# OC Root 2nd 3rd 4th PC Gene/Definition OC.337990 Bacteria.247156 Proteobacteria.161603 Gammaproteobacteria.31382 gsn.3663 gsn:YC6258_03807 3-deoxy-D-manno-octulosonic acid (KDO) 8-phosphate synthase; K01627 2-dehydro-3-deoxyphosphooctonate aldolase (KDO 8-P synthase) [EC:2.5.1.55]