MrpA
- Description: Na+ transporter subunit of the Na+/H+ antiporter, multiple resistance and pH homeostasis
Gene name | mrpA |
Synonyms | yufT, shaA, ntrA |
Essential | yes PubMed |
Product | Na+/H+ antiporter subunit |
Function | sodium export |
Gene expression levels in SubtiExpress: mrpA | |
Interactions involving this protein in SubtInteract: MrpA | |
MW, pI | 86 kDa, 9.519 |
Gene length, protein length | 2322 bp, 774 aa |
Immediate neighbours | yufS, mrpB |
Sequences | Protein DNA Advanced_DNA |
Genetic context This image was kindly provided by SubtiList
| |
Expression at a glance PubMed |
Contents
Categories containing this gene/protein
transporters/ other, metal ion homeostasis (K, Na, Ca, Mg), essential genes, membrane proteins
This gene is a member of the following regulons
The gene
Basic information
- Locus tag: BSU31600
Phenotypes of a mutant
essential PubMed
Database entries
- DBTBS entry: [1]
- SubtiList entry: [2]
Additional information
The protein
Basic information/ Evolution
- Catalyzed reaction/ biological activity: Na+ transporter subunit of the Na+/H+ antiporter PubMed
- Protein family:
- Paralogous protein(s):
Extended information on the protein
- Kinetic information:
- Domains:
- Modification:
- Cofactor(s):
- Effectors of protein activity:
- Localization: cell membrane (according to Swiss-Prot)
Database entries
- Structure:
- UniProt: Q9K2S2
- KEGG entry: [3]
- E.C. number:
Additional information
Expression and regulation
- Sigma factor:
- Regulation:
- 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
Yusuke Kajiyama, Masato Otagiri, Junichi Sekiguchi, Toshiaki Kudo, Saori Kosono
The MrpA, MrpB and MrpD subunits of the Mrp antiporter complex in Bacillus subtilis contain membrane-embedded and essential acidic residues.
Microbiology (Reading): 2009, 155(Pt 7);2137-2147
[PubMed:19389778]
[WorldCat.org]
[DOI]
(P p)
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)
Saori Kosono, Yusuke Kajiyama, Shin Kawasaki, Toko Yoshinaka, Koki Haga, Toshiaki Kudo
Functional involvement of membrane-embedded and conserved acidic residues in the ShaA subunit of the multigene-encoded Na+/H+ antiporter in Bacillus subtilis.
Biochim Biophys Acta: 2006, 1758(5);627-35
[PubMed:16730649]
[WorldCat.org]
[DOI]
(P p)
Saori Kosono, Kei Asai, Yoshito Sadaie, Toshiaki Kudo
Altered gene expression in the transition phase by disruption of a Na+/H+ antiporter gene (shaA) in Bacillus subtilis.
FEMS Microbiol Lett: 2004, 232(1);93-9
[PubMed:15019740]
[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)
Additional publications: PubMed