>5JEF_1|Chains A, B|Nitrate/nitrite sensor protein NarQ|Escherichia coli (strain K12) (83333) MIVKRPVSASLARAFFYIVLLSILSTGIALLTLASSLRDAEAINIAGSLRMQSYRLGYDLQSGSPQLNAHRQLFQQALHSPVLTNLNVWYVPEAVKTRYAHLNANWLEMNNRLSKGDLPWYQANINNYVNQIDLFVLALQHYAERKMLLVVAISLAGGIGIFTLVFFTLRRIRHQVVAPLNQLVTASQRIEHGQFDSPPLDTNLPNELGLLAKTFNQMSSELHKLYRSLEHHHHHH