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Crystallographic structure analysis of lamprey hemoglobin from anomalous dispersion of synchrotron radiation

Crystallographic structure analysis of lamprey hemoglobin from anomalous dispersion of... The molecular structure of lamprey hemoglobin was previously determined and refined by conventional crystallographic analysis. In this study, the structural analysis has been repeated in the course of developing the method of multiwavelength anomalous diffraction (MAD) for phase determination. New experimental and analytical procedures that were devised to perform this determination should have general applicability. These include an experimental design to optimize signal strength and reduce systematic errors, experimental evaluation of anomalous scattering factors, and a least‐squares procedure for analyzing the MAD data. MAD phases for the structure at 3Å resolution are as accurate overall as the multiple isomorphous replacement (MIR) phases determined previously. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Proteins: Structure Function and Bioinformatics Wiley

Crystallographic structure analysis of lamprey hemoglobin from anomalous dispersion of synchrotron radiation

 
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References (36)

Publisher
Wiley
Copyright
Copyright © 1988 Wiley Subscription Services
ISSN
0887-3585
eISSN
1097-0134
DOI
10.1002/prot.340040202
pmid
3227016
Publisher site
See Article on Publisher Site

Abstract

The molecular structure of lamprey hemoglobin was previously determined and refined by conventional crystallographic analysis. In this study, the structural analysis has been repeated in the course of developing the method of multiwavelength anomalous diffraction (MAD) for phase determination. New experimental and analytical procedures that were devised to perform this determination should have general applicability. These include an experimental design to optimize signal strength and reduce systematic errors, experimental evaluation of anomalous scattering factors, and a least‐squares procedure for analyzing the MAD data. MAD phases for the structure at 3Å resolution are as accurate overall as the multiple isomorphous replacement (MIR) phases determined previously.

Journal

Proteins: Structure Function and BioinformaticsWiley

Published: Jan 1, 1988

Keywords: ; ; ;

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