I am for it also. It is a god idea!!

Garib

On 9 Nov 2007, at 13:56, Ian Tickle wrote:

I like it!

-- Ian
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Eleanor Dodson
Sent: 09 November 2007 13:51
To: Phil Evans
Cc: [email protected]
Subject: Re: [ccp4bb] pointless (1.2.0) and enantiomorphic SG's

As I often say!!! The mtz format should carry point group and
alternate
SGs - then be upgraded when youknow the correct SG..

Eleanor

Phil Evans wrote:
It just picks the first in the list, to store in the output
MTZ file,
which can only handle one (92 < 96)
Phil


On 8 Nov 2007, at 22:26, Bryan W. Lepore wrote:

when pointless (1.2.0) finds enantiomorphic SG's, what is the
criterion for 'Selecting' one over the other?

e.g. i ran pointless on some tetragonal data, and the
enantiomorphs
SG92/SG96 are selected as strong candidates

   Spacegroup         TotProb SysAbsProb     Reindex
  Conditions
   <P 41 21 2> ( 92)    0.956  0.956                         00l:
l=4n, h00: h=2n (zones 1,2)
   <P 43 21 2> ( 96)    0.956  0.956                         00l:
l=4n, h00: h=2n (zones 1,2)

... then pointless reports :

Selecting space group P 41 21 2 as solutions are enantiomorphic
Best Solution     space group P 41 21 2

... is that b/c pointless can only report one, and SG92
came up first?

-bryan






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