Reference: Reyes AA, et al. (2022) Structural and functional analysis of the SET3 histone deacetylase complex. Acta Crystallogr F Struct Biol Commun 78(Pt 3):113-118

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Abstract


The SET3 complex (SET3C) is a seven-subunit histone deacetylase complex that is capable of transcriptional regulation. Methylated histone 3 marks recruit SET3C to the nucleosome, and the SET3C catalytic subunits deacetylate the histone 3 and 4 tails. There is very limited structural knowledge of the SET3C subunits, with most subunits having unknown structures or functions. Here, a catalytically active SET3 complex was endogenously purified from Saccharomyces cerevisiae and utilized for negative-stain electron microscopy (EM) to determine an apo model for the holo complex. The negative-stain EM 3D model revealed a three-lobe architecture, with each lobe extending from a central point.

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Journal Article
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Reyes AA, Fishbain S, He Y
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