# OC Root 2nd 3rd 4th PC Gene/Definition OC.254616 Archaea.26976 Euryarchaeota.30167 Methanococcoides.6 mbu.1002 mbu:Mbur_1144 ABC transporter, ATP binding component; K02068 putative ABC transport system ATP-binding protein OC.254616 Archaea.26976 Euryarchaeota.30167 Methanococcoides.6 mmet.1545 mmet:MCMEM_1558 Methionine ABC transporter ATP-binding protein; K02068 putative ABC transport system ATP-binding protein