[ccp4bb] EMBO practical course on Electron Tomography in Life Science

2008-12-24 Thread Raimond Ravelli
Registration is now open for the EMBO practical course on Electron Tomography in Life Science, 1-7 June, 2009, Leiden, The Netherlands See http://cwp.embo.org/pc09-08/index.html for all course details Application deadline is March 1st 2009.

Re: [ccp4bb] MR- Problem-76 % sequence identity-no solution

2008-12-24 Thread Kevin P Madauss
where to start? 1st what is the resolution and Rfree of your model? Have you cut the model down to 1 molecule in the ASU, and what does Matthew's predict for your crystals as far as number in ASU? If all of those answers are reasonable, floppy regions can often cause failure in MR. I would

Re: [ccp4bb] MR- Problem-76 % seqeunce identity-no solution

2008-12-24 Thread Flip Hoedemaeker
I had the same problem with an even higher %identity once (80%), eventually resorted to SIRAS phasing with a mercury compound, and I found a case of domain swapping creating a novel dimer interface. Flip