SnaA

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  • Description: sulphur N-acetylase, required for the conversion of S-methyl-cysteine to cysteine

Gene name ytmI
Synonyms
Essential no
Product sulphur N-acetylase
Function utilization of S-methyl-cysteine
Gene expression levels in SubtiExpress: snaA
Metabolic function and regulation of this protein in SubtiPathways:
Riboflavin / FAD
MW, pI 20 kDa, 5.508
Gene length, protein length 534 bp, 178 aa
Immediate neighbours tcyJ, ascR
Sequences Protein DNA DNA_with_flanks
Genetic context
YtmI context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
YtmI expression.png















Categories containing this gene/protein

sulfur metabolism

This gene is a member of the following regulons

CymR regulon, AscR regulon

The gene

Basic information

  • Locus tag: BSU29390

Phenotypes of a mutant

  • reduced growth with S-methyl cysteine PubMed
  • the snaA snaB double mutant does not grow with S-methyl cysteine PubMed

Database entries

  • DBTBS entry: [1]
  • SubtiList entry: [2]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
    • N-acetylation of the amino group of S-methyl cysteine PubMed
  • Protein family: acetyltransferase family (according to Swiss-Prot)
  • Paralogous protein(s): SnaB

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:

Database entries

  • Structure:
  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation

  • Regulation:
    • repressed in the presence of cysteine (CymR) PubMed
    • induced in the presence of S-methyl-cysteine (AscR) PubMed
  • 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

Che-Man Chan, Antoine Danchin, Philippe Marlière, Agnieszka Sekowska
Paralogous metabolism: S-alkyl-cysteine degradation in Bacillus subtilis.
Environ Microbiol: 2014, 16(1);101-17
[PubMed:23944997] [WorldCat.org] [DOI] (I p)

Pierre Burguière, Juliette Fert, Isabelle Guillouard, Sandrine Auger, Antoine Danchin, Isabelle Martin-Verstraete
Regulation of the Bacillus subtilis ytmI operon, involved in sulfur metabolism.
J Bacteriol: 2005, 187(17);6019-30
[PubMed:16109943] [WorldCat.org] [DOI] (P p)

Kyle N Erwin, Shunji Nakano, Peter Zuber
Sulfate-dependent repression of genes that function in organosulfur metabolism in Bacillus subtilis requires Spx.
J Bacteriol: 2005, 187(12);4042-9
[PubMed:15937167] [WorldCat.org] [DOI] (P p)

Irina M Solovieva, Rimma A Kreneva, Lubov Errais Lopes, Daniel A Perumov
The riboflavin kinase encoding gene ribR of Bacillus subtilis is a part of a 10 kb operon, which is negatively regulated by the yrzC gene product.
FEMS Microbiol Lett: 2005, 243(1);51-8
[PubMed:15668000] [WorldCat.org] [DOI] (P p)

Jean-Yves Coppée, Sandrine Auger, Evelyne Turlin, Agnieszka Sekowska, Jean-Pierre Le Caer, Valérie Labas, Valérie Vagner, Antoine Danchin, Isabelle Martin-Verstraete
Sulfur-limitation-regulated proteins in Bacillus subtilis: a two-dimensional gel electrophoresis study.
Microbiology (Reading): 2001, 147(Pt 6);1631-1640
[PubMed:11390694] [WorldCat.org] [DOI] (P p)