Question

Is insulin a quaternary structure?

Answer 1

Explanation:

Quaternary structure: Protein structures are formed when amino acids combine to form peptide bonds, The primary structure of a protein is its sequence of amino acids.

1. The dihedral angle of the peptide bond determines the secondary structure, and the protein chain folding in space determines the tertiary structure.
2. The quaternary structure is formed by the association of folded polypeptide molecules with complex functional proteins.

Hence, insulin is a quaternary structure.