Couplings between peptide linkages across a 3(10)-helical hydrogen bond revealed by two-dimensional infrared spectroscopy

Vibrational couplings between the amide modes are keenly dependent on peptide structure. Site-specific couplings can inform us of molecular conformation in detail. For example, when an amide-I mode couples to an amide-II mode that is three residues away because they are brought into proximity in the...

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Veröffentlicht in:	Journal of the American Chemical Society 2009-02, Vol.131 (6), p.2042-2043
Hauptverfasser:	Maekawa, Hiroaki, De Poli, Matteo, Toniolo, Claudio, Ge, Nien-Hui
Format:	Artikel
Sprache:	eng
Schlagworte:	Amides - chemistry Aminoisobutyric Acids - chemistry Hydrogen Bonding Models, Molecular Oligopeptides - chemistry Protein Structure, Secondary Spectrophotometry, Infrared - methods
Online-Zugang:	Volltext
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