F0137
Fructose-6-phosphate Kinase from Bacillus stearothermophilus
Type VII, lyophilized powder, ≥50 units/mg protein
Synonym(e):
6-Phosphofructokinase, ATP:D-fructose 6-phosphate 1-phosphotransferase
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About This Item
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Typ
Type VII
Form
lyophilized powder
Spezifische Aktivität
≥50 units/mg protein
Mol-Gew.
34 kDa
Versandbedingung
wet ice
Lagertemp.
−20°C
Allgemeine Beschreibung
Fructose-6-phosphate kinase from Bacillus stearothermophilus, a 34 kDa enzyme, belongs to phosphofructokinase (PFK) - like superfamily. The glutamate 161 and arginine 162 residues at the active site are crucial for substrate binding.
Research Area: Cell Signaling
Bacillus stearothermophilus phosphofructokinase (BsPFK) is a homotetramer that is allosterically inhibited by phosphoenolpyruvate (PEP), which binds along one dimer-dimer interface.
Bacillus stearothermophilus phosphofructokinase (BsPFK) is a homotetramer that is allosterically inhibited by phosphoenolpyruvate (PEP), which binds along one dimer-dimer interface.
Anwendung
Fructose-6-phosphate Kinase from Bacillus stearothermophilus was shown to interact with neuronal nitric oxide synthase (nNOS) causing a defect in glycolytic metabolism and increased fatigability in dystrophic muscle.
Fructose-6-phosphate Kinase from Bacillus stearothermophilus has been used in the assay mixture for mass spectrometry assay for phosphoglucoisomerase (PGI) (G6P to F6P reaction).
Fructose-6-phosphate kinase from Bacillus stearothermophilus has been used:
- in steady state analysis of phosphofructokinase activity in the presence of ATP deuterated at the C8 position(C8-D ATP)
- for standard curve generation for quantifying muscle phosphofructokinase (PFK) activity
Biochem./physiol. Wirkung
Fructose-1,6-bisphosphatase (FBP) is an important enzyme in glucose metabolism. It catalyzes the hydrolysis of fructose-1,6-bisphosphate to fructose-6-phosphate and inorganic phosphate. Fructose-6-phosphate kinase converts fructose-6-phosphate into fructose 1,6-bisphophate in the rate limiting step of the glycolysis cycle.
Phosphofructokinase (PFK) is an essential bifunctional enzyme that serves as a critical regulator in the intermediate stages of glycolysis. PFK is strongly linked to caveolae and is brought to caveolae by caveolin-1 in vascular smooth muscle cells (VSMCs).
Einheitendefinition
One unit will convert 1.0 μmole of fructose 6-phosphate and ATP to fructose 1,6-diphosphate and ADP per minute at pH 9.0 at 30 °C.
Physikalische Form
Lyophilized powder containing buffer salt (e.g. phosphate buffer, or Tris buffer with NaCl)
Lagerklassenschlüssel
11 - Combustible Solids
WGK
WGK 3
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
Persönliche Schutzausrüstung
Eyeshields, Gloves, type N95 (US)
Analysenzertifikate (COA)
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Loss of positive allosteric interactions between neuronal nitric oxide synthase and phosphofructokinase contributes to defects in glycolysis and increased fatigability in muscular dystrophy
Wehling-Henricks M, et al.
Human Molecular Genetics, 18(18), 3439-3451 (2009)
Rockann Mosser et al.
Biochemistry, 52(32), 5421-5429 (2013-07-19)
Bacillus stearothermophilus phosphofructokinase (BsPFK) is a homotetramer that is allosterically inhibited by phosphoenolpyruvate (PEP), which binds along one dimer-dimer interface. The substrate, fructose 6-phosphate (Fru-6-P), binds along the other dimer-dimer interface. Evans et al. observed that the structure with inhibitor
Analysis of the phosphofructokinase subunits and isoenzymes in human tissues
G.A. Dunaway et al.
The Biochemical Journal, 251, 755-757 (1988)
Chunsheng Liu et al.
American journal of physiology. Gastrointestinal and liver physiology, 307(7), G749-G759 (2014-08-30)
Platelet-derived growth factor (PDGF) and transforming growth factor-β (TGF-β) signaling are required for hepatic stellate cell (HSC) activation under pathological conditions such as liver metastatic tumor growth. These two signaling pathways are functionally divergent; PDGF signaling promotes proliferation and migration
M Hattori et al.
Nature, 405(6784), 311-319 (2000-06-01)
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