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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Bacterial nodulation protein NodZ is a chitin oligosaccharide fucosyltransferase which can also recognize related substrates of animal origin
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Bacterial nodulation protein NodZ is a chitin oligosaccharide fucosyltransferase which can also recognize related substrates of animal origin

机译:细菌结节蛋白NodZ是几丁质寡糖岩藻糖基转移酶,也可以识别动物来源的相关底物

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摘要

The nodZ gene, which is present in various soil bacteria such as Bradyrhizobium japonicum, Azorhizobium cauli- nodans, and Rhizobium loti, is involved in the addition of a fucosyl residue to the reducing N-acetylglucosamine residue of lipochitin oligosaccharide (LCO) signal molecules. Using an Escherichia coli strain that produces large quantities of the NodZ protein of B. japonicum, we have purified the NodZ protein to homogeneity. The purified NodZ protein appears to be active in an in vitro transfucosylation assay in which GDP-β-fucose and LCOs or chitin oligosaccharides are used as substrates.
机译:存在于各种土壤细菌中的nodZ基因,例如日本短枝根瘤菌,菜豆根瘤菌和Lothi根瘤菌,都涉及在岩藻糖基寡糖(LCO)信号分子的还原N-乙酰氨基葡萄糖残基上添加岩藻糖基残基。使用产生大量日本根瘤菌NodZ蛋白的大肠杆菌菌株,我们已将NodZ蛋白纯化至同质。纯化的NodZ蛋白似乎在体外转岩藻糖基化测定中具有活性,其中GDP-β-岩藻糖和LCOs或几丁质寡糖被用作底物。

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