Krypton-derivatization highlights O2-channeling in a four-electron reducing 
oxidase

Engilberge, Sylvain; Wagner, Tristan; Carpentier, Philippe; Girard, Eric; Shima, Seigo

doi:10.1039/d0cc04557h

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Krypton-derivatization highlights O₂-channeling in a four-electron reducing oxidase

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Shima, Seigo
Department-Independent Research Group Microbial Protein Structure, Max Planck Institute for Terrestrial Microbiology, Max Planck Society;

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引用

Engilberge, S., Wagner, T., Carpentier, P., Girard, E., & Shima, S. (2020). Krypton-derivatization highlights O₂-channeling in a four-electron reducing oxidase. Chemical Communications, 56, 10863-10866. doi:10.1039/d0cc04557h.

引用: https://hdl.handle.net/21.11116/0000-0008-F327-A

要旨

F420H2-oxidase (FprA) catalyses the four-electron reduction of O(2)to 2H(2)O using the reduced form of F(420)as electron donor. The hydrophobic O-2-channel detected by Kr-derivatization and the concerted movement of a gating loop could contribute to prevent unwanted side-reaction between the catalytic intermediates and solvents, therefore preventing reactive oxygen species formation.