# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.304802 Bacteria.870312 Firmicutes.248396 Firmicutes___Clostridia.104253 Clostridium.30309 Clostridium_pasteurianum.5008 cpas.2965 cpas:Clopa_3486 ABC-type Fe3+-siderophore transport system, permease component; K02015 iron complex transport system permease protein