>sp|P0C038|PPNP_ECOL6 Pyrimidine/purine nucleoside phosphorylase OS=Escherichia coli O6:H1 GN=ppnP MLQSNEYFSGKVKSIGFSSSSTGRASVGVMVEGEYTFSTAEPEEMTVISGALNVLLPDAT DWQVYEAGSVFNVPGHSEFHLQVAEPTSYLCRYL