Re: [ccp4bb] space groups not supported by Refmac5

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

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Subject: Apperance of ice ring in cryo after addition of protein crystal ( otherwise absent in only cryo)
From: arpita goswami bt {- dot -} arpita {- at -} GMAIL {- dot -} COM
Date: 2009-09-01

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Subject: Re: cracking crystal
From: Roger Rowlett rrowlett {- at -} COLGATE {- dot -} EDU
Date: 2009-09-01

Subject: Re: space groups not supported by Refmac5
From: Eleanor Dodson ccp4 {- at -} YSBL {- dot -} YORK {- dot -} AC {- dot -} UK
Date: 2009-09-01

It is Arp waters which doesnt support these space groups I believe..
REFMAC5 seems to accept everything..

And Arp-waters is pretty out of date - cot probably does a better job
in positioned fully occupied waters.
Eleanor

David J. Schuller wrote:
> For the latter, P21221, you could reindex to get P21212, which is
> supported.
>
> -
> =======================================================================
> You can't possibly be a scientist if you mind people
> thinking that you're a fool. - Wonko the Sane
> =======================================================================
> David J. Schuller
> modern man in a post-modern world
> MacCHESS, Cornell University
> schuller@cornell.edu
>
>
> On Mon, 2009-08-17 at 17:37 +0100, Arefeh Seyedarabi wrote:
>
>> Hi,
>>
>> I have a question; recently I have encountered a few space groups which are
>> not supported by Refmac5. Examples include I2 and P21221. Both these space
>> groups have been identified as the best solutions for the two different
>> datasets I am working on using Pointless. However, I am faced with
>> difficulties in Refmac5, and the program fails to complete when I select
>> refinement cycles with Arp-waters...with the message saying 'space group not
>> supported'.
>>
>> Any suggestions on how this problem could be overcome?
>>
>> Regards,
>>
>> Arefeh
>>
>> Arefeh Seyedarabi, PhD
>> Postdoctoral research assistant
>> School of Biological and Chemical sciences
>> Queen Mary, University of London
>> Mile End road
>> London
>> E1 4NS
>> Based at Joseph Priestley Building G.35
>>
>> 020 78828480
>>
>
>
>

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

Next message:
Subject: Re: cracking crystal
From: Roger Rowlett rrowlett {- at -} COLGATE {- dot -} EDU
Date: 2009-09-01