>tr|I6D5Y2|I6D5Y2_SHIFL Pyrimidine/purine nucleoside phosphorylase OS=Shigella flexneri K-315 GN=ppnP MLQSNEYFSGKVKSIGFSSSSTGRASVGVMVEGEYTFSTAEPEEMTVISGALNVLLPDAT DWQVYEAGSVFNVPGHSEFHLQVAEPTSYLCRYL