Article
p300 modulates ATF4 stability and transcriptional activity independently of its acetyltransferase domain.
The Journal of biological chemistry - 16 Dec 2005
Lassot Irina, Estrabaud Emilie, Emiliani Stephane, Benkirane Monsef, Benarous Richard, Margottin-Goguet Florence
Abstract excerpt
ATF4 plays a crucial role in the cellular response to stress and multiple stress responses pathways converge to the translational up-regulation of ATF4. ATF4 is a substrate of the SCF(betaTrCP) ubiquitin ligase that binds to betaTrCP through phosphorylation on a DSGXXXS motif. We show here that ATF4 stability is also modulated by the histone acetyltransferase p300, which induces ATF4 stabilization by inhibiting...
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