Photocurrent generation from hierarchical zinc-substituted hemoprotein assemblies immobilized on a gold electrode |
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| Authors: | Onoda Akira Kakikura Yasuaki Uematsu Taro Kuwabata Susumu Hayashi Takashi |
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| Affiliation: | Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Japan. |
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| Abstract: | All connected: a protein-immobilized electrode comprising hierarchical assemblies of photoactive cytochrome b(562) reconstituted with zinc protoporphyrin IX exhibits remarkably enhanced photocurrent generation relative to an electrode bearing a single zinc-substituted hemoprotein layer. The protein oligomers, which bear a covalently linked protoporphyrin group, assemble by a supramolecular heme/heme pocket interaction. |
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| Keywords: | cytochromes hemoproteins host–guest systems photochemistry porphyrinoids |
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