Concepts in protein folding
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Certain concepts and misconceptions in the field of protein folding are discussed from the viewpoint of a theoretical physicist. It is argued that there can be no protein folding code and that perceived correlations between sequence or composition and three‐dimensional structure are more likely to be an artefact of a limited database than a real result. Attempts at using molecular dynamics algorithms are also likely to produce artefactual results because results depend critically on the unknown hamiltonian energy function. Correct calculations of configurational entropy are thought to be the most likely next step in understanding how and why proteins fold.
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The argument that a protein must have a specific folding pathway because conformational space is too large is fallacious, since free energy falls progressively as the protein folds, providing sufficient guidance.
“In fact, as has often been pointed out (for example43) this is a fallacious argument, since the free energy falls progressively as the protein folds, providing sufficient guidance44.”
From Critical assessment of methods of protein structure prediction (CASP)—Round <scp>XIV</scp> (2021) · cites this paper as [43]
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- Authors
- Thomas, D. J.
- Affiliations
- European Molecular Biology Laboratory (DE)
- Corresponding author
- Thomas, David J.
- Venue
- FEBS Letters
- Publisher
- Wiley
- Published
- 1992-07-27
- Volume
- 307
- Issue
- 1
- Pages
- 10-13
- ISSN
- 0014-5793 (ISSN-L)
- 1873-3468
- OpenAlex
- W2057702331
- Cited by
- 15
- References
- 40
- Citations by year
- 2026: 1 · 2025: 1 · 2023: 1 · 2021: 1 · 2017: 1 · 2012: 1
- FWCI
- 0.11
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- FEBS Letters (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA and protein synthesis mechanisms
- Physical Sciences › Materials Science › Materials Chemistry › Enzyme Structure and Function
- Keywords
- protein folding, sequence-structure correlation, sequence composition, configurational entropy, protein folding mechanism
- MeSH terms
- Protein Conformation
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