>tr|A0A5I2XD31|A0A5I2XD31_SALPO Nickel-responsive regulator OS=Salmonella potsdam GN=nikR MQRVTITLDDDLLETLDSLSQRRGYNNRSEAIRDILRGALAQEATQEHGTQGFAVLSYVY EHEKRDLASRIVSTQHHHHDLSVATLHVHINHDDCLEIAVLKGDMGDVQHFADDVIAQRG VRHGHLQCLPKED