# OC Root 2nd 3rd 4th PC Gene/Definition OC.660360 Archaea.55204 Euryarchaeota.39594 Aciduliprofundum.233 abi.1279 abi:Aboo_1306 conserved hypothetical protein OC.660360 Archaea.55204 Euryarchaeota.39594 Aciduliprofundum.233 acf.1179 acf:AciM339_1258 Protein of unknown function (DUF2721)