Beta-TrCP ubiquitinates p105 at several lysine residues within the C-terminal region 660-968. The level of ubiquitination is variable; in this reaction p105 is represented with 3 ubiquitinated lysine residues. Removal of all lysines within this region abolishes subsequent p105 degradation.
Goldberg, AL, Coux, O
Ciechanover, A, Cohen, S, Achbert-Weiner, H
ubiquitin-protein transferase activity of SCF-beta-TrCP1,2:p-S927,S932-NFKB1:p-S,T-MAP3K8:TNIP2 [cytosol]
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