# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.462504 Bacteria.127710 Proteobacteria.324110 Gammaproteobacteria.179172 Methylomonas.740 mmt.4313 mmt:Metme_4607 putative signal transduction protein with CBS domains; K04767 acetoin utilization protein AcuB OC.462504 Bacteria.127710 Proteobacteria.324110 Gammaproteobacteria.179172 Methylomonas.740 mdn.1506 mdn:JT25_007650 signal transduction protein; K04767 acetoin utilization protein AcuB OC.462504 Bacteria.127710 Proteobacteria.324110 Gammaproteobacteria.179172 Methylomonas.740 mdh.170 mdh:AYM39_00595 signal transduction protein; K04767 acetoin utilization protein AcuB OC.462504 Bacteria.127710 Proteobacteria.324110 Gammaproteobacteria.179172 Methylomonas.740 mko.175 mko:MKLM6_0155 signal transduction protein; K04767 acetoin utilization protein AcuB