ChaA

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  • Description: H+/Ca2+ exchanger

Gene name chaA
Synonyms yfkE
Essential no
Product calcium transport in/out via proton antiporter
Function calcium uptake/ export
Gene expression levels in SubtiExpress: chaA
MW, pI 37 kDa, 5.206
Gene length, protein length 1053 bp, 351 aa
Immediate neighbours yfkF, yfkD
Sequences Protein DNA Advanced_DNA
Genetic context
YfkE context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
ChaA expression.png
























Categories containing this gene/protein

transporters/ other, metal ion homeostasis (K, Na, Ca, Mg), sporulation proteins, general stress proteins (controlled by SigB)

This gene is a member of the following regulons

SigB regulon, SigG regulon

The gene

Basic information

  • Locus tag: BSU07920

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
  • Protein family:
  • Paralogous protein(s):

Extended information on the protein

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

Database entries

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

Additional information

Expression and regulation

  • Regulation: expressed in the forespore (SigG) PubMed
  • Regulatory mechanism:
  • Additional information:

Biological materials

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

Labs working on this gene/protein

Your additional remarks

References

Makoto Fujisawa, Yuko Wada, Takahiro Tsuchiya, Masahiro Ito
Characterization of Bacillus subtilis YfkE (ChaA): a calcium-specific Ca2+/H+ antiporter of the CaCA family.
Arch Microbiol: 2009, 191(8);649-57
[PubMed:19543710] [WorldCat.org] [DOI] (I p)