ubiquitin
[ yoo-bik-wi-tin ]
noun
a small protein, present in all eukaryotic cells, that participates in the destruction of defective proteins and in the synthesis of new proteins.
Origin of ubiquitin
1First recorded in 1985–90; ubiquit(ous) + -in1
Words Nearby ubiquitin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
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
Origin of ubiquitin
1C20: from ubiquitous + -in
Derived forms of ubiquitin
- ubiquitination, noun
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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