# OC Root 2nd 3rd PC Gene/Definition OC.120487 Bacteria.96179 Verrucomicrobia.3409 ote.3660 ote:Oter_3798 extracellular solute-binding protein family 1; K11069 spermidine/putrescine transport system substrate-binding protein OC.120487 Bacteria.96179 Verrucomicrobia.3409 obg.3180 obg:Verru16b_03319 potD; Spermidine/putrescine-binding periplasmic protein precursor; K11069 spermidine/putrescine transport system substrate-binding protein OC.120487 Bacteria.96179 Verrucomicrobia.3409 obt.2157 obt:OPIT5_10320 spermidine/putrescine ABC transporter substrate-binding protein; K11069 spermidine/putrescine transport system substrate-binding protein OC.120487 Bacteria.96179 Verrucomicrobia.3409 vba.1866 vba:IMCC26134_10920 spermidine/putrescine ABC transporter substrate-binding protein; K11069 spermidine/putrescine transport system substrate-binding protein