>tr|A0A3V2W1J4|A0A3V2W1J4_SALHA Nickel-responsive regulator OS=Salmonella hadar GN=nikR MQRVTITLDDDLLETLDSLSQRRGYNNRSEAIRDILRGALAQEATQEHGTQGFAVLSYVY EHEKRDLASRIVSTQHHHHDLSVATLHVHINHDDCLEIAVLKGDMGDVQHFADDVIAQRG VRHGHLQCLPKED