3.4.18.1 acid carboxypeptidase, cathepsin B2, cathepsin IV, cathepsin P, cathepsin X, cathepsin Z, CATX, CTPZ, CTSX, CTSZ, cysteine-type carboxypeptidase, lysosomal carboxypeptidase B, PoCtX - -, 651078, 679023, 683059, 683146, 683222, 683378, 683448, 683533, 683638, 684099, 691910, 693808, 696995, 708633, 710431, 731770, 732052 3.4.18.1 mopre cathepsin X belongs to the CA clan of cysteine peptidases 708633