# OC Root 2nd 3rd 4th PC Gene/Definition 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