Hyperthermostable .beta.-galactosidase gene, enzyme encoded thereby, and
process for production
    82.
    发明授权
    Hyperthermostable .beta.-galactosidase gene, enzyme encoded thereby, and process for production 失效
    超热稳定性β-半乳糖苷酶基因,由此编码的酶,以及生产方法

    公开(公告)号:US5744345A

    公开(公告)日:1998-04-28

    申请号:US489733

    申请日:1995-06-14

    IPC分类号: C12N9/38 C12N15/56

    CPC分类号: C12Y302/01023 C12N9/2471

    摘要: An isolated hyperthermostable .beta.-galactosidase gene derived from Pyrococcus furiosus is described. Examples include DNA sequences shown in SEQ ID NO. 2 and SEQ ID NO. 4 and DNAs hybridizable with these DNAs. A method of cloning the hyperthermostable .beta.-galactosidase gene in which each of the above sequences or portions thereof is used as a probe or primer is described. A process for producing a hyperthermostable .beta.-galactosidase by culturing a transformant into which a plasmid containing each of the above genes has been introduced is described. A particularly preferred gene encodes an SDS-resistant hyperthermostable .beta.-galactosidase.

    摘要翻译: 描述了源自激烈热球菌的分离的超热稳定性β-半乳糖苷酶基因。 实例包括SEQ ID NO: 2和SEQ ID NO。 4和DNA可与这些DNA杂交。 描述了将上述每个上述序列或其部分用作探针或引物的克隆超热稳定性β-半乳糖苷酶基因的方法。 描述了通过培养其中已经引入了含有上述每种基因的质粒的转化体来生产超热稳定性β-半乳糖苷酶的方法。 特别优选的基因编码SDS-抗性超热稳定性β-半乳糖苷酶。