Dear all I am confused about how to decide the data cutoffs using CC1/2. What resolution the following data should be used? Shell Lower Upper Average Average Norm. Linear Square limit Angstrom I error stat. Chi**2 R-fac R-fac Rmeas Rpim CC1/2 CC* 2.58 2.50 180.2 18.0 17.3 2.505 0.246 0.250 0.297 0.163 0.916 0.978 2.50 2.43 145.0 17.5 17.1 2.244 0.290 0.282 0.348 0.190 0.911 0.976 2.43 2.37 123.8 17.8 17.5 2.171 0.342 0.343 0.411 0.225 0.871 0.965 2.37 2.31 100.0 17.7 17.4 1.960 0.402 0.388 0.482 0.262 0.854 0.960 2.31 2.26 90.3 18.2 18.0 1.903 0.448 0.420 0.537 0.292 0.827 0.951 2.26 2.21 80.7 18.8 18.6 1.868 0.500 0.516 0.601 0.327 0.760 0.929 2.21 2.16 62.7 19.1 19.0 1.912 0.687 0.762 0.823 0.448 0.652 0.889 2.16 2.12 50.4 19.6 19.5 1.808 0.856 0.924 1.030 0.564 0.486 0.809 2.12 2.09 40.5 19.2 19.1 1.577 0.981 1.062 1.177 0.639 0.429 0.775 2.09 2.05 36.9 19.8 19.8 1.560 1.064 1.182 1.277 0.695 0.355 0.724 All reflections 991.1 35.1 26.9 2.730 0.085 0.062 0.103 0.057 Many thanks, Peng