Answer;
Ovalbumin
Explanation;
-Functional proteins are a complex mixture of biologically active proteins that help support and maintain normal immune function. Functional proteins don't have a structural function. Examples include: antibodies, enzymes, motor proteins, and receptor molecules.
Ovalbumin is a protein of unknown function found in large quantities in avian egg-white. Ovalbumin is the main constituent of egg white protein and does not contain structural protein.
