1.1.1.B4 | purified recombinant His-tagged mutant I86A, hanging drop vapour diffusion, mixing of 0.002 ml of 8 mg/ml protein in 50 mM 2-(N-morpholino)ethanesulfonic acid, pH 6.6, 20 mM NaCl, 0.1 mM dithiothreitol, 0.1 mM ethylenediaminetetraacetic acid, and 2 mM (R)-1-phenylethanol, with 0.2% D-fructose 1,6-disphosphate trisodium salt octahydrate, 0.2% glycerol phosphate disodium salt hydrate, 0.2% O-phospho-L-serine, 0.2% O-phosphol-L-styrosine, 0.2% phytic acid sodium salt hydrate, 0.02 M HEPES sodium pH 6.8, and 0.002 ml reservoir solution containing 20% v/v PEG 400, 0.1 M Na HEPES, pH 7.0, room temperature, 6-12 h, X-ray diffraction structure determination and analysis, molecular replacement, modeling |