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Key Documents
P5931
Phosphatase, Alkaline from Escherichia coli
lyophilized powder, 30-60 units/mg protein (in glycine buffer)
Synonim(y):
Orthophosphoric-monoester phosphohydrolase (alkaline optimum)
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About This Item
Polecane produkty
Postać
lyophilized powder
Poziom jakości
aktywność właściwa
30-60 units/mg protein (in glycine buffer)
skład
Protein, ~50% biuret
temp. przechowywania
−20°C
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Opis ogólny
Alkaline phosphatase (ALP) of E.coli is a member of an enzyme group that possesses intragenic complementation.
Zastosowanie
Alkaline phosphatase is used for conjugation to antibodies and other proteins for ELISA, Western blotting, and histochemical detection. It may be used for protein labeling when high sensitivity is required. Product P5931 has been used during immunoblots to treat cell membranes prior to Tau1 incubation.
The enzyme from Sigma has been used to develop a synthetic nanopore membrane. This membrane mimics protein channels that are regulated by phosphorylation/dephosphorylation and uses an aligned array of carbon nanotubes (CNTs) impregnated in a polystyrene matrix.
Działania biochem./fizjol.
Alkaline phosphatase, from Escherichia coli, is a dimeric, non-glycosylated protein which mainly reside in the periplasmic space. Three known isoforms exist. The enzyme requires zinc, and is activated by magnesium. E. coli akaline phosphatase has a broad specificity for phosphate esters.
The enzyme is a phosphohydrolase having an optimal pH of 10 in vitro. The actual optimum pH varies depending on the nature and concentration of the substrate, the type of buffer, the phosphate acceptor, and to some extent the nature of the isoenzymes. It catalyzes the hydrolysis of phosphate monoesters such as p-nitrophenyl phosphate, phenyl phosphate, phenolphthalein phosphate, α-glycerol phosphate, β-glycerol phosphate, 2-phosphorylglycerate, triosephosphate, glucose-6-phosphate, glucose 1-phosphate, fructose 1-phosphate, fructose 6-phosphate, adenosine 5-phosphate adenosine 3-phosphate, phosphoenolpyruvate, and β-nicotinamide adenine dinucleotide phosphate. The activity is inhibited by 1,10-phenanthroline monohydrate, diethylenetriaminepentaacetic acid, ethylene glycol-bis(2-aminoethylether)-N,N,N′,N′-tetraacetic acid, and ethylenediaminetetraacetic acid disodium salt dihydrate.
Definicja jednostki
One unit will hydrolyze 1.0 μmole of p-nitrophenyl phosphate per min at pH 10.4 at 37 °C.
Postać fizyczna
Lyophilized powder containing Tris buffer salts, MgSO4, and ZnSO4
Uwaga dotycząca przygotowania
Chromatographically purified
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inhibitor
Numer produktu
Opis
Cennik
Hasło ostrzegawcze
Danger
Zwroty wskazujące rodzaj zagrożenia
Zwroty wskazujące środki ostrożności
Klasyfikacja zagrożeń
Resp. Sens. 1
Kod klasy składowania
11 - Combustible Solids
Klasa zagrożenia wodnego (WGK)
WGK 1
Temperatura zapłonu (°F)
Not applicable
Temperatura zapłonu (°C)
Not applicable
Środki ochrony indywidualnej
Eyeshields, Gloves, type N95 (US)
Certyfikaty analizy (CoA)
Poszukaj Certyfikaty analizy (CoA), wpisując numer partii/serii produktów. Numery serii i partii można znaleźć na etykiecie produktu po słowach „seria” lub „partia”.
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Dokumenty związane z niedawno zakupionymi produktami zostały zamieszczone w Bibliotece dokumentów.
Klienci oglądali również te produkty
1.Reid, T., and Wilson
E. coli Alkaline Phosphatase,The Enzymes, 3rd Ed. Vol. 4, 4, 373-373 (1971)
Characterization of Heterodimeric Alkaline Phosphatases from Escherichia coli: An Investigation of Intragenic Complementation
Hehir MJ, et al.
Journal of molecular biology, 304(4), 645-656 (2000)
A Takeda et al.
The Journal of biological chemistry, 275(8), 5395-5399 (2000-02-22)
Increased expression of heme oxygenase-1 (HO-1) is a common feature in a number of neurodegenerative diseases. Interestingly, the spatial distribution of HO-1 expression in diseased brain is essentially identical to that of pathological expression of tau. In this study, we
Alkaline phosphatase from Thermotoga neapolitana.
A Savchenko et al.
Methods in enzymology, 331, 298-305 (2001-03-27)
R A Anderson et al.
Proceedings of the National Academy of Sciences of the United States of America, 72(1), 394-397 (1975-01-01)
To facilitate the study of individual metal binding sites of polymeric metalloproteins, conversion of exchange-labile Co(II) in E. coli alkaline phosphatase (EC 3.1.3.1) to exchange-inert Co(III) was examined. Oxidation of Co(II) alkaline phosphatase with hydrogen peroxide results in a single
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