I'd say you have to look into the USF toolbox e.g. Moleman2 You want to calculate rmsd's there's an option for that. Jürgen
On Nov 28, 2011, at 5:22 PM, Jacob Keller wrote: Dear Crystallographers, is there a ccp4 program--or otherwise--which can compute ca-ca distances of corresponding residues between two superposed structures? Jacob -- ******************************************* Jacob Pearson Keller Northwestern University Medical Scientist Training Program email: j-kell...@northwestern.edu<mailto:j-kell...@northwestern.edu> ******************************************* ...................... Jürgen Bosch Johns Hopkins University Bloomberg School of Public Health Department of Biochemistry & Molecular Biology Johns Hopkins Malaria Research Institute 615 North Wolfe Street, W8708 Baltimore, MD 21205 Office: +1-410-614-4742 Lab: +1-410-614-4894 Fax: +1-410-955-2926 http://web.mac.com/bosch_lab/