Evidence map›Paper›PMID 29525204›Full record

ArticleCell systems2018

A High-Throughput Mutational Scan of an Intrinsically Disordered Acidic Transcriptional Activation Domain.

Max V Staller, Alex S Holehouse, Devjanee Swain-Lenz, Rahul K Das, Rohit V Pappu, Barak A Cohen

Abstract read
In one paragraph

Article in Cell systems, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 105 papers.

0numbers the graph read from it
0cells of the map it votes in
105citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

The trial behind it

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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

105 citing papers in PubMed.

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45 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Max V StallerThe Edison Family Center for Genome Sciences and Systems Biology, Washington University in St. Louis School of Medicine, Saint Louis, MO 63110, USA; Department of Genetics, Washington University in St. Louis School of Medicine, Saint Louis, MO 63110, USA.
Alex S HolehouseDepartment of Biomedical Engineering, Washington University in St. Louis, Saint Louis, MO 63130, USA; Center for Biological Systems Engineering, Washington University in St. Louis, Saint Louis, MO 63130, USA.
Devjanee Swain-LenzThe Edison Family Center for Genome Sciences and Systems Biology, Washington University in St. Louis School of Medicine, Saint Louis, MO 63110, USA; Department of Genetics, Washington University in St. Louis School of Medicine, Saint Louis, MO 63110, USA.
Rahul K DasDepartment of Biomedical Engineering, Washington University in St. Louis, Saint Louis, MO 63130, USA; Center for Biological Systems Engineering, Washington University in St. Louis, Saint Louis, MO 63130, USA.
Rohit V PappuDepartment of Biomedical Engineering, Washington University in St. Louis, Saint Louis, MO 63130, USA; Center for Biological Systems Engineering, Washington University in St. Louis, Saint Louis, MO 63130, USA.
Barak A CohenThe Edison Family Center for Genome Sciences and Systems Biology, Washington University in St. Louis School of Medicine, Saint Louis, MO 63110, USA; Department of Genetics, Washington University in St. Louis School of Medicine, Saint Louis, MO 63110, USA. Electronic address: cohen@wustl.edu.

Funding

PROMOTERSR01GM092910 · NIGMS · WASHINGTON UNIVERSITY · PI Barak A Cohen · 2011 to 2026
$6.6M
ROLE OF CHAIN LENGTH AND SEQUENCE CONTEXTS ON POLYGLUTAMINE OLIGOMERIZATIONR01NS056114 · NINDS · WASHINGTON UNIVERSITY · PI PAPPU, ROHIT V · 2007 to 2020
$4.4M
MASSIVELY PARALLEL CHARACTERIZATION OF CIS-REGULATORY ELEMENTS IN THE BRAINR01HG008687 · NHGRI · WASHINGTON UNIVERSITY · PI COHEN, BARAK A · 2015 to 2017
$1.1M
NHGRI NIH HHS R01 HG008687NIGMS NIH HHS R01 GM092910NINDS NIH HHS R01 NS056114
6 · The paper itself

Abstract

Transcriptional activation domains are essential for gene regulation, but their intrinsic disorder and low primary sequence conservation have made it difficult to identify the amino acid composition features that underlie their activity. Here, we describe a rational mutagenesis scheme that deconvolves the function of four activation domain sequence features-acidity, hydrophobicity, intrinsic disorder, and short linear motifs-by quantifying the activity of thousands of variants in vivo and simulating their conformational ensembles using an all-atom Monte Carlo approach. Our results with a canonical activation domain from the Saccharomyces cerevisiae transcription factor Gcn4 reconcile existing observations into a unified model of its function: the intrinsic disorder and acidic residues keep two hydrophobic motifs from driving collapse. Instead, the most-active variants keep their aromatic residues exposed to the solvent. Our results illustrate how the function of intrinsically disordered proteins can be revealed by high-throughput rational mutagenesis.

Indexed as

Basic-Leucine Zipper Transcription FactorsCatalytic DomainGene Expression RegulationHydrogen-Ion ConcentrationModels, MolecularMonte Carlo MethodMutagenesis, Site-DirectedProtein DomainsSaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsSequence Analysis, ProteinTranscription FactorsBasic-Leucine Zipper Transcription FactorsGCN4 protein, S cerevisiaeSaccharomyces cerevisiae ProteinsTranscription Factorsall-atom simulationsdeep mutational scanninggene regulationgenomic method developmenthigh-throughput mutagenesisintrinsically disordered proteinintrinsically disordered regiontransactivation domaintranscription factor activation domaintranscription factors

Identifiers

PMID29525204
PMCPMC5920710

What OpenQuestion holds

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Registered trials

None linked

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 OpenQuestion graph.