PfkA

From SubtiWiki
Revision as of 14:19, 24 March 2009 by Jstuelk (talk | contribs) (Extended information on the protein)
Jump to: navigation, search
  • Description: phosphofructokinase, glycolytic enzyme

Gene name pfkA
Synonyms pfk
Essential yes
Product 6-phosphofructokinase
Function catabolic enzyme in glycolysis
MW, pI 34,1 kDa, 6.14
Gene length, protein length 957 bp, 319 amino acids
Immediate neighbours accA, pyk
Gene sequence (+200bp) Protein sequence
Genetic context
PfkA context.gif
This image was kindly provided by SubtiList



The gene

Basic information

  • Coordinates: 2985630 - 2986586

Phenotypes of a mutant

essential PubMed

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: ATP + D-fructose 6-phosphate = ADP + D-fructose 1,6-bisphosphate
  • Protein family: phosphofructokinase family
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
    • 3 x nucleotide binding domain (ATP) (21–25), (154–158), (171–187)
  • Modification:
  • Cofactor(s): ATP
  • Effectors of protein activity: inhibited by citrate, ATP, PEP, Ca2+, and others (in B. licheniformes) PubMed
  • Localization: Cytoplasm (Homogeneous) PubMed

Database entries

  • Structure: Geobacillus stearothermophilus NCBI, Mutant form, complex with fructose-6-phosphate Geobacillus stearothermophilus NCBI
  • Swiss prot entry: [3]
  • KEGG entry: [4]
  • E.C. number: [5]

Additional information

Expression and regulation

  • Sigma factor:
  • Regulation: twofold induced by glucose PubMed
  • Regulatory mechanism:
  • Additional information:

Biological materials

  • Mutant:
  • Expression vector: pGP393 (N-terminal His-tag, in pWH844), pGP87 (N-terminal Strep-tag, for SPINE, expression in B. subtilis, in pGP380), available in Stülke lab
  • lacZ fusion: pGP511 (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:

Labs working on this gene/protein

Jörg Stülke, University of Göttingen, Germany Homepage

Your additional remarks

References

  1. Meile et al. (2006) Systematic localisation of proteins fused to the green fluorescent protein in Bacillus subtilis: identification of new proteins at the DNA replication factory Proteomics 6: 2135-2146. PubMed
  2. Commichau, F. M., Rothe, F. M., Herzberg, C., Wagner, E., Hellwig, D., Lehnik-Habrink, M., Hammer, E., Völker, U. & Stülke, J. (2009) Novel activities of glycolytic enzymes in Bacillus subtilis: Interactions with essential proteins involved in mRNA processing. Mol. Cell. Proteomics in press PubMed
  3. Ludwig, H., Homuth, G., Schmalisch, M., Dyka, F. M., Hecker, M., and Stülke, J. (2001) Transcription of glycolytic genes and operons in Bacillus subtilis: evidence for the presence of multiple levels of control of the gapA operon. Mol Microbiol 41, 409-422. PubMed