Hi,

And just an additional (trivial) remark to that of Tim (in case you missed 
that): make sure you have a -1 in the second place on the CGLS card like in:

CGLS 10  -1

Otherwise, as far as I know, Rfree won't get printed at all.

 Cheers,

              Boaz
----- Original Message -----
From: Tim Gruene <[email protected]>
Date: Saturday, February 27, 2010 11:48
Subject: Re: [ccp4bb] Did anyone here know how to get the Rfree value of high 
resolution range
To: [email protected]

> Dear Yuan,
> 
> I suppose you refer to a shelxl refinement?
> The Rfree is listed in the lst-file, too. Go to the bottom of 
> that file and
> search backwards  for the word "Free". Make sure you pick 
> up the second value in
> that row, the one for all reflections, not just the strong one.
> 
> I do not think there is a listing "Rfree/resolution shell", for 
> as much as I
> understand that won't make much sense generally: For Rfree to be 
> meaningful you
> require at least 500 reflections and you probably do not have 
> 500 reflections
> flagged for Rfree in the outer resolution shell.
> 
> I hope that last sentence is not a misconception of mine.
> 
> Tim
> 
> On Sat, Feb 27, 2010 at 05:13:15AM +0000, Yuan SHANG wrote:
> > Hi,all,
> > I can get the R-value~resolution statistics from .lst file,but 
> where is 
> > the Rfree value?
> >
> >
> > Thanks in advance.
> >
> > Yuan
> 
> -- 
> --
> Tim Gruene
> Institut fuer anorganische Chemie
> Tammannstr. 4
> D-37077 Goettingen
> 
> GPG Key ID = A46BEE1A
> 
>

Boaz Shaanan, Ph.D.
Dept. of Life Sciences
Ben-Gurion University of the Negev
Beer-Sheva 84105
Israel
Phone: 972-8-647-2220 ; Fax: 646-1710
Skype: boaz.shaanan‎

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