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Wiring an [FeFe]-Hydrogenase with Photosystem I for Light-Induced Hydrogen Production

机译：用光系统I连接[FeFe]-加氢酶以产生光诱导氢

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摘要

A molecular wire is used to connect two proteinsnthrough their physiologically relevant redox cofactors tonfacilitate direct electron transfer. Photosystem I (PS I) andnan [FeFe]-hydrogenase (H2ase) serve as the test bed for thisnnew technology. By tethering a photosensitizer with anhydrogen-evolving catalyst, attached by Fe-S coordinationnbonds between the FB iron-sulfur cluster of PS I and thendistal iron-sulfur cluster of H2ase, we assayed electronntransfer between the two components via light-inducednhydrogen generation. These hydrogen-producing nanocon-nstructs self-assemble when the PS I variant, the H2asenvariant, and the molecular wire are combined.
机译：分子线用于通过其生理学相关的氧化还原辅因子连接两种蛋白质，从而促进直接电子转移。光系统I（PS I）和纳米[FeFe]氢化酶（H2ase）充当了这项新技术的试验台。通过将光敏剂与放氢的催化剂束缚在一起，并通过Fe-S配位键将PS I的FB铁硫簇与H2ase的远端铁硫簇之间的Fe-S配位键相连，我们通过光诱导氢的生成测定了两个组分之间的电子转移。当PS I变体，H2asenvariant和分子线结合在一起时，这些产氢的纳米结构就会自组装。

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  • 来源
    《Biochemistry》 |2010年第48期|p.10264-10266|共3页
  • 作者

    Carolyn E. Lubner Philipp Knrzer Paulo J. N. Silva Kylie A. Vincent Thomas Happe Donald A. Bryant and John H. Golbeck;

  • 作者单位

    ‡Department of Chemistry, The Pennsylvania StateUniversity,University Park, Pennsylvania 16802,United States,§Ruhr-Universit€ atBochum, Lehrstuhl f€ ur Biochemie der Pflanzen, AG Photobiotechnologie, 44780 Bochum, Germany,) Department of Biochemistryand Molecular Biology, The Pennsylvania State University, University Park, Pennsylvania 16802, United States, and ^InorganicChemistry Laboratory, Department of Chemistry, University of Oxford, South Parks Road, Oxford OX1 3QR, United Kingdom.@These authors contributed equally to this work.;

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