FUNCTION: Negatively regulates TCR (T-cell antigen receptor)-mediated signaling in T-cells and FCER1 (high affinity immunoglobulin epsilon receptor)-mediated signaling in mast cells. Promotes CSK activation and recruitment to lipid rafts, which results in LCK inhibition. Inhibits immunological synap...
FUNCTION: Negatively regulates TCR (T-cell antigen receptor)-mediated signaling in T-cells and FCER1 (high affinity immunoglobulin epsilon receptor)-mediated signaling in mast cells. Promotes CSK activation and recruitment to lipid rafts, which results in LCK inhibition. Inhibits immunological synapse formation by preventing dynamic arrangement of lipid raft proteins. May be involved in cell adhesion signaling. {ECO:0000269|PubMed:10790433}.
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GO - Biological processes (BP):
adaptive immune response [GO:0002250]; intracellular signal transduction [GO:0035556]; negative regulation of T cell activation [GO:0050868]; regulation of T cell activation [GO:0050863]; signal transduction [GO:0007165]...
adaptive immune response [GO:0002250]; intracellular signal transduction [GO:0035556]; negative regulation of T cell activation [GO:0050868]; regulation of T cell activation [GO:0050863]; signal transduction [GO:0007165]
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GO - Molecular function (MF):
SH2 domain binding [GO:0042169]; signaling adaptor activity [GO:0035591]...
SH2 domain binding [GO:0042169]; signaling adaptor activity [GO:0035591]
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GO - Cellular component (CC):
integral component of membrane [GO:0016021]; membrane raft [GO:0045121]; plasma membrane [GO:0005886]...
integral component of membrane [GO:0016021]; membrane raft [GO:0045121]; plasma membrane [GO:0005886]
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