DltA

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  • Description: D-alanyl-D-alanine carrier protein ligase, alanylation of teichoic acid provides some resistance against positively charged antimicrobial peptides

Gene name dltA
Synonyms ipa-5r, dae
Essential no
Product D-alanyl-D-alanine carrier protein ligase
Function biosynthesis of teichoic acid
Gene expression levels in SubtiExpress: dltA
Metabolic function and regulation of this protein in SubtiPathways:
DltA
MW, pI 55 kDa, 4.929
Gene length, protein length 1509 bp, 503 aa
Immediate neighbours ywzH, dltB
Sequences Protein DNA DNA_with_flanks
Genetic context
DltA context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
DltA expression.png















Categories containing this gene/protein

cell wall synthesis, biosynthesis of cell wall components, cell envelope stress proteins (controlled by SigM, V, W, X, Y)

This gene is a member of the following regulons

SigD regulon, SigM regulon, SigX regulon, Spo0A regulon, stringent response, YvrHb regulon

The gene

Basic information

  • Locus tag: BSU38500

Phenotypes of a mutant

    • increased sensitivity to lysozyme PubMed
  • more sensitive to nisin PubMed

Database entries

  • DBTBS entry: [1]
  • SubtiList entry: [2]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: ATP + D-alanine + poly(ribitol phosphate) = AMP + diphosphate + O-D-alanyl-poly(ribitol phosphate) (according to Swiss-Prot)
  • Protein family: DltA subfamily (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:

Database entries

  • KEGG entry: [3]

Additional information

Expression and regulation

  • Regulation:
    • RelA dependent downregulation (Class I) during stringent response PubMed
    • repressed under conditions that trigger sporulation (Spo0A) PubMed
    • expression is reduced in a SigV mutant PubMed
  • Additional information:
    • number of protein molecules per cell (minimal medium with glucose and ammonium): 1023 PubMed
    • number of protein molecules per cell (complex medium with amino acids, without glucose): 2317 PubMed
    • number of protein molecules per cell (minimal medium with glucose and ammonium, exponential phase): 1049 PubMed
    • number of protein molecules per cell (minimal medium with glucose and ammonium, early stationary phase after glucose exhaustion): 831 PubMed
    • number of protein molecules per cell (minimal medium with glucose and ammonium, late stationary phase after glucose exhaustion): 757 PubMed

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Mohamed Marahiel, Marburg University, Germany homepage

Your additional remarks

References

Reviews

Original publications