BMS-243117 is an effective selective LCK inhibitor with good cell activity (IC(50)=1.1 microM) and inhibition of T cell proliferation, which has great potential for therapeutic immunosuppression and the treatment of diseases such as rheumatoid arthritis a
EPQpYEEIPIYL, a phosphopeptide, is a ligand for the Src homology 2 (SH2) domain. It activates members of the Src family, such as Lck, Hck, and Fyn, through the binding interaction with SH2 domains.