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. 2012 Sep 25;287(46):38812–38823. doi: 10.1074/jbc.M112.406173

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© 2012 by The American Society for Biochemistry and Molecular Biology, Inc.

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FIGURE 8. — PcuC and ScoI are involved in cbb₃ oxidase biogenesis in bacteroids. A, relative cytochrome c oxidase activity of anaerobically grown wild type (wt) and strains 6611 (ΔpcuABCDE), COX132 (coxA::Tn5), and 3613 (fixN::Tn5). Wild-type activity corresponds to 0.891 μmol of horse heart cytochrome c oxidized/mg of membrane protein/min. B, relative cytochrome c oxidase activity of bacteroid membrane proteins from wild type (wt) and strains 6611 (ΔpcuABCDE), 6611-34 (ΔpcuC), 2575 (ΔscoI), COX132 (coxA::Tn5), and 3613 (fixN::Tn5). Wild-type activity corresponds to 1.15 μmol of horse heart cytochrome c oxidized/mg of membrane protein/min. Error bars, S.D.