# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.10961 Bacteria.7774 Proteobacteria.195613 Epsilonproteobacteria.10628 Sulfurovum.1432 sun.1618 sun:SUN_1640 ammonium transporter; K03320 ammonium transporter, Amt family OC.10961 Bacteria.7774 Proteobacteria.195613 Epsilonproteobacteria.10628 Sulfurovum.1432 slh.686 slh:YH65_03635 ammonium transporter; K03320 ammonium transporter, Amt family