# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.40748 Bacteria.23854 Proteobacteria.101548 Alphaproteobacteria.137194 Martelella.5864 mmed.277 mmed:Mame_00217 gsiA_1; Glutathione import ATP-binding protein GsiA; K02031 peptide/nickel transport system ATP-binding protein; K02032 peptide/nickel transport system ATP-binding protein