# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.2082775 Bacteria.1235537 Proteobacteria.799189 Other_proteobacteria.4039 Acidithiobacillus.3956 Acidithiobacillus_ferrooxidans.1166 afe.2173 afe:Lferr_2336 hypothetical protein OC.2082775 Bacteria.1235537 Proteobacteria.799189 Other_proteobacteria.4039 Acidithiobacillus.3956 Acidithiobacillus_ferrooxidans.1166 afr.2544 afr:AFE_2714 hypothetical protein