# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.377887 Bacteria.324608 Proteobacteria.574999 Deltaproteobacteria.77612 Geobacter.7099 Geobacter_sp_.2842 geb.2019 geb:GM18_2067 Rubredoxin-type Fe(Cys)4 protein