Cited by 308Protein Structure and DynamicsCrystallography and molecular interactionsProtein purification and stability

Hydrogen bonding stabilizes globular proteins

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Myers, J.K., Pace, C.N.·1996·Biophysical Journal

Abstract

It is clear that intramolecular hydrogen bonds are essential to the structure and stability of globular proteins. It is not clear, however, whether they make a net favorable contribution to this stability. Experimental and theoretical studies are at odds over this important question. Measurements of the change in conformational stability, delta (delta G), for the mutation of a hydrogen bonded residue to one incapable of hydrogen bonding suggest a stabilization of 1.0 kcal/mol per hydrogen bond. If the delta (delta G) values are corrected for differences in side-chain hydrophobicity and conformational entropy, then the estimated stabilization becomes 2.2 kcal/mol per hydrogen bond. These and other experimental studies discussed here are consistent and compelling: hydrogen bonding stabilizes globular proteins.

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Crossref · 10.1016/s0006-3495(96)79401-8

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  • Polyester systems can interact due to hydrophilic, hydrophobic, and electrostatic interactions such as dipole-dipole interactions, but they lack the ability to form regular repeating intramolecular hydrogen bonding motifs that facilitate protein folding.

    “Polyester systems can interact due to hydrophilic, hydrophobic, and electrostatic interactions such as dipole-dipole interactions [41], but they lack the ability to form regular repeating intramolecular hydrogen bonding motifs of the sort that facilitate protein folding [42,43].”

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Authors
Myers, J. K., & Pace, C. N.
Affiliations
Texas A&M University (US)
Venue
Biophysical Journal
Publisher
Elsevier BV
Published
1996-10
Volume
71
Issue
4
Pages
2033-2039
ISSN
0006-3495 (ISSN-L)
OpenAlex
W2025925640
Cited by
308
References
74
Citations by year
2026: 3 · 2025: 5 · 2024: 6 · 2023: 11 · 2022: 12 · 2021: 8 · 2020: 8 · 2019: 7 · 2018: 9 · 2017: 11 · 2016: 11 · 2015: 8 · 2014: 11 · 2013: 8 · 2012: 8
FWCI
4.93
Type
journal article
Language
en
Open access
Locations
  • Biophysical Journal (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of General Medical Sciences (T32GM008523, GM37039, T32 GM 08523, R01GM037039)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
  • Physical Sciences › Chemistry › Physical and Theoretical Chemistry › Crystallography and molecular interactions
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein purification and stability
Keywords
hydrogen bonding, protein stability, globular proteins, intramolecular hydrogen bonding, conformational stability, side chain hydrophobicity, conformational entropy
MeSH terms
Calorimetry, Hydrogen Bonding, Micrococcal Nuclease, Models, Theoretical, Muramidase, Protein Conformation, Protein Denaturation, Proteins, Recombinant Proteins, Thermodynamics, Mutagenesis, Site-Directed, Bacteriophage T4, Point Mutation

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