PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11351254-3 2001 In sporadic MTCs the RET gene is mutated in codon 918, where a methionine is substituted to a threonine (M918T). Threonine 94-103 ret proto-oncogene Homo sapiens 21-24