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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

10-formyltetrahydrofolate
+
UDP-4-amino-4-deoxy-beta-L-arabinopyranose
=
5,6,7,8-tetrahydrofolate
+
UDP-4-deoxy-4-formamido-beta-L-arabinopyranose

Synonyms

ArnA, ArnA formyltransferase, ArnAFT, Pmrl

ECTree

     2 Transferases
         2.1 Transferring one-carbon groups
             2.1.2 Hydroxymethyl-, formyl- and related transferases
                2.1.2.13 UDP-4-amino-4-deoxy-L-arabinose formyltransferase

Application

Application on EC 2.1.2.13 - UDP-4-amino-4-deoxy-L-arabinose formyltransferase

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APPLICATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
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