Difference between revisions of "Mbl"

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* '''Description:''' [[cell shape]]-determining protein, forms filaments, the polymers control/restrict the mobility of the cell wall elongation enzyme complex <br/><br/>
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* '''Description:''' [[cell shape]]-determining protein, forms filaments, the polymers control/restrict the mobility of the cell wall elongation enzyme complex, required for [[CwlO]] activity <br/><br/>
  
 
{| align="right" border="1" cellpadding="2"  
 
{| align="right" border="1" cellpadding="2"  
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===Phenotypes of a mutant ===
 
===Phenotypes of a mutant ===
 
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* non-viable in the presence of low Mg(2+)
non-viable in the presence of low Mg(2+), readily accumulate ''[[rsgI]]'' suppressor mutants [http://www.ncbi.nlm.nih.gov/sites/entrez/19114499 PubMed]
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* readily accumulate ''[[rsgI]]'' suppressor mutants [http://www.ncbi.nlm.nih.gov/sites/entrez/19114499 PubMed]
  
 
=== Database entries ===
 
=== Database entries ===
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* '''Catalyzed reaction/ biological activity:'''  
 
* '''Catalyzed reaction/ biological activity:'''  
 
** forms helical filaments in a heterologous system {{PubMed|21091501}}
 
** forms helical filaments in a heterologous system {{PubMed|21091501}}
 +
** required for [[CwlO]] activity {{PubMed|23869552}}
  
 
* '''Protein family:''' ftsA/mreB family (according to Swiss-Prot)
 
* '''Protein family:''' ftsA/mreB family (according to Swiss-Prot)
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* '''Kinetic information:'''
 
* '''Kinetic information:'''
  
* '''Domains:'''  
+
* '''[[Domains]]:'''  
  
 
* '''Modification:'''
 
* '''Modification:'''
  
* '''Cofactor(s):'''
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* '''[[Cofactors]]:'''
  
 
* '''Effectors of protein activity:'''
 
* '''Effectors of protein activity:'''
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<pubmed> 17064365,  20566861 21636744,21636745 22069484</pubmed>
 
<pubmed> 17064365,  20566861 21636744,21636745 22069484</pubmed>
 
==Other original publications==
 
==Other original publications==
<pubmed>19643765,16832063,11290328,12809607,16101995,12530960,7836311,,16950129 9023218, 19659933 19114499, 21091501 20525796 22048160 22343529 23879732</pubmed>
+
<pubmed>19643765,16832063,11290328,12809607,16101995,12530960,7836311,,16950129 9023218, 19659933 19114499, 21091501 20525796 22048160 22343529 23879732 23869552</pubmed>
  
 
[[Category:Protein-coding genes]]
 
[[Category:Protein-coding genes]]

Revision as of 19:41, 14 December 2013

  • Description: cell shape-determining protein, forms filaments, the polymers control/restrict the mobility of the cell wall elongation enzyme complex, required for CwlO activity

Gene name mbl
Synonyms
Essential no
Product MreB-like protein
Function cell shape determination
Gene expression levels in SubtiExpress: mbl
Interactions involving this protein in SubtInteract: Mbl
MW, pI 35 kDa, 5.669
Gene length, protein length 999 bp, 333 aa
Immediate neighbours flhO, spoIIID
Sequences Protein DNA DNA_with_flanks
Genetic context
Mbl context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
Mbl expression.png















Categories containing this gene/protein

cell shape, sporulation proteins, membrane proteins

This gene is a member of the following regulons

SigE regulon, stringent response

The gene

Basic information

  • Locus tag: BSU36410

Phenotypes of a mutant

  • non-viable in the presence of low Mg(2+)
  • readily accumulate rsgI suppressor mutants PubMed

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
    • forms helical filaments in a heterologous system PubMed
    • required for CwlO activity PubMed
  • Protein family: ftsA/mreB family (according to Swiss-Prot)

Extended information on the protein

  • Kinetic information:
  • Modification:
  • Effectors of protein activity:
  • Localization:
    • during logarithmic growth, Mbl forms discrete patches that move processively along peripheral tracks perpendicular to the cell axis PubMed
    • forms transverse bands as cells enter the stationary phase PubMed
    • close to the inner surface of the cytoplasmic membrane PubMed
    • reports on helical structures formed by Mbl PubMed seem to be misinterpretation of data PubMed

Database entries

  • Structure:
  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation

  • Regulation:
    • expressed early during sporulation in the mother cell (SigE) PubMed
    • RelA dependent downregulation (Class I) during stringent response PubMed
    • expression is strongly repressed in the presence of aminoguanidine (inhibitor of nitric oxide synthase) PubMed
  • Regulatory mechanism:

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system: B. pertussis adenylate cyclase-based bacterial two hybrid system (BACTH), available in Görke lab

Labs working on this gene/protein

Peter Graumann, Freiburg University, Germany homepage

Your additional remarks

References

Localization

Other original publications