ubiquitin
[ yoo-bik-wi-tin ]
/ yuˈbɪk wɪ tɪn /
noun
a small protein, present in all eukaryotic cells, that participates in the destruction of defective proteins and in the synthesis of new proteins.
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Origin of ubiquitin
First recorded in 1985–90; ubiquit(ous) + -in1
Words nearby ubiquitin
ubiety, ubique, ubiquinol, ubiquinone, ubiquitarian, ubiquitin, ubiquitous, ubiquity, ubr, ubuntu, ubv photometry
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for ubiquitin
ubiquitin
/ (juːˈbɪkwɪtɪn) /
noun
biochem a small polypeptide, found in most eukaryotic cells, that combines with other proteins to make them susceptible to degradation
Derived forms of ubiquitin
ubiquitination, nounWord Origin for ubiquitin
C20: from ubiquitous + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Medical definitions for ubiquitin
ubiquitin
[ yōō-bĭk′wĭ-tĭn ]
n.
A polypeptide found in all eukaryotic cells, including plant cells, that participates in a variety of cellular functions including protein degradation.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.