# OC Root 2nd 3rd 4th PC Gene/Definition OC.337975 Bacteria.247158 Proteobacteria.639437 Gammaproteobacteria.31385 kak.876 kak:Kalk_04370 3-deoxy-8-phosphooctulonate synthase; K01627 2-dehydro-3-deoxyphosphooctonate aldolase (KDO 8-P synthase) [EC:2.5.1.55]