Answer:
A function that does not correspond to proteins is energy.
Explanation:
Proteins are macromolecules, considered essential nutrients, which participate in the mechanisms of construction, development and repair of the body, among other functions.
The energetic function is not a fundamental function of proteins, although they can be considered an alternative source of energetic substrate. The main source of energy of the organism is constituted by the carbohydrates.
The other options certainly describe functions of proteins: