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A schematic representation of the position and size of the resistance-nodulation-cell division (RND) efflux pump genes in the genome of Escherichia coli str. K-12 substr. W3110. RND genes are described in red, membrane fusion protein (MFP) in green, and the outer membrane protein (OMP) in blue. Small proteins such as AcrZ and CusF are indicated in beige. Regulators are marked with the color yellow.
