Re: [ccp4bb] Refmac refinement

- Protein crystallography

Main steps:

- Protein purification
- Crystallisation

Special:

- Programs for crystallography
- X-ray detectors

Basic tutorials:

   - Chemistry
   - Protein
   - Peptide
   - Amino Acids

Xtal community:

- CCP4BB

CCP4bb navigation

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

Previous message:
Subject: Re: Refmac refinement
From: Pavel Afonine PAfonine {- at -} LBL {- dot -} GOV
Date: 2010-01-04

Next message:
Subject: PhD position at Structural Biology Brussels, Belgium
From: Wim Versees wversees {- at -} VUB {- dot -} AC {- dot -} BE
Date: 2010-01-05

Subject: Re: Refmac refinement
From: Garib Murshudov garib {- at -} YSBL {- dot -} YORK {- dot -} AC {- dot -} UK
Date: 2010-01-04

What are the versions of refmac you are using.
Differences (as Pavel mentioned) could be scaling and different
scaling parameters.
If you would send your log file to me I can try to find out and try to
sort out this problem.

regards
Garib

On 4 Jan 2010, at 17:35, Feng Guo wrote:

> Hi,
>
> I have a question about the refinement by Refmac program in CCP4
> package. I
> tried both the old version(1.4.4) and the latest version (2.0.5) for
> restrained
> refinement, and they gave me different result. For old version, it's
> 0.192/0.250--> 0.191/0.247, while for the latest version, R/
> Rfree=0.202/0.254-
> ->0.194/0.255. For both version, I use the weighting term of 0.05.
> I am
> wondering which version will be better? or I did something wrong?
> Thank you.
>
>
> Feng

CCP4bb navigation

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

Previous message:
Subject: Re: Refmac refinement
From: Pavel Afonine PAfonine {- at -} LBL {- dot -} GOV
Date: 2010-01-04

Next message:
Subject: PhD position at Structural Biology Brussels, Belgium
From: Wim Versees wversees {- at -} VUB {- dot -} AC {- dot -} BE
Date: 2010-01-05