Hyperthermostable .beta.-galactosidase gene, enzyme encoded thereby, and
process for production
    74.
    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。

    Aureobasidins
    75.
    发明授权

    公开(公告)号:US5698670A

    公开(公告)日:1997-12-16

    申请号:US505255

    申请日:1995-08-16

    CPC分类号: C07K11/02 A61K38/00

    摘要: This invention relates to Aureobasidins useful as an antifungal agent having broader spectrum. The compound according to this invention includes a cyclic depsipeptide consisting of one hydroxy acid residue having A.sup.1, 3 amino acid residues having C.sup.1, F.sup.1 and H.sup.1, respectively, 4 N-methylamino acid residues having B.sup.1, D.sup.1, G.sup.1 and I.sup.1, respectively, and 1 cyclic amino acid residue having E.sup.1. The typical compound includes one wherein A.sup.1 is CH.sub.3 CH.sub.2 CH(CH.sub.3)--, B.sup.1 is (CH.sub.3).sub.2 CH--, C.sup.1 is benzyl, cyclohexylmethyl, p-fluorobenzyl, benzyloxymethyl, benzyloxybenzyl, methoxybenzyl, cyclohexylmethyloxybenzyl or the like, D.sup.1 is methyl, benzyl, hydroxymethyl or the like, E.sup.1 is --(CH.sub.2).sub.3 --, F.sup.1 is CH.sub.3 CH.sub.2 CH(CH.sub.3)--, G.sup.1 is (CH.sub.3).sub.2 CH--, H.sup.1 is (CH.sub.3).sub.2 CHCH.sub.2 -- and I.sup.1 is (CH.sub.3).sub.2 C(OH)--. The compound according to this invention has an excellent activity against not only Candida but also Cryptococcus and Aspergillus.

    摘要翻译: PCT No.PCT / JP94 / 02201 Sec。 371日期:1995年8月16日 102(e)日期1995年8月16日PCT 1994年12月26日PCT公布。 出版物WO95 / 18147 日期1995年7月6日本发明涉及可用作具有更宽光谱的抗真菌剂的Aureobasidins。 根据本发明的化合物包括由一个具有A1的羟基酸残基,具有C1,F1和H1的3个氨基酸残基,分别具有B1,D1,G1和I1的4个N-甲基氨基酸残基的环状缩肽,以及 1个具有E1的环状氨基酸残基。 典型的化合物包括其中A 1为CH 3 CH 2 CH(CH 3) - ,B 1为(CH 3)2 CH-,C 1为苄基,环己基甲基,对氟苄基,苄氧基甲基,苄氧基苄基,甲氧基苄基,环己基甲氧基苄基等的化合物,D1为甲基,苄基, 等等,E1是 - (CH 2)3 - ,F1是CH 3 CH 2 CH(CH 3) - ,G 1是(CH 3)2 CH-,H 1是(CH 3)2 CHCH 2 - 且I 1是(CH 3)2 C(OH) - 。 根据本发明的化合物对假丝酵母不仅具有优异的活性,而且对隐球菌和曲霉也具有优异的活性。