# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.40593 Bacteria.24195 Proteobacteria.360915 Alphaproteobacteria.160853 Ruegeria.11634 - sil.710 sil:SPO0702 oligopeptide ABC transporter, ATP-binding protein; K02032 peptide/nickel transport system ATP-binding protein OC.40593 Bacteria.24195 Proteobacteria.360915 Alphaproteobacteria.160853 Sulfitobacter.6094 Sulfitobacter_sp_.5882 suli.1461 suli:C1J05_07575 peptide ABC transporter ATP-binding protein