Re: [ccp4bb] anisotropic diffraction in refinement

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

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Subject: Re: anisotropic diffraction in refinement
From: Lari Lehtiö lari {- dot -} lehtio {- at -} ABO {- dot -} FI
Date: 2009-09-01

There is a ellipsoidal truncation and scaling server you might want to try.

http://www.doe-mbi.ucla.edu/~sawaya/anisoscale/

~L~

______________________________________________________
Lari Lehtiö
Pharmacy, Department of Biochemistry and Pharmacy
Åbo Akademi University,
BioCity, FIN-20520 Turku
Finland
+358 2 215 4270
______________________________________________________

Quoting Justin Hall :

> Dear All;
>
> I am working with a data set which is anisotropic. The resolution
> limits are ~ 2.75 by 3.45 A. The I have integrated (using Mosflm) the
> data out to 2.75 A, the data therefore includes a mix of real (I/sig
>>> 1) and imaginary (I/sig ~1) data past the 3.45 A resolution bin.
>
> I am concerned that the presence of the poor quality data in the outer
> shells will cause my good data to 2.75 A resolution to be down weighted
> in refinement. Since anisotropic resolution limits do not seem to be
> an option, are there other tools that would allow proper weighting for
> this situation?
>
> Cheers~
>
> ~Justin Hall
> Oregon State University

CCP4bb navigation

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

Previous message:
Subject: Fructose 2,6 Bisphosphate
From: hugh morgan morgan_hugh {- at -} YAHOO {- dot -} CO {- dot -} UK
Date: 2009-09-01

Next message:
Subject: Re: cracking crystal
From: Artem Evdokimov artem {- at -} XTALS {- dot -} ORG
Date: 2009-09-01