Article
Periplasmic phosphorylation of lipid A is linked to the synthesis of undecaprenyl phosphate.
Molecular microbiology - 1 Jan 2008
Touzé Thierry, Tran An X, Hankins Jessica V, Mengin-Lecreulx Dominique, Trent M Stephen
Abstract excerpt
One-third of the lipid A found in the Escherichia coli outer membrane contains an unsubstituted diphosphate unit at position 1 (lipid A 1-diphosphate). We now report an inner membrane enzyme, LpxT (YeiU), which specifically transfers a phosphate group to lipid A, forming the 1-diphosphate species. (32)P-labelled lipid A obtained from lpxT mutants do not produce lipid A 1-diphosphate. In vitro assays with...
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