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PHENIX users: just a quick notice: starting PHENIX nightly build version dev-717 and up, a new command line tool phenix.reciprocal_space_arrays will be available. This tool takes a PDB model and a data file (in most of commonly used formats: MTZ, CNS, SHELX,...) and outputs a MTZ file containing a number of arrays that are typically used in various crystallographic calculations, such as R-factors, maps, refinement targets, etc. The output arrays include: Fmodel, Fcalc, Fmask, Fbulk, FOM, resolution, HL(input original, computed from model and combined), FB_CART (overall anisotropic scale), input Fobs and Rfree-flags and more. To run: phenix.reciprocal_space_arrays model.pdb data.mtz To see the result: phenix.mtz.dump output_file.mtz Please let me know should you have any questions, suggestions or simply find a bug! Pavel.