Re: [ccp4bb] LDAO & SDS-PAGE

2008-12-17 Thread Daniela Albanesi
Hi, you could try without heating. Just vortex your sample a few times after adding the sample buffer and then load the gel. good luck, Daniela > Is your phosphate a Na-K phosphate? If it is, then you're probably getting > a > K salt of SDS which is considerably less soluble than Na or Li sal

Re: [ccp4bb] iMosflm in 6.1 under OS X

2008-12-17 Thread Engin Ozkan
Now that everything with coot and imosflm has been settled, how about sftools? I am getting errors when I try to open an sftools window with ccp4i, with 6.1.0. I get the same error with a fink-installed mac version, and a linux installation. Here is the error: bad window path name ".main.ca

Re: [ccp4bb] LDAO & SDS-PAGE

2008-12-17 Thread Poul Nissen
Besides the K-SDS precipitation it can also be the problem of membrane proteins generally having a tendency to aggregate when boiled with SDS. Try to just add the Laemmli buffer and load the gel without boiling. This is the general procedure for membrane proteins. Poul On 18/12/2008, at 0

Re: [ccp4bb] LDAO & SDS-PAGE

2008-12-17 Thread Artem Evdokimov
Is your phosphate a Na-K phosphate? If it is, then you're probably getting a K salt of SDS which is considerably less soluble than Na or Li salts. Artem -Original Message- From: CCP4 bulletin board [mailto:ccp...@jiscmail.ac.uk] On Behalf Of Subscribe Ccp4Bb Kn L Sent: Wednesday, December

[ccp4bb] refmac 5.5.063 vs. 5.5.066

2008-12-17 Thread Jan Abendroth
Hi all, puzzled by an increase of R-factors when switching to the new ccp4 and along with it from refmac 5.5.0063 to 5.5.066, I took a closer look. Same refinement, same input (in fact, started from the interface with re-run job) gives distinctly different statistics. It appears to be only

[ccp4bb] LDAO & SDS-PAGE

2008-12-17 Thread Subscribe Ccp4Bb Kn L
Hello everyone... I have a protein solubilised in 1% LDAO, 50 mM Phosphate pH 7.5, 150 mM NaCl. When I mix it with laemmli buffer and heat at 95C, 3 mins for SDS-PAGE, it aggregates (as in when you mix GuHCl with SDS) and can't be loaded onto the gel. Does anyone know why it happens? Thanks a lot

[ccp4bb] CCP4 6.1.0 release and CCP4MG

2008-12-17 Thread Victor Alves
Hi After all v6.1.0 did arrive before Christmas :-) Thank you all. Still I guess Santa, after freezing in the car park, still had to endure beeing stuck in some chimney, as a consequence of all of us who wanted to grab a fresh copy, flooding poor CCP4 server. So, after 2 days I fin

Re: [ccp4bb] Depositing coordinates with riding hydrogens

2008-12-17 Thread Pavel Afonine
Hi Jon, - obviously, the model should not be manipulated once the final statistics is obtained, or if it is manipulated, then the final statistics must be re-calculated; - I can't imagine someone thinking that hydrogens were refined individually in a X-ray structure say at 2A resolution. -

Re: [ccp4bb] Depositing coordinates with riding hydrogens

2008-12-17 Thread Ethan Merritt
On Wednesday 17 December 2008 15:53:42 Jonathan Winger wrote: > Hi all- > > Just wondering what the consensus is - should a structure refined with > riding hydrogens be deposited with the coordinates for the hydrogens > included? One could argue that, since they were used in the > refinemen

Re: [ccp4bb] iMosflm in 6.1 under OS X

2008-12-17 Thread Jayashankar
Yes, William I do agree with you, and in the same line of doubt, I have one more thing to ask you. Where is this .cvspass resides. I have problem in updating my fink , with fink selfupdate-cvs. thanks S.Jayashankar Research Student Institute for Biophysical Chemistry Hannover Medical School Ger

[ccp4bb] Depositing coordinates with riding hydrogens

2008-12-17 Thread Jonathan Winger
Hi all- Just wondering what the consensus is - should a structure refined with riding hydrogens be deposited with the coordinates for the hydrogens included? One could argue that, since they were used in the refinement to obtain the model and statistics reported, they should be included

Re: [ccp4bb] iMosflm in 6.1 under OS X

2008-12-17 Thread William G. Scott
Please, we all need to mention this to the Apple people. This is totally unacceptable. On Dec 17, 2008, at 2:54 PM, Engin Ozkan wrote: Yep, this happened because of the latest Mac OS 10.5.6 update. With the update, my X11 version got downgraded from 2.3.1 to 2.1.5. Engin William G. Scot

Re: [ccp4bb] XAS software

2008-12-17 Thread Ethan Merritt
On Wednesday 17 December 2008 14:26:32 Eugenio De la Mora wrote: > Hi, > I have some XAS spectra but I'm new in the area. I'm looking for a free > software. I just want to normalize the data and compare between them. Any > suggestion? http://depts.washington.edu/uwxafs/ -- Ethan A Merritt Bi

Re: [ccp4bb] iMosflm in 6.1 under OS X

2008-12-17 Thread William G. Scott
Hi Engin: What do you get in response to the command otool -L /usr/X11/lib/libXdamage.1.dylib | grep "libXdamage.1.dylib" You should see /usr/X11/lib/libXdamage.1.dylib (compatibility version 3.0.0, current version 3.0.0) If you don't, update X11 here (free) to at least 2.3.1: http://xqu

Re: [ccp4bb] iMosflm in 6.1 under OS X

2008-12-17 Thread Engin Ozkan
Yep, this happened because of the latest Mac OS 10.5.6 update. With the update, my X11 version got downgraded from 2.3.1 to 2.1.5. Engin William G. Scott wrote: Hi Engin: What do you get in response to the command otool -L /usr/X11/lib/libXdamage.1.dylib | grep "libXdamage.1.dylib" You shou

[ccp4bb] XAS software

2008-12-17 Thread Eugenio De la Mora
Hi, I have some XAS spectra but I'm new in the area. I'm looking for a free software. I just want to normalize the data and compare between them. Any suggestion? Thank you very much. Eugenio De la Mora Insituto de Biotecnologia, UNAM.

Re: [ccp4bb] iMosflm in 6.1 under OS X

2008-12-17 Thread Engin Ozkan
By the way, is anyone experiencing the following problem with fink-installed coot? dyld: Library not loaded: /usr/X11/lib/libXdamage.1.dylib Referenced from: /sw/bin/coot Reason: Incompatible library version: coot requires version 3.0.0 or later, but libXdamage.1.dylib provides version 2.0.0

Re: [ccp4bb] iMosflm in 6.1 under OS X

2008-12-17 Thread Harry Powell
Hi I should say, while this subject has been brought up, that Luke and I are working hard to remove many of these dependencies, so iMosflm should work with a more "plain vanilla" version of TclTk (but you will still need iTcl and iTk. On 17 Dec 2008, at 16:34, William G. Scott wrote: Mo

Re: [ccp4bb] iMosflm in 6.1 under OS X

2008-12-17 Thread William G. Scott
More specifically, issue fink selfupdate-cvs (or fink selfupdate-rsync) fink install itcl itk iwidgets tdom tkimg tktreectrl On Dec 17, 2008, at 7:56 AM, Andrzej Lyskowski wrote: Hi, I've just upgraded my fink distro and was wondering what else has to be done concerning configuration i

Re: [ccp4bb] iMosflm in 6.1 under OS X

2008-12-17 Thread William G. Scott
I've just now added these as fink packages (cvs unstable). Sorry for the delay. I dropped the ball. Steffen Schmidt did the hard work, so many thanks to Seffen!!! Bill On Dec 17, 2008, at 7:56 AM, Andrzej Lyskowski wrote: Hi, I've just upgraded my fink distro and was wondering what els

Re: [ccp4bb] O/T: microscopes

2008-12-17 Thread Jens T. Kaiser
I can only recommend the Motic microscopes. i'm very impressed for $1,70O incl camera, not as sturdy as Leica (my favorite) but very good image quality. Drawback: no cold light source. But you can get a gooseneck light and do top illumination. Do not buy their polarizer, though. Cheers, Jens

Re: [ccp4bb] iMosflm in 6.1 under OS X

2008-12-17 Thread Winter, G (Graeme)
Hi Andrzej, To get iMosflm working you need a few extensions which it uses to be available. A 'full-fat' Tcl/Tk with everything added which will work for both CCP4i and iMosflm can be found at ftp://ftp.ccp4.ac.uk/ccp4/current/extras (Tcl-Tk++-osx-universal.dmg.gz) This will install by default

[ccp4bb] iMosflm in 6.1 under OS X

2008-12-17 Thread Andrzej Lyskowski
Hi, I've just upgraded my fink distro and was wondering what else has to be done concerning configuration in order to make the iMosflm run on Mac OS. So far I'm getting the following error: Error in startup script: unknown namespace in import pattern "itcl::*" while executing "namespace i

Re: [ccp4bb] O/T: microscopes

2008-12-17 Thread Uwe Mueller
Dear Clint, Jerome is right. Do not expect to get a stereo microscope (these are more or less two microscopes within a smart arrangement) for this price. We purchased recently a Leica M205A, which defines the quality and price for a high-end system. It has a magnification range using a 0.8 plan

[ccp4bb] O/T: use of heparin in crystallisation

2008-12-17 Thread Chen, Yu Wai
Dear All, Does anybody has any comment on using heparin as an additive to co-crystallise an RNA-binding protein? I am not asking about using it to form a complex with proteins that are know to bind heparin specifically, but using it as a general RNA analogue, when we lack the knowledge of th

Re: [ccp4bb] O/T: microscopes

2008-12-17 Thread mesters
The combination of for example 10-120x stereo-zoom magnification, good optical quality, bright- and dark-field illumination, and only 3000 US$ is NOT possible unless: 1) you are willing to buy a second hand of quality brands like Leica, Zeiss, Olympus or Nikon (my preference) 2) you buy a low q

[ccp4bb] Postdoctoral position in Edinburgh

2008-12-17 Thread Laura Spagnolo
I would like to draw your attention to the following opening: Vacancy Reference 3010245 Applications are invited for a Post-doctoral position funded by Cancer Research UK, to work on structure/function studies of the NMD machinery in Dr Laura Spagnolo's group. Applicants must hold a PhD in