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    • 31. 发明公开
    • Recombinant DNA expression vectors and DNA compounds
    • 重组DNA表达载体和DNA化合物
    • EP0200425A2
    • 1986-12-10
    • EP86302873.4
    • 1986-04-17
    • ELI LILLY AND COMPANY
    • Ingolia, Thomas DominickQueener, Stephen WyattSamson, Suellen MarySkatrud, Paul Luther
    • C12N15/80C12N9/00C12N15/69
    • The present invention comprises novel DNA compounds that encode isopenicillin N synthetase and also comprises related methods, transformants, and polypeptides. The novel isopenicillin N synthetase-encoding DNA, together with its associated transcriptional and translational activating sequence, was isolated from Cephalosporium acremonium and cloned into an E. coli cloning vector. The isopenicillin N synthetase-encoding DNA .has been used to construct novel E. coli expression vectors that drive expression of a stable, active, and novel isopenicillin N synthetase in E. coli. The intact C. acremonium isopenicillin N synthetase-encoding DNA and associated transcriptional and translational activating sequence have also been used to construct C. acremonium expression vectors that drive expression of the isopenicillin N synthetase in C . acremonium. The C. acremonium transcriptional and translational activating sequence has further been fused to a hygromycin phosphotransferase- encoding DNA segment and placed onto C. acremonium expression vectors. Useful derivatives of the novel compounds and vectors are also described.
    • 本发明包含编码异青霉素N合成酶的新型DNA化合物,并且还包含相关方法,转化体和多肽。 新颖的异青霉素N合成酶编码DNA及其相关的转录和翻译活化序列从顶头孢霉中分离并克隆到大肠杆菌克隆载体中。 编码异青霉素N合成酶的DNA已用于构建新的大肠杆菌表达载体,其驱动大肠杆菌中稳定,活性和新颖的异青霉素N合成酶的表达。 完整的顶头孢霉异青霉素N合成酶编码DNA和相关的转录和翻译活化序列也已被用于构建促进异青霉素N合成酶在C中表达的顶头孢霉表达载体。 顶头孢菌。 顶头孢霉转录和翻译活化序列还与潮霉素磷酸转移酶编码DNA片段融合并置于顶头孢霉表达载体上。 还描述了新化合物和载体的有用衍生物。