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Fragment-Based Drug Discovery Applied to Hsp90. Discovery of Two Lead Series with High Ligand Efficiency

Open access
Murray, Christopher W., Carr, Maria G., Callaghan, Owen, Chessari, Gianni, Congreve, Miles, Cowan, Suzanna, Coyle, Joseph E., Downham, Robert, Figueroa, Eva, Frederickson, Martyn, Graham, Brent, McMenamin, Rachel, O’Brien, M. Alistair, Patel, Sahil, Phillips, Theresa R., Williams, Glyn, Woodhead, Andrew J., Woolford, Alison J.-A.·2010·Journal of Medicinal Chemistry

Abstract

Inhibitors of the chaperone Hsp90 are potentially useful as chemotherapeutic agents in cancer. This paper describes an application of fragment screening to Hsp90 using a combination of NMR and high throughput X-ray crystallography. The screening identified an aminopyrimidine with affinity in the high micromolar range and subsequent structure-based design allowed its optimization into a low nanomolar series with good ligand efficiency. A phenolic chemotype was also identified in fragment screening and was found to bind with affinity close to 1 mM. This fragment was optimized using structure based design into a resorcinol lead which has subnanomolar affinity for Hsp90, excellent cell potency, and good ligand efficiency. This fragment to lead campaign improved affinity for Hsp90 by over 1,000,000-fold with the addition of only six heavy atoms. The companion paper (DOI: 10.1021/jm100060b) describes how the resorcinol lead was optimized into a compound that is now in clinical trials for the treatment of cancer.

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Metadata

Authors
Murray, C. W., Carr, M. G., Callaghan, O., Chessari, G., Congreve, M., Cowan, S., Coyle, J. E., Downham, R., Figueroa, E., Frederickson, M., Graham, B., McMenamin, R., O’Brien, M. A., Patel, S., Phillips, T. R., Williams, G., Woodhead, A. J., & Woolford, A. J.-A.
Venue
Journal of Medicinal Chemistry
Published
2010-07-27
Volume
53
Issue
16
Pages
5942-5955
ISSN
  • 0022-2623 (ISSN-L)
  • 1520-4804
OpenAlex
W2110845358
Cited by
184
References
4
FWCI
6.38
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Fragment-Based Drug Discovery Applied to Hsp90. Discovery of Two Lead Series with High Ligand Efficiency. https://app.cochat.ai/papers/10.1021/jm100059d
The paper
Murray, C. W., Carr, M. G., Callaghan, O., Chessari, G., Congreve, M., Cowan, S., Coyle, J. E., Downham, R., Figueroa, E., Frederickson, M., Graham, B., McMenamin, R., O’Brien, M. A., Patel, S., Phillips, T. R., Williams, G., Woodhead, A. J., & Woolford, A. J.-A. (2010). Fragment-Based Drug Discovery Applied to Hsp90. Discovery of Two Lead Series with High Ligand Efficiency. Journal of Medicinal Chemistry. https://doi.org/10.1021/jm100059d

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.