4.2.1.45 crystallization of selenomethionine-labeled CDP-D-glucose 4,5-dehydratase and of selenomethionine-labeled CDP-D-glucose 4,5-dehydratase complexed with the substrate analog CDP-D-xylose, hanging-drop vapor diffusion, batch method at room temperature 663505 4.2.1.45 with NAD+, hanging drop vapor diffusion method 649191, 650244