Oxidative Activities of Heterologously Expressed CYP107B1 and CYP105D1 in Whole-Cell Biotransformation Using Streptomyces lividans TK24(ENZYMOLOGY, PROTEIN ENGINEERING, AND ENZYME TECHNOLOGY)

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概要

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• Cytochrome P450 enzymes are a major class of biocatalysts related to the oxidative metabolism of many drugs, assisted by electron transfer partners. The functional expression of the P450 gene in a heterologous host will lead to efficient biotransformation and biodegradation, which are useful in pharmaceutical improvement or environmental cleanup. The soluble cytochrome P450 monooxygenase systems CYP105D1 and CYP107B1 involved in the biotransformation of some xenobiotics, such as secondary metabolites or environmental pollutants, were expressed in Streptomyces lividans TK24 with the Streptomyces expression vector pIJ6021. In whole-cell biotransformation assay using these recombinant strains, the oxidative dealkylation of 7-ethoxycoumarin was detected without any foreign redox partners in the case of CYP107B1, while the activity of CYP105D1 was not monitored until this gene was coexpressed with the ferredoxin gene located downstream of the CYP105D1 gene, and the ferredoxin reductase gene SCF 15.02 from Streptomyces coelicolor A3(II). This result suggests that CYP107B1 is capable of utilizing an endogenous electron transfer partner from the host but not CYP105D1, and that CYP105D1 is complemented by some redox partner imported from closely related strains.

• 社団法人日本生物工学会の論文
• 2005-11-25

著者

• Fujie Akihiko

  Fermentation Research Laboratories Fujisawa Pharmaceutical Co. Ltd.

• HASHIMOTO Michizane

  Fermentation Research Laboratories, Drug Discovery Research, Astellas Pharma Inc.

• HINO Motohiro

  Fermentation Research Laboratories, Fujisawa Pharmaceutical Co., Ltd.

• Hashimoto Michizane

  Fermentation Research Laboratories Drug Discovery Research Astellas Pharma Inc.

• Hashimoto Michizane

  Exploratory Research Laboratories Fujisawa Pharmaceutical Co. Ltd.

• Hino Motohiro

  Fermentation Research Laboratories Fujisawa Pharmaceutical Co. Ltd.

• Fujie Akihiko

  Fermentation Research Laboratories Astellas Pharma Inc.

• UENO MOTOI

  Fermentation Research Laboratories, Fujisawa Pharmaceutical Co., Ltd.

• Yamashita Midori

  Fermentation Research Laboratories, Fujisawa Pharmaceutical Co., Ltd.

• Ueno Motoi

  Fermentation Research Laboratories Fujisawa Pharmaceutical Co. Ltd.

• Fujie Akihiko

  Exploratory Research Laboratories Fujisawa Pharmaceutical Co. Ltd.

• Hino Motohiro

  Exploratory Research Laboratories Fujisawa Pharmaceutical Co. Ltd.

• Hino Motohiro

  Fermentation Research Laboratories Drug Discovery Research Astellas Pharma Inc.

• Yamashita Midori

  Fermentation Research Laboratories Fujisawa Pharmaceutical Co. Ltd.

• Hino Motohiro

  Fermentation And Biotechnology Laboratories Astellas Pharma Inc.

• Hashimoto Michizane

  Fermentation And Biotechnology Laboratories

• Ueno Motoi

  Fermentation Research Labs Astellas Pharma Inc.

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