👉 Cocarboxylase is a protein enzyme that plays an important role in the biosynthesis of carboxylic acids, such as acetyl-CoA and propionyl-CoA. It catalyzes the addition of carboxyl groups to the carbon atoms of fatty acids and glycerol molecules, ultimately leading to the formation of the corresponding carboxyl group on the amino acid side chain. Cocarboxylases are found in a variety of organisms, including plants,