PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8135541-13 1994 Reaction of purified porcine OTCase with phenylglyoxal, an arginine-specific reagent, results in complete loss of catalytic activity. Phenylglyoxal 41-54 ornithine transcarbamylase Homo sapiens 29-35