Difference between revisions of "Easter egg"

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Hi!
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* '''Description:''' enolase, glycolytic/ gluconeogenic enzyme, [[universally conserved protein]]<br/><br/>
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{| align="right" border="1" cellpadding="2"
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|-
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|style="background:#ABCDEF;" align="center"|'''Gene name'''
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|''eno''
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|-
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|style="background:#ABCDEF;" align="center"| '''Synonyms''' || '' ''
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|-
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|style="background:#ABCDEF;" align="center"| '''Essential''' || no
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|-
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|style="background:#ABCDEF;" align="center"| '''Product''' || enolase
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|-
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|style="background:#ABCDEF;" align="center"|'''Function''' || enzyme in glycolysis/ gluconeogenesis
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|-
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|colspan="2" style="background:#FAF8CC;" align="center"| '''Metabolic function and regulation of this protein in [[SubtiPathways|''Subti''Pathways]]: <br/>[http://subtiwiki.uni-goettingen.de/pathways/carbon_flow.html Central C-metabolism]'''
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|-
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|style="background:#ABCDEF;" align="center"| '''MW, pI''' || 46,4 kDa, 4.49
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|-
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|style="background:#ABCDEF;" align="center"| '''Gene length, protein length''' || 1290 bp, 430 amino acids
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|-
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|style="background:#ABCDEF;" align="center"|'''Immediate neighbours''' || ''[[yvbK]]'', ''[[pgm]]''
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|-
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|colspan="2" style="background:#FAF8CC;" align="center"|'''Get the DNA and protein [http://srs.ebi.ac.uk/srsbin/cgi-bin/wgetz?-e+&#91;EMBLCDS:CAB15395&#93;+-newId sequences] <br/> (Barbe ''et al.'', 2009)'''
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|-
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|colspan="2" | '''Genetic context''' <br/> [[Image:eno_context.gif]]
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<div align="right"> <small>This image was kindly provided by [http://genolist.pasteur.fr/SubtiList/ SubtiList]</small></div>
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|-
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|}
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__TOC__
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<br/><br/><br/><br/><br/><br/>
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=The gene=
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 +
=== Basic information ===
 +
 
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* '''Locus tag:''' BSU33900
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 +
===Phenotypes of a mutant ===
 +
* no growth on LB, requires glucose and malate
 +
* essential according to Kobayashi et al. on LB  [http://www.ncbi.nlm.nih.gov/pubmed/12682299 PubMed]
 +
 
 +
=== Database entries ===
 +
 
 +
* '''DBTBS entry:''' [http://dbtbs.hgc.jp/COG/prom/cggR-gapA-pgk-tpiA-pgm-eno.html]
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* '''SubtiList entry:''' [http://genolist.pasteur.fr/SubtiList/genome.cgi?gene_detail+BG10899]
 +
 
 +
=== Additional information===
 +
 
 +
=The protein=
 +
 
 +
=== Basic information/ Evolution ===
 +
 
 +
* '''Catalyzed reaction/ biological activity:''' 2-phospho-D-glycerate = phosphoenolpyruvate + H<sub>2</sub>O (according to Swiss-Prot) 2-phospho-D-glycerate = phosphoenolpyruvate + H(2)O
 +
 
 +
* '''Protein family:''' enolase family (according to Swiss-Prot)
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 +
* '''Paralogous protein(s):'''
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 +
=== Extended information on the protein ===
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 +
* '''Kinetic information:''' reversible Michaelis-Menten [http://www.ncbi.nlm.nih.gov/sites/entrez/25885 PubMed]
 +
 
 +
* '''Domains:'''
 +
** substrate binding domain (366–369)
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 +
* '''Modification:''' phosphorylation on Thr-141 AND Ser-259 AND Tyr-281 AND Ser-325 [http://www.ncbi.nlm.nih.gov/sites/entrez/17218307 PubMed], [http://www.ncbi.nlm.nih.gov/pubmed/16493705 PubMed], [http://www.ncbi.nlm.nih.gov/pubmed/17726680 PubMed]
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* '''Cofactor(s):''' Mg2+
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* '''Effectors of protein activity:'''
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** Inhibited by EDTA [http://www.ncbi.nlm.nih.gov/sites/entrez/25885 PubMed]
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* '''Interactions:''' [[Eno]]-[[PfkA]] {{PubMed|19193632}}, [[Eno]]-[[Rny]] {{PubMed|19193632}}, [[Eno]]-[[CshA]] {{PubMed|20572937}}
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* '''Localization:''' cytoplasm [http://www.ncbi.nlm.nih.gov/sites/entrez/16479537 PubMed] and membrane associated [http://www.ncbi.nlm.nih.gov/sites/entrez/18763711 PubMed], exported {{PubMed|15003462}}
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=== Database entries ===
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 +
* '''Structure:''' [http://www.rcsb.org/pdb/cgi/explore.cgi?pdbId=1W6T 1W6T] (from ''Streptococcus pneumoniae'') {{PubMed|15476816}}
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* '''UniProt:''' [http://www.uniprot.org/uniprot/P37869 P37869]
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* '''KEGG entry:''' [http://www.genome.jp/dbget-bin/www_bget?bsu:BSU33900]
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* '''E.C. number:''' [http://www.expasy.org/enzyme/4.2.1.11 4.2.1.11]
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=== Additional information===
 +
* Enolase is a [[moonlighting proteins|moonlighting protein]]. [http://www.ncbi.nlm.nih.gov/sites/entrez/19193632 PubMed]
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* There are indications that this enzyme is an octamer [http://www.ncbi.nlm.nih.gov/sites/entrez/25885 PubMed]
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* [[universally conserved protein]]
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=Expression and regulation=
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* '''Operon:'''
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** ''[[cggR]]-[[gapA]]-[[pgk]]-[[tpiA]]-[[pgm]]-[[eno]]'' {{PubMed|11489127}}
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** ''[[pgk]]-[[tpiA]]-[[pgm]]-[[eno]]'' {{PubMed|11489127}}
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* '''Sigma factor:''' [[SigA]] {{PubMed|11489127}}
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* '''Regulation:'''
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** expression activated by glucose (3.3 fold) [http://www.ncbi.nlm.nih.gov/pubmed/12850135 PubMed] 
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** ''[[cggR]]'': induced by glycolytic substrates [[CggR]] {{PubMed|11489127}}
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** ''[[pgk]]'': constitutive {{PubMed|11489127}}
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* '''Regulatory mechanism:''' transcription repression by [[CggR]] {{PubMed|11489127}}
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* '''Additional information:'''
 +
 
 +
=Biological materials =
 +
 
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* '''Mutant:'''
 +
** GP594 (''eno''::''cat''), available in [[Stülke]] lab
 +
** GP599 (''eno''::''erm''), available in [[Stülke]] lab
 +
** GP698 (''eno''-''[[pgm]]''::''cat''), available in [[Stülke]] lab
 +
 
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* '''Expression vector:'''
 +
** pGP1426 (expression of ''eno'' in ''B. subtilis'', in [[pBQ200]]), available in [[Stülke]] lab
 +
** pGP399 (expression of ''eno'' from ''E. coli'' in ''B. subtilis'', in [[pBQ200]]), available in [[Stülke]] lab
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** pGP563 (N-terminal His-tag, in [[pWH844]]), available in [[Stülke]] lab
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** pGP93 (N-terminal Strep-tag, purification from ''B. subtilis'', for [[SPINE]], in [[pGP380]]), available in [[Stülke]] lab
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** pGP1500 (expression of ''[[pgm]]'' and ''[[eno]]'' in ''B. subtilis'', in [[pBQ200]]), available in [[Stülke]] lab
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* '''lacZ fusion:'''
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** see ''[[pgk]]''
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* '''GFP fusion:''' pHT315-yfp-eno, available in [[Mijakovic]] lab
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* '''two-hybrid system:''' ''B. pertussis'' adenylate cyclase-based bacterial two hybrid system ([[BACTH]]), available in [[Stülke]] lab
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* '''Antibody:''' available in [[Stülke]] lab
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=Labs working on this gene/protein=
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 +
[[Stülke|Jörg Stülke]], University of Göttingen, Germany
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[http://wwwuser.gwdg.de/~genmibio/stuelke.html Homepage]
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=Your additional remarks=
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=References=
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==Reviews==
 +
<pubmed> 8994873 </pubmed>
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==Subcellular localization of enolase==
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<pubmed> 16479537 18763711 15003462 20497499 </pubmed>
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==Other original publications==
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<pubmed> 17726680, 17218307, 12850135, 19193632, 11489127, 8021172, 17505547, 25885, 20572937 15476816 9988532 </pubmed>
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[[Category:Protein-coding genes]]

Revision as of 13:12, 29 November 2010

Gene name eno
Synonyms
Essential no
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 yvbK, pgm
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

  • no growth on LB, requires glucose and malate
  • essential according to Kobayashi et al. on LB PubMed

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:

Database entries

  • Structure: 1W6T (from Streptococcus pneumoniae) PubMed
  • KEGG entry: [3]

Additional information

Expression and regulation

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

Biological materials

  • Mutant:
    • GP594 (eno::cat), available in Stülke lab
    • GP599 (eno::erm), available in Stülke lab
    • GP698 (eno-pgm::cat), available in Stülke lab
  • Expression vector:
    • pGP1426 (expression of eno in B. subtilis, in pBQ200), available in Stülke lab
    • pGP399 (expression of eno from E. coli in B. subtilis, in pBQ200), available in Stülke lab
    • 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 of pgm and eno 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

Reviews

G H Reed, R R Poyner, T M Larsen, J E Wedekind, I Rayment
Structural and mechanistic studies of enolase.
Curr Opin Struct Biol: 1996, 6(6);736-43
[PubMed:8994873] [WorldCat.org] [DOI] (P p)

Subcellular localization of enolase

Other original publications

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