LevD

• Description: fructose-specific phosphotransferase system, EIIA component of the PTS
  
  

Gene name	levD
Synonyms
Essential	no
Product	fructose-specific phosphotransferase system, EIIA component
Function	fructose uptake and phosphorylation
Metabolic function and regulation of this protein in SubtiPathways: Sugar catabolism
MW, pI	16 kDa, 4.479
Gene length, protein length	438 bp, 146 aa
Immediate neighbours	levE, levR
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: BSU27070

Database entries

• DBTBS entry: no entry

• SubtiList entry: [1]

Categories containing this gene/protein

phosphotransferase systems, utilization of specific carbon sources, phosphoproteins

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: Protein EIIA N(pi)-phospho-L-histidine + protein EIIB = protein EIIA + protein EIIB N(pi)-phospho-L-histidine (according to Swiss-Prot)

• Protein family: PTS permease, mannose permease (Man) family PubMed

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization: cytoplasm (according to Swiss-Prot)

Database entries

• Structure:

• UniProt: P26379

• KEGG entry: [2]

• E.C. number: 2.7.1.69

Expression and regulation

• Operon: levD-levE-levF-levG-sacC PubMed

• Sigma factor: SigL PubMed

• Regulation:
  • subject to carbon catabolite repression (CcpA, LevR) PubMed
  • induced in the presence of fructose (LevR) PubMed

• Regulatory mechanism:
  • CcpA: transcription repression PubMed
  • LevR: transcription activation PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Jonathan Reizer, Steffi Bachem, Aiala Reizer, Maryvonne Arnaud, Milton H Saier, Jörg Stülke
Novel phosphotransferase system genes revealed by genome analysis - the complete complement of PTS proteins encoded within the genome of Bacillus subtilis.
Microbiology (Reading): 1999, 145 ( Pt 12);3419-3429
[PubMed:10627040] [WorldCat.org] [DOI] (P p)

V Charrier, J Deutscher, A Galinier, I Martin-Verstraete
Protein phosphorylation chain of a Bacillus subtilis fructose-specific phosphotransferase system and its participation in regulation of the expression of the lev operon.
Biochemistry: 1997, 36(5);1163-72
[PubMed:9033408] [WorldCat.org] [DOI] (P p)

J Stülke, I Martin-Verstraete, V Charrier, A Klier, J Deutscher, G Rapoport
The HPr protein of the phosphotransferase system links induction and catabolite repression of the Bacillus subtilis levanase operon.
J Bacteriol: 1995, 177(23);6928-36
[PubMed:7592487] [WorldCat.org] [DOI] (P p)

I Martin-Verstraete, J Stülke, A Klier, G Rapoport
Two different mechanisms mediate catabolite repression of the Bacillus subtilis levanase operon.
J Bacteriol: 1995, 177(23);6919-27
[PubMed:7592486] [WorldCat.org] [DOI] (P p)

I Martin-Verstraete, M Débarbouillé, A Klier, G Rapoport
Mutagenesis of the Bacillus subtilis "-12, -24" promoter of the levanase operon and evidence for the existence of an upstream activating sequence.
J Mol Biol: 1992, 226(1);85-99
[PubMed:1619665] [WorldCat.org] [DOI] (P p)

M Débarbouillé, I Martin-Verstraete, F Kunst, G Rapoport
The Bacillus subtilis sigL gene encodes an equivalent of sigma 54 from gram-negative bacteria.
Proc Natl Acad Sci U S A: 1991, 88(20);9092-6
[PubMed:1924373] [WorldCat.org] [DOI] (P p)

M Débarbouillé, I Martin-Verstraete, A Klier, G Rapoport
The transcriptional regulator LevR of Bacillus subtilis has domains homologous to both sigma 54- and phosphotransferase system-dependent regulators.
Proc Natl Acad Sci U S A: 1991, 88(6);2212-6
[PubMed:1900939] [WorldCat.org] [DOI] (P p)

I Martin-Verstraete, M Débarbouillé, A Klier, G Rapoport
Levanase operon of Bacillus subtilis includes a fructose-specific phosphotransferase system regulating the expression of the operon.
J Mol Biol: 1990, 214(3);657-71
[PubMed:2117666] [WorldCat.org] [DOI] (P p)