>sp|B2U3Z3|PPNP_SHIB3 Pyrimidine/purine nucleoside phosphorylase OS=Shigella boydii serotype 18 (strain CDC 3083-94 / BS512) OX=344609 GN=ppnP PE=3 SV=1 MLQSNEYFSGKVKSIGFSSSSTGRASVGVMVEGEYTFSTAEPEEMTVISGALNVLLPDAT DWQVYEAGSVFNVPGHSEFHLQVAEPTSYLCRYL