P.S.: you are not alone having such R-factors
On Fri, Apr 12, 2013 at 9:50 AM, Jan van Agthoven <janc...@gmail.com> wrote:
>
>> Could this be due to an excessive low R
>> factor that phenix.refine has generated: R=17.9 and Rfree=23.3 at a
>> resolution of 2.85 A?
>
>
Histogram of Rwork for models in PDB at resolution 2.75-2.95 A:
0.134 - 0.157 : 10
0.157 - 0.180 : 75 <<<<< your model
0.180 - 0.203 : 365
0.203 - 0.226 : 666
0.226 - 0.249 : 653
0.249 - 0.272 : 247
0.272 - 0.295 : 52
0.295 - 0.318 : 11
0.318 - 0.341 : 1
0.341 - 0.364 : 1
Histogram of Rfree for models in PDB at resolution 2.75-2.95 A:
0.191 - 0.210 : 27
0.210 - 0.230 : 105
0.230 - 0.249 : 271 <<<<< your model
0.249 - 0.269 : 472
0.269 - 0.288 : 649
0.288 - 0.308 : 377
0.308 - 0.328 : 129
0.328 - 0.347 : 34
0.347 - 0.366 : 14
0.366 - 0.386 : 3
Histogram of Rfree-Rwork for all model in PDB at resolution 2.75-2.95 A:
0.001 - 0.011 : 23
0.011 - 0.021 : 87
0.021 - 0.030 : 195
0.030 - 0.040 : 377
0.040 - 0.050 : 407
0.050 - 0.060 : 408 <<<<< your model
0.060 - 0.070 : 296
0.070 - 0.079 : 162
0.079 - 0.089 : 81
0.089 - 0.099 : 45
Number of structures considered: 2081
The above histograms were obtained using command:
phenix.r_factor_statistics 2.85
Pavel
