pfkA
168
phosphofructokinase, glycolytic enzyme
Locus
BSU_29190
Molecular weight
34.10 kDa
Isoelectric point
6.14
Function
catabolic enzyme in glycolysis
Product
6-phosphofructokinase
Essential
no
E.C.
2.7.1.11
Synonyms
pfkA, pfk
Outlinks
Genomic Context
Categories containing this gene/protein
List of homologs in different organisms, belongs to COG0205 (Galperin et al., 2021)
This gene is a member of the following regulons
Gene
Coordinates
2,986,588 2,987,547
Phenotypes of a mutant
The protein
Catalyzed reaction/ biological activity
Protein family
phosphofructokinase type A (PFKA) family (single member, according to UniProt)
3 x nucleotide binding domain (ATP) (2125), (154158), (171187)
Mg2+
Structure
1MTO (PDB) (mutant, complex with fructose-6-P, Geobacillus stearothermophilus)
4PFK (PDB) (Geobacillus stearothermophilus)
Modification
phosphorylated on Arg-233 PubMed
Effectors of protein activity
Inhibited by citrate, PEP (Hill Coefficient 3) and Ca2+ (competes with Mg2+) in B. licheniformes PubMed.
Inhibited by ATP (competitively) and fructose-6-P (non-competitively) in G. stearothermophillus PubMed
Activated by GDP and ADP in lower concentrations (1 mM); above that inhibition, competing with the ATP for the binding site (in G. stearothermophillus) PubMed
Activated by NH4+ PubMed
Kinetic information
Allosteric Regulation (Reversible) PubMed
cytoplasm (homogeneous) PubMed
Additional information
PfkA is a moonlighting protein PubMed
extensive information on the structure and enzymatic properties of PfkA can be found at Proteopedia
Expression and Regulation
Operons
Biological materials
Mutant
GP1744: BSB1 pfkA::aphA3, available in Jörg Stülke' lab
Expression vectors
for expression/ purification from B. subtilis with N-terminal Strep-tag, for SPINE, in pGP380: pGP87, available in Jörg Stülke's lab, PubMed
for expression/ purification from B. subtilis with C-terminal Strep-tag, for SPINE, in pGP382: pGP1266, available in Jörg Stülke's lab
for expression/ purification from E. coli with N-terminal His-tag, in pWH844: pGP393, available in Jörg Stülke's lab
for expression in B. subtilis, in pBQ200: pGP1422, available in Jörg Stülke's lab
Two-hybrid system
B. pertussis adenylate cyclase-based bacterial two hybrid system (BACTH), available in Jörg Stülke's lab, PubMed
FLAG-tag construct
GP1019 (spc, based on pGP1331), available in Jörg Stülke's lab
LacZ fusion
pGP511 (in pAC6), available in Jörg Stülke's lab
GFP fusion
GP1720 (in pBP43), expression of pfkA-GFP::spc under the native promoter, available in Jörg Stülke's lab PubMed
Labs working on this gene/protein
Jörg Stülke, University of Göttingen, Germany Homepage
References
A comprehensive study of the interactions in the B. subtilis degradosome with special emphasis on the role of the small proteins SR1P and SR7P.Molecular microbiology. 2023 Nov 22; . PMID: 37994189
Diamide-based screening method for the isolation of improved oxidative stress tolerance phenotypes in Bacillus mutant libraries.Microbiology spectrum. 2023 Oct 11; :e0160823. PMID: 37819171
Single molecule/particle tracking analysis program SMTracker 2.0 reveals different dynamics of proteins within the RNA degradosome complex in Bacillus subtilis.Nucleic acids research. 2021 Aug 20; . PMID: 34417617
Study of DNA translocases inby single molecule tracking reveals strikingly different dynamics of SftA, SpoIIIE and FtsA.
Applied and environmental microbiology. 2018 Feb 09; . pii:AEM.02610-17. doi:10.1128/AEM.02610-17. PMID:29439991
Construction and Analysis of Two Genome-Scale Deletion Libraries for Bacillus subtilis.
Cell systems. 2017 Mar 22; 4(3):291-305.e7. pii:S2405-4712(16)30447-1. doi:10.1016/j.cels.2016.12.013. PMID:28189581
Localization of Components of the RNA-Degrading Machine in Bacillus subtilis.
Frontiers in microbiology. 2016; 7:1492. . PMID:27708634
Essential genes in Bacillus subtilis: a re-evaluation after ten years.
Molecular bioSystems. 2013 Jun; 9(6):1068-75. doi:10.1039/c3mb25595f. PMID:23420519
Global impact of protein arginine phosphorylation on the physiology of Bacillus subtilis.
Proceedings of the National Academy of Sciences of the United States of America. 2012 May 08; 109(19):7451-6. doi:10.1073/pnas.1117483109. PMID:22517742
Dissection of the network of interactions that links RNA processing with glycolysis in the Bacillus subtilis degradosome.
Journal of molecular biology. 2012 Feb 10; 416(1):121-36. doi:10.1016/j.jmb.2011.12.024. PMID:22198292
Dissection of the network of interactions that links RNA processing with glycolysis in the Bacillus subtilis degradosome.
Journal of molecular biology. 2012 Feb 10; 416(1):121-36. doi:10.1016/j.jmb.2011.12.024. PMID:22198292
RNase Y in Bacillus subtilis: a Natively disordered protein that is the functional equivalent of RNase E from Escherichia coli.
Journal of bacteriology. 2011 Oct; 193(19):5431-41. doi:10.1128/JB.05500-11. PMID:21803996
The RNA degradosome in Bacillus subtilis: identification of CshA as the major RNA helicase in the multiprotein complex.
Molecular microbiology. 2010 Aug; 77(4):958-71. doi:10.1111/j.1365-2958.2010.07264.x. PMID:20572937
Effect of pfkA chromosomal interruption on growth, sporulation, and production of organic acids in Bacillus subtilis.
Journal of basic microbiology. 2010 Jun; 50(3):232-40. doi:10.1002/jobm.200900236. PMID:20473954
Novel activities of glycolytic enzymes in Bacillus subtilis: interactions with essential proteins involved in mRNA processing.
Molecular & cellular proteomics : MCP. 2009 Jun; 8(6):1350-60. doi:10.1074/mcp.M800546-MCP200. PMID:19193632
Systematic localisation of proteins fused to the green fluorescent protein in Bacillus subtilis: identification of new proteins at the DNA replication factory.
Proteomics. 2006 Apr; 6(7):2135-46. . PMID:16479537
Transcription of glycolytic genes and operons in Bacillus subtilis: evidence for the presence of multiple levels of control of the gapA operon.
Molecular microbiology. 2001 Jul; 41(2):409-22. . PMID:11489127
Kinetic characteristics of phosphofructokinase from Bacillus stearothermophilus: MgATP nonallosterically inhibits the enzyme.
Biochemistry. 1994 Mar 22; 33(11):3424-31. . PMID:8136379
Role of glycine 212 in the allosteric behavior of phosphofructokinase from Bacillus stearothermophilus.
Biochemistry. 1995 Feb 28; 34(8):2560-5. . PMID:7873536
Purification and characterization of phosphofructokinase of Bacillus licheniformis.
Archives of biochemistry and biophysics. 1973 May; 156(1):1-16. . PMID:4269800
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Time of last update: 2025-04-07 05:00:52
Author of last update: Jstuelk