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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 Ca2+ 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.
Gene Name: | B-cell linker |
Family/Subfamily: | Signal Transduction |
Synonyms: | BLNK, AGM4, BLNK-S, B-cell activation, B-cell linker protein, B cell linker protein, Bca, Cytoplasmic adapter protein, LY57, SLP-65, SLP65, B-cell linker, BASH |
Target Sequences: | NM_013314 NP_037446.1 Q8WV28 |
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