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Issue 7, 2002
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Insight into β-hairpin stability: a structural and thermodynamic study of diastereomeric β-hairpin mimetics

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Abstract

Two diastereomers of a model β-hairpin peptide mimetic were synthesized and studied with a combination of experimental (NMR, X-ray, CD, MS, IR) and computational methods (Monte Carlo/molecular mechanics calculations). The secondary structure-stabilizing effects of hydrophobic interactions and hydrogen bonding were investigated. Comparison of the extent of folded hairpin population in non-competitive, polar aprotic, and polar protic solvents illustrates the critical role of intramolecular hydrogen bonding on hairpin stability. Investigation of 1H NMR melting curves of the diastereomeric compounds in a variety of solvents allowed an evaluation of the role of hydrophobic effects on secondary structure stabilization to be made.

Graphical abstract: Insight into β-hairpin stability: a structural and thermodynamic study of diastereomeric β-hairpin mimetics

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Publication details

The article was received on 10 Dec 2001, accepted on 23 Apr 2002 and first published on 06 Jun 2002


Article type: Paper
DOI: 10.1039/B111241D
Citation: New J. Chem., 2002,26, 834-843

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    Insight into β-hairpin stability: a structural and thermodynamic study of diastereomeric β-hairpin mimetics

    M. Erdélyi, V. Langer, A. Karlén and A. Gogoll, New J. Chem., 2002, 26, 834
    DOI: 10.1039/B111241D

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