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Purification of native NanR. Lane 1, molecular mass markers with masses (in kilodaltons) on the left. Lane 2, 31 μg of induced soluble extract. Lane 3, 3.5 μg of purified native NanR with the amino acid sequence of the first 10 residues on the right. The N-terminal methionine shown in parentheses is apparently removed in vivo.
