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首页> 外文期刊>Acta crystallographica.Section D. Biological crystallography >Expression, crystallization and preliminary X-ray diffraction studies of N-carbamyl-D-amino-acid amidohydrolase from Agrobacterium radiobacter.
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Expression, crystallization and preliminary X-ray diffraction studies of N-carbamyl-D-amino-acid amidohydrolase from Agrobacterium radiobacter.

机译:表达、结晶和初步的x射线衍射研究N-carbamyl-D-amino-acid从农杆菌radiobacter酰胺水解酶。

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摘要

The Agrobacterium radiobacter CCRC 14924 N-carbamyl-D-amino-acid amidohydrolase, the enzyme used for production of D-amino acids, was overexpressed in Escherichia coli JM109. The expressed protein was crystallized by vapour diffusion using lithium sulfate as precipitant. It crystallizes in space group P21 with unit-cell parameters a = 69.8, b = 67.9 and c = 137.8 A and beta = 96.4 degrees. There are four molecules per asymmetric unit. Crystals diffract to 2.8 A resolution using a rotating-anode source at cryogenic (113 K) temperatures.
机译:农杆菌radiobacter CCRC 14924N-carbamyl-D-amino-acid酰胺水解酶,酶分子酸用于生产,在大肠杆菌JM109。表达的蛋白质被蒸发结晶扩散使用硫酸锂作为沉淀剂。它与单胞P21在空间群结晶参数= 69.8,b = 67.9和c = 137.8β= 96.4度。不对称单元。使用一个旋转阳极来源的决议低温(113 K)的温度。

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