# OC Root 2nd 3rd PC Gene/Definition OC.41319 Bacteria.913140 Nitrospirae.13265 tye.1645 tye:THEYE_A1773 oligopeptide transport ATP-binding protein OppD; K02031 peptide/nickel transport system ATP-binding protein OC.41320 Bacteria.694086 Aquificae.7671 ttk.910 ttk:TST_0922 peptide/nickel transport system ATP-binding protein