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.

429 amino acids

MGPAGSVLSSGQMQMQMVLWGSLAAVAMFFLITFLVLLCSTCDREKKPRQHSGDHENLMNVPSDKDMFSHSATSLTTDALASSEQNGVLTNGDILSEDSTLTCMQHYEEVQTSASDLLDSQDSTGKAKCHQSRELPRIPPENAVDEILTARAADTELGPGVEGPYEVLKDSSSQENMVEDCLYETVKEIKEVADKGQGGKSKSTSALKELQGAPMEGKADFAEYASVDRNKKCRHSANAESILGTCSDLDEESPPPVPVKLLDENANLPQEGGGQAEEQAAEGTGGHSKRFSSLSYKSREEDPTLTEEEISAMYSSVNKPGQSAHKPGPCMKGPESACHSMKGLPQRSSSSCNDLYATVKDFEKTPNSISTLPPARRPSEEPEPDYEAIQTLNREDEKVPLETNGHHVPKESDYESIGDLQQCRDVTRL

46.5 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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