# OC Root 2nd 3rd 4th PC Gene/Definition OC.374135 Bacteria.204265 Proteobacteria.551787 Deltaproteobacteria.6041 samy.3868 samy:DB32_003890 Ribose 5-phosphate isomerase B; K01808 ribose 5-phosphate isomerase B [EC:5.3.1.6]