# OC Root 2nd 3rd 4th PC Gene/Definition OC.42558 Bacteria.23813 Firmicutes.305133 Firmicutes___Clostridia.187306 tpz.2303 tpz:Tph_c24990 appB; oligopeptide transport system permease protein AppB; K02033 peptide/nickel transport system permease protein