アポ酵こう素そアポこうそMeanings1nounapoenzymeBiochemistry term for the protein part of an enzyme, without its cofactor or prosthetic group.アポ酵こう素そは補ほ因いん子しと結けつ合ごうして活かっ性せい型がたのホロ酵こう素そになる。The apoenzyme combines with a cofactor to become the active holoenzyme.