Is Apoenzyme the Same as Proenzyme?

Apoenzyme: The polypeptide or protein part of the enzyme is called the apoenzyme and may be inactive in its original synthesized structure. The inactive form of the apoenzyme is known as a proenzyme or zymogen.

What is the difference between apoenzyme and proenzyme?

As nouns the difference between proenzyme and apoenzyme

is that proenzyme is (biochemistry) any inactive precursor of an enzyme that is converted to an enzyme by proteolysis; a zymogen while apoenzyme is (enzyme) an inactive haloenzyme lacking a cofactor.

What is difference between apoenzyme and holoenzyme?

Apoenzyme and holoenzyme are two states of enzymes. The main difference between apoenzyme and holoenzyme is that apoenzyme is the catalytically-inactive, protein component of the enzyme whereas holoenzyme is the catalytically-active form of the enzyme, consisting of the apoenzyme and the cofactor.