# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.573540 Bacteria.322162 Proteobacteria.171219 Alphaproteobacteria.288795 Sphingomonas.24882 Sphingomonas_wittichii.6727 swi.5216 swi:Swit_5329 phosphoadenosine phosphosulfate reductase