# OC Root 2nd 3rd 4th PC Gene/Definition OC.40389 Bacteria.24276 Spirochaetes.30030 Treponema.10775 tpi.1633 tpi:TREPR_1787 oligopeptide transport ATP-binding protein AppD; K02031 peptide/nickel transport system ATP-binding protein OC.40390 Bacteria.24336 Proteobacteria.477848 Alphaproteobacteria.349741 tpro.2968 tpro:Ga0080559_TMP3704 peptide/nickel transport system ATP-binding protein; K02031 peptide/nickel transport system ATP-binding protein OC.40391 Bacteria.24432 Spirochaetes.38353 - tpx.2738 tpx:Turpa_2877 oligopeptide/dipeptide ABC transporter, ATPase subunit; K02031 peptide/nickel transport system ATP-binding protein