>sp|Q21KC3|PPNP_SACD2 Pyrimidine/purine nucleoside phosphorylase OS=Saccharophagus degradans GN=ppnP MLEVNTYFDGTVKSIAFQTATLPATVGVMAKGEYTFGTDCKEIMTVVSGELIVQLPNQEE WQTFIDGQTFEVEANQSFNLKVPVETAYLCKYIR