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murG [Mon Oct 31 2016 11:08:05 GMT+0100 (CET)]
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murG [Mon Oct 31 2016 11:08:05 GMT+0100 (CET)]

UDP-N-acetylglucosamine-N-acetylmuramyl-(pentapeptide)pyrophosphoryl-undecaprenol N-acetylglucosamine transferase, conversion of lipid I to lipid II
locus
BSU15220
pI
9.00
mw
39.00 kDa
function
peptidoglycan precursor biosynthesis
product
UDP-N-acetylglucosamine-N-acetylmuramyl-(pentapeptide)pyrophosphoryl-undecaprenol N-acetylglucosamine transferase
essential
yes
ec
2.4.1.227
synonyms

Genomic Context

      

categories

  • [category|SW 1|Cellular processes] → [category|SW 1.1|Cell envelope and cell division] → [category|SW 1.1.1|Cell wall synthesis] → [category|SW 1.1.1.1|Biosynthesis of peptidoglycan]
  • [category|SW 2|Metabolism] → [category|SW 2.6|Additional metabolic pathways] → [category|SW 2.6.1|Biosynthesis of cell wall components] → [category|SW 2.6.1.1|Biosynthesis of peptidoglycan]
  • [category|SW 4|Lifestyles] → [category|SW 4.2|Sporulation] → [category|SW 4.2.1|Sporulation proteins] → [category|SW 4.2.1.4|Sporulation proteins/ other]
  • [category|SW 6|Groups of genes] → [category|SW 6.1|Essential genes]
  • [category|SW 6|Groups of genes] → [category|SW 6.2|Membrane proteins]
  • [SW|Categories] containing this gene/protein

  • [SW|cell wall synthesis], [SW|biosynthesis of cell wall components], [SW|sporulation proteins], [SW|essential genes], [SW|membrane proteins]
  • This gene is a member of the following [SW|regulons]

  • [SW|SigE regulon], [SW|SpoIIID regulon]
  • Gene

    Coordinates on the chromosome (coding sequence)
    1,591,540 -> 1,592,631

    Phenotypes of a mutant

  • essential [Pubmed|12682299]
  • The protein

    Catalyzed reaction/ biological activity

  • converts lipid I to lipid II by attaching GlcNAc to the bactoprenol carrier-conjugated UDP-N-acetylmuramic acid (UDP-MurNAc) pentapeptide molecule
  • UDP-N-acetylglucosamine Mur2Ac(oyl-L-Ala-gamma-D-Glu-L-Lys-D-Ala-D-Ala)-diphosphoundecaprenol = UDP GlcNAc-(1->4)-Mur2Ac(oyl-L-Ala-gamma-D-Glu-L-Lys-D-Ala-D-Ala)-diphosphoundecaprenol (according to Swiss-Prot)
  • Protein family

  • MurG subfamily (according to Swiss-Prot)
  • Structure

  • [PDB|1F0K] (from ''Escherichia coli'', 30% identity, 52% similarity) [Pubmed|10892798]
  • [SW|Localization]

  • peripheral membrane protein [Pubmed|24706874]
  • forms banded patterns along the length of the cell, this pattern formation depends on [SW|MreB] [Pubmed|17880425]
  • Expression and Regulation

    Operon

  • ''[protein|search|murE]-[protein|search|mraY]-[protein|search|murD]-[SW|spoVE]-[protein|search|murG]-[protein|search|murB]-[SW|divIB]-[protein|search|ylxW]-[protein|search|ylxX]-[protein|search|sbp]'' [Pubmed|1391053]
  • ''[SW|spoVE]-[protein|search|murG]-[protein|search|murB]-[SW|divIB]-[protein|search|ylxW]-[protein|search|ylxX]-[protein|search|sbp]'' [Pubmed|1391053]
  • ''[protein|search|murG]-[protein|search|murB]-[SW|divIB]-[protein|search|ylxW]-[protein|search|ylxX]-[protein|search|sbp]'' [Pubmed|18179421]
  • [SW|Sigma factor]

  • ''[SW|spoVE]'': [protein|search|SigE] [Pubmed|8320223]
  • within ''[protein|search|murG]'': [protein|search|SigM] [Pubmed|18179421]
  • Regulation

  • expressed during vegatative growth, then switched off, and again expressed during sporulation in the mother cell ([protein|search|SigE]) [Pubmed|1391053]
  • Regulatory mechanism

  • [SW|SpoIIID]: transcription repression [Pubmed|15383836]
  • Biological materials

    FLAG-tag construct

  • GP2002 ''murG-3xFLAG ermC'' (based on [SW|pGP1087]), available in [SW|Jörg Stülke]'s lab
  • References

  • 22092867,18063720,18081839,1391053,8320223,15383836,18179421,10790316,24706874,26278972,17880425,20233306