PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24912678-6 2014 Thus, we propose that DSBs activate a Chk2-HuR-RhoB pathway that promotes PP2A-mediated dephosphorylation of gammaH2AX and DSB repair. gammah2ax 109-118 protein phosphatase 2 phosphatase activator Homo sapiens 74-78