Article
The AF-1 and AF-2 domains of RAR gamma 2 and RXR alpha cooperate for triggering the transactivation and the degradation of RAR gamma 2/RXR alpha heterodimers.
The Journal of biological chemistry - 5 Sept 2003
Gianní Maurizio, Tarrade Anne, Nigro Elisa Agnese, Garattini Enrico, Rochette-Egly Cécile
Abstract excerpt
In eukaryotic cells, liganded RAR gamma 2/RXR alpha heterodimers activate the transcription of retinoic acid (RA) target genes and then are degraded through the ubiquitin-proteasome pathway. In this study, we dissected the role of the RAR gamma 2 and RXR alpha partners as well as of their respective AF-1 and AF-2 domains in the processes of transactivation and degradation. RAR gamma 2 is the "engine" initiating...
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