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Does a 2----5 beta-turn structure exist in enkephalins? Study of a fully protected Leu-enkephalin in organic solution by 17O-NMR.

作者信息

Moret E, Gerothanassis I P, Hunston R N, Lauterwein J

机构信息

Institut de Chimie Organique, Université de Lausanne, Switzerland.

出版信息

FEBS Lett. 1990 Mar 26;262(2):173-5. doi: 10.1016/0014-5793(90)80182-i.

DOI:10.1016/0014-5793(90)80182-i
PMID:2335199
Abstract

The 17O chemical shifts of the Gly-2 and Gly-3 oxygens of a fully protected Leu-enkephalin were measured to be identical in acetone solution. This allows the conclusion that neither of these peptide oxygens is hydrogen bonded and that no specific 2----5 beta-turn structure exists to an appreciable extent.

摘要

相似文献

1
Does a 2----5 beta-turn structure exist in enkephalins? Study of a fully protected Leu-enkephalin in organic solution by 17O-NMR.
FEBS Lett. 1990 Mar 26;262(2):173-5. doi: 10.1016/0014-5793(90)80182-i.
2
17O-NMR studies of the conformational and dynamic properties of enkephalins in aqueous and organic solutions using selectively labeled analogues.
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[Analysis of enkephalin conformation using circular dichroism and fluorescence spectroscopy].
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