# OC Root 2nd 3rd 4th PC Gene/Definition OC.502149 Archaea.17114 Euryarchaeota.16601 Haloquadratum.1896 hwa.664 hwa:HQ_1660A purA; adenylosuccinate synthase; K01939 adenylosuccinate synthase [EC:6.3.4.4] OC.502149 Archaea.17114 Euryarchaeota.16601 Haloquadratum.1896 hwc.693 hwc:Hqrw_1775 purA; adenylosuccinate synthase; K01939 adenylosuccinate synthase [EC:6.3.4.4]