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83330
Pyruvate Kinase from rabbit muscle
crystalline suspension in 3.8 M ammonium sulfate solution, ~350 U/mg protein (10-40 mg/ml)
Synonim(y):
ATP:pyruvate 2-O-phosphotransferase, PK
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Informacje o tej pozycji
Numer CAS:
UNSPSC Code:
12352204
eCl@ss:
32160410
EC Number:
232-616-2
NACRES:
NA.54
MDL number:
Specific activity:
~350 U/mg protein (10-40 mg/ml)
form
suspension
quality
crystalline suspension in 3.8 M ammonium sulfate solution
specific activity
~350 U/mg protein (10-40 mg/ml)
mol wt
Mr ~230000
pH
~6
foreign activity
lactate dehydrogenase ≤0.01%
storage temp.
2-8°C
Biochem/physiol Actions
Molecular Weight: 237 kDa and exists as a tetramer of four equal subunits of molecular weight 57 kDa.
Isoelectric Point: 7.6
Optimal pH: ∼7.5
Optimal Temperature: 25°C
ΕA280 = 0.54 for 1 mg(p)/ml, 1 cm path
Reported KM values are ATP (0.86 mM), pyruvate (10 mM), ADP (0.3 mM), and PEP (0.07 mM) in Tris buffer at pH 7.4 and 30 °C. Pyruvate kinase is highly specific for phosphoenolpyruvate, but can utilize other dinucleotide triphosphates as substrates in place of ATP including GTP, ITP, dATP, UTP, and CTP.
Isoelectric Point: 7.6
Optimal pH: ∼7.5
Optimal Temperature: 25°C
ΕA280 = 0.54 for 1 mg(p)/ml, 1 cm path
Reported KM values are ATP (0.86 mM), pyruvate (10 mM), ADP (0.3 mM), and PEP (0.07 mM) in Tris buffer at pH 7.4 and 30 °C. Pyruvate kinase is highly specific for phosphoenolpyruvate, but can utilize other dinucleotide triphosphates as substrates in place of ATP including GTP, ITP, dATP, UTP, and CTP.
Pyruvate kinase catalyzes the conversion of phosphoenolpyruvate to pyruvate, whitch is the rate-limiting final step in glycolysis.
Other Notes
1 U corresponds to the amount of enzyme which catalyzes the transphosphorylation of 1 μmol PEP per min at pH 7.4 and 25 °C
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Klasa składowania
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Numer pozycji handlu globalnego
| SKU | NUMER GTIN |
|---|---|
| I2304-100G | 04061832490212 |
| I2304-10G | 04061832490229 |
| I2304-25G | 04061833848418 |
| 83330-10MG | 04061832921112 |