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Literature summary for 2.4.2.53 extracted from

  • Breazeale, S.D.; Ribeiro, A.A.; McClerren, A.L.; Raetz, C.R.
    A formyltransferase required for polymyxin resistance in Escherichia coli and the modification of lipid A with 4-Amino-4-deoxy-L-arabinose. Identification and function oF UDP-4-deoxy-4-formamido-L-arabinose (2005), J. Biol. Chem., 280, 14154-14167.
    View publication on PubMed

Organism

Organism UniProt Comment Textmining
Escherichia coli
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-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
UDP-4-deoxy-4-formamido-beta-L-arabinopyranose + ditrans,polycis-undecaprenyl phosphate
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Escherichia coli UDP + 4-deoxy-4-formamido-alpha-L-arabinopyranosyl ditrans,polycis-undecaprenyl phosphate
-
?

Synonyms

Synonyms Comment Organism
ArnC
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Escherichia coli

General Information

General Information Comment Organism
physiological function enzyme takes part in the biosynthesis of UDP-4-amino-4-deoxy-L-arabinose in polymyxin-resistant Escherichia coli. The N-formylation of UDP-4-amino-4-deoxy-L-arabinose is an obligatory step in the biosynthesis of 4-amino-4-deoxy-L-arabinose-modified lipid A in polymyxin-resistant mutants. Only the formylated sugar nucleotide is converted in vitro to an undecaprenyl phosphate-linked form by the enzyme ArnC. Because the L-Ara4N unit attached to lipid A is not derivatized with a formyl group, a deformylase must be acting later in the pathway Escherichia coli