>tr|E6BHL7|E6BHL7_ECOLX Pyrimidine/purine nucleoside phosphorylase OS=Escherichia coli MS 85-1 GN=ppnP MLQSNEYFSGKVKSIGFSSSSTGRASVGVMVEGEYTFSTAEPEEMTVISGALNVLLPDAT DWQVYEAGSVFNVPGHSEFHLQVAEPTSYLCRYL