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Definition of Alanine

Alanine: An amino acid, one of the 20 building blocks of protein. It is not essential to the diet, as it can be made by the body from other substances. Alanine was discovered in protein in 1875. Symbol: Ala.

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=15589
Last Editorial Review: 9/20/2012

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