>AF_AFB1XEY0F1_1|Chain A|Pyrimidine/purine nucleoside phosphorylase|Escherichia coli (strain K12 / DH10B) (316385) MLQSNEYFSGKVKSIGFSSSSTGRASVGVMVEGEYTFSTAEPEEMTVISGALNVLLPDATDWQVYEAGSVFNVPGHSEFHLQVAEPTSYLCRYL