PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15743820-3 2005 Instead, Csk becomes associated with an approximately 72-kDa tyrosine-phosphorylated protein, which we identify here as G3BP, a phosphoprotein reported to bind the SH3 domain of Ras GTPase-activating protein. Tyrosine 61-69 C-terminal Src kinase Homo sapiens 9-12