pathway immune response-regulating signaling pathway signal transduction cell surface receptor signaling pathway immune response-activating cell surface receptor signaling pathway T cell receptor signaling pathway antigen receptor-mediated signaling pathway activation of immune response humoral immune response epidermis development tissue development antigen processing and presentation of exogenous peptide antigen via MHC class II antigen processing and presentation of exogenous peptide antigen antigen processing and presentation of exogenous antigen interleukin-10 production regulation of interleukin-10 production peptide antigen assembly with MHC class II protein complex peptide antigen assembly with MHC protein complex MHC class II protein complex assembly MHC protein complex assembly positive regulation of cell communication regulation of localization establishment of protein localization nitrogen compound transport positive regulation of establishment of protein localization localization carbohydrate homeostasis establishment of localization in cell positive regulation of insulin secretion involved in cellular response to glucose stimulus positive regulation of insulin secretion intracellular protein localization regulation of biological quality regulation of peptide hormone secretion regulation of hormone levels positive regulation of peptide hormone secretion establishment of protein localization to extracellular region intracellular glucose homeostasis protein secretion establishment of localization cellular response to oxygen-containing compound regulation of protein secretion regulation of secretion cellular response to carbohydrate stimulus chemical homeostasis response to glucose response to chemical glucose homeostasis positive regulation of protein localization insulin secretion involved in cellular response to glucose stimulus cellular localization regulation of hormone secretion regulation of protein localization regulation of peptide secretion transport homeostatic process positive regulation of secretion by cell hormone secretion protein localization to extracellular region positive regulation of protein transport peptide secretion regulation of secretion by cell secretion by cell positive regulation of hormone secretion response to monosaccharide response to carbohydrate positive regulation of secretion signal release cellular response to hexose stimulus intracellular chemical homeostasis cellular response to monosaccharide stimulus positive regulation of peptide secretion regulation of signaling regulation of transport secretion regulation of peptide transport regulation of establishment of protein localization export from cell cell-cell signaling response to oxygen-containing compound cellular response to glucose stimulus regulation of protein transport positive regulation of protein secretion peptide transport response to hexose cellular response to chemical stimulus cellular homeostasis positive regulation of transport regulation of cellular localization protein transport regulation of insulin secretion peptide hormone secretion macromolecule localization regulation of insulin secretion involved in cellular response to glucose stimulus hormone transport regulation of cell communication insulin secretion positive regulation of signaling macrophage differentiation regulation of response to biotic stimulus positive regulation of response to biotic stimulus immune response to tumor cell regulation of response to tumor cell T cell mediated immune response to tumor cell regulation of T cell mediated immune response to tumor cell response to tumor cell positive regulation of immune response to tumor cell regulation of immune response to tumor cell positive regulation of T cell mediated immune response to tumor cell positive regulation of response to tumor cell T-helper 1 type immune response dendritic cell antigen processing and presentation myeloid dendritic cell antigen processing and presentation regulation of T-helper cell differentiation T-helper cell differentiation immunological memory formation process cell activation involved in immune response positive regulation of memory T cell differentiation memory T cell differentiation T cell activation involved in immune response leukocyte activation involved in immune response lymphocyte activation involved in immune response T cell differentiation involved in immune response regulation of memory T cell differentiation immunological memory process	cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular organelle bounding membrane of organelle cytoplasmic vesicle vesicle membrane cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular organelle bounding membrane of organelle cytoplasmic vesicle vesicle membrane clathrin-coated vesicle endocytic vesicle membrane coated vesicle vesicle endocytic vesicle clathrin-coated vesicle membrane clathrin-coated endocytic vesicle membrane intracellular membrane-bounded organelle clathrin-coated endocytic vesicle cytoplasmic vesicle membrane coated vesicle membrane organelle cytoplasm organelle membrane extracellular exosome extracellular vesicle extracellular organelle extracellular region extracellular space extracellular membrane-bounded organelle endosome membrane endosome late endosome membrane endomembrane system late endosome vacuolar membrane lytic vacuole vacuole lytic vacuole membrane lysosomal membrane lysosome Golgi membrane Golgi apparatus transport vesicle transport vesicle membrane polymeric cytoskeletal fiber intracellular membraneless organelle intermediate filament cytoskeleton cytoskeleton membraneless organelle intermediate filament supramolecular fiber supramolecular polymer supramolecular complex MHC protein complex MHC class II protein complex protein-containing complex plasma membrane protein complex membrane protein complex 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 immunological synapse autolysosome autolysosome membrane secondary lysosome Golgi apparatus subcompartment trans-Golgi network membrane trans-Golgi network COPII-coated ER to Golgi transport vesicle ER to Golgi transport vesicle membrane
C, F, I	Peptide from Capsid protein p24	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 primary metabolic process gene expression macromolecule biosynthetic process protein maturation biosynthetic process proteolysis protein processing metabolic process cellular process protein metabolic process macromolecule metabolic process nucleobase-containing compound metabolic process DNA recombination DNA metabolic process nucleic acid metabolic process regulation of biological process symbiont-mediated activation of host programmed cell death regulation of cellular process symbiont-mediated activation of host apoptosis symbiont-mediated perturbation of host programmed cell death biological regulation regulation of killing of cells of another organism disruption of cell in another organism regulation of cell killing 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	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
A, D, G	HLA class II histocompatibility antigen, DR alpha chain	binding antigen binding peptide antigen binding peptide binding protein-containing complex binding MHC protein complex binding MHC class II protein complex binding polysaccharide binding carbohydrate binding protein binding signaling receptor binding T cell receptor binding	multicellular organismal process regulation of cellular process regulation of alpha-beta T cell activation regulation of leukocyte activation positive regulation of biological process 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 CD4-positive, alpha-beta T cell activation positive regulation of lymphocyte activation positive regulation of cell activation cell adhesion multicellular organismal process regulation of cellular process regulation of alpha-beta T cell activation regulation of leukocyte activation positive regulation of biological process 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 CD4-positive, alpha-beta T cell activation positive regulation of lymphocyte activation positive regulation of cell activation cell adhesion cell-cell adhesion T cell activation CD4-positive, alpha-beta T cell activation positive regulation of leukocyte activation alpha-beta T cell activation regulation of immune system process regulation of multicellular organismal process regulation of cell-cell adhesion positive regulation of immune system process positive regulation of cellular process regulation of biological process positive regulation of T cell activation positive regulation of cell adhesion regulation of cell adhesion cell activation biological regulation regulation of T cell activation positive regulation of alpha-beta T cell activation regulation of CD4-positive, alpha-beta T cell activation immune system process regulation of leukocyte cell-cell adhesion positive regulation of multicellular organismal process cellular process regulation of lymphocyte activation response to stimulus immune response positive regulation of response to stimulus positive regulation of immune response regulation of response to stimulus regulation of immune response antigen processing and presentation antigen processing and presentation of peptide or polysaccharide antigen via MHC class II antigen processing and presentation of endogenous peptide antigen via MHC class II antigen processing and presentation of endogenous peptide antigen antigen processing and presentation of peptide antigen via MHC class II antigen processing and presentation of peptide antigen antigen processing and presentation of endogenous antigen adaptive immune response antigen processing and presentation of exogenous peptide antigen via MHC class II antigen processing and presentation of exogenous peptide antigen antigen processing and presentation of exogenous antigen system process nervous system process cognition peptide antigen assembly with MHC class II protein complex protein-containing complex organization peptide antigen assembly with MHC protein complex MHC class II protein complex assembly cellular component organization cellular component biogenesis cellular component assembly protein-containing complex assembly MHC protein complex assembly cellular component organization or biogenesis dendritic cell antigen processing and presentation myeloid dendritic cell antigen processing and presentation adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity regulation of immune effector process T cell mediated immunity 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 regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains positive regulation of leukocyte mediated cytotoxicity leukocyte mediated immunity positive regulation of immune effector process positive regulation of adaptive immune response regulation of T cell mediated immunity T cell mediated cytotoxicity positive regulation of T cell mediated cytotoxicity regulation of adaptive immune response regulation of leukocyte mediated cytotoxicity leukocyte mediated cytotoxicity immune effector process regulation of leukocyte mediated immunity regulation of T cell mediated cytotoxicity regulation of lymphocyte mediated immunity positive regulation of T cell mediated immunity regulation of cell killing positive regulation of cell killing cell killing regulation of leukocyte differentiation mononuclear cell differentiation regulation of cell differentiation lymphocyte differentiation regulation of cell development multicellular organism development cell differentiation regulation of T-helper cell differentiation anatomical structure development T cell differentiation developmental process T-helper cell differentiation leukocyte differentiation cellular developmental process regulation of developmental process cell development regulation of CD4-positive, alpha-beta T cell differentiation regulation of alpha-beta T cell differentiation CD4-positive, alpha-beta T cell differentiation regulation of T cell differentiation alpha-beta T cell differentiation regulation of lymphocyte differentiation regulation of multicellular organismal development hemopoiesis regulation of hemopoiesis immunological memory formation process cell activation involved in immune response positive regulation of T cell differentiation positive regulation of developmental process positive regulation of memory T cell differentiation positive regulation of cell development memory T cell differentiation T cell activation involved in immune response positive regulation of hemopoiesis positive regulation of cell differentiation leukocyte activation involved in immune response lymphocyte activation involved in immune response T cell differentiation involved in immune response regulation of memory T cell differentiation immunological memory process positive regulation of leukocyte differentiation positive regulation of lymphocyte differentiation positive regulation of CD4-positive, alpha-beta T cell differentiation positive regulation of regulatory T cell differentiation regulation of CD4-positive, CD25-positive, alpha-beta regulatory T cell differentiation positive regulation of alpha-beta T cell differentiation positive regulation of CD4-positive, CD25-positive, alpha-beta regulatory T cell differentiation regulation of regulatory T cell differentiation CD4-positive, CD25-positive, alpha-beta regulatory T cell differentiation regulatory T cell differentiation	membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular organelle cellular anatomical structure bounding membrane of organelle cytoplasmic vesicle vesicle membrane clathrin-coated vesicle endocytic vesicle membrane coated vesicle vesicle endocytic vesicle clathrin-coated vesicle membrane membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular organelle cellular anatomical structure bounding membrane of organelle cytoplasmic vesicle vesicle membrane clathrin-coated vesicle endocytic vesicle membrane coated vesicle vesicle endocytic vesicle clathrin-coated vesicle membrane clathrin-coated endocytic vesicle membrane membrane intracellular membrane-bounded organelle clathrin-coated endocytic vesicle cytoplasmic vesicle membrane coated vesicle membrane organelle cytoplasm organelle membrane extracellular exosome extracellular vesicle extracellular organelle extracellular region extracellular space extracellular membrane-bounded organelle cell surface MHC protein complex cell periphery MHC class II protein complex protein-containing complex plasma membrane protein complex plasma membrane membrane protein complex endosome membrane endosome late endosome membrane endomembrane system late endosome lytic vacuole vacuole lysosome organelle subcompartment lumenal side of endoplasmic reticulum membrane side of membrane lumenal side of membrane endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum endoplasmic reticulum membrane immunological synapse vacuolar membrane lytic vacuole membrane lysosomal membrane Golgi membrane Golgi apparatus early endosome early endosome membrane autolysosome autolysosome membrane secondary lysosome Golgi apparatus subcompartment trans-Golgi network membrane trans-Golgi network transport vesicle transport vesicle membrane COPII-coated ER to Golgi transport vesicle ER to Golgi transport vesicle membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B, E, H	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B, E, H	IPR011162	MHC classes I/II-like antigen recognition protein	Homologous Superfamily
B, E, H	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
B, E, H	IPR014745	MHC class II, alpha/beta chain, N-terminal	Homologous Superfamily
B, E, H	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B, E, H	IPR007110	Immunoglobulin-like domain	Domain
B, E, H	IPR050160	Major Histocompatibility Complex/Immunoglobulin	Family
B, E, H	IPR003597	Immunoglobulin C1-set	Domain
B, E, H	IPR000353	MHC class II, beta chain, N-terminal	Domain
C, F, I	IPR036397	Ribonuclease H superfamily	Homologous Superfamily
C, F, I	IPR043128	Reverse transcriptase/Diguanylate cyclase domain	Homologous Superfamily
C, F, I	IPR001995	Peptidase A2A, retrovirus, catalytic	Domain
C, F, I	IPR001878	Zinc finger, CCHC-type	Domain
C, F, I	IPR008919	Retrovirus capsid, N-terminal	Homologous Superfamily
C, F, I	IPR012344	Matrix protein, lentiviral and alpha-retroviral, N-terminal	Homologous Superfamily
C, F, I	IPR036862	Integrase, C-terminal domain superfamily, retroviral	Homologous Superfamily
C, F, I	IPR018061	Retropepsins	Domain
C, F, I	IPR010661	Reverse transcriptase thumb	Domain
C, F, I	IPR002156	Ribonuclease H domain	Domain
C, F, I	IPR036875	Zinc finger, CCHC-type superfamily	Homologous Superfamily
C, F, I	IPR003308	Integrase, N-terminal zinc-binding domain	Domain
C, F, I	IPR001584	Integrase, catalytic core	Domain
C, F, I	IPR045345	Retroviral nucleocapsid Gag protein p24, C-terminal domain	Domain
C, F, I	IPR010999	Retroviral matrix protein	Homologous Superfamily
C, F, I	IPR021109	Aspartic peptidase domain superfamily	Homologous Superfamily
C, F, I	IPR001969	Aspartic peptidase, active site	Active Site
C, F, I	IPR012337	Ribonuclease H-like superfamily	Homologous Superfamily
C, F, I	IPR017856	Integrase-like, N-terminal	Homologous Superfamily
C, F, I	IPR000071	Immunodeficiency lentiviral matrix, N-terminal	Domain
C, F, I	IPR043502	DNA/RNA polymerase superfamily	Homologous Superfamily
C, F, I	IPR001037	Integrase, C-terminal, retroviral	Domain
C, F, I	IPR034170	Retropepsin-like catalytic domain	Domain
C, F, I	IPR000477	Reverse transcriptase domain	Domain
C, F, I	IPR010659	Reverse transcriptase connection	Domain
C, F, I	IPR008916	Retrovirus capsid, C-terminal	Homologous Superfamily
A, D, G	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A, D, G	IPR050160	Major Histocompatibility Complex/Immunoglobulin	Family
A, D, G	IPR003597	Immunoglobulin C1-set	Domain
A, D, G	IPR011162	MHC classes I/II-like antigen recognition protein	Homologous Superfamily
A, D, G	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
A, D, G	IPR014745	MHC class II, alpha/beta chain, N-terminal	Homologous Superfamily
A, D, G	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, D, G	IPR007110	Immunoglobulin-like domain	Domain
A, D, G	IPR001003	MHC class II, alpha chain, N-terminal	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B, E, H	Pharos: P01911	Crohn disease narcolepsy rheumatoid arthritis sarcoidosis ulcerative colitis juvenile idiopathic arthritis nephrotic syndrome membranous glomerulonephritis psoriatic arthritis Hashimoto thyroiditis asthma pancreatitis follicular lymphoma chronic beryllium disease multiple sclerosis Crohn disease narcolepsy rheumatoid arthritis sarcoidosis ulcerative colitis juvenile idiopathic arthritis nephrotic syndrome membranous glomerulonephritis psoriatic arthritis Hashimoto thyroiditis asthma pancreatitis follicular lymphoma chronic beryllium disease multiple sclerosis angioedema type 1 diabetes mellitus oropharynx cancer eosinophilia-myalgia syndrome systemic lupus erythematosus typhoid fever visceral leishmaniasis alopecia areata lung carcinoma allergic disease urticaria limited scleroderma proteinuria Graves disease schizophrenia narcolepsy-cataplexy syndrome drug allergy bullous pemphigoid Familial Ménière disease cerebrovascular disorder reticulum cell sarcoma hepatitis B virus infection metabolic syndrome X colorectal adenoma sinusitis multiple sclerosis, susceptibility to 1 squamous cell carcinoma acquired metabolic disease hypothyroidism nasal cavity disease diabetes mellitus temporal arteritis IgA glomerulonephritis neoplasm of oropharynx autism spectrum disorder nodular sclerosis classical Hodgkin lymphoma diffuse scleroderma vitiligo B-cell chronic lymphocytic leukemia oral cavity cancer bipolar disorder endogenous depression eosinophilic granulomatosis with polyangiitis lymphoma C1 inhibitor deficiency primary biliary cholangitis cervical cancer head and neck cancer lymphosarcoma hepatitis C virus infection colorectal cancer sarcoidosis, susceptibility to, 1 Sjogren syndrome hepatocellular carcinoma myasthenia gravis Crohn's colitis squamous cell lung carcinoma Hodgkins lymphoma narcolepsy without cataplexy cutaneous lupus erythematosus systemic sclerosis idiopathic membranous glomerulonephritis nasopharyngeal disease ileocolitis atopic eczema diffuse cutaneous systemic sclerosis non-alcoholic fatty liver disease pemphigus vulgaris esophageal adenocarcinoma celiac disease head and neck squamous cell carcinoma chronic obstructive pulmonary disease rosacea CREST syndrome skin basal cell carcinoma myositis allergic rhinitis demyelinating disease Takayasu arteritis idiopathic pulmonary fibrosis arthritic joint disease neoplasm of mature B-cells inflammatory bowel disease autism neuromyelitis optica leprosy autoimmune disease non-Hodgkin lymphoma osteoporosis drug-induced liver injury Lyme disease peripheral arterial disease
A, D, G	Pharos: P01903	toxic shock syndrome lung carcinoma multiple sclerosis juvenile dermatomyositis systemic sclerosis ulcerative colitis Parkinson disease Sjogren syndrome Crohn disease Graham Little Piccardi Lassueur syndrome pancreatic ductal adenocarcinoma Hashimoto thyroiditis pilocytic astrocytoma psoriatic arthritis Hodgkins lymphoma toxic shock syndrome lung carcinoma multiple sclerosis juvenile dermatomyositis systemic sclerosis ulcerative colitis Parkinson disease Sjogren syndrome Crohn disease Graham Little Piccardi Lassueur syndrome pancreatic ductal adenocarcinoma Hashimoto thyroiditis pilocytic astrocytoma psoriatic arthritis Hodgkins lymphoma skin basal cell carcinoma invasive ductal breast carcinoma systemic lupus erythematosus adrenal cortex carcinoma limb-girdle muscular dystrophy astrocytic tumor Becker muscular dystrophy malignant glioma celiac disease dermatomyositis neoplasm of mature B-cells Down syndrome non-alcoholic fatty liver disease esophageal adenocarcinoma osteoporosis Graham Little-Piccardi-Lassueur syndrome pancreatic intraductal papillary-mucinous carcinoma head and neck cancer primary biliary cholangitis IgA glomerulonephritis squamous cell lung carcinoma lung adenocarcinoma atopic eczema lymphoplasmacytic lymphoma breast cancer marginal zone lymphoma chronic obstructive pulmonary disease diabetes mellitus nephrotic syndrome Duchenne muscular dystrophy non-small cell lung carcinoma glioblastoma ovarian cancer Graves disease heart disease prostate carcinoma interstitial cystitis subependymal giant cell astrocytoma juvenile idiopathic arthritis temporal arteritis alopecia areata lung cancer vitiligo autism spectrum disorder malignant ependymoma breast carcinoma membranous glomerulonephritis myasthenia gravis diffuse scleroderma nodular sclerosis classical Hodgkin lymphoma osteoarthritis