>sp|A1A863|PPNP_ECOK1 Pyrimidine/purine nucleoside phosphorylase OS=Escherichia coli O1:K1 / APEC GN=ppnP MLQSNEYFSGKVKSIGFSSSSTGRASVGVMVEGEYTFSTAEPEEMTVISGALNVLLPDAT DWQVYEAGSVFNVPGHSEFHLQVAEPTSYLCRYL