>tr|W1F2U9|W1F2U9_ECOLX Pyrimidine/purine nucleoside phosphorylase OS=Escherichia coli ISC7 GN=ppnP
MLQSNEYFSGKVKSIGFSSSSTGRASVGVMVEGEYTFSTAEPEEMTVISGALNVLLPDAT
DWQVYEAGSVFNVPGHSEFHLQVAEPTSYLCRYL