[ccp4bb] Merging CCP4i projects from two computers

2008-03-07 Thread Derek Logan
Hi everyone, I've been working on a project using CCP4i on two separate computers in parallel and now unfortunately have jobs spread over the two locations. I would now like to consolidate these. Some of the new jobs on one computer will have the same run number as different ones on the

Re: [ccp4bb] Merging CCP4i projects from two computers

2008-03-07 Thread P.J.Briggs
Hi Derek There's not really any way of doing what you're asking at present. If merging utility would be useful to others then I would be prepared to look into providing one, although there are a bunch of fiddly issues to deal with (e.g. keeping dates consistent, handling file name clashes and so

Re: [ccp4bb] Merging CCP4i projects from two computers

2008-03-07 Thread William Scott
Syncing directories with unison (use the same version of the program on all computers) or rsync can help. Lately I've been using svn, which is I think the best way to deal with this. Setting up a server on linux is probably easiest. You can do this with any type of file, by the way, it

Re: [ccp4bb] Merging CCP4i projects from two computers

2008-03-07 Thread David J. Schuller
Unison is good, as is rsync, but in this particular case will be complicated (if ( understand correctly) by the use of the identical file names for different files on the two computers. I don't see an easy, automatic way around this. I would rename one or some of the directories, put them on the

Re: [ccp4bb] Merging CCP4i projects from two computers

2008-03-07 Thread William Scott
NFS is alive and well (even on OS X 10.5), but having separate copies on different computers and/or an svn server has the additional merits of being a backup system and one you can use with computers that don't have static IPs. David J. Schuller wrote: Back in the good old days, we were able

Re: [ccp4bb] isopropanol as a precipitant

2008-03-07 Thread Patrick Shaw Stewart
Shivesh It's often very difficult to harvest crystals from conditions that contain isopropanol because the alcohol is volatile - especially with 50% or over! A solution that has worked several times it so use the Vapor Batch plates. http://www.douglas.co.uk/vb.htm You can cover the

[ccp4bb] MTZ cell troubles after sortmtz reindexing from P321 to C2

2008-03-07 Thread Pietro Roversi
Dear all, after much sweat and grief I managed to index my data in P321 but looking at the symmetry I think they might be C2: reindexing from P321 to C2 with the 2h+k, k, l operator in sortmtz produces the right cell (and yes I did tick the Reduce reflexions to the asymmetric unit

Re: [ccp4bb] Merging CCP4i projects from two computers

2008-03-07 Thread Edward Berry
David J. Schuller wrote: ... even further back, file versioning in VMS might have been relevant and useful. But I am wandering. [:) Problem is both files are version *.*;1. I keep getting: -RMS-E-FEX, file already exists, not superseded %BACKUP-E-OPENOUT, error opening

Re: [ccp4bb] Thermofluor experiment

2008-03-07 Thread Brenda Patterson
Hi, I am interested in using the thermofluor to assess the stability of my protein in different buffers. Can anyone recommend a vendor that supplies buffer screens, possibly in 96 well format? Not crystallization buffers, just ordinary storage buffers. Thanks brenda Quoting Andreas Förster

Re: [ccp4bb] MTZ cell troubles after sortmtz reindexing from P321 to C2

2008-03-07 Thread Winter, G (Graeme)
Hi Pietro, I would use pointless for this - it will correctly reindex the reflections and sort them to boot. You can specify the correct pointgroup and reindex operator to reindex the reflections, and (I am 99% sure) pointless will compute the correct unit cell... You can find recent versions of

Re: [ccp4bb] MTZ cell troubles after sortmtz reindexing from P321 to C2

2008-03-07 Thread Phil Evans
As Graeme says, Pointless should sort this out for you, either from CCP4 pre-release, or from ftp://ftp.mrc-lmb.cam.ac.uk/pub/pre Phil On 7 Mar 2008, at 20:25, Winter, G (Graeme) wrote: Hi Pietro, I would use pointless for this - it will correctly reindex the reflections and sort them to

Re: [ccp4bb] MTZ cell troubles after sortmtz reindexing from P321 to C2

2008-03-07 Thread George M. Sheldrick
Just for the record, if you feed the data into XPREP (using Tim Gruene's mtz2sca if necessary) it will almost certainly give you the choice of space groups - with an indication of which is the most likely - and do the necessary cell and index transformations automatically. I recommend

Re: [ccp4bb] Molecular replacement of a multidomain protein

2008-03-07 Thread Lucas Bleicher
I've had a very good experience with MrBump: http://www.ccp4.ac.uk/MrBUMP/ Not only because of the program itself, which was able to find an unexpected template for the problematic chain (the first one was straightforward in Phaser), but also because of great support from Martyn Ron. It's

Re: [ccp4bb] Molecular replacement of a multidomain protein

2008-03-07 Thread Roger Rowlett
EPMR (now Open-EPMR, http://www.epmr.info) is an excellent alternative for finding difficult, high-dimensional MR solutions. Experiment with various resolution limits. We solved an asymmetric unit with 3 difficult-to-place dimers of low sequence homology by gradually increasing the

Re: [ccp4bb] Molecular replacement of a multidomain protein

2008-03-07 Thread Meyer, Peter
Hi, A few things you might try (or that you may have tried, but didn't mention): 1. Run the search models through chainsaw with their sequence alignments before searching (or just use poly-alanine versions of the search models), and reset the B-factor of the search models to the B-factor of