Pgk

• Description: phosphoglycerate kinase, glycolytic/ gluconeogenic enzyme, universally conserved protein
  
  

Gene name	pgk
Synonyms
Essential	No
Product	phosphoglycerate kinase
Function	enzyme in glycolysis/ gluconeogenesis
Gene expression levels in SubtiExpress: pgk
Metabolic function and regulation of this protein in SubtiPathways: Central C-metabolism
MW, pI	42,0 kDa, 4.77
Gene length, protein length	1182 bp, 394 amino acids
Immediate neighbours	tpi, gapA
Sequences	Protein DNA DNA_with_flanks
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

ATP synthesis, carbon core metabolism, phosphoproteins, universally conserved proteins

This gene is a member of the following regulons

CggR regulon

The gene

Basic information

• Locus tag: BSU33930

Phenotypes of a mutant

• essential PubMed, non-essential according to PubMed

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: ATP + 3-phospho-D-glycerate = ADP + 1,3-bisphosphoglycerate (according to Swiss-Prot)

• Protein family: phosphoglycerate kinase family (according to Swiss-Prot)
• Paralogous protein(s):

Extended information on the protein

• Kinetic information: Two Substrate Reversible Michaelis-Menten PubMed

• Domains:
  • nucleotide binding domain (ATP) (350–353)
  • 2x substrate binding domain (21–23), (59–62)

• Modification: phosphorylation on Ser-183 AND Thr-299 PubMed, PubMed

• Cofactor(s): Mg2+ or Mn2+ PubMed

• Effectors of protein activity:
  • Inhibited by Co2+, NDP and NMP PubMed

• Interactions:

• Localization: cytoplasm (according to Swiss-Prot), Cytoplasm (Homogeneous) PubMed

Database entries

• Structure: 1PHP (from Geobacillus stearothermophilus)

• UniProt: P40924

• KEGG entry: [3]

• E.C. number: 2.7.2.3

Additional information

• extensive information on the structure and enzymatic properties of Pgk can be found at Proteopedia

Expression and regulation

• Operon:
  • cggR-gapA-pgk-tpiA-pgm-eno PubMed
  • pgk-tpiA-pgm-eno PubMed

• Expression browser: pgk PubMed

• Sigma factor:
  • cggR: SigA PubMed
  • pgk: SigA PubMed

• Regulation:
  • expression activated by glucose (3.3 fold) PubMed
  • cggR: induced by glycolytic substrates CggR PubMed
  • pgk: constitutive PubMed

• Regulatory mechanism: transcription repression by CggR PubMed

• Additional information:

Biological materials

• Mutant:
  • GP699 (pgk::cat), available in Stülke lab
  • GP707 (pgk::erm), available in Stülke lab

• Expression vector:
  • pGP1102 (N-terminal His-tag, in pWH844), available in Stülke lab
  • pGP95 (N-terminal Strep-tag, in pGP172), available in Stülke lab
  • pGP91 (N-terminal Strep-tag, for SPINE, expression in B. subtilis, in pGP380), available in Stülke lab
  • pGP1513 (expression in B. subtilis, in pBQ200), available in Stülke lab

• lacZ fusion: pGP514 (in pAC6), a series of promoter deletion variants is also available in pAC6, available in Stülke lab

• GFP fusion:

• two-hybrid system: B. pertussis adenylate cyclase-based bacterial two hybrid system (BACTH), available in Stülke lab

• Antibody:

References

Fabian M Commichau, Nico Pietack, Jörg Stülke
Essential genes in Bacillus subtilis: a re-evaluation after ten years.
Mol Biosyst: 2013, 9(6);1068-75
[PubMed:23420519] [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)

Jean-Christophe Meile, Ling Juan Wu, S Dusko Ehrlich, Jeff Errington, Philippe Noirot
Systematic localisation of proteins fused to the green fluorescent protein in Bacillus subtilis: identification of new proteins at the DNA replication factory.
Proteomics: 2006, 6(7);2135-46
[PubMed:16479537] [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] [DOI] (P p)

K Kobayashi, S D Ehrlich, A Albertini, G Amati, K K Andersen, M Arnaud, K Asai, S Ashikaga, S Aymerich, P Bessieres, F Boland, S C Brignell, S Bron, K Bunai, J Chapuis, L C Christiansen, A Danchin, M Débarbouille, E Dervyn, E Deuerling, K Devine, S K Devine, O Dreesen, J Errington, S Fillinger, S J Foster, Y Fujita, A Galizzi, R Gardan, C Eschevins, T Fukushima, K Haga, C R Harwood, M Hecker, D Hosoya, M F Hullo, H Kakeshita, D Karamata, Y Kasahara, F Kawamura, K Koga, P Koski, R Kuwana, D Imamura, M Ishimaru, S Ishikawa, I Ishio, D Le Coq, A Masson, C Mauël, R Meima, R P Mellado, A Moir, S Moriya, E Nagakawa, H Nanamiya, S Nakai, P Nygaard, M Ogura, T Ohanan, M O'Reilly, M O'Rourke, Z Pragai, H M Pooley, G Rapoport, J P Rawlins, L A Rivas, C Rivolta, A Sadaie, Y Sadaie, M Sarvas, T Sato, H H Saxild, E Scanlan, W Schumann, J F M L Seegers, J Sekiguchi, A Sekowska, S J Séror, M Simon, P Stragier, R Studer, H Takamatsu, T Tanaka, M Takeuchi, H B Thomaides, V Vagner, J M van Dijl, K Watabe, A Wipat, H Yamamoto, M Yamamoto, Y Yamamoto, K Yamane, K Yata, K Yoshida, H Yoshikawa, U Zuber, N Ogasawara
Essential Bacillus subtilis genes.
Proc Natl Acad Sci U S A: 2003, 100(8);4678-83
[PubMed:12682299] [WorldCat.org] [DOI] (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)

K Suzuki, K Imahori
Phosphoglycerate kinase from Bacillus stearothermophilus.
Methods Enzymol: 1982, 90 Pt E;126-30
[PubMed:7154941] [WorldCat.org] [DOI] (P p)