ubiquitin

ubiquitin definition - medical

u·biq·ui·tin (yo͞o-bĭkˈwĭ-tĭn)

noun
A polypeptide found in all eukaryotic cells, including plant cells, that participates in a variety of cellular functions including protein degradation.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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