>sp|Q57IP3|NIKR_SALCH Nickel-responsive regulator OS=Salmonella choleraesuis GN=nikR MQRVTITLDDDLLETLDSLSQRRGYNNRSEAIRDILRGALAQEATQEHGTQGFAVLSYVY EHEKRDLASRIVSTQHHHHDLSVATLHVHINHDDCLEIAVLKGDMGDVQHFADDVIAQRG VRHGHLQCLPKED