# OC Root 2nd 3rd PC Gene/Definition OC.1750 Bacteria.5680 Planctomycetes.14724 pbu.2135 pbu:L21SP3_02289 arcB_3; Aerobic respiration control sensor protein ArcB OC.1750 Bacteria.5680 Planctomycetes.14724 pbp.1028 pbp:STSP1_01059 luxQ_2; Autoinducer 2 sensor kinase/phosphatase LuxQ