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Far-infrared spectroscopy analysis of linear and cyclic peptides, and lysozyme

Ding, Tao; Middelberg, Anton PJ; Huber, Thomas; Falconer, Robert J.

Description

The far-infrared spectra of lysozyme, alanine-rich peptides and small cyclic helical peptides were studied. Both lysozyme and the alanine-rich peptides had a dome in the spectral background centred on 180-220 cm-1 consistent with either structural collective modes or an ensemble of hydrogen bond vibrational modes associated with the peptide backbone. Molecular dynamics simulation of the alanine-rich peptide's infrared spectrum produced bands with similar positions to the experimental data and...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
URI: http://hdl.handle.net/1885/61393
Source: Vibrational Spectroscopy
DOI: 10.1016/j.vibspec.2012.02.020

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