ubiquitin

listen to the pronunciation of ubiquitin
English - Turkish
(Tıp) ubikuitin
English - English
A small polypeptide present in the cells of all eukaryotes; it plays a part in modifying and degrading proteins
A protein found in all eukaryotic cells that becomes covalently attached to certain residues of other proteins The attachment of a chain of ubiquitins tags a protein for intracellular proteolytic destruction
A protein that is covalently attached to lysines of other proteins, tagging them for proteolysis within proteasomes Multiple ubiquitin units may be ligated to the protein, forming a multiubiquitin chain
A small molecule that latches onto damaged or mutated proteins in the cell Ubiquitin acts as a flag indicating that these proteins can be destroyed by proteosomes

Related Terms

small ubiquitin-related modifier
A SUMO protein
small ubiquitin-related modifiers
plural form of small ubiquitin-related modifier