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What is paradoxical about Levinthal paradox?
Marianne Rooman1, Yves Dehouck, Jean Marc Kwasigroch
1Ingénierie Biomoléculaire, Université Libre de Bruxelles, CP 165/64, 50 Avenue Roosevelt, Belgium. mrooman@ulb.ac.be
Journal of Biomolecular Structure & Dynamics
|November 20, 2002
Summary
The Levinthal paradox concerning protein folding is a misnomer; Levinthal himself proposed a solution, effectively resolving the problem he identified regarding conformational space exploration.
Area of Science:
- Biophysics
- Computational Biology
- Molecular Biology
Background:
- The Levinthal paradox highlights the improbability of protein folding via random conformational searching.
- Proteins must reach their native state rapidly, despite a vast conformational space.
Purpose of the Study:
- To re-evaluate the concept and implications of the Levinthal paradox in protein folding.
- To discuss the resolution proposed by Levinthal himself.
Main Methods:
- Conceptual analysis of the Levinthal paradox.
- Review of historical perspectives on protein folding dynamics.
Main Results:
- The Levinthal paradox, as commonly perceived, may not accurately reflect the original problem statement.
- Levinthal's own proposed solution to the conformational search problem has largely remained unchallenged.
Conclusions:
- The "paradox" was effectively solved by Levinthal, reframing the challenge of protein folding.
- Understanding protein folding requires acknowledging Levinthal's insights into conformational dynamics.