<protein> Low molecular weight peptide fatty acid compound of microbial origin that inhibits chymotrypsins and papain. ... (18 Nov 1997) ... 
Low molecular weight peptide-fatty acid compound of microbial origin that inhibits chymotrypsins and papain.
Type: Term Pronunciation: kī′mō-sta′tin Definitions: 1. An oligopeptide that is known to inhibit chymotrypsin-like proteases (cathepsin A, B, and D, and papain).