Re: [ccp4bb] frm2frm

2011-10-26 Thread Pedro M. Matias
You need to register at their site first, I suppose. Have you tried to ask them for the software ? At 06:06 26-10-2011, khuchtumur bumerdene wrote: Hello, Does anyone know where I could download frm2frm utility from Bruker? Is it even possible to do so? Industry and Medicine Applied

Re: [ccp4bb] IUCr committees, depositing images

2011-10-26 Thread Frank von Delft
Since when has the cost of any project been limited by the cost of hardware? Someone has to /implement /this -- and make a career out of it; thunderingly absent from this thread has been the chorus of volunteers who will write the grant. phx On 25/10/2011 21:10, Herbert J. Bernstein wrote:

Re: [ccp4bb] COOT not connected to PHENIX

2011-10-26 Thread Tim Gruene
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Grand - with every python script one has to distribute a specific python version. More food for my prejudice against python ;-) Tim On 10/26/2011 12:15 AM, Paul Emsley wrote: FYI, from version 0.7, I will not distribute binaries without python.

Re: [ccp4bb] frm2frm

2011-10-26 Thread Tim Gruene
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Good luck - I registered with Bruker one or two years ago and have not heard a reply since ... Tim On 10/26/2011 09:32 AM, Pedro M. Matias wrote: You need to register at their site first, I suppose. Have you tried to ask them for the software ?

Re: [ccp4bb] IUCr committees, depositing images

2011-10-26 Thread Graeme Winter
Hi James, Just to pick up on your point about the Pilatus detectors. Yesterday in 2 hours of giving a beamline a workout (admittedly with Thaumatin) we acquired 400 + GB of data*. Now I appreciate that this is not really routine operation, but it does raise an interesting point - if you have

Re: [ccp4bb] IUCr committees, depositing images

2011-10-26 Thread Matthew BOWLER
The archiving of all raw data and subsequently making it public is something that the large facilities are currently debating whether to do. Here at the ESRF we store user data for only 6 months (and I believe that it is available longer on tape) and we already have trouble with capacity. My

Re: [ccp4bb] frm2frm

2011-10-26 Thread Tim Gruene
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Dear list, I just re-registered at http://www.brukersupport.com/Login.aspx?ReturnUrl=%2fdefault.aspx, and supported by a notifying email to Martin Adam (martin.a...@bruker-axs.de) the registration succeeded within a couple of minutes. Tim On

Re: [ccp4bb] IUCr committees, depositing images

2011-10-26 Thread George M. Sheldrick
This raises an important point. The new continuous readout detectors such as the Pilatus for beamlines or the Bruker Photon for in-house use enable the crystal to be rotated at constant velocity, eliminating the mechanical errors associated with 'stop and go' data collection. Storing their data

Re: [ccp4bb] IUCr committees, depositing images

2011-10-26 Thread Loes Kroon-Batenburg
Dear James, Good analysis! You bring up important points. On 10/24/11 23:56, James Holton wrote: The Pilatus is fast, but or decades now we have had detectors that can read out in ~1s. This means that you can collect a typical ~100 image dataset in a few minutes (if flux is not limiting).

[ccp4bb] Program announcement: Nautilus v0.2

2011-10-26 Thread Kevin Cowtan
New version of Nautilus (my nucleic acid building program). Main changes: - Now available for both OSX(x86) and Linux. - It no longer corrupts the residue names of any existing non-nucleic acid model you feed in. - Most cases where the output model clashes with itself have been fixed. -

Re: [ccp4bb] IUCr committees, depositing images

2011-10-26 Thread John R Helliwell
Dear Frank, re 'who will write the grant?'. This is not as easy as it sounds, would that it were! There are two possible business plans:- Option 1. Specifically for MX is the PDB as the first and foremost candidate to seek such additional funds for full diffraction data deposition for each

Re: [ccp4bb] COOT not connected to PHENIX

2011-10-26 Thread Ed Pozharski
On Wed, 2011-10-26 at 10:33 +0200, Tim Gruene wrote: with every python script one has to distribute a specific python version ... and with every program one has to distribute binaries for every platform... more food for my prejudice against software ;-) This really is not about python, it's

[ccp4bb] Question about drawing disulfide bonds in Pymol

2011-10-26 Thread Ke, Jiyuan
Dear All, I have a question regarding making disulfide bonds in Pymol. The overall structure is in cartoon representation. When I display the disulfide bond residues as stick models, the cysteine residues sitting on the beta strand have a gap from the actual beta-strand. If I check off the

Re: [ccp4bb] frm2frm

2011-10-26 Thread Ed Pozharski
This thread may be relevant http://www.mail-archive.com/ccp4bb@jiscmail.ac.uk/msg18422.html On Wed, 2011-10-26 at 15:06 +1000, khuchtumur bumerdene wrote: Hello, Does anyone know where I could download frm2frm utility from Bruker? Is it even possible to do so? -- Hurry up before we all

Re: [ccp4bb] IUCr committees, depositing images

2011-10-26 Thread Gerard Bricogne
Dear John and colleagues, There seem to be a set a centrifugal forces at play within this thread that are distracting us from a sensible path of concrete action by throwing decoys in every conceivable direction, e.g. * Pilatus detectors spew out such a volume of data that we can't

[ccp4bb] Structural biologist position at Constellation Pharmaceuticals

2011-10-26 Thread Steve Bellon
Scientist Structural Biology Constellation Pharmaceuticals is a rapidly growing biopharmaceutical company dedicated to the development of novel therapeutics in the emerging field of Epigenetics. The structural biology group at Constellation is looking for an enthusiastic and collaborative

Re: [ccp4bb] Question about drawing disulfide bonds in Pymol

2011-10-26 Thread Ed Pozharski
On Wed, 2011-10-26 at 10:15 -0400, Ke, Jiyuan wrote: flat sheet option IIUC, the set command in pymol allows per-selection application, i.e. if you try this in the command line instead of checking the option in the menu set cartoon_flat_sheets, 0, blah where blah is your selection. -- Oh,

Re: [ccp4bb] IUCr committees, depositing images

2011-10-26 Thread Patrick Shaw Stewart
Could you perhaps use the principle of capture storage that is used by wild-life photographers with high-speed cameras? The principle is that the movie is written to the same area of memory, jumping back to the beginning when it is full (this part is not essential, but it makes the principle

Re: [ccp4bb] IUCr committees, depositing images

2011-10-26 Thread Gloria Borgstahl
I just want to jump in to state that I am ALL FOR the notion of depositing the images that go with the structure factors and the refined structure. Through the years, I have been interviewing folks about the strange satellite diffraction they saw, but ignored, used the mains that they could

Re: [ccp4bb] IUCr committees, depositing images

2011-10-26 Thread Jacob Keller
Is anyone seriously questioning whether we should archive the images used for published structures? That amount of space is trivial, could be implemented just as another link in the PDB website, and would be really helpful in some cases. One person could set it up in a day! You could just make it

[ccp4bb] Experimental Postdoctoral Position in High Throughput Small Molecule Ligand Screening

2011-10-26 Thread Forness, Jessica D
Experimental Postdoctoral Position in High Throughput Small Molecule Ligand Screening Outstanding postdoctoral applicants to work jointly with Drs. Julia Kubakek, Mark Hay and Jeffrey Skolnick at the Georgia Institute of Technology are sought with the following qualifications: * Extensive

[ccp4bb] cryo protection

2011-10-26 Thread Leonard Thomas
Hi All, I have run into a very sensitive crystals system when it comes to cryo protecting them. I have run through the usual suspects and trays are going to be setup with a cryo protectant as part of crystallization cocktail. The one problem that seems to be occurring is that the

Re: [ccp4bb] IUCr committees, depositing images

2011-10-26 Thread Frank von Delft
Cool - we've found our volunteer!! On 26/10/2011 17:28, Jacob Keller wrote: Is anyone seriously questioning whether we should archive the images used for published structures? That amount of space is trivial, could be implemented just as another link in the PDB website, and would be really

Re: [ccp4bb] IUCr committees, depositing images

2011-10-26 Thread Jacob Keller
Touche! But alas, I have no access to the PDB's server, so... JPK On Wed, Oct 26, 2011 at 11:54 AM, Frank von Delft frank.vonde...@sgc.ox.ac.uk wrote: Cool - we've found our volunteer!! On 26/10/2011 17:28, Jacob Keller wrote: Is anyone seriously questioning whether we should archive the

Re: [ccp4bb] cryo protection

2011-10-26 Thread Mark J van Raaij
you may have thought of this already, but you could try cryoprotection in the drop itself. i.e. slowly adding cryoprotectant to the reservoir, or replacing the reservoir bit by bit with solution containing cryoprotectant, and then adding small volumes to the side of the drop - for example,

Re: [ccp4bb] cryo protection

2011-10-26 Thread Tim Gruene
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Dear Len, just to be on the safe side, my list of 'usual suspects' includes - - glycerol/PEG400 - - LiCl et al at high concentration - - Butanediol - - sugars (glucose/ fructose) - - oil - - NaMalonate - - MPD ... you mention cracking upon

Re: [ccp4bb] cryo protection

2011-10-26 Thread Roger Rowlett
Len, We have run into this problem from time to time, and it is very frustrating. Here are some things to try, some of which you may have done already: Grow crystals in a small percentage of the cryoprotectant (e.g., 5-10% glycerol). This often

Re: [ccp4bb] Question about drawing disulfide bonds in Pymol

2011-10-26 Thread Christian Roth
Hi, I think it should also work with the cartoon side chain helper option which adjust the cartoon slightly to prevent such situations. Christian Am Mittwoch 26 Oktober 2011 16:15:55 schrieb Ke, Jiyuan: Dear All, I have a question regarding making disulfide bonds in Pymol. The overall

[ccp4bb] cryo protection

2011-10-26 Thread Elspeth Garman
Dear Len This is a classic sign of osmotic shock. You can try matching the osmotic pressure of the mother liquor and the cryoprotectant buffer. For a protocol see Acta Cryst D (1999) 55, 1649 section 6.4 Good luck Best wishes Elspeth -Original Message- From: CCP4 bulletin board

Re: [ccp4bb] cryo protection

2011-10-26 Thread Filip Van Petegem
Hello Leonard, one thing to test is whether transferring your crystals to a drop containing simply well solution also causes cracking. If yes, then the possibility exists that the absence of protein in solution is causing the trouble. In that case, you can transfer the crystals to oil: you'll be

Re: [ccp4bb] cryo protection

2011-10-26 Thread Zhou, Tongqing (NIH/VRC) [E]
You can also try to crosslink before transferring to cryo. From: Filip Van Petegem filip.vanpete...@gmail.com To: CCP4BB@JISCMAIL.AC.UK CCP4BB@JISCMAIL.AC.UK Sent: Wed Oct 26 13:19:16 2011 Subject: Re: [ccp4bb] cryo protection Hello Leonard, one thing to test is

Re: [ccp4bb] cryo protection

2011-10-26 Thread Muhammed bashir Khan
Hi Len; I was having exactly the same problem with my crystals, but when we grow the crystals in presence of increasing concentration of Glycerol and MPD starting from 0.5 to 10%. The crystal doesn't appear after 3% of Glycerol or MPD but the one which appear in 2.5 to 3 % were much resistant to

Re: [ccp4bb] IUCr committees, depositing images

2011-10-26 Thread Herbert J. Bernstein
Dear Colleagues, Gerard strikes a very useful note in pleading for a can-do approach. Part of going from can-do to actually-done is to make realistic estimates of the costs of doing and then to adjust plans appropriately to do what can be afforded now and to work towards doing as much of what

Re: [ccp4bb] IUCr committees, depositing images

2011-10-26 Thread James Stroud
On Oct 26, 2011, at 9:59 AM, Patrick Shaw Stewart wrote: The principle is that the movie is written to the same area of memory, jumping back to the beginning when it is full (this part is not essential, but it makes the principle clear). Then, when the photographer takes his finger off

Re: [ccp4bb] cryo protection

2011-10-26 Thread Andrew Purkiss-Trew
Another possibility (other than those already mentioned) is to try freezing without a cryoprotectant, by fishing the crystals out onto a mesh and removing all the mother liquor. The following paper has some details: Direct cryocooling of naked crystals: are cryoprotection agents always

Re: [ccp4bb] cryo protection

2011-10-26 Thread Leonard Thomas
A good number of things to try. Just a little more info that was asked for. The crystals are grown in Peg 3350 over a range of pH values using Bis-Tris Propane. The are coming out of 2 different salt conditions. My feeling is it is an osmolality problem though I also observed cracking

Re: [ccp4bb] cryo protection

2011-10-26 Thread harkewal singh
Len, May be you have already done this. I would closely check my crystallization conditions and also check the pH of the cryo. In some cases, during cryoprotection the pH of the original drop may drastically different than the cryo solution. Also, sometime back, we were exploring different

Re: [ccp4bb] cryo protection

2011-10-26 Thread Mathews, Irimpan I.
One small point: Just make sure that you are not too off from the contents of the protein solution.  Sometimes protein solution may have a high amount of salt or things like that and we forget to include atleast half of this concentration into the cryo solution. This could easily crack the

Re: [ccp4bb] cryo protection

2011-10-26 Thread David Schuller
One more thing you could try: high pressure cryo-cooling. Se any of a number of paperas by Chae Un Kim; e.g. http://www.ncbi.nlm.nih.gov/pubmed/17452791 Acta Crystallogr D Biol Crystallogr. http://www.ncbi.nlm.nih.gov/pubmed/17452791# 2007 May;63(Pt 5):653-9. Epub 2007 Apr 21. On

Re: [ccp4bb] IUCr committees, depositing images

2011-10-26 Thread Colin Nave
I have been nominated by the IUCr synchrotron commission (thanks colleagues!) to represent them for this issue. However, at the moment, this is a personal view. 1. For archiving raw diffraction image data for structures in the PDB, it should be the responsibility of the worldwide PDB. They are

Re: [ccp4bb] cryo protection

2011-10-26 Thread Jim Pflugrath
For some ideas on cryocrystallography, one can watch an online webinar on the subject: http://www.rigaku.com/protein/webinar-001.html Maybe some unbiased folks can comment? ;) Jim From: CCP4 bulletin board [CCP4BB@JISCMAIL.AC.UK] on behalf of Leonard

[ccp4bb] Postdoctoral Position at King's College London

2011-10-26 Thread Steiner, Roberto
A three-year postdoctoral position in the field of mechanistic enzymology is immediately available in the Steiner Laboratory of King’s College London. The salary is £33,193 per annum inclusive of London allowance. The project aims at studying the intriguing biological process of

Re: [ccp4bb] IUCr committees, depositing images

2011-10-26 Thread Martin M. Ripoll
Dear George, dear all, I was just trying to summarize my point of view regarding this important issue when I got your e-mail, that reflects exactly my own opinion! Martin Dr. Martin Martinez-Ripoll Research Professor xmar...@iqfr.csic.es Department of

Re: [ccp4bb] IUCr committees, depositing images

2011-10-26 Thread Gerard Bricogne
Dear Colin, Thank you for accepting the heavy burden of responsibility your colleagues have thrown onto your shoulders ;-) . It is great that you are entering this discussion, and I am grateful for the support you are bringing to the notion of starting something at ground level and learning

Re: [ccp4bb] COOT not connected to PHENIX

2011-10-26 Thread Jaime Jensen
I experienced this same issue a while ago. When I attempt to reinstall coot using Fink (instructions on Bill Scott's coot page), I receive this error in Terminal: WARNING: While resolving dependency nose-py27 for package numpy-py27-1.5.1-1, package nose-py27 was not found. Reading build

Re: [ccp4bb] IUCr committees, depositing images

2011-10-26 Thread Colin Nave
Dear George, Martin I don't understand the point that one is throwing away information by storing in frames. If the frames have sufficiently fine intervals (given by some sampling theorem consideration) I can't see how one loses information. Can one of you explain? Thanks Colin

[ccp4bb] Off-topic: DSF thermo cycler low temp limit

2011-10-26 Thread Reginald McNulty
We are trying to determine Tm value of rather unstable proteins with a Tm in the mid 20 C range using DSF/thermofluor. Our Stratagene thermocycler has a low temp limit of 25 C (Peltier). I called the company and they said it's a 'hardware limit' that cannot be changed. 1) Has anyone been able

Re: [ccp4bb] IUCr committees, depositing images

2011-10-26 Thread Colin Nave
Dear Gerard Yes, perhaps I was getting a bit carried away with the possibilities. Although I believe that, with high resolution detectors and low divergence beams, one should be able to separate out the various lattices it is not really relevant to the main issue - getting the best from

[ccp4bb] unsubscribe ccp4bb

2011-10-26 Thread Hanna S . Yuan 袁小琀

Re: [ccp4bb] data processing problem with ice rings

2011-10-26 Thread ChenTiantian
Hi there, Thank you for all your suggestions and generous help, I tried some methods you guys mentioned and learned something new . I really appreciate it. With Kay's help,(after exclusion of the ice rings he found that the data are P1, not P2(1). ) I got my structure solved, there are four copies

Re: [ccp4bb] cryo protection

2011-10-26 Thread Jens Kaiser
Hey Len, I had this problem, too. As you know, my favorite first try is always fomblin (no need to mix anything). I had quite a bit success in stubborn cases to inject about 4uL fomblin through the tape on top of the drop and then looping crystals through the oil layer. You can wick the mother

Re: [ccp4bb] Off-topic: DSF thermo cycler low temp limit

2011-10-26 Thread Jürgen Bosch
CD spec with Pelletier is an option too Jürgen .. Jürgen Bosch Johns Hopkins Bloomberg School of Public Health Department of Biochemistry Molecular Biology Johns Hopkins Malaria Research Institute 615 North Wolfe Street, W8708 Baltimore, MD 21205 Phone: +1-410-614-4742 Lab:

[ccp4bb] twist angle bwtween monomers

2011-10-26 Thread Debajyoti Dutta
Hi all, Does anybody know of any software to calculate the twist angle between two monomers in a dimeric assembly. Or calculate manually. Thank you in advance. Sincerely Debajyoti

Re: [ccp4bb] twist angle bwtween monomers

2011-10-26 Thread Ed Pozharski
Assuming you are dealing with a pure twist, isn't the polar rotation angle reported by lsqkab or superpose what you are looking for? On Thu, 2011-10-27 at 04:16 +, Debajyoti Dutta wrote: Hi all, Does anybody know of any software to calculate the twist angle between two monomers in a

Re: [ccp4bb] cryo protection

2011-10-26 Thread James Holton
I have always been a fan of oil, which has already been suggested. Have you tried that? Cross-linking has already been suggested, and these are some good protocols: Lusty (1999) J. Appl. Crystallogr. 32, 106-112. McWhirter, et al. (1999) PNAS USA 96, 8408-8413. In the latter paper the