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Peptidomimetics derived from natural products

R A Wiley1, D H Rich

  • 1College of Pharmacy, University of Iowa, Iowa City 52242.

Medicinal Research Reviews
|May 1, 1993
PubMed
Summary

Rational drug design currently focuses on optimization, not de novo creation. Advances in structural biology aid in discovering and refining drug candidates, though true de novo design remains a future goal.

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Area of Science:

  • Medicinal Chemistry
  • Structural Biology
  • Biochemistry

Background:

  • Current drug design relies heavily on serendipitous discovery and optimization of existing leads.
  • Traditional methods of lead compound discovery include natural product screening and chemical libraries.
  • Advances in molecular biology and biophysical methods now enable large-scale protein production and structural analysis.

Purpose of the Study:

  • To review the current state and future directions of rational drug design.
  • To highlight the role of structural and mechanistic biochemistry in drug discovery.
  • To discuss the limitations and potential of de novo drug design.

Main Methods:

  • Application of modern structural and mechanistic biochemistry.
  • Utilizing X-ray crystallography and Nuclear Magnetic Resonance (NMR) spectroscopy to determine protein-ligand conformations.
  • Employing screening protocols for natural inhibitors and receptor antagonists.
  • Developing computational approaches like CAVEAT for ligand identification based on enzyme active sites.

Main Results:

  • X-ray and NMR methods provide crucial information on ligand-protein interactions.
  • Rational drug discovery and optimization are significantly advanced by structural biology.
  • Enzyme inhibitors and receptor antagonists can be successfully developed through rational design and screening.

Conclusions:

  • True de novo drug design, creating drugs solely from protein sequence, is not yet achievable.
  • Rational drug design currently encompasses rational discovery and optimization, significantly aided by structural biology.
  • Continued progress in understanding enzyme mechanisms and protein structures will drive future drug design innovations.

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