ID 3.4.22.2 DE papain. AN Papaya peptidase I. CA Hydrolysis of proteins with broad specificity for peptide bonds, CA but preference for an amino acid bearing a large hydrophobic side chain CA at the P2 position. Does not accept Val in P1'. CC -!- From latex of the papaya (Carica papaya). CC -!- Inhibited by compound E-64 and proteins of the cystatin family. CC -!- Belongs to peptidase family C1. CC -!- Formerly EC 3.4.4.10. DR P00784, PAPA1_CARPA; //