follow Dictionary.com

Yours, Etc.: Origins and Uses of 8 Sign-Offs

ubiquitin

[yoo-bik-wi-tin] /yuˈbɪk wɪ tɪn/
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.
Origin
1985-1990
1985-90; ubiquit(ous) + -in1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples from the web for ubiquitin
  • Proteins are tagged for degradation by a small protein called ubiquitin.
  • The tagging reaction is catalyzed by enzymes called ubiquitin ligases.
British Dictionary definitions for ubiquitin

ubiquitin

/juːˈbɪkwɪtɪn/
noun
1.
(biochem) a small polypeptide, found in most eukaryotic cells, that combines with other proteins to make them susceptible to degradation
Derived Forms
ubiquitination, noun
Word Origin
C20: from ubiquitous + -in
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
Cite This Source
ubiquitin in Medicine

ubiquitin u·biq·ui·tin (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.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Difficulty index for ubiquitin

Few English speakers likely know this word

Word Value for ubiquitin

0
0
Scrabble Words With Friends

Nearby words for ubiquitin