PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 363509-0 1978 [Effect of B polA1- exrA- and recA-gene mutations on the reparation of single-strand DNA breaks induced by N-nitrosomethylurea]. Methylnitrosourea 109-126 RAD51 recombinase Homo sapiens 30-34 22487424-9 2012 After MNU exposure, in the absence of pol kappa, the frequency of sister chromatid exchanges was unaffected whereas the induction of RAD 51 foci increased. Methylnitrosourea 6-9 RAD51 recombinase Homo sapiens 133-139