n. refers to the protein component of an enzyme. This protein component must combine with a second component, termed a coenzyme, to make the enzyme functional.

APOENZYME: "A apoenzyme refers to one part of the enzyme, which needs a second part to become fully functional."
Cite this page: N., Pam M.S., "APOENZYME," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/apoenzyme/ (accessed October 25, 2020).