PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9677255-7 1998 RESULTS: p53+/+ mouse skin exposed to 1000 J/m2 retained " 25% of epidermal cyclobutane dimers at 48 h, whereas approximately 50% remained in p53-/- cells. Cyclobutanes 76-87 transformation related protein 53, pseudogene Mus musculus 9-12