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Regulation of the histone H3K36 methyltransferase Set2 by the histone chaperone Spt6
Nucleic Acids Research 54 (16): gkag839 (2026)
Histone H3 lysine 36 methylation is a conserved histone modification that is critical for maintaining eukaryotic transcriptional fidelity and genomic stability. In Saccharomyces cerevisiae, this modification is catalyzed by Set2, an ortholog of the mammalian H3K36 methyltransferase SETD2. Previous genetic, biochemical, and structural studies showed that Set2 activity is repressed by a Set2 autoinhibitory domain (AID) and that activation requires the direct binding of the histone chaperone Spt6. To study the role of Spt6 and Set2 autoinhibition in vivo, we have isolated and analyzed multiple classes of Spt6 and Set2 mutants. Our results suggest an autoinhibited form of Set2 in which the catalytic domain (CD) is bound by the AID. In strong agreement with our genetic results, biophysical experiments demonstrate that the CD and AID physically interact, and that the autoinhibition mutants disrupt this interaction. Finally, RNA sequencing and chromatin immunoprecipitation and sequencing…
Highly efficient base editing at PCSK9 and normal human embryo development
Nature 2026: Early View
A Chiroptical Switch Owing to Mercury-Crosslinked Ribonucleosides
Analytical Chemistry 2026: Early View
The prolactin-releasing peptide system: Physiological functions and therapeutic potential in obesity
Neurobiology of Disease 228: 107554 (2026)