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P8651

Sigma-Aldrich

Protein A–Peroxidase from Staphylococcus aureus/horseradish

lyophilized powder

Synonyme(s) :

Peroxidase–Protein A

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About This Item

Numéro MDL:
MFCD00132102
Code UNSPSC :
12352203
Nomenclature NACRES :
NA.46

Conjugué

peroxidase conjugate

Niveau de qualité

100
200

Forme

lyophilized powder

Technique(s)

direct ELISA: 1:80,000 using human IgG

Température de stockage

−20°C

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Description générale

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.

Spécificité

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).

Conditionnement

Package size based on protein content.

Forme physique

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

Notes préparatoires

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.

Clause de non-responsabilité

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.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)

Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

Staphylococcal protein A consists of five IgG-binding domains
Tomas MOKS
European Journal of Biochemistry (1986)
Katharina Mayer et al.
International journal of molecular sciences, 22(16) (2021-08-28)
Within-host adaptation is a typical feature of chronic, persistent Staphylococcus aureus infections. Research projects addressing adaptive changes due to bacterial in-host evolution increase our understanding of the pathogen's strategies to survive and persist for a long time in various hosts
D.P. Nikoleis
Biosensors for Direct Monitoring of Environmental Pollutants in Field (2013)
P Eliades et al.
Journal of immunological methods, 218(1-2), 123-132 (1998-11-18)
We have developed a dot immunobinding assay (CM) for the serodiagnosis of the human hydatidosis. The assay employs Samaron blue colloidal dye particles conjugated to hydatid antigen (HA) or protein A, both of which serve as visualizing agents. The test
Greg T
Bioconjugate Techniques (2013)
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Protocoles

Enzymatic Assay of Peroxidase (EC 1.11.1.7)

This procedure is for the determination of Peroxidase enzymatic activity using Pyrogallol as the substrate.

Enzymatic Assay of Peroxidase (EC 1.11.1.7) 2,2'-Azino-bis(3-Ethylbenzthiazoline-6-Sulfonic Acid) as a Substrate

To standardize a procedure for the assay of Peroxidase using 2,2'-Azino-bis(3-Ethylbenzthiazoline-6-Sulfonic Acid) as a substrate.

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