The sequence for this protein can be found at https://www.uniprot.org/uniprotkb/P11974.
P9136
Pyruvate Kinase from rabbit muscle
Type III, lyophilized powder, 350-600 units/mg protein
Sinónimos:
ATP:pyruvate 2-O-phosphotransferase, PK
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| A ustedes/SKU | Disponibilidad | Precio |
|---|---|---|
1000 units | Comprobar disponibilidad del carrito | $87.70 |
5000 units | Comprobar disponibilidad del carrito | $220.00 |
25000 units | Fecha estimada de envío26 de mayo de 2026desdeMILWAUKEE | $664.00 |
50000 units | Comprobar disponibilidad del carrito | $1,190.00 |
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Número CAS:
UNSPSC Code:
12352204
eCl@ss:
32160410
EC Number:
232-616-2
NACRES:
NA.54
MDL number:
Specific activity:
350-600 units/mg protein
Biological source:
rabbit muscle
Servicio técnico
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rabbit muscle
Quality Segment
type
Type III
form
lyophilized powder
specific activity
350-600 units/mg protein
mol wt
237 kDa
foreign activity
lactic dehydrogenase, creatine phosphokinase, phosphoglucomutase, and myokinase ≤0.01%
storage temp.
−20°C
General description
Pyruvate Kinase (PK) is a glycolysis enzyme and has four isozymes L, R, M1, and M2. The L isozyme is localized in gluconeogenic tissues, particularly in the liver. Whereas the R and M1 are localized in the adult skeletal muscles, heart, brain and erythrocytes, respectively. M2 is localized in the nucleus of the cells.
Application
Pyruvate kinase has been used in plant spectrophotometric assays to measure ATP hydrolysis [1]. Pyruvate kinase is also used to study pyruvate kinase (PK) deficiency [2].
Pyruvate Kinase from rabbit muscle has been used to convert adenosine diphosphate (ADP) to adenosine triphosphate (ATP) in Pseudomonas putida cells.
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 (PK) catalyzes an important process of transferring phosphate group from phosphoenolpyruvate (PEP) to adenosine diphosphate (ADP). This reaction results in the conversion of PEP to pyruvate and adenosine triphosphate (ATP). Pyruvate kinase plays a major role in glycolysis and gluconeogenesis. High levels of pyruvate kinase M2 (PKM2) inhibits cell proliferation and tumor growth. Deficiency of PK in red blood cells (RBC) leads to non-spherocytic hemolytic anaemia. In human erythrocytes, deficiency of PK induces a protective effect against Plasmodium falciparum.
Analysis Note
Protein determined by biuret.
Other Notes
One unit will convert 1.0 μmole of phospho(enol)pyruvate to pyruvate per min at pH 7.6 at 37 °C.
1 of 1
Este artículo | |||
|---|---|---|---|
| specific activity 350-600 units/mg protein | specific activity 350-600 units/mg protein | specific activity - | specific activity - |
| biological source rabbit muscle | biological source rabbit muscle | biological source human | biological source human |
| form lyophilized powder | form ammonium sulfate suspension | form aqueous solution | form aqueous solution |
| mol wt 237 kDa | mol wt 237 kDa | mol wt 59 kDa | mol wt 63 kDa |
| storage temp. −20°C | storage temp. 2-8°C | storage temp. −70°C | storage temp. −70°C |
| foreign activity lactic dehydrogenase, creatine phosphokinase, phosphoglucomutase, and myokinase ≤0.01% | foreign activity lactic dehydrogenase, creatine phosphokinase, and myokinase ≤0.01%, phosphoglucomutase ≤0.05% | foreign activity - | foreign activity - |
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Clase de almacenamiento
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flash_point_c
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What is the sequence for that protein or the PDB/ uniprot link ? Thank you
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