glycosyltransferase activity Kdo transferase activity https://github.com/geneontology/go-ontology/issues/28514 EC:2.4.99.15 kdtA MetaCyc:KDOTRANS2-RXN Catalysis of the reactions: (KDO)-lipid IVA + CMP-3-deoxy-D-manno-octulosonate = KDO2-lipid IVA + CMP, and lipid IVA + CMP-3-deoxy-D-manno-octulosonate = (KDO)-lipid IVA + CMP. GO:0043842 3-deoxy-D-manno-octulosonic-acid transferase activity molecular_function EC:2.4.99.13 MetaCyc:KDOTRANS-RXN EC:2.4.99.14 WaaA EC:2.4.99.12