EC - UDP-4-amino-4-deoxy-L-arabinose aminotransferase

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IntEnz Enzyme Nomenclature


Accepted name:
UDP-4-amino-4-deoxy-L-arabinose aminotransferase
Other names:
UDP-4-amino-4-deoxy-L-arabinose aminomutase
UDP-(β-L-threo-pentapyranosyl-4''-ulose diphosphate) aminotransferase
UDP-4-amino-4-deoxy-L-arabinose—oxoglutarate aminotransferase
UDP-Ara4O aminotransferase
UDP-L-Ara4N transaminase
Systematic name:
UDP-4-amino-4-deoxy-β-L-arabinose:2-oxoglutarate aminotransferase




A pyridoxal-phosphate enzyme.

Links to other databases

Enzymes and pathways: NC-IUBMB , BRENDA , ExplorEnz , ENZYME@ExPASy , KEGG , MetaCyc , UniPathway
Structural data: CSA , EC2PDB
Gene Ontology: GO:0099620
UniProtKB/Swiss-Prot: (71) [show] [UniProt]


  1. Breazeale, S. D., Ribeiro, A. A., Raetz, C. R.
    Origin of lipid A species modified with 4-amino-4-deoxy-L-arabinose in polymyxin-resistant mutants of Escherichia coli. An aminotransferase (ArnB) that generates UDP-4-deoxyl-L-arabinose.
    J. Biol. Chem. 278 : 24731-24739 (2003). [PMID: 12704196]
  2. Noland, B. W., Newman, J. M., Hendle, J., Badger, J., Christopher, J. A., Tresser, J., Buchanan, M. D., Wright, T. A., Rutter, M. E., Sanderson, W. E., Muller-Dieckmann, H. J., Gajiwala, K. S., Buchanan, S. G.
    Structural studies of Salmonella typhimurium ArnB (PmrH) aminotransferase: a 4-amino-4-deoxy-L-arabinose lipopolysaccharide-modifying enzyme.
    Structure 10 : 1569-1580 (2002). [PMID: 12429098]

[EC created 2010]