the reindexing have no effect on the R-factor, I did indeed mean to remember to 
transform the co-ordiantes according to the indexing :-)
On 04/10/2010, at 11.27, Ian Tickle wrote:

> 
> On Sun, Oct 3, 2010 at 6:34 PM, J. Preben Morth <pr...@bioxray.au.dk> wrote:
> hi
> remember to reindex your data to P21212 in case you used Phaser to search all 
> alternative orthorhombic SG's and it found P22121
> Preben 
> 
> 
> Hi, re-indexing the data without also remembering to transform the 
> co-ordinates (using the matrix transpose of the inverse of the re-indexing 
> operator) would almost certainly cause the R factors to increase!  But even 
> assuming you did that, why should re-indexing/transformation have any effect 
> at all on the R factors?
> 
> Cheers
> 
> -- Ian

Jens Preben Morth, Ph.D
Aarhus University
Department of Molecular Biology
Gustav Wieds Vej 10 C
DK - 8000 Aarhus C
Tel. +45 8942 5257, Fax. +45 8612 3178
j...@mb.au.dk
website: http://person.au.dk/en/j...@mb.au.dk




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