# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.66173 Archaea.69865 Euryarchaeota.55049 Methanosarcina.6032 - mac.3622 mac:MA_3919 iron ABC transporter, ATP-binding protein; K02013 iron complex transport system ATP-binding protein [EC:3.6.3.34] OC.66173 Archaea.69865 Euryarchaeota.55049 Methanosarcina.6032 Methanosarcina_sp_.6644 meq.812 meq:MSWHS_0801 Vitamin B12 ABC transporter, ATPase component BtuD; K02013 iron complex transport system ATP-binding protein [EC:3.6.3.34]