PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9681851-3 1998 Cysteine mutations detected in MEN-2A and FMTC induced disulphide-linked homodimers of Ret on the cell surface, leading to activation of its intrinsic tyrosine kinase. disulphide 55-65 ret proto-oncogene Homo sapiens 31-37 9681851-3 1998 Cysteine mutations detected in MEN-2A and FMTC induced disulphide-linked homodimers of Ret on the cell surface, leading to activation of its intrinsic tyrosine kinase. disulphide 55-65 ret proto-oncogene Homo sapiens 87-90