SacT

• Description: transcriptional antiterminator for the sacP-sacA operon
  
  

Gene name	sacT
Synonyms	ipa-47d
Essential	no
Product	transcriptional antiterminator
Function	regulation of sucrose utilization
MW, pI	31 kDa, 5.587
Gene length, protein length	828 bp, 276 aa
Immediate neighbours	ywcJ, ywcI
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

The gene

Basic information

• Locus tag: BSU38070

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: binding to the mRNA of the sacP-sacA operon, causes transcription antitermination (in presence of sucrose and absence of glucose)

• Protein family: transcriptional antiterminator bglG family (according to Swiss-Prot) BglG family of antiterminators

• Paralogous protein(s): LicT, SacY, GlcT

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions: PtsH-SacT

• Localization:

Database entries

• Structure:

• Swiss prot entry: P26212

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon:

• Sigma factor:

• Regulation: repressed by casamino acids PubMed

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

1. Mäder et al. (2002) Transcriptome and Proteome Analysis of Bacillus subtilis Gene Expression Modulated by Amino Acid Availability. J. Bacteriol 184: 1844288-4295 PubMed
2. Débarbouillé, M., Arnaud, M., Fouet, A., Klier, A., and Rapoport, G. (1990) The sacT gene regulating the sacPA operon in Bacillus subtilis shares strong homology with transcriptional antiterminators. J Bacteriol 172: 3966-3973. PubMed
3. Arnaud, M., Vary, P., Zagorec, M., Klier, A., Débarbouillé, M., Postma, P., and Rapoport, G. (1992) Regulation of the sacPA operon of Bacillus subtilis: identification of phosphotransferase system components involved in SacT activity. J Bacteriol 174: 3161-3170. PubMed
4. Arnaud, M., Débarbouillé, M., Rapoport, G., Saier, M. H., and Reizer, J. (1996) In vitro reconstitution of transcriptional antitermination by the SacT and SacY proteins of Bacillus subtilis. J Biol Chem 271: 18966-18972. PubMed
5. Aymerich, S. and Steinmetz, M. (1992) Specificity determinants and structural features in the RNA target of the bacterial antiterminator proteins of the BglG/SacY family. Proc. Natl. Acad. Sci. USA 89, 10410-10414. PubMed
6. Author1, Author2 & Author3 (year) Title Journal volume: page-page. PubMed