Abstract:The action of a membrane‐embedded lipid‐to‐lipid glycosyltransferase (ArnT) on a synthetic lipid‐shortened phosphodiester derivative of 4‐amino‐4‐deoxy‐L‐arabinose (Ara4N) forms a new phosphodiester linkage to the lipid A part of bacterial lipopolysaccharides. The substitution by Ara4N is a major mechanism contributing to the antimicrobial resistance of Gram‐negative bacteria. The Burkholderia cenocepacia enzyme shows exquisite specificity concerning the stereochemistry at the anomeric center and the double bo… Show more
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