Re: [ccp4bb] Alternate space groups for MR in Beast

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From: artis {- at -} CHEMISTRY {- dot -} MONTANA {- dot -} EDU artis {- at -} CHEMISTRY {- dot -} MONTANA {- dot -} EDU
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Subject: Re: Alternate space groups for MR in Beast
From: Roger Rowlett RRowlett {- at -} MAIL {- dot -} COLGATE {- dot -} EDU
Date: 2007-05-07

Subject: Re: Alternate space groups for MR in Beast
From: "Das, Debanu" debanu {- at -} SLAC {- dot -} STANFORD {- dot -} EDU
Date: 2007-05-07

Hi Ed,
I believe BEAST has been replaced by PHASER (which would allow you the option of testing both space groups with only a single input reflection file). I don't think there is any keyword in Beast which would allow you to do the same.

Thanks,
Debanu.

________________________________

From: CCP4 bulletin board on behalf of Edward A. Berry
Sent: Mon 5/7/2007 11:31 AM
To: CCP4BB@JISCMAIL.AC.UK
Subject: [ccp4bb] Alternate space groups for MR in Beast

Dear All,
I'm doing molecular replacement with beast, using
the ccp4i gui.
Space group is P41 or P43 based on syst. absences.
Input mtz file is reduced in P41, but I want
to try the translation search with both. So,

Does beast automatically try both?
Is there a parameter I can enter to set p43 on second run?
Do I need to change space group of input file to test p43?

Thanks,
Ed

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Subject: Re: Alternate space groups for MR in Beast
From: Roger Rowlett RRowlett {- at -} MAIL {- dot -} COLGATE {- dot -} EDU
Date: 2007-05-07