# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.120470 Bacteria.1088412 Proteobacteria.573604 Deltaproteobacteria.75065 Desulfovibrio.25197 dsa.2604 dsa:Desal_2642 putative PAS/PAC sensor protein OC.120470 Archaea.69509 Euryarchaeota.54683 Methanosarcina.613 Methanosarcina_barkeri.7088 mbw.3039 mbw:MSBRW_3063 sensory transduction histidine kinase