PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7636632-7 1995 Moreover, mutations are targeted at py-py sequences in over 90% of skin tumors whereas in internal cancers the distribution is proportional to the frequency of bipyrimidine sequences in the p53 gene. 2,2'-Bipyrimidine 160-172 tumor protein p53 Homo sapiens 190-193 17065198-3 2007 We detected 24 p53 mutations in 15/25 (60%) NMSCs, 1 deletion and 23 base substitutions, the majority (78%) being UV-specific C to T transitions at bipyrimidine sites. 2,2'-Bipyrimidine 148-160 tumor protein p53 Homo sapiens 15-18