Annotations: 8YRJ

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
D [auth B]	PF04103	CD20-like family (CD20)	CD20-like family	-	Family
B [auth G], C [auth H]	PF11628	T-cell surface glycoprotein CD3 zeta chain (TCR_zetazeta)	T-cell surface glycoprotein CD3 zeta chain	-	Family
B [auth G], C [auth H]	PF02189	Immunoreceptor tyrosine-based activation motif (ITAM)	Immunoreceptor tyrosine-based activation motif	-	Motif
A	PF13895	Immunoglobulin domain (Ig_2)	Immunoglobulin domain	This domain contains immunoglobulin-like domains.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
D [auth B]	High affinity immunoglobulin epsilon receptor subunit beta	IgE binding protein-containing complex binding binding immunoglobulin binding	cellular response to stimulus regulation of biological process regulation of cellular process cell surface receptor signaling pathway response to stimulus signaling biological regulation cellular process signal transduction cell communication immune response immune system process	cell periphery cellular anatomical structure plasma membrane membrane protein-containing complex plasma membrane protein complex membrane protein complex Fc receptor complex Fc-epsilon receptor I complex cell surface external side of plasma membrane side of membrane membrane microdomain membrane raft
B [auth G], C [auth H]	High affinity immunoglobulin epsilon receptor subunit gamma	cation binding ion binding binding metal ion binding small molecule binding identical protein binding protein binding protein-containing complex binding immunoglobulin binding IgG binding IgE binding protein homodimerization activity protein dimerization activity molecular transducer activity cation binding ion binding binding metal ion binding small molecule binding identical protein binding protein binding protein-containing complex binding immunoglobulin binding IgG binding IgE binding protein homodimerization activity protein dimerization activity molecular transducer activity immunoglobulin receptor activity transmembrane signaling receptor activity signaling receptor activity immune receptor activity IgE receptor activity	adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity response to stimulus immune response immune system process B cell mediated immunity leukocyte mediated immunity immunoglobulin mediated immune response adaptive immune response immune effector process membrane organization import into cell transport establishment of localization adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity response to stimulus immune response immune system process B cell mediated immunity leukocyte mediated immunity immunoglobulin mediated immune response adaptive immune response immune effector process membrane organization import into cell transport establishment of localization vesicle-mediated transport cellular component organization localization phagocytosis, engulfment membrane invagination cellular process phagocytosis cellular component organization or biogenesis endocytosis plasma membrane invagination receptor internalization receptor-mediated endocytosis establishment of organelle localization multicellular organismal process regulation of immune effector process regulation of localization regulated exocytosis regulation of myeloid leukocyte mediated immunity regulation of cellular process cell activation involved in immune response leukocyte degranulation myeloid leukocyte activation myeloid leukocyte mediated immunity positive regulation of leukocyte degranulation positive regulation of regulated secretory pathway establishment of localization in cell regulation of immune system process positive regulation of mast cell degranulation positive regulation of immune system process regulation of biological process vacuolar localization mast cell degranulation regulation of secretion regulation of leukocyte mediated immunity exocytosis lysosome localization cellular localization positive regulation of biological process positive regulation of secretion by cell positive regulation of exocytosis regulation of mast cell degranulation leukocyte activation regulation of regulated secretory pathway secretion by cell regulation of secretion by cell positive regulation of secretion organelle localization leukocyte activation involved in immune response mast cell activation positive regulation of immune effector process regulation of leukocyte degranulation positive regulation of cellular process mast cell mediated immunity secretion regulation of transport cell activation biological regulation export from cell regulation of vesicle-mediated transport myeloid cell activation involved in immune response mast cell activation involved in immune response positive regulation of transport regulation of exocytosis cell chemotaxis cellular response to stimulus chemotaxis neutrophil chemotaxis response to external stimulus neutrophil migration granulocyte migration leukocyte migration cellular response to chemical stimulus taxis granulocyte chemotaxis response to chemical myeloid leukocyte migration cell migration cell motility leukocyte chemotaxis locomotion biological process involved in interspecies interaction between organisms response to other organism defense response defense response to symbiont response to biotic stimulus defense response to other organism response to stress innate immune response response to external biotic stimulus protein localization to cell periphery protein localization to plasma membrane macromolecule localization intracellular protein localization localization within membrane protein localization to membrane positive regulation of cellular component organization regulation of cellular component organization positive regulation of endocytosis regulation of endocytosis regulation of phagocytosis positive regulation of phagocytosis regulation of response to stimulus regulation of immune response defense response to bacterium response to bacterium positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process positive regulation of myeloid leukocyte cytokine production involved in immune response cytokine production regulation of cytokine production mast cell cytokine production positive regulation of macromolecule metabolic process regulation of multicellular organismal process myeloid leukocyte cytokine production cytokine production involved in immune response production of molecular mediator of immune response regulation of biosynthetic process regulation of cytokine production involved in immune response regulation of mast cell cytokine production regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of gene expression biosynthetic process positive regulation of gene expression positive regulation of cytokine production involved in immune response 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 positive regulation of mast cell cytokine production regulation of metabolic process cellular response to low-density lipoprotein particle stimulus response to endogenous stimulus response to lipoprotein particle response to nitrogen compound cellular response to lipoprotein particle stimulus interleukin-10 production regulation of interleukin-10 production positive regulation of interleukin-10 production regulation of body fluid levels wound healing hemostasis regulation of cell activation blood coagulation regulation of platelet activation coagulation regulation of biological quality response to wounding platelet activation regulation of protein localization positive regulation of protein localization to cell surface protein localization to cell surface positive regulation of protein localization regulation of protein localization to cell surface antigen processing and presentation antigen processing and presentation of peptide antigen via MHC class I antigen processing and presentation of exogenous peptide antigen via MHC class I antigen processing and presentation of exogenous peptide antigen antigen processing and presentation of peptide antigen antigen processing and presentation of exogenous antigen positive regulation of response to stimulus positive regulation of immune response 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 Fc receptor mediated stimulatory signaling pathway activation of immune response homeostatic process leukocyte apoptotic process negative regulation of mast cell apoptotic process negative regulation of biological process regulation of programmed cell death negative regulation of leukocyte apoptotic process mast cell homeostasis negative regulation of cellular process myeloid cell homeostasis regulation of leukocyte apoptotic process myeloid cell apoptotic process negative regulation of programmed cell death regulation of apoptotic process cell death mast cell apoptotic process negative regulation of apoptotic process multicellular organismal-level homeostasis leukocyte homeostasis negative regulation of immune system process regulation of mast cell apoptotic process negative regulation of myeloid cell apoptotic process homeostasis of number of cells apoptotic process programmed cell death regulation of myeloid cell apoptotic process positive regulation of acute inflammatory response to antigenic stimulus regulation of acute inflammatory response to antigenic stimulus positive regulation of leukocyte mediated immunity inflammatory response to antigenic stimulus positive regulation of hypersensitivity positive regulation of inflammatory response positive regulation of adaptive immune response positive regulation of immunoglobulin mediated immune response hypersensitivity regulation of adaptive immune response regulation of inflammatory response regulation of B cell mediated immunity positive regulation of defense response regulation of acute inflammatory response inflammatory response positive regulation of type I hypersensitivity regulation of type I hypersensitivity regulation of defense response regulation of response to external stimulus 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 acute inflammatory response positive regulation of B cell mediated immunity type I hypersensitivity positive regulation of response to external stimulus regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains regulation of response to stress regulation of immunoglobulin mediated immune response acute inflammatory response regulation of hypersensitivity regulation of inflammatory response to antigenic stimulus acute inflammatory response to antigenic stimulus positive regulation of inflammatory response to antigenic stimulus regulation of lymphocyte mediated immunity regulation of type III hypersensitivity positive regulation of myeloid leukocyte mediated immunity type III hypersensitivity positive regulation of type III hypersensitivity Fc receptor signaling pathway Fc-gamma receptor signaling pathway interleukin-6 production positive regulation of interleukin-6 production regulation of interleukin-6 production integrin-mediated signaling pathway 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 monoamine transport nitrogen compound transport serotonin secretion involved in inflammatory response organic hydroxy compound transport serotonin secretion by platelet signal release serotonin secretion serotonin production involved in inflammatory response production of molecular mediator involved in inflammatory response platelet degranulation cell-cell signaling serotonin transport exocytic process regulation of type IIa hypersensitivity regulation of type II hypersensitivity type II hypersensitivity type IIa hypersensitivity positive regulation of type IIa hypersensitivity positive regulation of type II hypersensitivity cellular developmental process cell development mononuclear cell differentiation lymphocyte activation lymphocyte differentiation T cell activation involved in immune response T cell activation cell differentiation anatomical structure development T cell differentiation lymphocyte activation involved in immune response developmental process hemopoiesis T cell differentiation involved in immune response leukocyte differentiation myeloid leukocyte differentiation myeloid cell differentiation osteoclast differentiation regulation of tumor necrosis factor production positive regulation of tumor necrosis factor superfamily cytokine production tumor necrosis factor superfamily cytokine production positive regulation of tumor necrosis factor production tumor necrosis factor production regulation of tumor necrosis factor superfamily cytokine production regulation of interleukin-4 production positive regulation of interleukin-4 production interleukin-4 production response to cytokine cytokine-mediated signaling pathway response to peptide cellular response to cytokine stimulus interleukin-3-mediated signaling pathway neutrophil activation neutrophil activation involved in immune response granulocyte activation	cell periphery protein-containing complex cellular anatomical structure plasma membrane protein complex membrane plasma membrane membrane protein complex Fc-gamma receptor III complex Fc receptor complex Fc-epsilon receptor I complex cell surface external side of plasma membrane side of membrane membrane microdomain cell periphery protein-containing complex cellular anatomical structure plasma membrane protein complex membrane plasma membrane membrane protein complex Fc-gamma receptor III complex Fc receptor complex Fc-epsilon receptor I complex cell surface external side of plasma membrane side of membrane membrane microdomain membrane raft
A	High affinity immunoglobulin epsilon receptor subunit alpha	molecular transducer activity immunoglobulin receptor activity transmembrane signaling receptor activity signaling receptor activity immune receptor activity IgE receptor activity IgE binding protein-containing complex binding binding immunoglobulin binding	icosanoid metabolic process leukotriene metabolic process oxoacid metabolic process small molecule biosynthetic process leukotriene biosynthetic process carboxylic acid metabolic process organic acid metabolic process organic acid biosynthetic process carboxylic acid biosynthetic process biosynthetic process icosanoid biosynthetic process small molecule metabolic process metabolic process cellular process icosanoid metabolic process leukotriene metabolic process oxoacid metabolic process small molecule biosynthetic process leukotriene biosynthetic process carboxylic acid metabolic process organic acid metabolic process organic acid biosynthetic process carboxylic acid biosynthetic process biosynthetic process icosanoid biosynthetic process small molecule metabolic process metabolic process cellular process cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction response to stimulus signaling positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus regulation of intracellular signal transduction intracellular signaling cassette regulation of calcium-mediated signaling positive regulation of calcium-mediated signaling signal transduction positive regulation of cellular process regulation of biological process regulation of signaling biological regulation positive regulation of intracellular signal transduction regulation of response to stimulus calcium-mediated signaling regulation of cell communication positive regulation of signaling adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains positive regulation of acute inflammatory response to antigenic stimulus lymphocyte mediated immunity regulation of immune effector process regulation of acute inflammatory response to antigenic stimulus positive regulation of leukocyte mediated immunity inflammatory response to antigenic stimulus positive regulation of hypersensitivity positive regulation of inflammatory response positive regulation of immune response leukocyte mediated immunity regulation of immune system process positive regulation of adaptive immune response positive regulation of immune system process positive regulation of immunoglobulin mediated immune response hypersensitivity immune response regulation of adaptive immune response response to external stimulus regulation of inflammatory response regulation of B cell mediated immunity immune effector process regulation of leukocyte mediated immunity B cell mediated immunity positive regulation of defense response regulation of acute inflammatory response regulation of immune response inflammatory response positive regulation of type I hypersensitivity regulation of type I hypersensitivity regulation of defense response regulation of response to external stimulus 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 acute inflammatory response positive regulation of B cell mediated immunity type I hypersensitivity positive regulation of response to external stimulus regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains response to stress regulation of response to stress regulation of immunoglobulin mediated immune response positive regulation of immune effector process acute inflammatory response regulation of hypersensitivity defense response regulation of inflammatory response to antigenic stimulus acute inflammatory response to antigenic stimulus positive regulation of inflammatory response to antigenic stimulus adaptive immune response immunoglobulin mediated immune response regulation of lymphocyte mediated immunity immune system process cell surface receptor signaling pathway establishment of organelle localization multicellular organismal process regulated exocytosis cellular localization transport cell activation involved in immune response leukocyte degranulation myeloid leukocyte activation myeloid leukocyte mediated immunity vesicle-mediated transport leukocyte activation localization secretion by cell organelle localization leukocyte activation involved in immune response establishment of localization in cell mast cell activation mast cell mediated immunity secretion cell activation vacuolar localization export from cell mast cell degranulation establishment of localization myeloid cell activation involved in immune response mast cell activation involved in immune response exocytosis lysosome localization monoamine transport nitrogen compound transport cell-cell signaling serotonin transport organic hydroxy compound transport signal release serotonin secretion positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process positive regulation of myeloid leukocyte cytokine production involved in immune response cytokine production regulation of cytokine production mast cell cytokine production positive regulation of macromolecule metabolic process regulation of multicellular organismal process myeloid leukocyte cytokine production cytokine production involved in immune response production of molecular mediator of immune response regulation of biosynthetic process regulation of cytokine production involved in immune response regulation of mast cell cytokine production regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of gene expression positive regulation of gene expression positive regulation of cytokine production involved in immune response positive regulation of production of molecular mediator of immune response positive regulation of multicellular organismal process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of production of molecular mediator of immune response positive regulation of cytokine production positive regulation of mast cell cytokine production regulation of metabolic process granulocyte macrophage colony-stimulating factor production positive regulation of protein metabolic process positive regulation of granulocyte macrophage colony-stimulating factor production regulation of primary metabolic process protein metabolic process regulation of granulocyte macrophage colony-stimulating factor production regulation of protein metabolic process primary metabolic process positive regulation of interleukin-3 production interleukin-3 production regulation of interleukin-3 production regulation of localization regulation of myeloid leukocyte mediated immunity positive regulation of leukocyte degranulation positive regulation of regulated secretory pathway positive regulation of mast cell degranulation regulation of secretion positive regulation of secretion by cell positive regulation of exocytosis regulation of mast cell degranulation regulation of regulated secretory pathway regulation of secretion by cell positive regulation of secretion regulation of leukocyte degranulation regulation of transport regulation of vesicle-mediated transport positive regulation of transport regulation of exocytosis	cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane membrane microdomain membrane raft

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
D [auth B]	IPR030417	Membrane-spanning 4-domains subfamily A	Family
D [auth B]	IPR007237	CD20-like family	Family
B [auth G], C [auth H]	IPR042340	High affinity immunoglobulin epsilon receptor subunit gamma	Family
B [auth G], C [auth H]	IPR003110	Phosphorylated immunoreceptor signalling ITAM	Repeat
B [auth G], C [auth H]	IPR021663	T-cell surface glycoprotein CD3 zeta subunit/High affinity IgE receptor gamma subunit	Family
A	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A	IPR050488	Immunoglobulin Fc region receptor	Family
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR003599	Immunoglobulin domain subtype	Domain
A	IPR007110	Immunoglobulin-like domain	Domain

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B [auth G], C [auth H], D [auth B]	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B [auth G], C [auth H], D [auth B]	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B [auth G], C [auth H], D [auth B]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Immune Receptors	High affinity immunoglobulin epsilon receptor FcεRI complex

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.