PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22055413-2 1988 Because of the variable molar ratio of 3-MeHis in the myofibrillar protein myosin, this indicator cannot be used without some restriction. 3-methylhistidine 39-46 myosin X Sus scrofa 75-81