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NTAL (Non-T cell Activation Linker), also known as LAB (Linker for activation of B cells), is a 30 kDa double-palmitoylated transmembrane adaptor protein expressed by B cells, NK cells, mast cells and macrophages. It is a negative regulator of early stages of BCR-dependent B cell signaling and serves as a negative regulator also in mast cells. However, in mast cells, NTAL also contributes to some activation processes, partially overlapping with LAT function.
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Protein Aliases: Linker for activation of B-cells; linker for activation of T cells family, member 2; linker for activation of T cells, transmembrane adaptor 2; Linker for activation of T-cells family member 2; Membrane-associated adapter molecule; Non-T-cell activation linker; Williams-Beuren syndrome chromosomal region 15 protein; Williams-Beuren syndrome chromosomal region 5 protein
Gene Aliases: HSPC046; LAB; LAT2; NTAL; WBS15; WBSCR15; WBSCR5; WSCR5
UniProt ID: (Human) Q9NZY9
Entrez Gene ID: (Human) 7462
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