# OC Root 2nd 3rd 4th PC Gene/Definition OC.204390 Archaea.3951 Euryarchaeota.15087 Methanosaeta.955 mcj.2273 mcj:MCON_3136 rpiA; ribose 5-phosphate isomerase; K01807 ribose 5-phosphate isomerase A [EC:5.3.1.6] OC.204390 Archaea.3951 Euryarchaeota.15087 Methanosaeta.955 mhi.917 mhi:Mhar_0927 Ribose 5-phosphate isomerase; K01807 ribose 5-phosphate isomerase A [EC:5.3.1.6]