    1.2.1.16 | purified recombinant SpSSADH in apo-form and in a binary complex with NADP+, hanging drop vapor diffusion method, for the apoform crystals: mixing 0.001 ml of protein solution with 0.001 ml of reservoir solution containing 0.1 M MES monohydrate, pH 5.8-6.1, and 18-23% w/v PEG 4000, and equilibration over 0.5 ml reservoir solution, for the binary complex crystals: mixing of protein solution with NADP+ in a 1:10 molar ratio with reservoir solution containing 0.1 M sodium acetate trihydrate, pH 4.6, and 2 M ammonium sulfate, 22°C, X-ray diffraction structure determination and analysis at 1.6 A and 2.1 A resolutions, respectively, molecular replacement method using the structure of Escherichia coli SSADH, PDB ID 3JZ4, as search model |
