that doesnt seem too bad an Rfactor to me! What do you expect? Eleanor
On 27 August 2013 09:59, Afshan Begum <afshan...@yahoo.com> wrote: > Hi ccp4 experts, > > I have collected diffraction images to 0.96 Angstrom resolution to the edge > of the detector. One data set give me the full completeness and > below i have pasted my statistic values got from XDS. > > I have cut off data at 1.12 A which seems to be quite nice regarding all > necessary parameter to consider. > > But the problem is the Rfree is 0.176 and Rwork is 0.151 but the maps look > very good. Even If I cut off the data to 1.15 Angstrom the R factors not > improved. The space group of my complex is P21212. > > I used anisotropic Bfactors, add Hydrogen on and also used TLS but > unfortunately i can not reduce able to reduce R factor in a good way. > > so, could you people kindly give me some suggestion how can i improve my > data quality. > > > RESOLUTION NUMBER OF REFLECTIONS COMPLETENESS R-FACTOR R-FACTOR > COMPARED I/SIGMA R-meas CC(1/2) Anomal SigAno Nano > LIMIT OBSERVED UNIQUE POSSIBLE OF DATA observed expected > Corr > > 1.12 104562 21143 21268 99.4% 37.0% 37.8% 103982 > 4.04 41.4% 91.8* 0 0.767 15016 > 1.04 86588 21777 23100 94.3% 98.4% 95.8% 84962 > 1.44 113.0% 74.1* -1 0.700 10431 > > > I would be thankful for your valuable comments > > AFSHAN >
