Overview

Description

  • NatureNatural
  • SourceNative

Specifications

Our Abpromise guarantee covers the use of ab7399 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

  • Applications

    ELISA

    Western blot

  • FormLiquid
  • Additional notesMolecular Weight: 42,000 daltons Extinction Coefficient: 0.1% at 280 nm is 0.14 (E0.1% of 0.14)
  • Concentration information loading...

Preparation and Storage

  • Stability and Storage

    Shipped at 4°C. Upon delivery aliquot and store at -20°C or -80°C. Avoid repeated freeze / thaw cycles.

    Preservative: None
    Constituents: PBS

General Info

  • Alternative names
    • gG-binding protein A
    • Immunoglobulin G binding protein A
    • SPA
    • Staphylococcal protein A
  • RelevanceProtein A is a surface protein of S.aureus which binds IgG molecules by their Fc region. In serum, the bacteria will bind IgG molecules in the wrong orientation on their surface which hinders opsonization and phagocytosis. Mutants of S. aureus lacking protein A are more efficiently phagocytosed in vitro, and mutants in infection models have diminished virulence. Due to its affinity for the Fc region of many mammalian immunoglobulins, protein A is considered a universal reagent in biochemistry and immunology.
  • Cellular localizationSecreted; cell wall.

References for Natural Protein A (ab7399)

ab7399 has not yet been referenced specifically in any publications.

Product Wall

Hello! It is a native protein with no His tag. Please let me know if I can be of further assistance.

Thank you for contacting us.


Our Protein A is purified using a process that is considered proprietary so unfortunately I am unable to provide any details. Please let me know if I can be of further assistance.

J'aimerais vous informer que mes collègues responsables de l'intégration des produits travaillent toujours à la recherche d'un collaborateur qui pourrait nous fournir :
- une protéine G (full length sans tag) en compl&ea...

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Thank you for your enquiry and your interest in our products.

I can confirm that ab9582 (Anti-hCG beta antibody [5H4-E2]), has not been tested for IP yet, though the isotype has been determined (IgG1).

Normally, we would suggest usi...

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Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"