Photo-Induced Dna Cleavage By Zinc-Substituted Myoglobin With A Redesigned Active Center

Zhen-Hua Shi,Ke-Jie Du,Bo He,Shu-Qin Gao,Ge-Bo Wen,Ying-Wu Lin

INORGANIC CHEMISTRY FRONTIERS（2017）

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摘要

Myoglobin with a redesigned active center was constructed and reconstituted with zinc protoporphyrin (ZnPP), which was shown to exhibit novel photo-induced DNA cleavage activities, involving a hydroxyl radical ((OH)-O-center dot) with a minor contribution from singlet oxygen (O-1(2)), as confirmed by spin-trapping studies for the first time.

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