1.14.11.1 | purified recombinant enzyme in complex with inhibitors 4-(ethyldimethylammonio)butanoate, 3-carboxy-N-(2-fluoroethyl)-N,N-dimethylpropan-1-aminium, 1-(3-carboxypropyl)-1-methylpyrrolidin-1-ium, 4-(trimethylammonio)pentanoate, [3-(trimethylammonio)propyl]phosphinate, and 3-(1,1,1,2-tetramethylhydrazin-1-ium-2-yl)propanoate, sitting drop vapor technique, mixing of 0.001 ml of 7 mg/ml protein, 8 mM N-oxalylglycine and 4 mM inhibitor, with 0.001 ml of well solution containing 0.2 M ammonium citrate, 20% PEG 3350, 3% hexanediamine, and 10 mM ZnSO4, pH 7.0, X-ray diffraction structure determination and analysis at 1.70-2.40 A resolution |
1.14.11.1 | purified recombinant His-tagged GBBH, and SeMet-labeled variant, by sitting drop vapor diffusion technique, mixing 0.001 ml of 7 mg/ml protein in 20 mM Tris-HCl, pH 8.0, with 0.001 ml of reservoir solution containing 1.2 M ammonium sulfate and 100 mM sodium acetate, pH 4.5. In co-crystallization trials with ligands, each ligand is added to the reservoir solution to a final concentration of 5 mM, X-ray diffraction structure determination and analysis at 2.0 A and 3.5 A resolution, respectively |