Difference between revisions of "Eno"

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(Database entries)
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=== Database entries ===
 
=== Database entries ===
  
* '''Structure:''' [http://www.rcsb.org/pdb/cgi/explore.cgi?pdbId=3ES8 3ES8] (from ''Oceanobacillus iheyensis'', complex with Mg(2+) and malate)
+
* '''Structure:''' [http://www.rcsb.org/pdb/cgi/explore.cgi?pdbId=3ES8 3ES8] (from ''Oceanobacillus iheyensis'', complex with Mg(2+) and malate)
  
 
* '''UniProt:''' [http://www.uniprot.org/uniprot/P37869 P37869]
 
* '''UniProt:''' [http://www.uniprot.org/uniprot/P37869 P37869]

Revision as of 12:38, 4 August 2009

  • Description: enolase, glycolytic/ gluconeogenic enzyme

Gene name eno
Synonyms
Essential yes
Product enolase
Function enzyme in glycolysis/ gluconeogenesis
Metabolic function and regulation of this protein in SubtiPathways:
Central C-metabolism
MW, pI 46,4 kDa, 4.49
Gene length, protein length 1290 bp, 430 amino acids
Immediate neighbours pgm, yvgK
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
Eno context.gif
This image was kindly provided by SubtiList








The gene

Basic information

  • Locus tag: BSU33900

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: 2-phospho-D-glycerate = phosphoenolpyruvate + H2O (according to Swiss-Prot) 2-phospho-D-glycerate = phosphoenolpyruvate + H(2)O
  • Protein family: enolase family (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information: Reversible Michaelis-Menten PubMed
  • Domains:
    • substrate binding domain (366–369)
  • Modification: phosphorylation on Thr-141 AND Ser-259 AND Tyr-281 AND Ser-325 PubMed, PubMed, PubMed
  • Cofactor(s): Mg2+
  • Effectors of protein activity:
  • Localization: cytoplasm (according to Swiss-Prot), cytoplasm PubMed and membrane associated PubMed

Database entries

  • Structure: 3ES8 (from Oceanobacillus iheyensis, complex with Mg(2+) and malate)
  • KEGG entry: [3]

Additional information

There are indications that this enzyme is an octamer PubMed

Expression and regulation

  • Regulatory mechanism: transcription repression by CggR PubMed
  • Additional information:

Biological materials

  • Mutant: GP698 (cat), available in Stülke lab
  • Expression vector:
    • pGP563 (N-terminal His-tag, in pWH844), available in Stülke lab
    • pGP93 (N-terminal Strep-tag, purification from B. subtilis, for SPINE, in pGP380), available in Stülke lab
    • pGP1500 (expression in B. subtilis, in pBQ200), available in Stülke lab
  • lacZ fusion:
  • GFP fusion: pHT315-yfp-eno, available in Mijakovic lab
  • two-hybrid system: B. pertussis adenylate cyclase-based bacterial two hybrid system (BACTH), available in Stülke lab
  • Antibody: available in Stülke lab

Labs working on this gene/protein

Jörg Stülke, University of Göttingen, Germany Homepage

Your additional remarks

References

Fabian M Commichau, Fabian M Rothe, Christina Herzberg, Eva Wagner, Daniel Hellwig, Martin Lehnik-Habrink, Elke Hammer, Uwe Völker, Jörg Stülke
Novel activities of glycolytic enzymes in Bacillus subtilis: interactions with essential proteins involved in mRNA processing.
Mol. Cell Proteomics: 2009, 8(6);1350-60
[PubMed:19193632] [WorldCat.org] [DOI] (I p)

Christine Eymann, Dörte Becher, Jörg Bernhardt, Katrin Gronau, Anja Klutzny, Michael Hecker
Dynamics of protein phosphorylation on Ser/Thr/Tyr in Bacillus subtilis.
Proteomics: 2007, 7(19);3509-26
[PubMed:17726680] [WorldCat.org] [DOI] (P p)

Laurent Jannière, Danielle Canceill, Catherine Suski, Sophie Kanga, Bérengère Dalmais, Roxane Lestini, Anne-Françoise Monnier, Jérôme Chapuis, Alexander Bolotin, Marina Titok, Emmanuelle Le Chatelier, S Dusko Ehrlich
Genetic evidence for a link between glycolysis and DNA replication.
PLoS ONE: 2007, 2(5);e447
[PubMed:17505547] [WorldCat.org] [DOI] (I e)

Boris Macek, Ivan Mijakovic, Jesper V Olsen, Florian Gnad, Chanchal Kumar, Peter R Jensen, Matthias Mann
The serine/threonine/tyrosine phosphoproteome of the model bacterium Bacillus subtilis.
Mol. Cell Proteomics: 2007, 6(4);697-707
[PubMed:17218307] [WorldCat.org] [DOI] (P p)

Hans-Matti Blencke, Georg Homuth, Holger Ludwig, Ulrike Mäder, Michael Hecker, Jörg Stülke
Transcriptional profiling of gene expression in response to glucose in Bacillus subtilis: regulation of the central metabolic pathways.
Metab. Eng.: 2003, 5(2);133-49
[PubMed:12850135] [WorldCat.org] (P p)

H Ludwig, G Homuth, M Schmalisch, F M Dyka, M Hecker, J Stülke
Transcription of glycolytic genes and operons in Bacillus subtilis: evidence for the presence of multiple levels of control of the gapA operon.
Mol. Microbiol.: 2001, 41(2);409-22
[PubMed:11489127] [WorldCat.org] [DOI] (P p)

M A Leyva-Vazquez, P Setlow
Cloning and nucleotide sequences of the genes encoding triose phosphate isomerase, phosphoglycerate mutase, and enolase from Bacillus subtilis.
J. Bacteriol.: 1994, 176(13);3903-10
[PubMed:8021172] [WorldCat.org] [DOI] (P p)

R P Singh, P Setlow
Enolase from spores and cells of Bacillus megaterium: two-step purification of the enzyme and some of its properties.
J. Bacteriol.: 1978, 134(1);353-5
[PubMed:25885] [WorldCat.org] (P p)