# OC Root 2nd 3rd 4th PC Gene/Definition OC.185729 Archaea.12142 Crenarchaeota.7830 Aeropyrum.911 ape.41 ape:APE_0055 conserved hypothetical protein OC.185729 Archaea.12142 Crenarchaeota.7830 Aeropyrum.911 acj.44 acj:ACAM_0043 Na+ antiporter NhaD OC.185729 Archaea.12142 Crenarchaeota.7830 - hbu.578 hbu:Hbut_0599 Anion permease, ArsB/NhaD