ID 2.4.99.15 DE (Kdo)(3)-lipid IV(A) (2-4) 3-deoxy-D-manno-octulosonic acid transferase. AN 3-deoxy-D-manno-oct-2-ulosonic acid transferase. AN 3-deoxy-manno-octulosonic acid transferase. AN Kdo transferase. CA Alpha-Kdo-(2->8)-alpha-Kdo-(2->4)-alpha-Kdo-(2->6)-lipid IV(A) + CMP- CA beta-Kdo = alpha-Kdo-(2->8)-(alpha-Kdo-(2->4))-alpha-Kdo-(2->4)-alpha- CA Kdo-(2->6)-lipid IV(A) + CMP. CC -!- The enzyme from Chlamydia psittaci transfers four KDO residues to CC lipid A, forming a branched tetrasaccharide with the structure alpha- CC KDO-(2,8)-(alpha-KDO-(2,4))-alpha-KDO-(2,4)-alpha-KDO (cf. CC EC 2.4.99.12, EC 2.4.99.13 and EC 2.4.99.14). DR F0T4D1, KDTA_CHLP6 ; //