> When I calculate the real space rfactors, the values are low (aroud 0.2) > although my model fits 1.7A electron density very well. I think most values > should be high to 0.8-0.9. I calculate the 2fo-fc map using xplor, read it into > mapman, normalize it and mappage it out, and then load it into O. O manual says > I can change the default values for Ao and c for optimal discrimination between > good and bad electron density map. I'd like to know what cause the real space > rfactors so low and how I can increase it. Are you using Real Space R-factor (RFAC) or Real Space Correlation Coeficient (RSCC)? The former will give you low numbers ~20%. Are you using automatic scaling in rsr_setup? Cheers, Aaron
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