PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 4033676-2 1985 No difference was found between these cell lines in the frequency of DNA SSBs directly produced by X-irradiation at any dose up to 750 rad. ssbs 73-77 RRAD, Ras related glycolysis inhibitor and calcium channel regulator Homo sapiens 103-106