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Improvement of LmPYK crystal quality on crystallization in the presence of PTS. (a, b) Light-microscope photographs of LmPYK crystals in the presence (a) and absence (b) of PTS. (c, d) A typical 1° oscillation image obtained during data collection from LmPYK crystals grown in the presence (c) and absence (d) of PTS. The edge of the oscillation image corresponds to the blue circle and the maximum resolution of the image is shown in the bottom left corner.
