>sp|A8GAJ0|PPNP_SERP5 Pyrimidine/purine nucleoside phosphorylase OS=Serratia proteamaculans GN=ppnP MLKVNEYFAGKVKSIGFDSSSIGLTSVGVMEEGEYTFTTALPEEMTVITGALKVLLPGSP DWQVFMPGEKFFVPAHSEFNLQVADATAYLCRYLSK