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May 25, 2013
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Definition of Proline

Proline: An amino acid, one of the 20 building blocks of protein. A dietary nonessential amino acid, proline is a major constituent of collagen. Symbol: Pro.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=22832
Last Editorial Review: 6/14/2012

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