>sp|B7M3N0|PPNP_ECO8A Pyrimidine/purine nucleoside phosphorylase OS=Escherichia coli O8 GN=ppnP MLQSNEYFSGKVKSIGFSSSSTGRASVGVMVEGEYTFSTAEPEEMTVISGALNVLLPDAT DWQVYEAGSVFNVPGHSEFHLQVAEPTSYLCRYL