Biological Advantage of the Arrangements of C-Phycocyanin Chromophores in Phycobilisome from the Electronic Energy Transfer Viewpoint

DOI PDF 被引用文献4件 参考文献58件 オープンアクセス
  • Kenji Mishima
    Center for Computational Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577 , Japan
  • Mitsuo Shoji
    Center for Computational Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577 , Japan
  • Yasufumi Umena
    Synchrotron Radiation Research Center, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603 , Japan
  • Yasuteru Shigeta
    Center for Computational Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577 , Japan

書誌事項

公開日
2023-04
資源種別
journal article
権利情報
  • https://academic.oup.com/pages/standard-publication-reuse-rights
DOI
  • 10.1246/bcsj.20220334
公開者
Oxford University Press (OUP)

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説明

<jats:title>Abstract</jats:title> <jats:p>In the present study, we report the electronic energy transfer (EET) rate and the EET dynamics in the hexamer of C-phycocyanin (C-PC). The EET rate for the Förster theory was calculated by a quantum chemical method and a master equation was used to describe the dynamics. Our calculation results suggest that the natural arrangements of phycocyanobilin (PCB) chromophores α84, β84, and β155 in C-PC are cooperatively well-adjusted to achieve the shortest EET time-length. It is the appropriate regular periodicity of the intermolecular distances and intermolecular angles of the ground and the first excited transition dipole moments of PCBs α84, β84, and β155, i.e., the three-fold symmetry and stacking order of their layers found in terrestrial plants and algae, that are some of the most important requisites in achieving such a highly efficient EET in PBS.</jats:p>

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