>sp|P77788|NUDG_ECOLI CTP pyrophosphohydrolase OS=Escherichia coli GN=nudG MKMIEVVAAIIERDGKILLAQRPAQSDQAGLWEFAGGKVEPDESQRQALVRELREELGIE ATVGEYVASHQREVSGRIIHLHAWHVPDFHGTLQAHEHQALVWCSPEEALQYPLAPADIP LLEAFMALRAARPAD