# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.66168 Archaea.14316 Euryarchaeota.11793 Methanosarcina.6459 Methanosarcina_barkeri.4439 mby.1963 mby:MSBRM_2000 Vitamin B12 ABC transporter, ATPase component BtuD; K02013 iron complex transport system ATP-binding protein [EC:3.6.3.34] OC.66168 Archaea.14316 Euryarchaeota.11793 Methanosarcina.6459 Methanosarcina_barkeri.4439 mbar.437 mbar:MSBR2_0416 Vitamin B12 ABC transporter, ATPase component BtuD; K02013 iron complex transport system ATP-binding protein [EC:3.6.3.34]