PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6979361-1 1982 Pro-Phe-Arg chloromethylketone (PPACMK) at 5.26 microM inactivated the amidolytic activity of native human Hageman factor with an apparent first-order rate constant of 0.75 min-1. prolyl-phenylalanyl-arginine chloromethyl ketone 0-30 coagulation factor XII Homo sapiens 107-121