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DNA binding and mitotic phosphorylation protect polyglutamine proteins from assembly formation

GSE287132 Homo sapiens (human) ChIP-seq / ATAC-seq (genome binding and open chromatin) 18 samples Submitted 2025/04/15 Platform GPL34284
At a glance

ChIP-seq / ATAC-seq (genome binding and open chromatin) · human · 18 samples

What it is
ChIP-seq / ATAC-seq (genome binding and open chromatin)Where proteins bind the genome, or which regions are open and active.
Organism
Homo sapiens (human)
Samples
18 samples: 8 conditions, mostly in duplicateGroups are read from the sample names, not from the paper. Check the list below.
Data you can get
A processed table (series matrix) and supplementary files from NCBI; the raw sequencing reads from ENA. Which of these hold counts depends on the study, so check the file list.
Paper
DNA binding and mitotic phosphorylation protect polyglutamine proteins from assembly formationCell · 2025
Summary (written by the submitters)
Polyglutamine expansion is associated with pathogenic protein aggregation in neurodegenerative disorders. However, long polyglutamine tracts are also found in many transcription factors (TFs), such as FOXP2, a TF implicated in human speech. Here, we explore how FOXP2 and other glutamine-rich TFs avoid unscheduled assembly. Throughout interphase, DNA binding, irrespective of sequence specificity, has a solubilizing effect.
Read the full summary ↓
During mitosis, multiple phosphorylation events promote FOXP2’s eviction from chromatin and supplant the solubilizing function of DNA. Further, human-specific amino-acid substitutions linked to the evolution of speech map to a mitotic phospho-patch, the ‘EVO patch’, and reduce the propensity of the human FOXP2 to assemble. Fusing the pathogenic form of Huntingtin to either a DNA binding domain, a phospho-mimetic variant of this ‘EVO patch’ or a negatively charged peptide is sufficient to diminish assembly formation, suggesting that hijacking mechanisms governing solubility of glutamine-rich TFs may offer new strategies for treatment of polyQ expansion diseases.
Published in
DNA binding and mitotic phosphorylation protect polyglutamine proteins from assembly formation
Saad S, Swigut T, Tabatabaee S et al. · Cell 2025 · PMID 40239647 · doi:10.1016/j.cell.2025.03.031
This dataset
Download · which file do I need?

Direct links to NCBI and ENA, no account and no request form. Pick by what you want to do: take the small processed table to look, the supplementary files to re-analyse, or the original raw data to start over.

1 · Just have a look

Processed table

The series matrix: one table of values per sample as the submitters processed it. The smallest download, and it opens in Excel or R. Start here to see what the data look like.

2 · Re-analyse it

Supplementary files

The count tables and other files the authors uploaded. Take only the samples you need, or the whole study as GSE287132_RAW.tar (it can run to tens of gigabytes).

3 · Start from the raw reads

Raw sequencing reads

The original FASTQ files, straight from the sequencer, held at ENA. Large, and you align them yourself, so only choose this if you need to re-process the study from scratch.

What the files usually look like: Look for peak files (.bed, .narrowPeak) and signal tracks (.bigWig) among the supplementary files; the raw reads are on ENA.

Also filed as BioProject PRJNA1211158 and SRA study SRP557658. Searching any of these in the dataset finder brings you back here.

Study design
8 conditions, mostly in duplicate
FoxP2-EGFP Input ×2 FoxP2-EGFP EGFP ChIP ×2 FoxP2-R553H-EGFP Input ×2 FoxP2-R553H-EGFP EGFP ChIP ×2 FoxP2-R553H-MAFK-EGFP Input ×2 FoxP2-R553H-MAFK-EGFP EGFP ChIP ×2 FoxP2-R553H-Sox2-EGFP Input ×2 FoxP2-R553H-Sox2-EGFP EGFP ChIP ×2 +2 more

Supports a between-group comparison across 16 samples.

How we read this: 8 replicated groups read from 18 sample titles; they account for 16 of them. These groups are guessed from the sample names, not taken from the paper, so check them against the sample list below before relying on them.

Samples in this study
Datasets on a similar topic

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