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. 2018 Jun 29;9:1398. doi: 10.3389/fmicb.2018.01398

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Copyright © 2018 Sun, Lyu, Wen, Song, Li and Chen.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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DNase I footprinting assay of ohrR–ohrB2 intergenic region using His₆-OhrR. (A) Fluorograms corresponding to control DNA and to protected reactions with 0.4 and 0.8 μM His₆-OhrR. (B) Nucleotide sequences of ohrR–ohrB2 intergenic region. Non-shaded boxes: presumed –35 and –10 regions of ohrR and ohrB2. Shaded boxes: regions protected by His₆-OhrR. Underlining: OhrR motif (site a and site b). Gray bent arrows: translational start codons. Black bent arrows: TSSs. (C) Consensus sequence of OhrR motif.