(KDO)3-lipid IVA (2-4) 3-deoxy-D-manno-octulosonic acid transferase (EC 2.4.99.15, KDO transferase, waaA (gene), kdtA (gene), 3-deoxy-D-manno-oct-2-ulosonic acid transferase, 3-deoxy-manno-octulosonic acid transferase) is an enzyme with systematic name CMP-3-deoxy-D-manno-oct-2-ulosonate:(KDO)3-lipid IVA 3-deoxy-D-manno-oct-2-ulosonate transferase ((2->4) glycosidic bond-forming).[1][2] This enzyme catalyses the following chemical reaction
(KDO)3-lipid IVA (2-4) 3-deoxy-D-manno-octulosonic acid transferase | |||||||||
---|---|---|---|---|---|---|---|---|---|
Identifiers | |||||||||
EC no. | 2.4.99.15 | ||||||||
Databases | |||||||||
IntEnz | IntEnz view | ||||||||
BRENDA | BRENDA entry | ||||||||
ExPASy | NiceZyme view | ||||||||
KEGG | KEGG entry | ||||||||
MetaCyc | metabolic pathway | ||||||||
PRIAM | profile | ||||||||
PDB structures | RCSB PDB PDBe PDBsum | ||||||||
|
The enzyme from Chlamydia psittaci transfers four KDO residues to lipid A, forming a branched tetrasaccharide.