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Cited by 301

The DOI matches its Crossref record; 28 of the 28 references it cites were found in a registry or an index.

Probing Protein Ligand Interactions by Automated Hydrogen/Deuterium Exchange Mass Spectrometry

Chalmers, Michael J., Busby, Scott A., Pascal, Bruce D., He, Yuanjun, Hendrickson, Christopher L., Marshall, Alan G., Griffin, Patrick R.·2006·Analytical Chemistry

Abstract

Amide hydrogen/deuterium exchange is a powerful biophysical technique for probing changes in protein dynamics induced by ligand interaction. The inherent low throughput of the technology has limited its impact on drug screening and lead optimization. Automation increases the throughput of H/D exchange to make it compatible with drug discovery efforts. Here we describe the first fully automated H/D exchange system that provides highly reproducible H/D exchange kinetics from 130 ms to 24 h. Throughput is maximized by parallel sample processing, and the system can run H/D exchange assays in triplicate without user intervention. We demonstrate the utility of this system to differentiate structural perturbations in the ligand-binding domain (LBD) of the nuclear receptor PPARgamma induced upon binding a full agonist and a partial agonist. PPARgamma is the target of glitazones, drugs used for treatment of insulin resistance associated with type II diabetes. Recently it has been shown that partial agonists of PPARgamma have insulin sensitization properties while lacking several adverse effects associated with full agonist drugs. To further examine the mechanism of partial agonist activation of PPARgamma, we extended our studies to the analysis of ligand interactions with the heterodimeric complex of PPARgamma/RXRalpha LBDs. To facilitate analysis of H/D exchange of large protein complexes, we performed the experiment with a 14.5-T Fourier transform ion cyclotron resonance mass spectrometer capable of measuring mass with accuracy in the ppb range.

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Metadata

Authors
Chalmers, M. J., Busby, S. A., Pascal, B. D., He, Y., Hendrickson, C. L., Marshall, A. G., & Griffin, P. R.
Venue
Analytical Chemistry
Published
2006-01-13
Volume
78
Issue
4
Pages
1005-1014
ISSN
  • 0003-2700 (ISSN-L)
  • 1520-6882
OpenAlex
W2023115763
Cited by
301
References
28
FWCI
6.95
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Probing Protein Ligand Interactions by Automated Hydrogen/Deuterium Exchange Mass Spectrometry. https://app.cochat.ai/papers/10.1021/ac051294f
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Chalmers, M. J., Busby, S. A., Pascal, B. D., He, Y., Hendrickson, C. L., Marshall, A. G., & Griffin, P. R. (2006). Probing Protein Ligand Interactions by Automated Hydrogen/Deuterium Exchange Mass Spectrometry. Analytical Chemistry. https://doi.org/10.1021/ac051294f

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