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首页> 外文期刊>Acta crystallographica.Section D. Biological crystallography >Crystallization and preliminary X-ray diffraction analysis of Wza outer-membrane lipoprotein from Escherichia coli serotype O9a : K30
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Crystallization and preliminary X-ray diffraction analysis of Wza outer-membrane lipoprotein from Escherichia coli serotype O9a : K30

机译:结晶和初步的x射线衍射分析Wza外膜脂蛋白大肠杆菌血清型O9a: K30

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摘要

A novel integral membrane lipoprotein, Wza, from Escherichia coli serotype O9a:K30 has been purified and crystallized. Wza is required for the surface expression of the serotype K30 group 1 capsular polysaccharide of E. coli; closely related homologues are found in other bacteria that produce extracellular polysaccharides. The Wza crystals belong to the orthorhombic space group P2(1)2(1)2(1), with unit-cell parameters a=94.6, b=215.5, c=218.5 Angstrom. A data set to 3.0 Angstrom with 99.8% completeness and an R-merge of 10.5% has been collected from a single crystal.
机译:Wza,从小说整体膜脂蛋白大肠杆菌血清型O9a: K30纯化和结晶。血清型的表面表达K30组1大肠杆菌荚膜多糖;相关的同系物中发现其他细菌产生胞外多糖。Wza晶体属于斜方晶系的空间集团P2(1) 2(1) 2(1),与晶胞参数b = 215.5 = 94.6, c = 218.5埃。3.0埃,完整性和一个99.8%已经收集了从单一R-merge 10.5%晶体。

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