*** For details on how to be removed from this list visit the *** *** CCP4 home page http://www.dl.ac.uk/CCP/CCP4/main.html *** Dear Colleagues : I need to do self-rotation on electron density maps in order to find a non-crystallographic 2-fold. Is there any software that can do so? Thank you very much for your help! Sincerely, Sheryl Tsai