. "\"Stops, prevents or reduces the activity of a cysteine-type endopeptidase, any enzyme that hydrolyzes peptide bonds in polypeptides by a mechanism in which the sulfhydryl group of a cysteine residue at the active center acts as a nucleophile.\" [GOC:dph, GOC:tb]" . . "cysteine-type endopeptidase inhibitor activity" . "cysteine protease inhibitor activity" . "thiol protease inhibitor" . .