Biology:N,N'-diacetyllegionaminate synthase

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N,N'-diacetyllegionaminate synthase
Identifiers
EC number2.5.1.101
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum

N,N'-diacetyllegionaminate synthase (EC 2.5.1.101, neuB (gene), legI (gene)) is an enzyme with systematic name phosphoenolpyruvate:2,4-diacetamido-2,4,6-trideoxy-alpha-D-mannopyranose 1-(2-carboxy-2-oxoethyl)transferase.[1][2] This enzyme catalyses the following chemical reaction

2,4-diacetamido-2,4,6-trideoxy-alpha-D-mannopyranose + phosphoenolpyruvate + H2O [math]\displaystyle{ \rightleftharpoons }[/math] N,N'-diacetyllegionaminate + phosphate

This enzyme requires a divalent metal such as Mn2+.

References

  1. "Biosynthesis of CMP-N,N'-diacetyllegionaminic acid from UDP-N,N'-diacetylbacillosamine in Legionella pneumophila". Biochemistry 47 (10): 3272–82. March 2008. doi:10.1021/bi702364s. PMID 18275154. 
  2. "The CMP-legionaminic acid pathway in Campylobacter: biosynthesis involving novel GDP-linked precursors". Glycobiology 19 (7): 715–25. July 2009. doi:10.1093/glycob/cwp039. PMID 19282391. 

External links