PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16829704-13 2006 RET gene analysis showed a codon 918 mutation in exon 16 resulting in an ATG (methionine) to ACG (threonine) substitution, but analysis of the patient"s parents showed the wild type. Methionine 78-88 ret proto-oncogene Homo sapiens 0-3