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Mutational analysis reveals a dual role of Mdm2 acidic domain in the regulation of p53 stability
P. Dolezelova, K. Cetkovska, KH. Vousden, S. Uldrijan,
Jazyk angličtina Země Nizozemsko
Typ dokumentu časopisecké články, práce podpořená grantem
NLK
Free Medical Journals
od 1968 do 2015
Wiley Free Content
od 1997 do Před 1 rokem
- MeSH
- biologické modely MeSH
- delece genu MeSH
- HEK293 buňky MeSH
- imunoprecipitace MeSH
- jaderné proteiny chemie fyziologie MeSH
- konformace proteinů MeSH
- lidé MeSH
- molekulární sekvence - údaje MeSH
- mutační analýza DNA MeSH
- nádorový supresorový protein p53 chemie metabolismus MeSH
- protoonkogenní proteiny c-mdm2 chemie genetika fyziologie MeSH
- protoonkogenní proteiny chemie fyziologie MeSH
- sekvence aminokyselin MeSH
- sekvenční homologie aminokyselin MeSH
- terciární struktura proteinů MeSH
- ubikvitin chemie MeSH
- vazba proteinů MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
The exact role of the central acidic domain of Mdm2 in p53 degradation remains unclear. We therefore performed a systematic and comprehensive analysis of the acidic domain using a series of short deletions and found that only a minor part of the domain was indispensable for Mdm2-mediated p53 ubiquitylation. Moreover, we identified a short stretch of acidic amino acids required for p53 degradation but not ubiquitylation, indicating that, in addition to p53 ubiquitylation, the acidic domain might be involved in a critical post-ubiquitylation step in p53 degradation. Rather than representing a single functional domain, different parts of the acidic region perform separate functions in p53 degradation, suggesting that it might be possible to therapeutically target them independently.
Citace poskytuje Crossref.org
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- $a The exact role of the central acidic domain of Mdm2 in p53 degradation remains unclear. We therefore performed a systematic and comprehensive analysis of the acidic domain using a series of short deletions and found that only a minor part of the domain was indispensable for Mdm2-mediated p53 ubiquitylation. Moreover, we identified a short stretch of acidic amino acids required for p53 degradation but not ubiquitylation, indicating that, in addition to p53 ubiquitylation, the acidic domain might be involved in a critical post-ubiquitylation step in p53 degradation. Rather than representing a single functional domain, different parts of the acidic region perform separate functions in p53 degradation, suggesting that it might be possible to therapeutically target them independently.
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