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Fontos dokumentumok
P7768
Pyruvate Kinase from rabbit muscle
Type VII, buffered aqueous glycerol solution, 350-600 units/mg protein
Szinonimák:
ATP:pyruvate 2-O-phosphotransferase, PK
Bejelentkezésa Szervezeti és Szerződéses árazás megtekintéséhez
Összes fotó(1)
About This Item
CAS-szám:
MDL-szám:
UNSPSC kód:
12352204
eCl@ss:
32160410
NACRES:
NA.54
Javasolt termékek
típus
Type VII
Minőségi szint
Forma
buffered aqueous glycerol solution
specifikus aktivitás
350-600 units/mg protein
molekulatömeg
237 kDa
koncentráció
2.0-20.0 mg/mL
idegen aktivitás
lactic dehydrogenase and creatine phosphokinase ≤0.01%
phosphoglucomutase and myokinase ≤0.05%
tárolási hőmérséklet
2-8°C
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Általános leírás
Research Area: Cell Signaling
Pyruvate kinase plays a role in regulating cell metabolism. There are four pyruvate kinase isoforms in mammals (PKM1, PKM2, PKR, PKL). Mammalian pyruvate kinase is a tetrameric protein composed of identical subunits, arranged in a dimer-of-dimers configuration. Each monomer contains one active site and consists of three main domains- designated A, B, and C-along with a small N-terminal domain. The M2 isoform of pyruvate kinase (PKM2) supports anabolic metabolism and is expressed in cancer and normal tissue.
Pyruvate kinase plays a role in regulating cell metabolism. There are four pyruvate kinase isoforms in mammals (PKM1, PKM2, PKR, PKL). Mammalian pyruvate kinase is a tetrameric protein composed of identical subunits, arranged in a dimer-of-dimers configuration. Each monomer contains one active site and consists of three main domains- designated A, B, and C-along with a small N-terminal domain. The M2 isoform of pyruvate kinase (PKM2) supports anabolic metabolism and is expressed in cancer and normal tissue.
Alkalmazás
Pyruvate Kinase from rabbit muscle has been used as a component in refolding buffer for malate dehydrogenase (MDH) assay. It has also been used as a supplement in assay buffer for phosphoglycerate mutases (PGM) enzyme assays.
Pyruvate kinase from Sigma has been used in the preparation of cell free extract from BL21 CP strain of E. coli culture for highly productive cell-free protein expression. The enzyme has been used to assay the pyruvate kinase activity by incubating with eluted DAPk (Death-associated protein kinase), a serine/threonine kinase that binds and activates pyruvate kinase.
Biokémiai/fiziológiai hatások
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 transfer of a phosphate group from phosphoenolpyruvate (PEP) to ADP. This transfer yields one molecule of pyruvate and one molecule of ATP. 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
Isoelectric Point: 7.6
Optimal pH: ∼7.5
Pyruvate kinase is an enzyme involved in glycolysis and gluconeogenesis. Product P7768 is from rabbit muscle and is provided in a buffered aqueous glycerol solution and has been used in PGM enzyme assays to determine phosphoglycerate mutase activity. Pyruvate kinase is also used to study pyruvate kinase (PK) deficiency
Egység definíció
One unit will convert 1.0 μmole of phospho(enol)pyruvate to pyruvate per min at pH 7.6 at 37 °C.
Fizikai forma
Solution in 50% glycerol containing 0.01 M phosphate, pH 7.0
Analízis megjegyzés
Protein determined by biuret.
Tárolási osztály kódja
10 - Combustible liquids
WGK
WGK 2
Lobbanási pont (F)
Not applicable
Lobbanási pont (C)
Not applicable
Egyéni védőeszköz
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
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