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Dear Vinson,

I would still be interested about what was the cause of the missing R-free flags
and how you resolved it (I hope I did not miss an email).

Kind regards, Tim

On Fri, Oct 22, 2010 at 02:33:03PM +0800, Vinson LIANG wrote:
> 
> 
> Dear all, 
> 
> 
> 
> 
> Thank you very much for your suggestions.
> 
> I try Pavel's easy method. Hopefully, the result from phenix.model_vs_data would be enough for PDB.
> 
>  
> Best wishes, 
>  
> Vinson
>  
> 
>  
> 
> 
> 
> 
> 
> 发件人: Pavel Afonine <[log in to unmask]>
> 收件人: PHENIX user mailing list <[log in to unmask]>
> 抄 送: Vinson LIANG <[log in to unmask]>
> 发送日期: 2010/10/22 (周五) 12:44:58 上午
> 主 题: Re: [phenixbb] R-free problem with phenix.refine
> 
> Hi,
> 
> 
> 
> 
> Recently I deposited a structure to PDB. However, I was told
> >> The R value of SF check are different from your reported value.
> >> 
> >>     R work in SF check = 0.2859
> >>     your reported R work = 0.1474
> >> Also there are no R free flags in your sending files, but you reported R 
> >> free value in your all deposition.
> well, SF check is not the best tool to check things - it's not just my only vision, see lots of conversations on this topic on bb.
> 
> Just run
> 
> phenix.model_vs_data model.pdb data.hkl 
> 
> and if output statistics matches the one you deposited to PDB, then you are 100% good. If it doesn't match then there is something to worry about.
> 
> 
> 
> So, I rerun my deposited file with phenix.refine, and it gave a R-work=0.1475, R-free=0.1742. 
> 
> Sounds good.
> 
> 
> 
> However, when I tried to run the same file with refmac5, error came with "Free R label has not been set". I guess phenix.refine gives Rree-R label that other program could not recognize. 
> 
> No surprises. Jumping between programs is tricky. You have to account for a lot of things to match things that different programs expect differently.
> 
> 
> 
> Could anyone please help me to solve this problem?
> Step-by-step:
> 
> 1) Run
> phenix.model_vs_data model.pdb data.hkl 
> 
> 2) if output statistics matches the one you deposited to PDB, then you are 100% good. Come back to PDB and say this.  
> 
> 3) If it doesn't match then there is something that you need to fix. If you can't fix or have no idea what's wrong, you can send me the data and model and I will have a look.
> 
> Pavel.
> 
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>        
> 
> 
>       
-- 
--
Tim Gruene
Institut fuer anorganische Chemie
Tammannstr. 4
D-37077 Goettingen

phone: +49 (0)551 39 22149

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