# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.1495450 Bacteria.568156 Proteobacteria.349846 Other_proteobacteria.1861 Acidithiobacillus.697 Acidithiobacillus_caldus.1816 acu.49 acu:Atc_0554 hypothetical protein OC.1495450 Bacteria.568156 Proteobacteria.349846 Other_proteobacteria.1861 Acidithiobacillus.697 Acidithiobacillus_caldus.1816 acu.49 acu:Atc_1899 hypothetical protein