MrpE

• Description: Na+/H+ antiporter subunit, multiple resistance and pH homeostasis
  
  

Gene name	mrpE
Synonyms
Essential	no
Product	Na+/H+ antiporter subunit
Function	sodium export
Gene expression levels in SubtiExpress: mrpE
Interactions involving this protein in SubtInteract: MrpE
MW, pI	18 kDa, 8.118
Gene length, protein length	474 bp, 158 aa
Immediate neighbours	mrpD, mrpF
Sequences	Protein DNA Advanced_DNA
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

transporters/ other, metal ion homeostasis (K, Na, Ca, Mg), membrane proteins

The gene

Basic information

• Locus tag: BSU31640

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

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:

• Interactions:
  • MrpA-MrpB-MrpC-MrpD-MrpE-MrpF-MrpG (complex)

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

Database entries

• Structure:

• UniProt: Q7WY60

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: mrpA-mrpB-mrpC-mrpD-mrpE-mrpF-mrpG PubMed

• Expression browser: mrpE PubMed

• Sigma factor:

• Regulation:

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Yusuke Kajiyama, Masato Otagiri, Junichi Sekiguchi, Saori Kosono, Toshiaki Kudo
Complex formation by the mrpABCDEFG gene products, which constitute a principal Na+/H+ antiporter in Bacillus subtilis.
J Bacteriol: 2007, 189(20);7511-4
[PubMed:17693497] [WorldCat.org] [DOI] (P p)

M Ito, A A Guffanti, W Wang, T A Krulwich
Effects of nonpolar mutations in each of the seven Bacillus subtilis mrp genes suggest complex interactions among the gene products in support of Na(+) and alkali but not cholate resistance.
J Bacteriol: 2000, 182(20);5663-70
[PubMed:11004162] [WorldCat.org] [DOI] (P p)

M Ito, A A Guffanti, B Oudega, T A Krulwich
mrp, a multigene, multifunctional locus in Bacillus subtilis with roles in resistance to cholate and to Na+ and in pH homeostasis.
J Bacteriol: 1999, 181(8);2394-402
[PubMed:10198001] [WorldCat.org] [DOI] (P p)