Tetraacyldisaccharide 4'-kinase
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Template:Infobox protein family Template:Infobox enzyme Tetraacyldisaccharide 4'-kinase is an enzyme that phosphorylates the 4'-position of a tetraacyldisaccharide 1-phosphate precursor (DS-1-P) of lipopolysaccharide lipid A. This lipid forms outer membranes of Gram-negative bacteria.[1] This enzyme catalyzes the chemical reaction
- ATP + [2-N,3-O-bis(3-hydroxytetradecanoyl)-beta-D-glucosaminyl]-(1->6)-[2- N,3-O-bis(3-hydroxytetradecanoyl)-beta-D-glucosaminyl phosphate] ADP + [2-N,3-O-bis(3-hydroxytetradecanoyl)-4-O-phosphono-beta-D- glucosaminyl]-(1->6)-[2-N,3-O-bis(3-hydroxytetradecanoyl)-beta-D- glucosaminyl phosphate]
This enzyme belongs to the family of transferases, specifically those transferring phosphorus-containing groups (phosphotransferases) with an alcohol group as acceptor.