Evidence map›Paper›PMID 32994435›Full record

ArticleScientific reports2020

Solution structure of the Hop TPR2A domain and investigation of target druggability by NMR, biochemical and in silico approaches.

John F Darby, Lewis R Vidler, Peter J Simpson, Bissan Al-Lazikani, Stephen J Matthews, Swee Y Sharp, Laurence H Pearl, Swen Hoelder, Paul Workman

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
0.6field-weighted citation impact, top 34% of its field
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

6 citing papers in PubMed, 14 citations in OpenAlex.

  1. Article
  2. Review
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  5. Review
  6. Review
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

9 authors at 3 institutions in 1 country.

John F DarbyDivision of Cancer Therapeutics, Cancer Research UK Cancer Therapeutics Unit, The Institute of Cancer Research, London, SM2 5NG, UK.ORCID http://orcid.org/0000-0003-2754-6348
Lewis R VidlerDivision of Cancer Therapeutics, Cancer Research UK Cancer Therapeutics Unit, The Institute of Cancer Research, London, SM2 5NG, UK.ORCID http://orcid.org/0000-0002-8742-293X
Peter J SimpsonDepartment of Life Sciences, Imperial College London, London, SW7 2AZ, UK.ORCID http://orcid.org/0000-0002-2679-9303
Bissan Al-LazikaniDivision of Cancer Therapeutics, Cancer Research UK Cancer Therapeutics Unit, The Institute of Cancer Research, London, SM2 5NG, UK.ORCID http://orcid.org/0000-0003-3367-2519
Stephen J MatthewsDepartment of Life Sciences, Imperial College London, London, SW7 2AZ, UK.ORCID http://orcid.org/0000-0003-0676-0927
Swee Y SharpDivision of Cancer Therapeutics, Cancer Research UK Cancer Therapeutics Unit, The Institute of Cancer Research, London, SM2 5NG, UK.
Laurence H PearlGenome Damage and Stability Centre, School of Life Sciences, University of Sussex, Falmer, Brighton, UK.ORCID http://orcid.org/0000-0002-6910-1809
Swen HoelderDivision of Cancer Therapeutics, Cancer Research UK Cancer Therapeutics Unit, The Institute of Cancer Research, London, SM2 5NG, UK.ORCID http://orcid.org/0000-0001-8636-1488
Paul WorkmanDivision of Cancer Therapeutics, Cancer Research UK Cancer Therapeutics Unit, The Institute of Cancer Research, London, SM2 5NG, UK. paul.workman@icr.ac.uk.ORCID http://orcid.org/0000-0003-1659-3034
Institute of Cancer Research · GBBruker (United Kingdom) · GBImperial College London · GB

Funding

Cancer Research UK 22897Cancer Research UK 23187Cancer Research UK C2739/A22897Cancer Research UK C309/A11369Cancer Research UK C309/A11566Medical Research Council MR/P028225/1Wellcome TrustWellcome Trust 087370/Z/08/Z
6 · The paper itself

Abstract

Heat shock protein 90 (Hsp90) is a molecular chaperone that plays an important role in tumour biology by promoting the stabilisation and activity of oncogenic 'client' proteins. Inhibition of Hsp90 by small-molecule drugs, acting via its ATP hydrolysis site, has shown promise as a molecularly targeted cancer therapy. Owing to the importance of Hop and other tetratricopeptide repeat (TPR)-containing cochaperones in regulating Hsp90 activity, the Hsp90-TPR domain interface is an alternative site for inhibitors, which could result in effects distinct from ATP site binders. The TPR binding site of Hsp90 cochaperones includes a shallow, positively charged groove that poses a significant challenge for druggability. Herein, we report the apo, solution-state structure of Hop TPR2A which enables this target for NMR-based screening approaches. We have designed prototype TPR ligands that mimic key native 'carboxylate clamp' interactions between Hsp90 and its TPR cochaperones and show that they block binding between Hop TPR2A and the Hsp90 C-terminal MEEVD peptide. We confirm direct TPR-binding of these ligands by mapping

Indexed as

Catalytic DomainComputer SimulationHeat-Shock ProteinsHumansLigandsModels, MolecularNuclear Magnetic Resonance, BiomolecularProtein BindingProtein ConformationProtein DomainsSmall Molecule LibrariesHeat-Shock ProteinsLigandsSmall Molecule LibrariesSTIP1 protein, human

Identifiers

PMID32994435
PMCPMC7524759
OpenAlexW3090160046

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

Registered trials

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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.