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HI All I have an MR solution from phaser which gives four molecules/au. (MR model ~50% identical) The space group is P21, 52.2 177.9 87.6 = abc with a beta angle of 105.5. Solvent content ~40%. The data is good to about 2.5A. The intial maps were not as good as would be expected from the data but were easily interpretable. After three rounds of model building the Rfree is stuck at 41% and the R is 33%. There is a significant amount of disorder in one domain but about 75% of the model is built in. The maps look OK but not great. After reviewing the maps, there are still areas that, with care, could be built but the density there is not so well-defined. However, it seems fishy that the Rs are still so high. The truncate log file does not seem to indicate twinning. Any ideas/comments much appreciated. Thanks jl
