>sp|P77788|NUDG_ECOLI CTP pyrophosphohydrolase OS=Escherichia coli (strain K12) OX=83333 GN=nudG PE=1 SV=1 MKMIEVVAAIIERDGKILLAQRPAQSDQAGLWEFAGGKVEPDESQRQALVRELREELGIE ATVGEYVASHQREVSGRIIHLHAWHVPDFHGTLQAHEHQALVWCSPEEALQYPLAPADIP LLEAFMALRAARPAD