Re: [ccp4bb] Rfree stuck

2013-10-12 Thread Kay Diederichs
Are you certain that the data are not twinned? HTH Kay

Re: [ccp4bb] CCP4BB Digest - 11 Oct 2013 to 12 Oct 2013 (#2013-289)

2013-10-12 Thread Krishnaswamy S
Dear Dilip Badjugar, Perhaps it may be good to take a look at the unmodelled blobs and see if there is any large densities left unexplained. Also how does the Rmerge vary with the resoln ? Is your data good upto 1.7A? Regards and wishes Krishnaswamy On 13 Oct 2013 04:33, "CCP4BB automatic digest

Re: [ccp4bb] Rfree stuck

2013-10-12 Thread Tim Gruene
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Dear DCB, do not look at the R-values too much, look at your structure and your maps. If they look as though you cannot improve the model any further, accept that the R1/Rfree are 21% and 25% - at 1.7A resolution these values are acceptable. Go publis

[ccp4bb] Rfree stuck

2013-10-12 Thread Dilip Badjugar
Hello Experts, I am trying to solve structure of a protein (213 a.a) complexed with a peptide (14mer) using molecular replacement method. The complex crystals are diffracted around 1.7 A and data is processed in p3(2)21 space group. The structure was solved using apo protein with good LLG -3148

[ccp4bb] Celebrating Crystallography — A short animated film

2013-10-12 Thread Curry, Stephen
For your consideration: Celebrating Crystalllography — a short film made by the Royal Institution (in cahoots with production company 12foot6) and funded by the STFC. http://richannel.org/celebrating-crystallography