[3dem] How to determine a symmetry of a ring particle?
michael
michael at ImageScience.de
Mon Jan 14 01:22:37 PST 2013
Dear Alexander,
Dube et al. 1993 are using multivariate statistical analysis (MSA) to
estimate the symmetry properties by looking at the eigenimages.
A description of the method can be found here:
www.singleparticles.org/methodology . You can download the PDF file
"Multivariate Statistical Analysis in Single Particle (Cryo) Electron
Microscopy". The related chapter is "12. MSA symmetry analysis".
The original paper is: Dube P, Tavares P, Lurz R and van Heel M EMBO J.
(1993) 1303-1309.
I also want to refer to Pawel's hint: the method is a symmetry
estimation and not a determination.
Regards
Michael
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