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Determination of beta-turn conformation by laser Raman spectroscopy

Ishizaki, H and Balaram, P and Nagaraj, R and Venkatachalapathi, YV and Tu, AT (1981) Determination of beta-turn conformation by laser Raman spectroscopy. In: Biophysical Journal, 36 (3). pp. 509-517.

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Abstract

To correlate the Raman frequencies of the amide I and III bands to beta-turn structures, three peptides shown to contain beta-turn structure by x-ray diffraction and NMR were examined. The compounds examined were tertiary (formula: see text). The amide I band of these compounds is seen at 1,668, 1,665, and 1,677 cm-1, and the amide III band appears at 1,267, 1,265, and 1,286 cm-1, respectively. Thus, it is concluded that the amide I band for type III beta-turn structure appears in the range between 1,665 and 1,677 cm-1 and the amide III band between 1,265 and 1,286 cm-1.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Biophysical Society
Department/Centre: Division of Biological Sciences > Molecular Biophysics Unit
Date Deposited: 18 May 2009 09:52
Last Modified: 19 Sep 2010 05:31
URI: http://eprints.iisc.ernet.in/id/eprint/20024

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