Definition of Ubiquitin

1. Noun. (biochemistry) A small polypeptide present in the cells of all eukaryotes; it plays a part in modifying and degrading proteins ¹

¹ Source: wiktionary.com

Medical Definition of Ubiquitin

1. A protein (8.5 kD) found in all eukaryotic cells. Can be linked to the lysine side chains of proteins by formation of an amide bond to its C terminal glycine in an ATP requiring process. The protein/ubiquitin complex is subject to rapid proteolysis. Ubiquitin also has a role in the heat shock response. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Ubiquitin

ubiquarian
ubique
ubiquetous
ubiquinol
ubiquinol-cytochrome-c reductase
ubiquinols
ubiquinone
ubiquinone-10
ubiquinone-6
ubiquinones
ubiquitarian
ubiquitaries
ubiquitariness
ubiquitary
ubiquities
ubiquitin (current term)
ubiquitin-Nalpha-protein hydrolase
ubiquitin-calmodulin ligase
ubiquitin carrier protein kinase
ubiquitin thiolesterase
ubiquitinate
ubiquitinated
ubiquitinates
ubiquitinating
ubiquitination
ubiquitinations
ubiquitinoylation
ubiquitinylate
ubiquitinylated

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