NarH

• Description: nitrate reductase (beta subunit)
  
  

Gene name	narH
Synonyms
Essential	no
Product	nitrate reductase (beta subunit)
Function	nitrate respiration, nitrogen assimilation
MW, pI	55 kDa, 5.108
Gene length, protein length	1461 bp, 487 aa
Immediate neighbours	narJ, narG
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

Categories containing this gene/protein

respiration, membrane proteins

This gene is a member of the following regulons

Fnr regulon

The gene

Basic information

• Locus tag: BSU37270

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: Nitrite + acceptor = nitrate + reduced acceptor (according to Swiss-Prot)

• Protein family:

• 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)

Database entries

• Structure:

• UniProt: P42176

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: narG-narH-narJ-narI PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • expressed under anaerobic conditions (Fnr) PubMed

• Regulatory mechanism:
  • Fnr: transcription activation PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Heike Reents, Richard Münch, Thorben Dammeyer, Dieter Jahn, Elisabeth Härtig
The Fnr regulon of Bacillus subtilis.
J Bacteriol: 2006, 188(3);1103-12
[PubMed:16428414] [WorldCat.org] [DOI] (P p)

M M Nakano, Y P Dailly, P Zuber, D P Clark
Characterization of anaerobic fermentative growth of Bacillus subtilis: identification of fermentation end products and genes required for growth.
J Bacteriol: 1997, 179(21);6749-55
[PubMed:9352926] [WorldCat.org] [DOI] (P p)

H Cruz Ramos, L Boursier, I Moszer, F Kunst, A Danchin, P Glaser
Anaerobic transcription activation in Bacillus subtilis: identification of distinct FNR-dependent and -independent regulatory mechanisms.
EMBO J: 1995, 14(23);5984-94
[PubMed:8846791] [WorldCat.org] [DOI] (P p)