the kinetics of the reactions of the catalytic-site thiol groups of actinidin ( the cysteine proteinase from actinidia chinensis ) , ficin ( ec 3.4.22.3 ) , papain ( ec 3.4.22.2 ) and papaya peptidase a ( the other monothiol cysteine proteinase component of carica papaya ) with 4,4'-dipyridyl disulphide ( 4-py-s-s-4-py ) and with 5,5'-dithiobis- ( 2-nitrobenzoate ) dianion ( nbs22- ) were studied in the ph range approx .
C0030940
peptidase
C2717970
cysteine proteinase