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Insights into the Molecular Architecture of a Peptide Nanotube Using FTIR and Solid-State NMR Spectroscopic Measurements on an Aligned Sample

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<mark>Journal publication date</mark>27/09/2013
<mark>Journal</mark>Angewandte Chemie International Edition
Issue number40
Volume52
Pages (from-to)10537-10540
Publication StatusPublished
Early online date16/08/13
<mark>Original language</mark>English

Abstract

Queuing up: Molecular orientation within macroscopically aligned nanotubes of the peptide AAAAAAK can be studied by solid-state NMR and IR spectroscopy. Line shape analysis of the NMR spectra indicates that the peptide NH bonds are tilted 65-70° relative to the nanotube long axis. Re-evaluation of earlier X-ray fiber diffraction data suggests that the peptide molecules are hydrogen-bonded in a helical arrangement along the nanotube axis.

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Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.