# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.418767 Bacteria.121508 Proteobacteria.798731 Other_proteobacteria.3075 Acidithiobacillus.2990 Acidithiobacillus_caldus.2353 acu.371 acu:Atc_0295 conserved hypothetical protein