# OC Root 2nd 3rd 4th PC Gene/Definition OC.651 Archaea.9075 Crenarchaeota.1971 Aeropyrum.616 ape.1619 ape:APE_2516 ABC transporter, ATP binding protein; K01990 ABC-2 type transport system ATP-binding protein OC.651 Archaea.9075 Crenarchaeota.1971 Aeropyrum.616 acj.1581 acj:ACAM_1584 ABC transporter ATP-binding protein; K01990 ABC-2 type transport system ATP-binding protein