>tr|B7MWC1|B7MWC1_ECO81 DNA-binding transcriptional dual regulator of nitrogen assimilation OS=Escherichia coli O81 GN=nac MNFRRLKYFVKIVDIGSLTQAAEVLHIAQPALSQQVATLEGELNQQLLIRTKRGVTPTDA GKILYTHARAILRQCEQAQLAVHNVGQALSGQVSIGFAPGTAASSITMPLLQAVRAEFPE IVIYLHENSGAVLNEKLINHQLDMAVIYEHSPVAGVSSQALLKEDLFLVGTQDCPGQSVD VNAIAQMNLFLPSDYSAIRLRVDEAFSLRRLTAKVIGEIESIATLTAAIASGMGVAVLPE SAARSLCGAVNGWMSRITTPSMSLSLSLNLPARANLSPQAQAVKELLMSVISSPVMEKRQ WQLVS