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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.

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=22833
Last Editorial Review: 6/14/2012

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