# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.1755 Bacteria.5651 Proteobacteria.3583 Betaproteobacteria.199034 Nitrosospira.523 nmu.2548 nmu:Nmul_A2694 multi-sensor hybrid histidine kinase OC.1755 Bacteria.5651 Proteobacteria.3583 Betaproteobacteria.199034 Nitrosospira.523 nlc.1724 nlc:EBAPG3_009100 hybrid sensor histidine kinase/response regulator