Association of Grb-2 and PI3K p85 with phosphotyrosile peptides derived from BTLA.


B and T lymphocyte attenuator (BTLA) is a recently identified inhibitory receptor expressed by B and T cells. We previously identified two tyrosine-containing signaling motifs in the cytoplasmic domain of BTLA that interact with the SHP-1 and SHP-2 phosphatases. BTLA has a third conserved tyrosine-containing motif within the cytoplasmic domain, similar in… (More)


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