PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17158148-5 2007 When compared with wild-type HCT116 cells, RAD18-/- cells, defective in the repair of X-ray-induced chromosomal aberrations, were significantly hypersensitive to X-ray-irradiation and also to the topoisomerase I inhibitor camptothecin (CPT) capable of inducing single-strand breaks but were not so sensitive to the topoisomerase II inhibitor etoposide capable of inducing double-strand breaks. Etoposide 342-351 RAD18 E3 ubiquitin protein ligase Homo sapiens 43-48