ExuT

• Description: galacturonate transport in via proton symport, glucuronate transport in via proton symport
  
  

Gene name	exuT
Synonyms	yjmG
Essential	no
Product	hexuronate transporter
Function	hexuronate uptake
MW, pI	45 kDa, 9.614
Gene length, protein length	1266 bp, 422 aa
Immediate neighbours	yjmF, exuR
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

Categories containing this gene/protein

transporters/ other, utilization of specific carbon sources, sporulation proteins, membrane proteins

This gene is a member of the following regulons

CcpA regulon, ExuR regulon, SigE regulon

The gene

Basic information

• Locus tag: BSU12360

Database entries

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: Phthalate permease 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)

Database entries

• Structure:

• UniProt: O34456

• KEGG entry: [2]

• E.C. number:

Expression and regulation

• Operon:
  • uxaC-yjmB-yjmC-yjmD-uxuA-yjmF-exuT-exuR-uxaB-uxaA PubMed
  • yjmC-yjmD-uxuA-yjmF-exuT-exuR-uxaB-uxaA PubMed

• Sigma factor: SigE PubMed
  • uxaC: SigA PubMed
  • yjmC: SigE PubMed

• Regulation:
  • repressed by glucose (CcpA) PubMed1 PubMed2
  • induced by galacturonate (ExuR) PubMed

• Regulatory mechanism:
  • CcpA: transcription repression PubMed1 PubMed2
  • ExuR: reanscription repression in the absence of inducer PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Y Miwa, A Nakata, A Ogiwara, M Yamamoto, Y Fujita
Evaluation and characterization of catabolite-responsive elements (cre) of Bacillus subtilis.
Nucleic Acids Res: 2000, 28(5);1206-10
[PubMed:10666464] [WorldCat.org] [DOI] (I p)

K R Mekjian, E M Bryan, B W Beall, C P Moran
Regulation of hexuronate utilization in Bacillus subtilis.
J Bacteriol: 1999, 181(2);426-33
[PubMed:9882655] [WorldCat.org] [DOI] (P p)

Carlo Rivolta, Blazenka Soldo, Vladimir Lazarevic, Bernard Joris, Catherine Mauël, Dimitri Karamat
A 35.7 kb DNA fragment from the Bacillus subtilis chromosome containing a putative 12.3 kb operon involved in hexuronate catabolism and a perfectly symmetrical hypothetical catabolite-responsive element.
Microbiology (Reading): 1998, 144 ( Pt 4);877-884
[PubMed:9579062] [WorldCat.org] [DOI] (P p)