2.6.1.55 | enzyme in complex with pyridoxal 5'-phosphate and glutamate, hanging-drop vapor diffusion method, mixing of 15 mg/ml protein solution with reservoir solution containing 0.1 M MES, pH 5.0, 0.2 M ammonium chloride, 20% w/v PEG 6000, 0.5 mM PLP, and 100 mM glutamate, X-ray diffraction structure determination and analysis at 2.7 A resolution |