FUNCTION: Functions as a central linker protein, downstream of the B-cell receptor (BCR), bridging the SYK kinase to a multitude of signaling pathways and regulating biological outcomes of B-cell function and development. Plays a role in the activation of ERK/EPHB2, MAP kinase p38 and JNK. Modulates...
FUNCTION: Functions as a central linker protein, downstream of the B-cell receptor (BCR), bridging the SYK kinase to a multitude of signaling pathways and regulating biological outcomes of B-cell function and development. Plays a role in the activation of ERK/EPHB2, MAP kinase p38 and JNK. Modulates AP1 activation. Important for the activation of NF-kappa-B and NFAT. Plays an important role in BCR-mediated PLCG1 and PLCG2 activation and Ca(2+) mobilization and is required for trafficking of the BCR to late endosomes. However, does not seem to be required for pre-BCR-mediated activation of MAP kinase and phosphatidyl-inositol 3 (PI3) kinase signaling. May be required for the RAC1-JNK pathway. Plays a critical role in orchestrating the pro-B cell to pre-B cell transition. May play an important role in BCR-induced B-cell apoptosis. {ECO:0000269|PubMed:10583958, ECO:0000269|PubMed:15270728, ECO:0000269|PubMed:16912232, ECO:0000269|PubMed:9697839}.
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GO - Biological processes (BP):
B cell differentiation [GO:0030183]; B cell receptor signaling pathway [GO:0050853]; humoral immune response [GO:0006959]; inflammatory response [GO:0006954]; intracellular signal transduction [GO:0035556]; positive regulation of gene expression [GO:0010628]; transmembrane receptor protein tyrosine ...
B cell differentiation [GO:0030183]; B cell receptor signaling pathway [GO:0050853]; humoral immune response [GO:0006959]; inflammatory response [GO:0006954]; intracellular signal transduction [GO:0035556]; positive regulation of gene expression [GO:0010628]; transmembrane receptor protein tyrosine kinase signaling pathway [GO:0007169]
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GO - Molecular function (MF):
enzyme binding [GO:0019899]; phospholipase binding [GO:0043274]; protein kinase binding [GO:0019901]; protein tyrosine kinase binding [GO:1990782]; SH2 domain binding [GO:0042169]; signaling adaptor activity [GO:0035591]; transmembrane receptor protein tyrosine kinase adaptor activity [GO:0005068]...
enzyme binding [GO:0019899]; phospholipase binding [GO:0043274]; protein kinase binding [GO:0019901]; protein tyrosine kinase binding [GO:1990782]; SH2 domain binding [GO:0042169]; signaling adaptor activity [GO:0035591]; transmembrane receptor protein tyrosine kinase adaptor activity [GO:0005068]
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GO - Cellular component (CC):
cytoplasm [GO:0005737]; cytosol [GO:0005829]; intracellular membrane-bounded organelle [GO:0043231]; membrane [GO:0016020]; plasma membrane [GO:0005886]...
cytoplasm [GO:0005737]; cytosol [GO:0005829]; intracellular membrane-bounded organelle [GO:0043231]; membrane [GO:0016020]; plasma membrane [GO:0005886]
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