two methods have been developed to discriminate simultaneously between the main part of cysteine proteinase activity ( cathepsin l ) and all aspartic proteinase activity ( mainly cathepsin d ) in rat organs , using z-phe-phe-chn2 which at 5 mumol/l completely inhibits cathepsin l from rat liver and , on the other hand , pepstatin which at 0.5 mumol/l completely inhibits cathepsin d .
C2717970
cysteine proteinase activity
C0054871
cathepsin l