Difference between revisions of "MreBH"

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Line 72: Line 72:
 
* '''Catalyzed reaction/ biological activity:'''  
 
* '''Catalyzed reaction/ biological activity:'''  
 
** forms ring-shaped filaments in a heterologous system {{PubMed|21091501}}
 
** forms ring-shaped filaments in a heterologous system {{PubMed|21091501}}
 +
** required for the activity of [[LytE]] {{PubMed|16950129}}
  
 
* '''Protein family:''' ftsA/mreB family (according to Swiss-Prot)
 
* '''Protein family:''' ftsA/mreB family (according to Swiss-Prot)

Revision as of 14:41, 17 September 2013

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

Gene name mreBH
Synonyms
Essential no
Product cell shape-determining protein
Function cell shape determation
Gene expression levels in SubtiExpress: mreBH
Interactions involving this protein in SubtInteract: MreBH
MW, pI 35 kDa, 5.239
Gene length, protein length 1005 bp, 335 aa
Immediate neighbours ykpC, abh
Sequences Protein DNA DNA_with_flanks
Genetic context
MreBH context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
MreBH expression.png















Categories containing this gene/protein

cell shape, heat shock proteins, membrane proteins

This gene is a member of the following regulons

SigI regulon

The gene

Basic information

  • Locus tag: BSU14470

Phenotypes of a mutant

Database entries

  • DBTBS entry: no entry
  • SubtiList entry: [1]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
    • forms ring-shaped filaments in a heterologous system PubMed
    • required for the activity of LytE PubMed
  • Protein family: ftsA/mreB family (according to Swiss-Prot)

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:
  • Localization:
    • during logarithmic growth, MreBH forms discrete patches thst 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 MreBH PubMed seem to be misinterpretation of data PubMed
    • normal localization depends on the presence of glucolipids, MreB forms irregular clusters in an ugtP mutant PubMed

Database entries

  • Structure:
  • KEGG entry: [2]
  • E.C. number:

Additional information

Expression and regulation

  • Operon:
  • Regulatory mechanism:
  • Additional information:

Biological materials

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

Labs working on this gene/protein

Peter Graumann, Freiburg University, Germany homepage

Your additional remarks

References

Localization

Satoshi Matsuoka, Minako Chiba, Yu Tanimura, Michihiro Hashimoto, Hiroshi Hara, Kouji Matsumoto
Abnormal morphology of Bacillus subtilis ugtP mutant cells lacking glucolipids.
Genes Genet Syst: 2011, 86(5);295-304
[PubMed:22362028] [WorldCat.org] [DOI] (I p)

Ethan C Garner, Remi Bernard, Wenqin Wang, Xiaowei Zhuang, David Z Rudner, Tim Mitchison
Coupled, circumferential motions of the cell wall synthesis machinery and MreB filaments in B. subtilis.
Science: 2011, 333(6039);222-5
[PubMed:21636745] [WorldCat.org] [DOI] (I p)

Julia Domínguez-Escobar, Arnaud Chastanet, Alvaro H Crevenna, Vincent Fromion, Roland Wedlich-Söldner, Rut Carballido-López
Processive movement of MreB-associated cell wall biosynthetic complexes in bacteria.
Science: 2011, 333(6039);225-8
[PubMed:21636744] [WorldCat.org] [DOI] (I p)

Henrik Strahl, Leendert W Hamoen
Membrane potential is important for bacterial cell division.
Proc Natl Acad Sci U S A: 2010, 107(27);12281-6
[PubMed:20566861] [WorldCat.org] [DOI] (I p)

Hervé Joël Defeu Soufo, Peter L Graumann
Dynamic localization and interaction with other Bacillus subtilis actin-like proteins are important for the function of MreB.
Mol Microbiol: 2006, 62(5);1340-56
[PubMed:17064365] [WorldCat.org] [DOI] (P p)

Other original publications