[ccp4bb] announcement: (another) GUI for XDS

2013-06-15 Thread Kay Diederichs
Hi everybody, I developed a GUI for academic users of XDS which is documented at http://strucbio.biologie.uni-konstanz.de/xdswiki/index.php/XDSgui . This XDSwiki article also has the links to binaries of xdsGUI (or XDSgui or xds-gui; this has not been decided yet ...), for Linux 32 and 64 bit

[ccp4bb] sigma value of a structure file

2013-06-15 Thread Faisal Tarique
Dear all After PDB deposition i got a reply from the annotator to verify and review the sigma value in the structure file which in my case is -0.03. My first question is, what actually is a sigma value of a structure file. 2nd) where it is mentioned i mean where and how to see this value. 3rd)

Re: [ccp4bb] Concerns about statistics

2013-06-15 Thread Ed Pozharski
On 06/14/2013 07:00 AM, John R Helliwell wrote: Alternatively, at poorer resolutions than that, you can monitor if the Cruickshank-Blow Diffraction Precision Index (DPI) improves or not as more data are steadily added to your model refinements. Dear John, unfortunately the behavior of DPIfree

Re: [ccp4bb] Concerns about statistics

2013-06-15 Thread Jrh
Dear Ed, Thankyou for this. Indeed I have not pushed into the domain of I/sigI as low as 0.4 or CC1/2 as low as 0.012. So, I do not have an answer to your query at these extremes. But I concede I am duly corrected by your example and indeed my email did not tabulate specifically how far one

[ccp4bb] crystals disappear

2013-06-15 Thread Yibin Lin
Hi forks, I got some membrane protein crystals in DDM. However, after one month, these crystals change to Irregular shape, and have not birefringent in polarized Light. Do anybody know why? Does the effect of DDM? Contain too much detergent? Thanks, Zhang Peng