>sp|Q0SZJ2|NIKR_SHIF8 Nickel-responsive regulator OS=Shigella flexneri serotype 5b GN=nikR MQRVTITLDDDLLETLDSLSQRRGYNNRSEAIRDILRSALAQEATQQHGTQGFAVLSYVY EHEKRDLASRIVSTQHHHHDLSVATLHVHINHDDCLEIAVLKGDMGDVQHFADDVIAQRG VRHGHLQCLPKED