ID 3.4.22.41 DE cathepsin F. CA The recombinant enzyme cleaves synthetic substrates with Phe and Leu CA (better than Val) in P2, with high specificity constant (kcat/Km) CA comparable to that of cathepsin L. CC -!- The enzyme is unstable at neutral pH values and is inhibited by CC compound E-64. CC -!- Belongs to peptidase family C1. DR Q9UBX1, CATF_HUMAN ; Q9R013, CATF_MOUSE ; //