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Sigma-Aldrich

PROTEIN A-PEROXIDASE (C005B-438073)

General description Protein A is a cell wall constituent of Staphylococcus aureus , with a molecular weight of 56kDa. It possesses five binding domains which interact with heavy chains of immunoglobulins at the Fc or Fab fragment.

Description

General description

Protein A is a cell wall constituent of Staphylococcus aureus, with a molecular weight of 56kDa. It possesses five binding domains which interact with heavy chains of immunoglobulins at the Fc or Fab fragment. In response to protein A, the complement system, interferon production, hypersensitivity reactions and cell-mediated cytotoxicity get activated. Horseradish peroxidase is a heme-containing enzyme. In the presence of hydrogen peroxide, the enzyme catalyzes the oxidation of luminol.

Specificity

Binds IgG only from most mammals, except rat, goat, sheep.

Application

Protein A€“Peroxidase from Staphylococcus aureus/horseradish has been used in enzyme-linked immunosorbent assay (ELISA).

Packaging

Package size based on protein content.

Physical form

Lyophilized powder containing sodium citrate buffer salt. Protein determined by A205.

Preparation Note

Protein A, extracellular, coupled to Peroxidase, Type VI, by a modification of the procedure of O′Sullivan, M.J., et al., FEBS Lett., 95, 311 (1978), which favors low molecular weight conjugates.

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.

Specifications
UPC:
12352202
Condition:
New
Weight:
1.00 Ounces
HazmatClass:
No
Quantity:
1
Unit of Measurement:
MG
MPN:
P8651-.5MG
Controlled Substances and Cyanide:
Yes
Catalog No. C005B-438073
Price: $387.70
List Price: $430.78
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