首页> 外国专利> A process for producing beta-galactosidase recombinant Thermus sp. (Strain t2) in host cells, and purifying in a single chromatographic step.

A process for producing beta-galactosidase recombinant Thermus sp. (Strain t2) in host cells, and purifying in a single chromatographic step.

机译:生产β-半乳糖苷酶重组Thermus sp。的方法。 (菌株t2)在宿主细胞中,并在单个色谱步骤中纯化。

摘要

A process for producing recombinant {b galactosidase Themus SP. (Cepa T2) in host cells, and purifying in a single chromatographic step. Unpublished sequence nucleotides corresponding to a gene of Thermus sp. (Cepa T2: ATCC 27737) and encoding a thermostable boot-galactosidase. Obtaining genetic expression for high said nucleotide sequence in cells Eacherichia coli by its cloning expression vectors constructs. Purification of a hybrid protein with beta-galactosidase activity produced thermostable in E. coli in a single chromatographic step. This chimeric protein thermostable has application in hydrolysis of milk and milk products, reducing the lactose content in effluent sera dairy, cold labeling nucleic acid probes by conjugation therewith, synthesis of oligosaccharides by transglycosylation and rapid evaluation of treatments moderate heat.
机译:生产重组{b半乳糖苷酶Themus SP的方法。 (Cepa T2)在宿主细胞中,并在单个色谱步骤中纯化。对应于Thermus sp。基因的未公开序列核苷酸。 (Cepa T2:ATCC 27737)并编码热稳定的引导半乳糖苷酶。通过其克隆表达载体构建体在大肠杆菌细胞中获得高核苷酸序列的遗传表达。具有β-半乳糖苷酶活性的杂交蛋白的纯化在单个色谱步骤中在大肠杆菌中产生了热稳定性。该嵌合蛋白是热稳定的,可用于乳和乳制品的水解,降低流出物血清乳制品中的乳糖含量,通过与之缀合来冷标记核酸探针,通过转糖基化合成寡糖和对中度加热的快速评价。

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