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Information on EC 2.4.2.43 - lipid IVA 4-amino-4-deoxy-L-arabinosyltransferase and Organism(s) Salmonella typhimurium and UniProt Accession O52327

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EC Tree
     2 Transferases
         2.4 Glycosyltransferases
             2.4.2 Pentosyltransferases
                2.4.2.43 lipid IVA 4-amino-4-deoxy-L-arabinosyltransferase
IUBMB Comments
Integral membrane protein present in the inner membrane of certain Gram negative endobacteria. In strains that do not produce 3-deoxy-D-manno-octulosonic acid (Kdo), the enzyme adds a single arabinose unit to the 1-phosphate moiety of the tetra-acylated lipid A precursor, lipid IVA. In the presence of a Kdo disaccharide, the enzyme primarily adds an arabinose unit to the 4-phosphate of lipid A molecules. The Salmonella typhimurium enzyme can add arabinose units to both positions.
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This record set is specific for:
Salmonella typhimurium
UNIPROT: O52327
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Word Map
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  • 2.4.2.43
  • photosystem
  • synechocystis
  • cyanobacterium
  • polymyxin
  • time-resolved
  • photoautotrophically
  • elongatus
  • epr
  • aeruginosa
  • thermosynechococcus
  • typhimurium
  • polymyxin-resistance
  • light-regulated
The expected taxonomic range for this enzyme is: Bacteria, Archaea
Synonyms
l-ara4n transferase, 4-amino-4-deoxy-l-arabinose transferase, aminoarabinose transferase, more
PATHWAY SOURCE
PATHWAYS
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SYSTEMATIC NAME
IUBMB Comments
4-amino-4-deoxy-alpha-L-2-aminoarabinopyranosyl ditrans,octacis-undecaprenyl phosphate:lipid IVA L-2-aminoarabinopyranosyltransferase
Integral membrane protein present in the inner membrane of certain Gram negative endobacteria. In strains that do not produce 3-deoxy-D-manno-octulosonic acid (Kdo), the enzyme adds a single arabinose unit to the 1-phosphate moiety of the tetra-acylated lipid A precursor, lipid IVA. In the presence of a Kdo disaccharide, the enzyme primarily adds an arabinose unit to the 4-phosphate of lipid A molecules. The Salmonella typhimurium enzyme can add arabinose units to both positions.