NupN

• Description: lipoprotein, part of guanosine transporter
  
  

Gene name	nupN
Synonyms	yufN
Essential	no
Product	lipoprotein, part of guanosine transporter
Function	uptake of guanosine
MW, pI	37 kDa, 4.82
Gene length, protein length	1050 bp, 350 aa
Immediate neighbours	malR, nupO
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

membrane proteins, biosynthesis/ acquisition of nucleotides

This gene is a member of the following regulons

CodY regulon

The gene

Basic information

• Locus tag: BSU31540

Phenotypes of a mutant

• a nupN nupG double mutant is unable to utilize externally provided guanosine PubMed

Database entries

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: BMP lipoprotein family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

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

Database entries

• Structure:

• UniProt: O05252

• KEGG entry: [2]

• E.C. number:

Expression and regulation

• Operon: nupN-nupO-nupP-nupQ PubMed

• Expression browser: nupN PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • repressed during growth in the presence of branched chain amino acids (CodY) PubMed

• Regulatory mechanism:
  • CodY: transcription repression PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Boris R Belitsky, Abraham L Sonenshein
CodY-mediated regulation of guanosine uptake in Bacillus subtilis.
J Bacteriol: 2011, 193(22);6276-87
[PubMed:21926227] [WorldCat.org] [DOI] (I p)

Boris R Belitsky, Abraham L Sonenshein
Roadblock repression of transcription by Bacillus subtilis CodY.
J Mol Biol: 2011, 411(4);729-43
[PubMed:21699902] [WorldCat.org] [DOI] (I p)

Shaun R Brinsmade, Roelco J Kleijn, Uwe Sauer, Abraham L Sonenshein
Regulation of CodY activity through modulation of intracellular branched-chain amino acid pools.
J Bacteriol: 2010, 192(24);6357-68
[PubMed:20935095] [WorldCat.org] [DOI] (I p)

Hannes Hahne, Susanne Wolff, Michael Hecker, Dörte Becher
From complementarity to comprehensiveness--targeting the membrane proteome of growing Bacillus subtilis by divergent approaches.
Proteomics: 2008, 8(19);4123-36
[PubMed:18763711] [WorldCat.org] [DOI] (I p)

Virginie Molle, Yoshiko Nakaura, Robert P Shivers, Hirotake Yamaguchi, Richard Losick, Yasutaro Fujita, Abraham L Sonenshein
Additional targets of the Bacillus subtilis global regulator CodY identified by chromatin immunoprecipitation and genome-wide transcript analysis.
J Bacteriol: 2003, 185(6);1911-22
[PubMed:12618455] [WorldCat.org] [DOI] (P p)