Cited by 140Computational Drug Discovery MethodsChemical Synthesis and AnalysisProtein Degradation and Inhibitors

Small‐molecule protein–protein interaction inhibitors: Therapeutic potential in light of molecular size, chemical space, and ligand binding efficiency considerations

Buchwald, Peter·2010·IUBMB Life

Abstract

As the ultimate function of proteins depends to a great extent on their binding partners, protein–protein interactions (PPIs) represent a treasure trove of possible new therapeutic targets. Unfortunately, interfaces involved in PPIs are not well‐suited for effective small molecule binding. Nevertheless, successful examples of small‐molecule PPI inhibitors (PPIIs) are beginning to accumulate, and the sheer number of PPIs that form the human interactome implies that, despite the relative unsuitability of PPIs to serve as “druggable” targets, small‐molecule PPIIs can still provide novel pharmacological tools and new innovative drugs in at least some areas. Here, after some illustrative examples, accumulating information on the binding efficiency, molecular size, and chemical space requirements will be briefly reviewed. Therapeutic success can only be achieved if these considerations are incorporated into the search process and if careful medicinal chemistry approaches are used to address the absorption, distribution, metabolism, and excretion requirements of larger molecules that are often needed for this target class due to the lower efficiency of binding. © 2010 IUBMB IUBMB Life, 62(10): 724–731, 2010

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Crossref · 10.1002/iub.383

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  • Undruggable proteins possess flat active sites, often act through PPI networks, which are characterized by large, flat, and undefined interfaces between proteins; these networks have been considered undruggable biological processes for decades.

    “Undruggable proteins, which possess flat active sites, often act through PPI networks, which are characterized by large, flat, and undefined interfaces between proteins. These networks have been considered undruggable biological processes for decades.309–311”

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Authors
Buchwald, P.
Venue
IUBMB Life
Publisher
Wiley
Published
2010-10
Volume
62
Issue
10
Pages
724-731
ISSN
  • 1521-6543 (ISSN-L)
  • 1521-6551
OpenAlex
W2059388258
Cited by
133
References
49
Citations by year
2026: 2 · 2025: 8 · 2024: 7 · 2023: 13 · 2022: 8 · 2021: 15 · 2020: 6 · 2019: 2 · 2018: 6 · 2017: 7 · 2016: 8 · 2015: 13 · 2014: 13 · 2013: 10 · 2012: 7
FWCI
0.68
Type
journal article
Language
en
Open access
closed
Locations
  • IUBMB Life (publishedVersion)
  • PubMed (publishedVersion)
Funders
Diabetes Research Institute Foundation
Topics
  • Physical Sciences › Computer Science › Computational Theory and Mathematics › Computational Drug Discovery Methods
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chemical Synthesis and Analysis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Degradation and Inhibitors
Keywords
protein-protein interaction inhibitors, small molecule inhibitors, molecular size, chemical space, druggability, human interactome, medicinal chemistry, drug discovery
MeSH terms
Humans, Ligands, Protein Binding, Proteins, Drug Design, Signal Transduction, Protein Interaction Mapping, Small Molecule Libraries

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