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.
Nearby words
ubiquarian, ubique, ubiquinol, ubiquinone, ubiquitarian, ubiquitin, ubiquitous, ubiquity, ubr, ubuntu, ubv photometry
Origin of ubiquitin
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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 Formsubiquitination, noun
Word 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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Medicine 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
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