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Crystal structure of the tungsten-dependent aldehyde:ferredoxin oxidoreductase from Clostridium autoethanogenum.
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments
ID
Method
pH
Temperature
Details
1
VAPOR DIFFUSION, SITTING DROP
6.5
293.15
Crystals were obtained by initial screening at 20 degrees Celsius using the sitting drop method on a 96-Well MRC 2-Drop Crystallization Plates in polystyrene (SWISSCI). The crystallization reservoir contained 90 ul of mother liquor, the crystallization drop contained a mixture of 0.55 ul protein at 8.6 mg.ml-1 and 0.55 ul precipitant. The protein was in 25 mM Tris/HCl buffer pH 7.6, 10 % (v/v) glycerol, and 2 mM dithiothreitol.
The crystal was obtained in a Coy tent under an N2/H2 atmosphere (96:4 %). The crystallization reservoir contained 25% (w/v) PEG 3350, 100 mM BIS-Tris pH 6.5, 200 mM Magnesium chloride hexahydrate. The crystal was soaked in the crystallization solution supplemented with 25 % (v/v) glycerol before freezing in liquid nitrogen.