2.1.2.13: UDP-4-amino-4-deoxy-L-arabinose formyltransferase
This is an abbreviated version!
For detailed information about UDP-4-amino-4-deoxy-L-arabinose formyltransferase, go to the full flat file.
Reaction
Synonyms
ArnA, ArnA formyltransferase, ArnAFT, Pmrl
ECTree
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Application
Application on EC 2.1.2.13 - UDP-4-amino-4-deoxy-L-arabinose formyltransferase
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medicine
modification of the lipid A moiety of lipopolysaccharide by the addition of the sugar 4-amino-4-deoxy-L-arabinose is a strategy adopted by pathogenic Gram-negative bacteria to evade cationic antimicrobial peptides produced by the innate immune system. L-Ara4N biosynthesis is therefore a potential anti-infective target
synthesis
engineering of Escherichia coli to ynthesize the plant-specific flavonoid O-pentosides quercetin 3-O-xyloside and quercetin 3-O-arabinoside. For UDP-xylose biosynthesis, genes UXS (UDP-xylose synthase) from Arabidopsis thaliana and ugd (UDP-glucose dehydrogenase) from E.scherichia coli, are overexpressed. The gene encoding ArnA, which competes with UXS for UDP-glucuronic acid, is deleted. For UDP-arabinose biosynthesis, UXE (UDP-xylose epimerase) i overexpressed. UDP-dependent glycosyltransferases are engineered to ensure specificity for UDP-xylose and UDP-arabinose. The srains thus obtained synthesize approximately 160 mg/liter of quercetin 3-O-xyloside and quercetin 3-O-arabinoside