Answer: avidin

AnswerCrossword Clue
AVIDINEgg protein
AVIDINWhite of egg substance.
AVIDINProtein in egg white
avidina protein found in egg white that inactivates biotin by combining with it
avidina protein found in egg-white
avidinprotein, found in the white of egg, that combines with and prevents the action of biotin, thus injuring the animal that consumes it in excess by producing biotin deficiency