>tr|A0A7Z1EQH4|A0A7Z1EQH4_SHIFL Nitrogen assimilation regulatory protein nac OS=Shigella flexneri GN=CEG97_00370 MNFRRLKYFVKIVDIGSLTQAAEVLHIAQPALSQQVATLEGELNQQLLIRTKRGVTPTDA GKILYTHARAILRQCEQAQLAVHNVGQALSGQVSIGFAPGTAASSITMPLLQAVRAEFPE IVIYLHENSGAVLNEKLINHQLDMAVIYEHSPVAGVSSQALLKEDLFLVGTQDCPGQSVD VNAIAQMNLFLPSDYSAIRLRVDEAFSLRRLTAKVIGEIESIATLTAAIASGMGVAVLPE SAARSLCGAVNGWMSRITTPSMSLSLSLNLPARANLSPQAQAVKELLMSVISSPVMEKRQ WQLVS