# OC Root 2nd 3rd 4th PC Gene/Definition OC.36059 Bacteria.276129 Proteobacteria.147539 Betaproteobacteria.260407 plg.3332 plg:NCTC10937_03416 potA_6; spermidine/putrescine ABC transporter ATP-binding subunit; K02052 putative spermidine/putrescine transport system ATP-binding protein