Medical Subject Headings

Last uploaded: March 22, 2026
Id http://purl.bioontology.org/ontology/MESH/D025821
http://purl.bioontology.org/ontology/MESH/D025821
Preferred Name

Polyubiquitin

Definitions
An oligomer formed from the repetitive linking of the C-terminal glycine of one UBIQUITIN molecule via an isopeptide bond to a lysine residue on a second ubiquitin molecule. It is structurally distinct from UBIQUITIN C, which is a single protein containing a tandemly arrayed ubiquitin peptide sequence.
Synonyms
Ubiquitin, poly-
Type http://www.w3.org/2002/07/owl#Class
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