PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2985563-3 1985 Evidence for this includes a pH optimum of 5.0 for the first order constant of ubiquitin inactivation and observation that inactivation is inhibited by EDTA, o-phenanthroline, iodoacetamide, p-chloromercuribenzoic acid, phenylmethylsulfonyl fluoride, N alpha-p-tosyl-L-lysine chloromethyl ketone, leupeptin, soybean trypsin inhibitor, and aprotinin. 1,10-phenanthroline 158-174 polyubiquitin Glycine max 79-88