Re: [ccp4bb] R/R free reported values

2014-10-28 Thread Clemens Vonrhein
Hi Cedric, the PDB file reports two R/Rrfee values: all data : 0.110 / 0.170 F>4SIG(F) : 0.103 / 0.162 while the mmCIF version has: _refine.ls_R_factor_R_work 0.103 _refine.ls_R_factor_R_free 0.134 But that R-free value doesn't seem to be pres

Re: [ccp4bb] R/R free reported values

2014-10-28 Thread Tim Gruene
Dear Cedric, One reason might be that the R1-Value depends on the program that calculates it. Nowadays it cannot be calculated from the model alone because programs use different solvent models (which might be considered part of the model, yet you don't see the effect of the solvent model in the P

[ccp4bb] R/R free reported values

2014-10-27 Thread Cedric
Hi Phenix and CCP4 community, (sorry for the cross posting). I was looking at a PDB file. The http://www.rcsb.org/ website page gives the following values: R-Value: 0.103 (work) R-Free: 0.134 The actual PDB file gives the following: R :0.110 FREE R VALUE : 0.170 I was wondering why the diff