Difference between revisions of "NrgA"

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Revision as of 14:47, 16 May 2013

  • Description: ammonium transporter, required at low ammonium concentration

Gene name nrgA
Synonyms amtB
Essential no
Product ammonium transporter
Function ammonium uptake
Gene expression levels in SubtiExpress: nrgA
Interactions involving this protein in SubtInteract: NrgA
Metabolic function and regulation of this protein in SubtiPathways:
Ammonium/ glutamate
MW, pI 42 kDa, 5.727
Gene length, protein length 1212 bp, 404 aa
Immediate neighbours ywoB, nrgB
Sequences Protein DNA DNA_with_flanks
Genetic context
NrgA context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
NrgA expression.png




























Categories containing this gene/protein

transporters/ other, biosynthesis/ acquisition of amino acids, glutamate metabolism, membrane proteins

This gene is a member of the following regulons

TnrA regulon

The gene

Basic information

  • Locus tag: BSU36510

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

Database entries

  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation

  • Regulation: induced by ammonium limitation
  • Regulatory mechanism:
  • Additional information:

Biological materials

  • Mutant: GP739 (cat), GP255 (nrgAB, cat), both available in the Stülke lab
  • Expression vector:
  • lacZ fusion: pGP168 (in pAC7), available in Stülke lab
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Susan Fisher, Boston, USA homepage

Your additional remarks

References

Reviews

Original Publications

Matthew J Conroy, Anne Durand, Domenico Lupo, Xiao-Dan Li, Per A Bullough, Fritz K Winkler, Mike Merrick
The crystal structure of the Escherichia coli AmtB-GlnK complex reveals how GlnK regulates the ammonia channel.
Proc Natl Acad Sci U S A: 2007, 104(4);1213-8
[PubMed:17220269] [WorldCat.org] [DOI] (P p)

Annette Heinrich, Kathrin Woyda, Katja Brauburger, Gregor Meiss, Christian Detsch, Jörg Stülke, Karl Forchhammer
Interaction of the membrane-bound GlnK-AmtB complex with the master regulator of nitrogen metabolism TnrA in Bacillus subtilis.
J Biol Chem: 2006, 281(46);34909-17
[PubMed:17001076] [WorldCat.org] [DOI] (P p)

Christian Detsch, Jörg Stülke
Ammonium utilization in Bacillus subtilis: transport and regulatory functions of NrgA and NrgB.
Microbiology (Reading): 2003, 149(Pt 11);3289-3297
[PubMed:14600241] [WorldCat.org] [DOI] (P p)

Ken-ichi Yoshida, Hirotake Yamaguchi, Masaki Kinehara, Yo-hei Ohki, Yoshiko Nakaura, Yasutaro Fujita
Identification of additional TnrA-regulated genes of Bacillus subtilis associated with a TnrA box.
Mol Microbiol: 2003, 49(1);157-65
[PubMed:12823818] [WorldCat.org] [DOI] (P p)

L V Wray, A E Ferson, K Rohrer, S H Fisher
TnrA, a transcription factor required for global nitrogen regulation in Bacillus subtilis.
Proc Natl Acad Sci U S A: 1996, 93(17);8841-5
[PubMed:8799114] [WorldCat.org] [DOI] (P p)

L V Wray, M R Atkinson, S H Fisher
The nitrogen-regulated Bacillus subtilis nrgAB operon encodes a membrane protein and a protein highly similar to the Escherichia coli glnB-encoded PII protein.
J Bacteriol: 1994, 176(1);108-14
[PubMed:8282685] [WorldCat.org] [DOI] (P p)

M R Atkinson, S H Fisher
Identification of genes and gene products whose expression is activated during nitrogen-limited growth in Bacillus subtilis.
J Bacteriol: 1991, 173(1);23-7
[PubMed:1670935] [WorldCat.org] [DOI] (P p)