Sensitive assay of cysteine proteinases using new peptide p-nitroanilides
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Biotechnology and Applied Biochemistry
|October 1, 1988
Abstract:
N-Succinyl-glycyl-leucyl-cystein(S-benzyl) p-nitroanilide and N-succinyl-leucyl-leucyl-cystein(S-benzyl) p-nitroanilide were found to be very sensitive substrates for the assay of papain, ficin, and bromelain. These p-nitroanilides were hydrolyzed only very slightly by chymotrypsin, but not detectably by trypsin.