Medical Definition of Serine

Serine: An amino acid, one of the 20 building blocks of protein. A dietary nonessential amino acid, serine is present in many proteins participates in the synthesis of purines and pyrimidines, and is in the active sites of many enzymes. Symbol: Ser.

SLIDESHOW

Diet-Wrecking Foods: Smoothies, Lattes, Popcorn, and More in Pictures See Slideshow

Health Solutions From Our Sponsors

Reviewed on 9/7/2018