>3QSI_1|Chains A, B, C, D, E, F, G, H, I, J|NikR nickel-responsive regulator|Helicobacter pylori (210) DESKIAVLVVIYDHHQRELNQRMIDIQHASGTHVLCTTHIHMDEHNCLETIILQGNSFEIQRLQLEIGGLRGVKFAKLTKASSFEYNE