MurG

• Description: UDP-N-acetylglucosamine-N-acetylmuramyl-(pentapeptide)pyrophosphoryl-undecaprenol N-acetylglucosamine transferase
  
  

Gene name	murG
Synonyms
Essential	yes PubMed
Product	UDP-N-acetylglucosamine- N-acetylmuramyl-(pentapeptide)pyrophosphoryl-undecaprenol N-acetylglucosamine transferase
Function	peptidoglycan precursor biosynthesis
Metabolic function and regulation of this protein in SubtiPathways: Cell wall
MW, pI	39 kDa, 9.568
Gene length, protein length	1089 bp, 363 aa
Immediate neighbours	spoVE, murB
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

Categories containing this gene/protein

cell wall synthesis, biosynthesis of cell wall components, sporulation proteins, essential genes, membrane proteins

This gene is a member of the following regulons

SigE regulon, SpoIIID regulon

The gene

Basic information

• Locus tag: BSU15220

Expression

Phenotypes of a mutant

essential PubMed

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: 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)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization: cell membrane (according to Swiss-Prot)

Database entries

• Structure: 1F0K (from Escherichia coli, 30% identity, 52% similarity) PubMed

• UniProt: P37585

• KEGG entry: [3]

• E.C. number: 2.4.1.227

Expression and regulation

• Operon:
  • murE-mraY-murD-spoVE-murG-murB-divIB-ylxW-ylxX-sbp PubMed
  • spoVE-murG-murB-divIB-ylxW-ylxX-sbp PubMed
  • murG-murB-divIB-ylxW-ylxX-sbp PubMed

• Sigma factor:
  • spoVE: SigE PubMed
  • within murG: SigM PubMed

• Regulation:
  • expressed during vegatative growth, then switched off, and again expressed during sporulation in the mother cell (SigE) PubMed

• Regulatory mechanism:
  • SpoIIID: transcription repression PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody: