# OC Root 2nd 3rd 4th PC Gene/Definition OC.502149 Archaea.17114 Euryarchaeota.16601 Halanaeroarchaeum.295 hsu.1269 hsu:HLASF_1302 purA; adenylosuccinate synthetase; K01939 adenylosuccinate synthase [EC:6.3.4.4] OC.502149 Archaea.17114 Euryarchaeota.16601 Halanaeroarchaeum.295 hsf.1264 hsf:HLASA_1289 purA; adenylosuccinate synthetase; K01939 adenylosuccinate synthase [EC:6.3.4.4]