# OC Root 2nd 3rd 4th PC Gene/Definition OC.9618 Archaea.16855 Euryarchaeota.16204 Haloterrigena.3828 htu.295 htu:Htur_0187 ammonium transporter; K03320 ammonium transporter, Amt family OC.9618 Archaea.16855 Euryarchaeota.16204 Haloterrigena.3193 hda.2935 hda:BB347_15195 ammonium transporter; K03320 ammonium transporter, Amt family