# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.36022 Bacteria.276135 Proteobacteria.182268 Gammaproteobacteria.282809 Gammaproteobacteria___Enterobacteria.97972 Sodalis.4014 sod.1523 sod:Sant_1565 Spermidine/putrescine ABC transporter ATP-binding subunit; K02052 putative spermidine/putrescine transport system ATP-binding protein