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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

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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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