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ubiquitin

[ yoo-bik-wi-tin ]
/ yuˈbɪk wɪ tɪn /
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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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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, 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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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