PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 26572832-10 2016 CONCLUSIONS: In codon 634, arginine substitutions for cysteine may cause slightly higher penetrance rates of MEN 2A which, overall, are too small to treat carriers differently. Arginine 27-35 ret proto-oncogene Homo sapiens 109-115