PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 25682964-5 2015 We demonstrated that phosphorylation of SYK and LYN, key B-cell receptor signaling kinases, was independent of PD-1 expression in patients with CLL, while ZAP-70 phosphorylation in negative tyrosine residue 292 showed strong inverse correlation (r = - 0.8, p = 0.0019). Tyrosine 190-198 zeta chain of T cell receptor associated protein kinase 70 Homo sapiens 155-161