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.

Origin of ubiquitin

First recorded in 1985–90; ubiquit(ous) + -in1

Words nearby ubiquitin

ubiety, ubique, ubiquinol, ubiquinone, ubiquitarian, ubiquitin, ubiquitous, ubiquity, ubr, ubuntu, ubv photometry

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

Medical 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.