ID 3.4.22.15 DE cathepsin L. CA Specificity close to that of papain. As compared to cathepsin B, CA cathepsin L exhibits higher activity toward protein substrates, but has CA little activity on Z-Arg-Arg-NHMec, and no peptidyl-dipeptidase activity. CC -!- A lysosomal enzyme that is readily inhibited by the diazomethane CC inhibitor Z-Phe-Phe-CHN2 or the epoxide inhibitor E-64. CC -!- Belongs to peptidase family C1. DR P25975, CATL1_BOVIN; Q9GL24, CATL1_CANLF; P09648, CATL1_CHICK; DR Q9GKL8, CATL1_CHLAE; Q95029, CATL1_DROME; Q09093, CATL1_FASHE; DR P25773, CATL1_FELCA; P07711, CATL1_HUMAN; P06797, CATL1_MOUSE; DR Q94714, CATL1_PARTE; Q28944, CATL1_PIG ; P07154, CATL1_RAT ; DR Q10991, CATL1_SHEEP; P80342, CATL2_FASHE; A0E358, CATL2_PARTE; DR P80532, CATL3_FASHE; Q94715, CATL3_PARTE; A0A1S4F2V5, CATL_AEDAE ; DR O17473, CATL_BRUPA ; Q26636, CATL_SARPE ; Q26534, CATL_SCHMA ; DR O45734, CPL1_CAEEL ; //