ID 3.4.23.17 DE pro-opiomelanocortin converting enzyme. AN prohormone converting enzyme. CA Cleavage at paired basic residues in certain prohormones, either between CA them, or on the carboxyl side. CC -!- A 70 kDa membrane-bound enzyme isolated from cattle pituitary CC secretory vesicle. CC -!- Formerly EC 3.4.99.38. //