# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.2082307 Bacteria.1235015 Proteobacteria.798448 Other_proteobacteria.2365 Acidithiobacillus.1255 Acidithiobacillus_ferrooxidans.3301 afr.2988 afr:AFE_3190 hypothetical protein OC.2082307 Bacteria.1235015 Proteobacteria.798448 Other_proteobacteria.2365 Acidithiobacillus.1255 Acidithiobacillus_caldus.2782 acu.2834 acu:Atc_m056 conserved hypothetical protein