Nos

• Description: nitric-oxide synthase
  
  

Gene name	nos
Synonyms	yflM
Essential	no
Product	nitric-oxide synthase
Function	production of nitric oxide
MW, pI	38 kDa, 5.528
Gene length, protein length	1008 bp, 336 aa
Immediate neighbours	yflN, yflL
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

Categories containing this gene/protein

miscellaneous metabolic pathways, biosynthesis of antibacterial compounds

The gene

Basic information

• Locus tag: BSU07630

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: Bacterial NOS oxygenase subfamily (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s): heme PubMed

• Effectors of protein activity:

• Interactions:

• Localization:

Database entries

• Structure: 2AMO (loose dimer), 1M7V (bound to tetrahydrofolate and arginine)

• UniProt: O34453

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: nos-yflK (according to DBTBS)

• Sigma factor:

• Regulation:

• Regulatory mechanism:

• Additional information: Note that the gene yflL is located between nos and yflK, but on the opposite strand.

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Albane Brunel, Adjélé Wilson, Laura Henry, Pierre Dorlet, Jérôme Santolini
The proximal hydrogen bond network modulates Bacillus subtilis nitric-oxide synthase electronic and structural properties.
J Biol Chem: 2011, 286(14);11997-2005
[PubMed:21310962] [WorldCat.org] [DOI] (I p)

Zhi-Qiang Wang, Chin-Chuan Wei, Dennis J Stuehr
How does a valine residue that modulates heme-NO binding kinetics in inducible NO synthase regulate enzyme catalysis?
J Inorg Biochem: 2010, 104(3);349-56
[PubMed:20006999] [WorldCat.org] [DOI] (I p)

Kartikeya Pant, Alexandrine M Bilwes, Subrata Adak, Dennis J Stuehr, Brian R Crane
Structure of a nitric oxide synthase heme protein from Bacillus subtilis.
Biochemistry: 2002, 41(37);11071-9
[PubMed:12220171] [WorldCat.org] [DOI] (P p)

Subrata Adak, Kulwant S Aulak, Dennis J Stuehr
Direct evidence for nitric oxide production by a nitric-oxide synthase-like protein from Bacillus subtilis.
J Biol Chem: 2002, 277(18);16167-71
[PubMed:11856757] [WorldCat.org] [DOI] (P p)