>sp|Q47005|NAC_ECOLI Nitrogen assimilation regulatory protein nac OS=Escherichia coli (strain K12) OX=83333 GN=nac PE=3 SV=1 MNFRRLKYFVKIVDIGSLTQAAEVLHIAQPALSQQVATLEGELNQQLLIRTKRGVTPTDA GKILYTHARAILRQCEQAQLAVHNVGQALSGQVSIGFAPGTAASSITMPLLQAVRAEFPE IVIYLHENSGAVLNEKLINHQLDMAVIYEHSPVAGVSSQALLKEDLFLVGTQDCPGQSVD VNAIAQMNLFLPSDYSAIRLRVDEAFSLRRLTAKVIGEIESIATLTAAIASGMGVAVLPE SAARSLCGAVNGWMSRITTPSMSLSLSLNLPARANLSPQAQAVKELLMSVISSPVMEKRQ WQLVS