# OC Root 2nd 3rd 4th PC Gene/Definition OC.185738 Archaea.55393 Euryarchaeota.39818 Aciduliprofundum.909 abi.614 abi:Aboo_0610 Citrate transporter OC.185738 Archaea.55393 Euryarchaeota.39818 Aciduliprofundum.909 acf.381 acf:AciM339_0425 Na+/H+ antiporter NhaD-like permease