# OC Root 2nd 3rd 4th PC Gene/Definition OC.210963 Bacteria.289651 Firmicutes.237866 Firmicutes___Clostridia.87721 fpla.3087 fpla:A4U99_16730 purine-nucleoside phosphorylase; K03783 purine-nucleoside phosphorylase [EC:2.4.2.1] OC.210963 Bacteria.289651 Firmicutes.237866 Firmicutes___Clostridia.87721 ibu.461 ibu:IB211_00401 Purine nucleoside phosphorylase; K03783 purine-nucleoside phosphorylase [EC:2.4.2.1]