# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.230337 Bacteria.870313 Firmicutes.248397 Firmicutes___Clostridia.104254 Clostridium.30310 Clostridium_pasteurianum.5009 cpas.2966 cpas:Clopa_3487 ABC-type Fe3+-hydroxamate transport system, periplasmic component; K02016 iron complex transport system substrate-binding protein