Hi ,
i just tried the extra information because I had a serious overfitting of my
model. Roughly 10 % difference for 1.9 Ang. resolution and experimantal
phasing. I thought maybe the extra information and the adjustment of the
weighting parameters helps me to figure this out. A refinement
Dear All,
I need to buy a Linux workstation to run crystallographic software and graphics
like ccp4, mosflm, coot., etc.,
Could you please suggest me a good combination of hardware and which linux
operating system to install (ubuntu?)? I can spend about 1500€
Technology evolves so fast
Dear Stefano,
we recently purchased several Precision T1500 from Dell. They contain an Intel
Core i7-870 CPU, NVIDIA Quadro FX580, 4GB RAM and 250GB disk space.
They cost about 600-700EUR (prices got up for the second order, maybe because
Christmas approaches).
It was installed with Debian
Hi,
Frankly, any vendor or assembler of PC's will do. Things to make sure to
have on your PC: an NVIDIA graphics board in order to get nice graphics
(their Linux drivers are fine; I don't know their current range of
boards, here we buy middle-range boards, not the cheapest ones that are
Dear all
For a particular purpose, I have to use a file contains pseudo translation.
All my trials were got from PDB but there's still no trans vector was
detected using molrep-selfrotation.
Or some structures on PDB don't provide the structure factor file which is
for converting to MTZ file.(I
Well - here is one example, but there will be many more
Try 3pva.pdb
As for this problem: (I also can't convert mmCIF to MTZ using cif2mtz)
Can you give an example? That should be fixable..
Eleanor
On 10/12/2010 10:19 AM, Ting-Wei Jiang wrote:
Dear all
For a particular purpose, I have to
Stefano,
I second the previous posts. Essential is a solid NVIDIA graphics card -
quadro or geforce and not something low end. Vendors don't matter so much, we
use both Dell and Hp and both are fine (essentially the same hardware inside).
Also, linux version doesn't matter. We use both Suse
There are a few things that synchrotron beamlines generally do better
than home sources, but the most important are flux, collimation and
absorption.
Flux is in photons/s and simply scales down the amount of time it takes
to get a given amount of photons onto the crystal. Contrary to popular
For an older paper with several examples, see: Acta Cryst. (1993). D49,
505-512 [ doi:10.1107/S0907444993003737 ], Orientation of non-crystallographic
symmetry axes in protein crystals, X. Wang and J. Janin
My favourite example is 1cel: pdbe.org/1cel and pdbe.org/download/1cel (see:
Dear All
I'm trying to run program (any) on CCP4i and there is an error message:
This instance of CCP4i no longer has control of the current database. This is
probably because another CCP4i is running and has taken control of the database
over from this one. It is unsafe under these
Dear All,
I would like to let you know that we have added many new features to the
free ICM-Browser ( http://www.molsoft.com/icm_browser.html ) that will
be useful for the crystallography community. The new free version of
ICM-Browser and the ActiveICM plugin contains enhancements which allow
Hello everyone
first I want to thank you guys in advance. I am trying to co-crystallize a 12
KDa protein with a 2 KDa peptide. The biochemistry studies showed the binding
should be 1:1 . but the binding is not very strong ( Kd is around 20-40 uM). I
am wondering, is there any bad effect of
Thank you James for a very interesting informative discussion on the
subject.
- Gunnar
Gunnar Olovsson
gun...@byron.biochem.ubc.ca
University of British Columbia
Vancouver, Canada
On Tue, Oct 12, 2010 at 9:04 AM, James Holton jmhol...@lbl.gov wrote:
There are a few things
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