UxaC

• Description: glucuronate isomerase (D-glucuronate, D-galacturonate)
  
  

Gene name	uxaC
Synonyms	yjmA
Essential	no
Product	glucuronate isomerase (D-glucuronate, D-galacturonate)
Function	hexuronate utilization
MW, pI	54 kDa, 5.174
Gene length, protein length	1419 bp, 473 aa
Immediate neighbours	ndh, yjmB
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: BSU12300

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: D-glucuronate = D-fructuronate (according to Swiss-Prot)

• Protein family: uronate isomerase 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:

Database entries

• Structure:

• UniProt: O34808

• KEGG entry: [3]

• E.C. number: 5.3.1.12

Expression and regulation

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

• Sigma factor: SigA 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)