# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.281477 Bacteria.173411 Proteobacteria.10491 Betaproteobacteria.931 Cupriavidus.16588 Cupriavidus_necator.8533 cuh.1744 cuh:BJN34_08495 tripartite tricarboxylate transporter substrate binding protein