kapp , the second-order rate constant of enzyme inactivation by z-phe-phe-chn2 with le as substrate was 31,530 m-1 s-1 or 10 ( 3 ) higher than its effect on cathepsin b-mediated hydrolysis of me-arg-phe at the met-arg site .
C0699919
cathepsin b
C0020291
hydrolysis