RGD Reference Report - A new chapter in the transcription SAGA. - Rat Genome Database

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A new chapter in the transcription SAGA.

Authors: Samara, NL  Wolberger, C 
Citation: Samara NL and Wolberger C, Curr Opin Struct Biol. 2011 Dec;21(6):767-74. doi: 10.1016/j.sbi.2011.09.004. Epub 2011 Oct 18.
RGD ID: 9684937
Pubmed: PMID:22014650   (View Abstract at PubMed)
PMCID: PMC3232345   (View Article at PubMed Central)
DOI: DOI:10.1016/j.sbi.2011.09.004   (Journal Full-text)

Eukaryotic transcriptional coactivators are multi-subunit complexes that both modify chromatin and recognize histone modifications. Until recently, structural information on these large complexes has been limited to isolated enzymatic domains or chromatin-binding motifs. This review summarizes recent structural studies of the SAGA coactivator complex that have greatly advanced our understanding of the interplay between its different subunits. The structure of the four-protein SAGA deubiquitinating module has provided a first glimpse of the larger organization of a coactivator complex, and illustrates how interdependent subunits interact with each other to form an active and functional enzyme complex. In addition, structures of the histone binding domains of ATXN7 and Sgf29 shed light on the interactions with chromatin that help recruit the SAGA complex.


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