Cited by 239Heat shock proteins researchProtein Structure and DynamicsUbiquitin and proteasome pathways

A molecular clamp in the crystal structure of the N-terminal domain of the yeast Hsp90 chaperone

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Prodromou, Chrisostomos, Roe, S. Mark, Piper, Peter W., Pearl, Laurence H.·1997·Nature Structural Biology

Abstract

Hsp90 is a highly specific chaperone for many signal transduction proteins, including steroid hormone receptors and a broad range of protein kinases. The crystal structure of the N-terminal domain of the yeast Hsp90 reveals a dimeric structure based on a highly twisted sixteen stranded beta-sheet, whose topology suggests a possible 30-domain-swapped structure for the intact Hsp90 dimer. The opposing faces of the beta-sheets in the dimer define a potential peptide-binding cleft, suggesting that the N-domain may serve as a molecular 'clamp' in the binding of ligand proteins to Hsp90.

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Crossref · 10.1038/nsb0697-477

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Authors
Prodromou, C., Roe, S. M., Piper, P. W., & Pearl, L. H.
Affiliations
University College London (GB)
Venue
Nature Structural Biology
Published
1997-06
Volume
4
Issue
6
Pages
477-482
ISSN
1072-8368 (ISSN-L)
OpenAlex
W1975354656
Cited by
239
References
51
Citations by year
2026: 2 · 2025: 8 · 2024: 5 · 2023: 2 · 2022: 5 · 2021: 2 · 2020: 4 · 2019: 7 · 2018: 2 · 2017: 4 · 2016: 4 · 2015: 10 · 2014: 7 · 2013: 4 · 2012: 12
FWCI
6.40
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Nature Structural Biology (publishedVersion)
  • PubMed (publishedVersion)
  • UCL Discovery (University College London) (submittedVersion)
  • Figshare (submittedVersion, cc-by)
Funders
Wellcome Trust
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Heat shock proteins research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ubiquitin and proteasome pathways
Keywords
HSP90, molecular chaperones, N-terminal domain, yeast, protein dimer, beta-sheet topology, domain swapping, ligand binding, signal transduction proteins, steroid hormone receptors, protein kinases
MeSH terms
Amino Acid Sequence, Binding Sites, Fungal Proteins, Hydrogen Bonding, Ligands, Models, Molecular, Peptides, Protein Conformation, Saccharomyces cerevisiae, Conserved Sequence, Protein Folding, Crystallography, X-Ray, HSP90 Heat-Shock Proteins, Dimerization

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