FCER1G: Associates with a variety of FcR alpha chains to form a functional signaling complex. Regulates several aspects of the immune response. The gamma subunit has a critical role in allowing the IgE Fc receptor to reach the cell surface. Also involved in collagen-mediated platelet activation and in neutrophil activation mediated by integrin. Belongs to the CD3Z/FCER1G family.
Protein type: Membrane protein, integral; Receptor, misc.
Chromosomal Location of Human Ortholog: 1q23
Cellular Component: cell surface; integral to plasma membrane; Fc-epsilon receptor I complex; plasma membrane; external side of plasma membrane
Molecular Function: protein binding; IgG binding; IgE binding; IgE receptor activity
Biological Process: integrin-mediated signaling pathway; platelet activation; neutrophil chemotaxis; positive regulation of type I hypersensitivity; antigen processing and presentation of exogenous peptide antigen via MHC class II; positive regulation of interleukin-6 production; positive regulation of type III hypersensitivity; positive regulation of mast cell degranulation; positive regulation of tumor necrosis factor production; mast cell activation; positive regulation of interleukin-10 production; neutrophil activation during immune response; serotonin secretion by platelet; negative regulation of mast cell apoptosis; positive regulation of phagocytosis; positive regulation of type IIa hypersensitivity; defense response to bacterium; antigen processing and presentation of exogenous peptide antigen via MHC class I; innate immune response; Fc receptor mediated stimulatory signaling pathway; immunoglobulin mediated immune response; positive regulation of mast cell cytokine production; phagocytosis, engulfment; blood coagulation; leukocyte migration
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