[ dī-kē′tō-pī-pĕrə-zēn′ ]


A cyclic dipeptide formed by the dehydration of two molecules of glycine.
Any of various cyclic organic compounds formed by the dehydration of alpha-amino acids other than glycine.

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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.