# OC Root 2nd 3rd 4th PC Gene/Definition OC.204390 Archaea.3951 Euryarchaeota.15087 Halodesulfurarchaeum.1014 halh.1948 halh:HTSR_2003 rpiA; ribose 5-phosphate isomerase A; K01807 ribose 5-phosphate isomerase A [EC:5.3.1.6] OC.204390 Archaea.3951 Euryarchaeota.15087 Halodesulfurarchaeum.1014 hhsr.2023 hhsr:HSR6_2079 rpiA; ribose 5-phosphate isomerase A; K01807 ribose 5-phosphate isomerase A [EC:5.3.1.6]