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Re: [ccp4bb]: p43212 vs p41212

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On Fri, 14 Feb 2003, sameeta bilgrami wrote:

> hai!!!
>   i have a quetion similar to one asked here...
> the question was...if we have p65/p61 wether we have
> to do the solution in MIR two four times i.e. p65
> flipped unflipped and p61 flipped unflipped...the
> answers were that we dont have to the flipped sites
> will be from the other space group....we have to find
> out all sites (even  those with the help of diffrence
> fourier ) in one space group and simply flip it we
> have to consider the other space group....
>  well i have space group p41212or p43212 and i think
> the same rules apply here ..or am i wrong...
>             Sameeta Bilgrami 

You are correct.  No need to flip the sites, just try the two 
enantiomorphic space groups.

"Reductionism is one of those words that makes me want
    to reach for my revolver." - Richard Dawkins 
                        David J. Schuller
                        modern man in a post-modern world
                        MacCHESS, Cornell University