PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9669809-16 1998 The types of K-ras mutations in codon 12 were GTT (Val) and GAT (Asp) in each case of hyperplasia; these were identical to those of concomitant carcinomas. Aspartic Acid 65-68 KRAS proto-oncogene, GTPase Homo sapiens 13-18