1.2.1.44 | purified recombinant His-tagged enzyme in complex with NADP+, hanging drop, vapor diffusion method, mixing of 20 mg/ml protein in 20 mM Tris base, pH 7.5, 2 mM DTT, and 1 mM NADP+, with an equal volume of reservoir solution , containing 100 mM Bis-Tris, pH 6.5, and 25% w/v PEG 3350, and equilibration against reservoir solution at 4°C, X-ray diffraction structure determination and analysis at 2.35 A resolution, modelling |