ArticleMolecular cell2025
Structure of the transcriptional co-activator SAGA complex, including the histone acetyltransferase module.
Article in Molecular cell, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
3 citing papers in PubMed.
- Step-brothers in arms, SAGA and ATAC co-activator complexes, use different strategies.The EMBO journal · 2026Review
- Divergent SAGA complexes shape the Toxoplasma transcriptome for lytic cycle progression and host interaction.Nature communications · 2026Article
- Disruption of the SAGA CORE triggers collateral degradation of KAT2A.Nature communications · 2026Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors.
Funding
Abstract
The Spt-Ada-Gcn5 acetyltransferase (SAGA) complex, a 1.8 MDa multi-subunit assembly comprising 19 subunits, is required for RNA polymerase II transcription in eukaryotes. The complex consists of four modules: transcription-associated protein 1 (Tra1), core, deubiquitination (DUB), and histone acetyltransferase (HAT). Although the structures of the Tra1, core, and DUB modules have been determined, the overall architecture of the HAT module remained elusive due to its inherent flexibility. To address this, we conducted cryo-electron microscopy (cryo-EM) analyses on SAGA purified from the thermophilic fungus Chaetomium thermophilum, yielding structures of Tra1 and core modules at 2.6 Å and three of the four HAT subunits at 3.7 Å. The structure of the HAT module was informative about the aspects of histone acetylation and the interface of HAT-core modules, contradicting earlier AlphaFold predictions. Our structure-guided genetic and biochemical analyses confirmed the roles of Ada1 and Spt7 in anchoring the HAT module within the SAGA complex.
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What Socratic holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.