[ccp4bb] EDS server - R-value

2014-04-04 Thread jai mohan
Dear all, Sorry for the off-topic Question. I just tried to extract files *.* from EDS server for a PDB entry. The page tells us that There is no map available for this entry (), because our automatic script failed to produce an electron density map with an R-value (0.309) within 5 percentage

Re: [ccp4bb] EDS server - R-value

2014-04-04 Thread Jon Agirre
Dear Jai, you can find lots of possible explanations in that very same website: http://eds.bmc.uu.se/eds/eds_help.html#PROB_RFAC On 4 April 2014 09:07, jai mohan jaimoha...@yahoo.co.in wrote: Dear all, Sorry for the off-topic Question. I just tried to extract files *.* from EDS server for a

Re: [ccp4bb] EDS server - R-value

2014-04-04 Thread Tim Gruene
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Dear S. M. Jaimohan, one reason such a discrepancy is often the presence of TLS, which may be present in the PDB-header but is not found in the PDB coordinates. Another reason might be that during deposition |F| and I got confused - - this is not too

[ccp4bb] How to install XDS on iMac

2014-04-04 Thread saleem raza
Hi, I was wondering if anyone can help me with the installation of xds on iMac? regardsSaleem

Re: [ccp4bb] How to install XDS on iMac

2014-04-04 Thread Tim Gruene
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Dear Saleem, the file you download from Wolfgang Kabsch's page is a gzipped tar-Archive. You can look into its content with the command tar tfz XDS-OSX10.5.8_Darwin9.8.0.tar.gz This tells you that upon extraction (see below) you will have a

Re: [ccp4bb] loggraph not popping up after refmac5 ccp4-6.4

2014-04-04 Thread hari jayaram
Hi Ingo, I tried replacing the loggraph script and also running the old ccp4 in its entirety on the same machine Both of them popup the blank graph window and then promptly crash with the message we had posted. Can anyone confirm if they are using Redhat 6.5 and blt with loggraph Thanks for your

[ccp4bb] PhD position in structure-based drug design in Germany

2014-04-04 Thread Ruth Brenk
Dear all, The structure-based design research group of Ruth Brenk at the Johannes Gutenberg Universität Mainz (Germany) in the Institute for Pharmacy and Biochemistry has got the following job opening: PhD student, paid according to EGr. 13 TV-L (50%) Responsibilities: Structure-based

[ccp4bb] PhD Position in Noroviruses

2014-04-04 Thread Balu A
A full scholarship for a PhD student to study noroviruses is available immediately in the lab of Dr. Grant Hansman at the German Cancer Research Center (DKFZ), Heidelberg, Germany. The scholarship will be awarded for a span of four years and is jointly sponsored by DKFZ and the Wiezmann

[ccp4bb] Postdoc position - Birkbeck ISMB London

2014-04-04 Thread Gabriel Waksman
Postdoctoral Research Assistant – Ref: 11234 Biophysics and Structural Biology of Complex Nanomachines INSTITUTE OF STRUCTURAL AND MOLECULAR BIOLOGY Full time, fixed term appointment for up to four years The Institute of Structural and Molecular Biology is seeking a Post-doctoral

Re: [ccp4bb] EDS server - R-value

2014-04-04 Thread Nat Echols
On Fri, Apr 4, 2014 at 1:57 AM, Tim Gruene t...@shelx.uni-ac.gwdg.de wrote: A more up-to-date reason is that programs calculate R values very differently. If you take a PDB file refined with program X and put it into program Y you easily get discrepancies greater than 5%. This is actually

Re: [ccp4bb] EDS server - R-value

2014-04-04 Thread Pavel Afonine
Here you can find a list of reasons for R-factor discrepancy and how much each of them affects the R-factor: http://phenix-online.org/papers/he5476_reprint.pdf Pavel On Fri, Apr 4, 2014 at 8:18 AM, Nat Echols nathaniel.ech...@gmail.comwrote: On Fri, Apr 4, 2014 at 1:57 AM, Tim Gruene

Re: [ccp4bb] EDS server - R-value

2014-04-04 Thread Gerard Bricogne
Dear Nat and Tim, On Fri, Apr 04, 2014 at 08:18:06AM -0700, Nat Echols wrote: On Fri, Apr 4, 2014 at 1:57 AM, Tim Gruene t...@shelx.uni-ac.gwdg.de wrote: A more up-to-date reason is that programs calculate R values very differently. If you take a PDB file refined with program X and put it

Re: [ccp4bb] EDS server - R-value

2014-04-04 Thread Robbie Joosten
Hi, Did you look at the same structure in the PDB_REDO databank (www.cmbi.ru.nl/pdb_redo)? If the problem can be solved, the structure and maps should be there. If it cannot, you might get a slightly more informative error message from the WHY_NOT server. Cheers, Robbie Sent from my Windows

Re: [ccp4bb] Tenure track junior Group Leader Positions in Milan, Italy

2014-04-04 Thread Oganesyan, Vaheh
It sounds very interesting: experimental and computational dance biology. Any type of computational dance or there are style limitations? Regards, Vaheh Oganesyan www.medimmune.com [MedI Logo Sig] From: CCP4 bulletin board [mailto:CCP4BB@JISCMAIL.AC.UK] On Behalf Of Sebastiano Pasqualato

Re: [ccp4bb] EDS server - R-value

2014-04-04 Thread Gerard Bricogne
I replied in too great a rush - it is the Rfree, or the Rfree-Rwork gap, that would go up a lot if a structure originally refined at low resolution with targeting to an external high-resolution one was re-refined without that targeting. Gerard. -- On Fri, Apr 04, 2014 at 04:55:03PM +0100, Gerard

Re: [ccp4bb] Tenure track junior Group Leader Positions in Milan, Italy

2014-04-04 Thread Sebastiano Pasqualato
Ooopsss!!! Of course it should read experimental and computational cancer biology but with this invasive automatic correctors, one typo can lead to very interesting fields of study, I guess… Ciao, S On Apr 4, 2014, at 6:10 PM, Oganesyan, Vaheh oganesy...@medimmune.com wrote: It sounds very

[ccp4bb] feedback on diffuse diffraction pattern

2014-04-04 Thread lbetts0508 .
All - This crystal gave a hexagonal space group when the single reflections are auto processed by xds. The streaks are very prevalent - can I get suggestions what they are caused by? Thanks Laurie https://drive.google.com/file/d/0Bx8-qQA_HKegUmliSkUxQ3JtYU1qci1LXzNnWlpxalJHaDBj/edit?usp=sharing

Re: [ccp4bb] EDS server - R-value

2014-04-04 Thread Zachary Wood
Hi Jai, I had the same thing happen when I pulled up one of my lab's structures. It was twinned, and at least in the past the EDS did not handle twinning. Best regards, Z *** Zachary A. Wood, Ph.D. Assistant Professor

Re: [ccp4bb] EDS server - R-value

2014-04-04 Thread Alastair Fyfe
The topic brings up a question that I've been wondering about for some time, perhaps someone can enlighten me. Why is it not standard practice to deposit map coefficients along with structure factors ? Unlike image deposition there are no significant storage or file format issues. This would

Re: [ccp4bb] EDS server - R-value

2014-04-04 Thread Nat Echols
On Fri, Apr 4, 2014 at 9:36 AM, Alastair Fyfe af...@ucsc.edu wrote: The topic brings up a question that I've been wondering about for some time, perhaps someone can enlighten me. Why is it not standard practice to deposit map coefficients along with structure factors ? Unlike image

Re: [ccp4bb] EDS server - R-value

2014-04-04 Thread Alastair Fyfe
Reconstructing the refinement may be necessary in some cases but there are other applications (pdb-wide map statistics, development of map analysis tools, quick model vs map checks) where access to the depositor's final map would be sufficient. Perhaps the coefficients are in fact included in

Re: [ccp4bb] EDS server - R-value

2014-04-04 Thread Nat Echols
On Fri, Apr 4, 2014 at 10:39 AM, Alastair Fyfe af...@ucsc.edu wrote: Reconstructing the refinement may be necessary in some cases but there are other applications (pdb-wide map statistics, development of map analysis tools, quick model vs map checks) where access to the depositor's final map

Re: [ccp4bb] EDS server - R-value

2014-04-04 Thread Ethan A Merritt
On Friday, 04 April, 2014 10:44:18 Nat Echols wrote: On Fri, Apr 4, 2014 at 10:39 AM, Alastair Fyfe af...@ucsc.edu wrote: Reconstructing the refinement may be necessary in some cases but there are other applications (pdb-wide map statistics, development of map analysis tools, quick model

Re: [ccp4bb] Tenure track junior Group Leader Positions in Milan, Italy

2014-04-04 Thread Jim Pflugrath
Thanks for the clarification. I thought at first this position might be related to Dance Your PhD. http://news.sciencemag.org/scientific-community/2013/11/dance-your-ph.d.-and-winner-… Jim From: CCP4 bulletin board [CCP4BB@JISCMAIL.AC.UK] on behalf of

[ccp4bb] Create Links in PDB

2014-04-04 Thread Remie Fawaz-Touma
Hi all, I need help creating links between units of sugar (ligands) in the PDB file before refining so that CCP4 recognizes the sugars are attached. I tried the one suggestion I got before Extension Make a Link, but I get discontinued bonds instead of full bonds. Thanks so much for all

Re: [ccp4bb] EDS server - R-value

2014-04-04 Thread Tim Gruene
Dear Alastair, I really like the feature of shelxl which writes the cif-file (required for deposition to the CCSD) including all restraints, constraints, the data, and the coordinates. The program shredcif extracts the ins-file and the hkl-file, which are checksum protected against manual