Re: [ccp4bb] Making choice on screw axes on resolution with HA sites.

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CCP4bb <-- 1999 <-- November 1999 <-- 30 November 1999

Previous message:
Subject: Making choice on screw axes on resolution with HA sites.
From: Francis E Reyes Francis {- dot -} Reyes {- at -} COLORADO {- dot -} EDU
Date: 2009-08-05

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Subject: Protein Biochemistry Positions at Merck
From: "Soisson, Stephen M" stephen_soisson {- at -} MERCK {- dot -} COM
Date: 2009-08-05

Subject: Re: Making choice on screw axes on resolution with HA sites.
From: Eleanor Dodson ccp4 {- at -} YSBL {- dot -} YORK {- dot -} AC {- dot -} UK
Date: 2009-08-05

I would expect that if you found HA sites in C222 then they must obey
C222 symmetry?

Why not just repeat the search in C2221 and see if you get a better answer?

Going back a stage:
Arent you able to guess whether there is a screw axis from your absences
along 00l?

Pointless gives a good analysis of likely SGs from these sorts of
considerations.

The results are good if
a) you have actually measured the 00l line, and
b) you dont have a non-crystallographic translation with coordinates,
x,y,1/2.

Both ctruncate (part of the scale and merge task) or sfcheck will test
for this.

Eleanor

Francis E Reyes wrote:
> Hi all
>
> I did some HA searching and found some sites in C222 that seem to be
> NCS related. Any ideas on how to determine whether or not the space
> group is really C2221 from these sites?
>
> Thanks
>
> FR
>
> ---------------------------------------------
> Francis Reyes M.Sc.
> 215 UCB
> University of Colorado at Boulder
>
> gpg --keyserver pgp.mit.edu --recv-keys 67BA8D5D
>
> 8AE2 F2F4 90F7 9640 28BC 686F 78FD 6669 67BA 8D5D
>
>

CCP4bb navigation

CCP4bb <-- 1999 <-- November 1999 <-- 30 November 1999

Previous message:
Subject: Making choice on screw axes on resolution with HA sites.
From: Francis E Reyes Francis {- dot -} Reyes {- at -} COLORADO {- dot -} EDU
Date: 2009-08-05

Next message:
Subject: Protein Biochemistry Positions at Merck
From: "Soisson, Stephen M" stephen_soisson {- at -} MERCK {- dot -} COM
Date: 2009-08-05