PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 73-2 1975 Based on incorporation of radioactively labeled N-ethylmaleimide, the readily reactive thiol groups of isolated myosin (EC 3.6.1.3) from fast, slow and cardiac muscles could be classified into 3 types. Ethylmaleimide 48-64 myosin heavy chain 14 Homo sapiens 112-118