Issue 55, 2015
From the journal:

Chemical Communications

Energy migration within hexameric hemoprotein reconstituted with Zn porphyrinoid molecules†

Koji Oohora,a   Tsuyoshi Mashima,a   Kei Ohkubo,bc   Shunichi Fukuzumibcd  and  Takashi Hayashi*a  

* Corresponding authors

a Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita 565-0871, Japan
E-mail: thayashi@chem.eng.osaka-u.ac.jp

b Department of Material and Life Science, Graduate School of Engineering, Osaka University, ALCA and SENTAN, Japan Science and Technology (JST), Suita, Osaka 565-0871, Japan

c Department of Bioinspired Science, Ewha Womans University, Seoul 120-750, Korea

d Faculty of Science and Technology, Meijo University, ALCA and SENTAN, Japan Science and Technology (JST), Nagoya, Aichi 468-8502, Japan

Abstract

Photosensitizers, Zn protoporphyrin IX and Zn chlorin e6, are completely inserted into each heme pocket of a hexameric apohemoprotein. The fluorescence quenching efficiencies upon addition of methyl viologen are 2.3 and 2.6 fold-higher than those of the partially photosensitizer-inserted proteins, respectively, indicating that the energy migration occurs within the proteins.

Graphical abstract: Energy migration within hexameric hemoprotein reconstituted with Zn porphyrinoid molecules

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Article information

DOI
https://doi.org/10.1039/C5CC02680F
Article type
Communication
Submitted
31 Mar 2015
Accepted
02 Jun 2015
First published
02 Jun 2015
This article is Open Access
Creative Commons BY-NC license

Chem. Commun., 2015,51, 11138-11140

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Energy migration within hexameric hemoprotein reconstituted with Zn porphyrinoid molecules

K. Oohora, T. Mashima, K. Ohkubo, S. Fukuzumi and T. Hayashi, Chem. Commun., 2015, 51, 11138 DOI: 10.1039/C5CC02680F

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