An N-terminal SIAH-interacting motif regulates the stability of the ubiquitin specific protease (USP)-19.
The Ubiquitin Specific Protease-19 (USP19) regulates cell cycle progression and is involved in the cellular response to different types of stress, including the unfolded protein response (UPR), hypoxia and muscle atrophy. Using the unique N-terminal domain as bait in a yeast-two hybrid screen we have identified the ubiquitin ligases Seven ... In Absentia Homolog (SIAH)-1 and SIAH2 as binding partners of USP19. The interaction is mediated by a SIAH-consensus binding motif and promotes USP19 ubiquitylation and proteasome-dependent degradation. These findings identify USP19 as a common substrate of the SIAH ubiquitin ligases.
Biochem. Biophys. Res. Commun.
Date: Apr. 19, 2013
PubMed ID: 23500468
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- Interactions 11
- PTM Genes 1