Definition, Meaning & Synonyms

holoprotein

Noun

/ˈholoʊˌproʊtiːn/

Definition

A holoprotein is a complete protein that consists of a polypeptide chain and all its associated non-peptide prosthetic groups.

Examples

Hemoglobin is a holoprotein that carries oxygen in the blood.
Enzymes can be holoproteins if they require additional components for their catalytic activity.
Myoglobin is another example of a holoprotein found in muscle tissue.

Meaning

Holoproteins are functional and complete proteins that include additional chemical groups essential for their activity, unlike apoproteins, which are incomplete without these groups.