Biochemistry. 2012 May 8;51(18):3827-38. doi: 10.1021/bi300151q. Epub 2012 Apr 22.
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Exploring by pulsed EPR the electronic structure of ubisemiquinone bound at the QH site of cytochrome bo3 from Escherichia coli with in vivo 13C-labeled methyl and methoxy substituents.
