>tr|A0A4P7TSK9|A0A4P7TSK9_SHIFM Nickel-responsive regulator OS=Shigella flexneri serotype 5a GN=nikR MQRVTITLDDDLLETLDSLSQRRGYNNRSEAIRDILRSALAQEATQQHGTQGFAVLSYVY EHEKRDLASRIVSTQHHHHDLSVATLHVHINHDDCLEIAVLKGDMGDVQHFADDVIAQRG VRHGHLQCLPKED