>sp|A0KRT7|PPNP_SHESA Pyrimidine/purine nucleoside phosphorylase OS=Shewanella sp. GN=ppnP MELIEQVSVAKKANIYFEGKVASRSVFFSDGSKKTLGVVLPGEYEFSTSQGEIMQVTSGS FEVLLPNSTTWQTFSEGSQFELAANVSFKIRNNAIAEYCCSYL