Chiral Selectivity in Inter-reactant Recognition and Electron Transfer of the Oxidation of Horse Heart Cytochrome c by Trioxalatocobaltate(III)

Renat R. Nazmutdinov, Michael D. Bronshtein, Tamara T. Zinkicheva, Niels Sthen Hansen, Jingdong Zhang, Jens Ulstrup

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We have studied electron transfer between cytochrome c and the chiral transition-metal complex pair Λ- and Δ-[Co(Ox)3]3− (Ox2− = oxalate) via strong ion-pair formation. Chirality was found in both ion-pair formation and electron transfer, with the Λ enantiomer the more strongly bound and faster reacting. Investigations of the chirality using electron-transfer theory combined with quantum-chemical and statistical-mechanical calculations showed that chirality is solely in inter-reactant interaction and electronic overlap.
Original languageEnglish
JournalInorganic Chemistry
Issue number18
Pages (from-to)9335-9345
Number of pages11
Publication statusPublished - 2016

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