Cited by 94Computational Drug Discovery MethodsProtein Degradation and InhibitorsClick Chemistry and Applications

Modeling covalent-modifier drugs.

Awoonor-Williams, Ernest, Walsh, Andrew G., Rowley, Christopher N.·2017·Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics

Abstract

In this review, we present a summary of how computer modeling has been used in the development of covalent-modifier drugs. Covalent-modifier drugs bind by forming a chemical bond with their target. This covalent binding can improve the selectivity of the drug for a target with complementary reactivity and result in increased binding affinities due to the strength of the covalent bond formed. In some cases, this results in irreversible inhibition of the target, but some targeted covalent inhibitor (TCI) drugs bind covalently but reversibly. Computer modeling is widely used in drug discovery, but different computational methods must be used to model covalent modifiers because of the chemical bonds formed. Structural and bioinformatic analysis has identified sites of modification that could yield selectivity for a chosen target. Docking methods, which are used to rank binding poses of large sets of inhibitors, have been augmented to support the formation of protein-ligand bonds and are now capable of predicting the binding pose of covalent modifiers accurately. The pK a's of amino acids can be calculated in order to assess their reactivity towards electrophiles. QM/MM methods have been used to model the reaction mechanisms of covalent modification. The continued development of these tools will allow computation to aid in the development of new covalent-modifier drugs. This article is part of a Special Issue entitled: Biophysics in Canada, edited by Lewis Kay, John Baenziger, Albert Berghuis and Peter Tieleman.

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Crossref · 10.1016/j.bbapap.2017.05.009

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  • Due to increasing interest in covalent drugs, many non-covalent docking programs have developed covalent versions and some new docking programs focused on covalent ligands have been developed.

    “Due to the increasing interest in covalent drugs, many non-covalent docking programs have developed covalent versions and some new docking programs focused on covalent ligands have been developed (Kumalo et al., 2015; Awoonor-Williams et al., 2017; De Cesco et al., 2017).”

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Authors
Awoonor-Williams, E., Walsh, A. G., & Rowley, C. N.
Affiliations
Memorial University of Newfoundland (CA)
Corresponding author
Rowley, Christopher N.
Venue
Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics
Publisher
Elsevier BV
Published
2017-11
Volume
1865
Issue
11
Pages
1664-1675
ISSN
1570-9639 (ISSN-L)
OpenAlex
W2598528124
Cited by
90
References
101
Citations by year
2026: 6 · 2025: 9 · 2024: 7 · 2023: 6 · 2022: 11 · 2021: 10 · 2020: 16 · 2019: 9 · 2018: 12 · 2017: 3
FWCI
1.13
Type
journal article
Language
en
Open access
closed
Locations
  • Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • NSERC of Canada (418505-2012)
  • Memorial University
Topics
  • Physical Sciences › Computer Science › Computational Theory and Mathematics › Computational Drug Discovery Methods
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Degradation and Inhibitors
  • Physical Sciences › Chemistry › Organic Chemistry › Click Chemistry and Applications
Keywords
targeted covalent inhibitors, covalent binding, protein-ligand docking, binding pose prediction, pKa prediction, QM/MM, drug selectivity, irreversible inhibition
MeSH terms
Adenine, Models, Molecular, Penicillins, Piperidines, Pyrazoles, Pyrimidines, Drug Discovery

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