PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15208781-4 2004 We show that the risk allele, which is present in approximately 17% of white individuals from the general population and in approximately 28% of white individuals with RA, disrupts the P1 proline-rich motif that is important for interaction with Csk, potentially altering these proteins" normal function as negative regulators of T-cell activation. Proline 188-195 C-terminal Src kinase Homo sapiens 246-249