Streptavidin-Alkaline Phosphatase from Streptomyces avidinii, lyophilized powder, 700-2,300 DEA units/mg protein

Code: S2890-1MG D2-231

Application

The optimal working dilution should be determined empirically using a range of dilutions from a 1 mg/ml stock in buffer.

Streptavidin-alkaline phosphatase f...


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€348.00 1MG
€428.04 inc. VAT

Application

The optimal working dilution should be determined empirically using a range of dilutions from a 1 mg/ml stock in buffer.

Streptavidin-alkaline phosphatase from Streptomyces avidinii has been used in enzyme-linked immune absorbent spot (ELISpot) to detect interferon (IFN-γ) producing cells.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

General description

Streptavidin, a 58 kDa protein, is a homotetramer purified from Streptomyces avidinii. It has a high affinity for biotin. Streptavidin has been conjugated with either peroxidase or alkaline phosphatase (ALP). These enzymes are used as protein conjugates because of their comparative stability and a wide range of suitable substrates for different applications. ALP conjugates to streptavidinin immunoassays.

Physical form

Lyophilized powder containing trehalose with EPPS, phosphate and traces of magnesium chloride and zinc chloride.

Unit Definition

One alkaline phosphatase unit will hydrolyze 1.0 µmole of p-nitrophenyl phosphate per min at pH 9.8 at 37 °C.

compositionProtein, ≥40% biuret
conjugatealkaline phosphatase conjugate
formlyophilized powder
Quality Level200
specific activity≥700 DEA units/mg protein
storage temp.−20°C
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