Csk-homologous kinase (Chk) is an efficient inhibitor of Src-family kinases but a poor catalyst of phosphorylation of their C-terminal regulatory tyrosine oleh Gahana Advani, Ya Chee Lim, Bruno Catimel, Daisy Sio Seng Lio, Nadia L. Y. Ng, Anderly C. Chüeh, Mai Tran, Mohd Ishtiaq Anasir, Heather Verkade, Hong-Jian Zhu, Benjamin E. Turk, Thomas E. Smithgall, Ching-Seng Ang, Michael Griffin, Heung-Chin Cheng