Solid-State NMR and Quantum Chemical Investigations of 13Cα Shielding Tensor Magnitudes and Orientations in Peptides:  Determining φ and ψ Torsion Angles

We report the experimental determination of the 13Cα chemical shift tensors of Ala, Leu, Val, Phe, and Met in a number of polycrystalline peptides with known X-ray or de novo solid-state NMR structures. The 700 Hz dipolar coupling between 13Cα and its directly bonded 14N permits extraction of both t...

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Veröffentlicht in:	Journal of the American Chemical Society 2005-05, Vol.127 (17), p.6451-6458
Hauptverfasser:	Wi, Sungsool, Sun, Haihong, Oldfield, Eric, Hong, Mei
Format:	Artikel
Sprache:	eng
Schlagworte:	Aminoacids, peptides. Hormones. Neuropeptides Analytical, structural and metabolic biochemistry Biological and medical sciences Fundamental and applied biological sciences. Psychology Proteins
Online-Zugang:	Volltext
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