ID 3.2.1.144 DE 3-deoxyoctulosonase. AN alpha-Kdo-ase. CA 3-deoxyoctulosonyl-[lipopolysaccharide] + H2O = 3-deoxyoctulosonate + CA [lipopolysaccharide]. CC -!- Releases Kdo (alpha- and beta-linked 3-deoxy-D-manno-octulosonic CC acid) from different lipopolysaccharides, including Re-LPS from CC Escherichia coli and Salmonella, Rd-LPS from S.minnesota, and de-O- CC acyl-re-LPS. CC -!- 4-Methylumbelliferyl-alpha-Kdo (alpha-Kdo-OMec) is also a substrate. //