PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18322301-4 2008 PATIENTS: Fifteen individuals from five kindreds were identified as carriers of a RET protooncogene mutation in exon 11 codon 649 (TCG(Ser)-->TTG(Leu)). Serine 135-138 ret proto-oncogene Homo sapiens 82-85