Photochemical Reduction of NADP+ by Zinc Protoporphyrin Reconstituted Myoglobin as a Simple Model of Photosystem I

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  • Katsuhiko Nishiyama
    Department of Applied Chemistry & Biochemistry, Faculty of Engineering, Kumamoto University2-39-1 Kurokami, Kumamoto
  • Miho Uchiyama
    Department of Applied Chemistry & Biochemistry, Faculty of Engineering, Kumamoto University2-39-1 Kurokami, Kumamoto
  • Yasuhiro Mie
    Department of Applied Chemistry & Biochemistry, Faculty of Engineering, Kumamoto University2-39-1 Kurokami, Kumamoto
  • Isao Taniguchi
    Department of Applied Chemistry & Biochemistry, Faculty of Engineering, Kumamoto University2-39-1 Kurokami, Kumamoto

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Abstract

<jats:title>Abstract</jats:title> <jats:p>Photoinduced electron transfer between zinc protoporphyrin reconstituted myoglobin (Zn-Mb) and NADP+ functions as a model of photosystem I by forming NADPH. The reduction efficiency of NADP+ depended strongly on the solution pH, which was explained by the difference in the redox potential and/or the static interaction between Zn-Mb and a sacrificial donor triethanolamine (TEA).</jats:p>

Journal

  • Chemistry Letters

    Chemistry Letters 28 (4), 357-358, 1999-04-01

    Oxford University Press (OUP)

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