>sp|Q21UZ9|PPNP_ALBFT Pyrimidine/purine nucleoside phosphorylase OS=Albidiferax ferrireducens GN=ppnP MTTTHIDQVSVSTQASVYFDGKCISHGVTLADGTKKSVGVILPATLTFNTGAPEVMECVA GSCDYKLPGSEVWLKSKPGDKFSIPGNTPFDIRVTEPYHYICHFG