# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.35959 Bacteria.276118 Proteobacteria.147540 Alphaproteobacteria.254984 Rhizobium.13121 Rhizobium_etli.11071 rel.4665 rel:REMIM1_PC00173 potA-4; spermidine/putrescine ABC transporter ATP-binding protein PotA 4; K02052 putative spermidine/putrescine transport system ATP-binding protein