>sp|P0AC55|GLNK_ECOLI Nitrogen regulatory protein GlnK OS=Escherichia coli GN=glnK MKLVTVIIKPFKLEDVREALSSIGIQGLTVTEVKGFGRQKGHAELYRGAEYSVNFLPKVK IDVAIADDQLDEVIDIVSKAAYTGKIGDGKIFVAELQRVIRIRTGEADEAAL