I routinely use sftools for this task. After reading the original mtz file, delete the old Rfree column (if any) and create a new one with rfree 0.05 shell (replace 0.05 with whatever fraction you prefer) Regards, Oliver ================================================ PD Dr. Oliver H. Weiergräber Institute of Complex Systems ICS-6: Structural Biochemistry Tel.: +49 2461 61-2028 Fax: +49 2461 61-1448 ================================================ ________________________________________ From: [email protected] [[email protected]] On Behalf Of Simon Kolstoe [[email protected]] Sent: Monday, January 30, 2012 12:43 PM To: PHENIX user mailing list Subject: [phenixbb] Picking Rfree in thin resolution shells using command line Dear phenixbb, I see from a quick google that it is possible to pick my Rfree's using thin resolution shells (coz I've got 20 fold NCS), however as I am someone who tries to avoid the GUI where at all possible, could someone let me know what the command line way of doing this is? Thanks, Simon --------------------------------------------------------------- Dr Simon Kolstoe Laboratory for Protein Crystallography Wolfson Drug Discovery Unit University College London Rowland Hill Street, London NW3 2PF Tel: 020 7433 2765 http://www.ucl.ac.uk/~rmhasek --------------------------------------------------------------- _______________________________________________ phenixbb mailing list [email protected] http://phenix-online.org/mailman/listinfo/phenixbb ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- Forschungszentrum Juelich GmbH 52425 Juelich Sitz der Gesellschaft: Juelich Eingetragen im Handelsregister des Amtsgerichts Dueren Nr. HR B 3498 Vorsitzender des Aufsichtsrats: MinDir Dr. Karl Eugen Huthmacher Geschaeftsfuehrung: Prof. Dr. Achim Bachem (Vorsitzender), Karsten Beneke (stellv. Vorsitzender), Prof. Dr.-Ing. Harald Bolt, Prof. Dr. Sebastian M. Schmidt ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- Kennen Sie schon unsere app? http://www.fz-juelich.de/app