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We present the current status of RADDOSE-3D, a software tool allowing the estimation of the dose absorbed in a macromolecular crystallography diffraction experiment. The code allows a temporal and spatial dose contour map to be calculated for a crystal of any geometry and size as it is rotated in an X-ray beam, and gives several summary dose values: among them diffraction weighted dose. This allows experimenters to plan data collections which will minimize radiation damage effects by spreading the absorbed dose more homogeneously, and thus to optimize the use of their crystals. It also allows quantitative comparisons between different radiation damage studies, giving a universal "x-axis" against which to plot various metrics.

Original publication




Journal article


Protein Sci

Publication Date





217 - 228


absorption coefficients, beam profile, diffraction weighted dose, dose, radiation damage, Crystallography, X-Ray, Software