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ubiquitin

[ yoo-bik-wi-tin ]

noun

  1. a small protein, present in all eukaryotic cells, that participates in the destruction of defective proteins and in the synthesis of new proteins.

ubiquitin

/ juːˈbɪkwɪtɪn /

noun

  1. biochem a small polypeptide, found in most eukaryotic cells, that combines with other proteins to make them susceptible to degradation
“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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Derived Forms

  • uˌbiquitiˈnation, noun
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Word History and Origins

Origin of ubiquitin1

First recorded in 1985–90; ubiquit(ous) + -in 1
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Word History and Origins

Origin of ubiquitin1

C20: from ubiquitous + -in

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Ubiquitarianubiquitous

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