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research article

Anisotropic Local Motions and Location of Amide Protons in Proteins

Bytchenkoff, Dimitri  
•
Pelupessy, Philippe  
•
Bodenhausen, Geoffrey  
2005
Journal of the American Chemical Society

A new method has been developed to obtain dynamic and structural information about peptide planes in proteins by a combination of measurements of weak short-range cross-correlation rates R(HNN/NC') that are due to concerted fluctuations of the HN-N and N-C' dipole-dipole interactions and stronger long-range cross-correlation rates R(C'HN/HNN) and R(NHN/HNCa). The rates were interpreted using the axially sym. Gaussian axial fluctuation model (GAF). The oscillation amplitudes as well as the positions of HN atoms with respect to peptide planes in ubiquitin were detd. Most N-HN bonds were found not to lie exactly along the bisector of the N-C' and N-Ca bonds but to be slightly tilted toward the carbon-terminal side of the peptide. [on SciFinder (R)]

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Type
research article
DOI
10.1021/ja043575v
Web of Science ID

WOS:000228229600044

Author(s)
Bytchenkoff, Dimitri  
Pelupessy, Philippe  
Bodenhausen, Geoffrey  
Date Issued

2005

Published in
Journal of the American Chemical Society
Volume

127

Issue

14

Start page

5180

End page

5185

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LRMB  
Available on Infoscience
February 22, 2006
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/225682
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