Triazolo-β-aza-ε-amino acid and its aromatic analogue as novel scaffolds for β-turn peptidomimetics

Triazolo-β-aza-ε-amino acid and its aromatic analogue ((Al)TAA/(Ar)TAA) in the peptide backbone mark a novel class of conformationally constrained molecular scaffolds to induce β-turn conformations. This was demonstrated for (Al)TAA in a Leu-enkephalin analogue and in a designed pentapeptide wherein...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2015-03, Vol.51 (25), p.5242-5245
Hauptverfasser: Bag, Subhendu Sekhar, Jana, Subhashis, Yashmeen, Afsana, De, Suranjan
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creator Bag, Subhendu Sekhar
Jana, Subhashis
Yashmeen, Afsana
De, Suranjan
description Triazolo-β-aza-ε-amino acid and its aromatic analogue ((Al)TAA/(Ar)TAA) in the peptide backbone mark a novel class of conformationally constrained molecular scaffolds to induce β-turn conformations. This was demonstrated for (Al)TAA in a Leu-enkephalin analogue and in a designed pentapeptide wherein the FRET process was established. Restricted rotation induced chirality and turn conformation into the achiral aromatic amino acid scaffold, (Ar)TAA, which in a short tripeptide backbone acted as a β-turn mimic as a β-sheet folding nucleator.
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source MEDLINE; Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection
subjects Amino acids
Amino Acids - chemistry
Analogue
Backbone
Chirality
Constraints
Folding
Fretting
Hydrocarbons, Aromatic - chemistry
Molecular Dynamics Simulation
Molecular Structure
Peptidomimetics
Scaffolds
Triazoles - chemistry
title Triazolo-β-aza-ε-amino acid and its aromatic analogue as novel scaffolds for β-turn peptidomimetics
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