Abstract
Zwitterionic dipeptides have recently been shown to exist in water mainly as nine conformational forms with specific combinations of backbone ψ, ω and φ torsions, which allows conformer-specific molecular recognition of peptide ligands by proteins. Here, we show that pairs of virtual backbone torsions can also define these nine conformational forms, and that comparing these virtual torsions in dipeptides with those of backbone-modified pseudopeptides offers an improved procedure for evaluating peptidomimetics for therapeutic applications.
Keywords: dipeptide conformus, torsion angle, zwitterionic dipeptide, specific, virsual torsion, molecular recognition template
Protein & Peptide Letters
Title: Presence of Distinct Virtual Backbone Torsion angles in Dipeptide Conformers
Volume: 9 Issue: 2
Author(s): S. Gupta, B.M. Grail and J.W. Payne
Affiliation:
Keywords: dipeptide conformus, torsion angle, zwitterionic dipeptide, specific, virsual torsion, molecular recognition template
Abstract: Zwitterionic dipeptides have recently been shown to exist in water mainly as nine conformational forms with specific combinations of backbone ψ, ω and φ torsions, which allows conformer-specific molecular recognition of peptide ligands by proteins. Here, we show that pairs of virtual backbone torsions can also define these nine conformational forms, and that comparing these virtual torsions in dipeptides with those of backbone-modified pseudopeptides offers an improved procedure for evaluating peptidomimetics for therapeutic applications.
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Cite this article as:
Gupta S., Grail B.M. and Payne J.W., Presence of Distinct Virtual Backbone Torsion angles in Dipeptide Conformers, Protein & Peptide Letters 2002; 9 (2) . https://dx.doi.org/10.2174/0929866023408904
DOI https://dx.doi.org/10.2174/0929866023408904 |
Print ISSN 0929-8665 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5305 |
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