>sp|B7MD50|PPNP_ECO45 Pyrimidine/purine nucleoside phosphorylase OS=Escherichia coli O45:K1 GN=ppnP MLQSNEYFSGKVKSIGFSSSSTGRASVGVMVEGEYTFSTAEPEEMTVISGALNVLLPDAT DWQVYEAGSVFNVPGHSEFHLQVAEPTSYLCRYL