# OC Root 2nd 3rd 4th PC Gene/Definition OC.210948 Bacteria.289654 Spirochaetes.23540 Spirochaeta.3375 sfc.1132 sfc:Spiaf_1187 purine nucleoside phosphorylase I, inosine and guanosine-specific; K03783 purine-nucleoside phosphorylase [EC:2.4.2.1]