1.1.1.36 5 mg/ml purified recombinant, detagged truncated enzyme, amino acid residues 1-604, by vapor diffusion technique, 20°C, in 30% PEG 4000, 0.1 M sodium acetate, pH 4.2, 0.2 M ammonium acetate, equal volume of 0.002 ml of protein and precipitant solution, 11% v/v glycerol as cryoprotectant, X-ray diffraction structure determination and analysis at 2.22-2.36 A resolution, the wild-type enzyme, comprising amino acid residues 1-906, is unstable and not crystallizable 654460 1.1.1.36 apo and NADP+-bound enzyme forms, sitting drop vapor diffusion method, using 100 mM Na-HEPES (pH 7.5), 30% (v/v) PEG 400 and 200 mM magnesium chloride hexahydrate for the apo enzyme and 200 mM sodium citrate tribasic dehydrate and 20% (w/v) PEG 3350 for the NADP+-bound enzyme 760524 1.1.1.36 hanging-drop vapour diffusion 669878 1.1.1.36 purified recombinant His-tagged wild-type and mutant enzymes in complex with NADP+ and acetoacetyl-CoA, wild-type protein crystals grow from 0.1 M MES, pH 7.1, 0.9 mM NADP+, 0.9 mM acetoacetyl-CoA, 1.6 M ammonium sulfate, and 10% 1,4-dioxane, mutant crystals grow from 0.6-1.2 M sodium-potassium tartrate, 0.16-0.20 M lithium sulfate, and 0.1 M CHES, pH 8.9-9.9, X-ray diffraction structure determination and analysis at 1.8 A and 2.0-2.9 A resolution, respectively, molecular replacement method using the structure of FabG from Escherichia coli, PDB ID 1I01, as the search probe 739901 1.1.1.36 selenomethionine-labeled recombinant truncated enzyme, X-ray diffraction structure determination and analysis at 2.38 A resolution 657366 1.1.1.36 sitting drop vapor diffusion method, using 10% (w/v) PEG 8000, 8% (w/v) ethylene glycol, 100 mM HEPES-NaOH pH 7.5 760305