>tr|W1WMG1|W1WMG1_ECOLX Nickel-responsive regulator OS=Escherichia coli DORA_A_5_14_21 GN=nikR MQRVTITLDDDLLETLDSLSQRRGYNNRSEAIRDILRSALAQEATQQHGTQGFAVLSYVY EHEKRDLASRIVSTQHHHHDLSVATLHVHINHDDCLEIAVLKGDMGDVQHFADDVIAQRG VRHGHLQCLPKED