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. 2016 Mar 14;291(18):9818–9826. doi: 10.1074/jbc.M116.715227

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© 2016 by The American Society for Biochemistry and Molecular Biology, Inc.

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FIGURE 7. — Functional impact of disulfide cross-linking as measured in the drug accumulation assay. The accumulation of R6G or ethidium (ET) in cells expressing the NorM-NG variants, in the absence or presence of copper phenanthroline (Cu) and DTT. The results represent means ± S.D. (error bars) of at least three independent experiments performed in duplicate. The data are given as percentages of the values for cells expressing the inactive D41A in the presence of both copper phenanthroline and DTT.