PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12606547-1 2003 Regulation of Src kinase activity is tightly coupled to the phosphorylation status of the C-terminal regulatory tyrosine Tyr(527), which, when phosphorylated by Csk, represses Src. Tyrosine 112-124 C-terminal Src kinase Homo sapiens 161-164