# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.226723 Bacteria.461004 Proteobacteria.424347 Alphaproteobacteria.262675 Rhodopseudomonas.3990 rpa.3970 rpa:RPA3999 possible coenzyme PQQ synthesis protein E OC.226723 Bacteria.461004 Proteobacteria.424347 Alphaproteobacteria.262675 Rhodopseudomonas.3990 rpt.4429 rpt:Rpal_4523 Radical SAM domain protein