83330
Pyruvate Kinase from rabbit muscle
crystalline suspension in 3.8 M ammonium sulfate solution, ~350 U/mg protein (10-40 mg/ml)
Sinonimo/i:
ATP:pyruvate 2-O-phosphotransferase, PK
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About This Item
Prodotti consigliati
Stato
suspension
Qualità
crystalline suspension in 3.8 M ammonium sulfate solution
Attività specifica
~350 U/mg protein (10-40 mg/ml)
PM
Mr ~230000
pH
~6
Attività estranea
lactate dehydrogenase ≤0.01%
Temperatura di conservazione
2-8°C
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Azioni biochim/fisiol
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.
Definizione di unità
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
Codice della classe di stoccaggio
11 - Combustible Solids
Classe di pericolosità dell'acqua (WGK)
WGK 3
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
Dispositivi di protezione individuale
Eyeshields, Gloves, type N95 (US)
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