# OC Root 2nd 3rd 4th PC Gene/Definition OC.503003 Archaea.41277 Crenarchaeota.2669 Aeropyrum.425 ape.1440 ape:APE_2227 CoxF homolog; K07402 xanthine dehydrogenase accessory factor OC.503003 Archaea.41277 Crenarchaeota.2669 Aeropyrum.425 acj.1392 acj:ACAM_1395 CoxF-like protein; K07402 xanthine dehydrogenase accessory factor