>tr|A0A1X3J5Z2|A0A1X3J5Z2_ECOLX Pyrimidine/purine nucleoside phosphorylase OS=Escherichia coli TA447 GN=ppnP MLQSNEYFSGKVKSIGFSSSSTGRASVGVMVEGEYTFSTAEPEEMTVISGALNVLLPDAT DWQVYEAGSVFNVPGHSEFHLQVAEPTSYLCRYL