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Re: [ccp4bb] resolution vs ramachandran
 

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CCP4bb <-- 2007 <-- August 2007 <-- 03 August 2007
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Subject: Re: resolution vs ramachandran
From: price {- at -} UCHICAGO {- dot -} EDU price {- at -} UCHICAGO {- dot -} EDU
Date: 2007-08-03 		Next message:
Subject: Re: Volume calculation of a crevice
From: Anthony Addlagatta anthony {- at -} UOXRAY {- dot -} UOREGON {- dot -} EDU
Date: 2007-08-03


Subject: Re: resolution vs ramachandran
From: Robert Immormino immormino {- at -} GMAIL {- dot -} COM
Date: 2007-08-03
Hi Xiaofei,

You might want to try the backrub tool in KiNG
(http://kinemage.biochem.duke.edu/software/king.php) .

This allows one to make subtle correlated changed along the mainchain,
and watch the effect on the fit to the Ramachandran plot.

Richardson Lab
Duke University


On 8/3/07, Xiaofei Jia wrote:
> Dear all,
>
> I am now preparing my structure for deposition. The
> crystal diffracts to 3.0 A. R: 0.20; R free: 0.25.
> What I am concerned with is the Ramachandran plot;
> 83.5% in core region, 15.8% in allowed, 0.5 % in
> general allowed,0.2% in disallowed region. The model
> fits in density pretty well and all the attempts to
> improve Ramachandran have not been successful after
> quite a few trials. I am wondering if 83.5 % in core
> region is acceptablewith 3.0 A resolution data?
> Moreover, is there some numeric correlation between
> diffraction resolution and model Ramachandran?Thank
> you for your help.
>
> Xiaofei
>
>
>
>
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