PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19650768-4 2009 Nitration of the beta-subunit, achieved by using TNM (tetranitromethane), resulted in 66% ATPase activity loss. Tetranitromethane 54-71 dynein axonemal heavy chain 8 Homo sapiens 90-96