Figure 1
OmcA crystals grown using the hanging-drop vapor-diffusion method at 295 K with a reservoir solution consisting of 10%(v/v) polyethylene glycol 20 000, 0.1 M Tris-HCl pH 7.8, 0.1 M MgCl2. The crystals grew with a plate-like morphology; the longest dimension was measured as approximately 0.15-0.2 mm. All OmcA crystals were clearly red in color; however, the equipment used to obtain the image could not be accurately calibrated to capture this true red color.  [article HTML]

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