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Overview

  • Product nameHuman IgA1 protein
  • Protein descriptionFull length native Human IgA1 from Human Myeloma Plasma; amino acids 1-353, 160kDa. UniProt ID = P01876.
  • Expression hostNative

    • Properties

  • Purity> 95 % by SDS-PAGE
  • Biological activityNo reaction by IEP to IgA2 antiserum.
  • FormLiquid
  • Storage instructionsStore at -20°C.
  • Storage bufferPreservative: 0.05% Sodium Azide
    Constituents: 150mM Sodium chloride, 10mM PBS, pH 7.4
  • Concentration information loading...
  • Additional notesProtein Determination: Extinction Coefficient (E) 0.1% at 280nm, 1cm pathway = 1.32. Prepared from plasma shown to be non reactive for HBsAg, anti-HCV, anti-HBc, and negative for anti-HIV 1 & 2 by FDA approved tests.
  • Research Areas

    • Applications

    Our Abpromise guarantee covers the use of ab91020 in the following tested applications.

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

    Application Notes
    SDS-PAGE
  • Application notesSDS-PAGE: Use at an assay dependent dilution.


    Not yet tested in other applications.
    Optimal dilutions/concentrations should be determined by the end user.

    • Protein info

    • Alternative names
        FLJ14473FLJ35065FLJ35500
        FLJ36402FLJ39698FLJ40001FLJ41548FLJ41552FLJ41789FLJ43248FLJ43594FLJ44293FLJ46028FLJ46621FLJ46724FLJ46811FLJ46824FLJ90170Ig alpha 1 chain C regionIgA1IGHA1immunoglobulin heavy constant alpha 1MGC102857
      see all
  • RelevanceIg alpha is the major immunoglobulin class in body secretions. It may serve both to defend against local infection and to prevent access of foreign antigens to the general immunologic system. In normal adult serum, the approximate percentage composition of IgA with respect to is subclasses is IgA1:90% and IgA2:10%. In secretory IgA, the subclass proportions may approach 50:50. The clinical significance of the subclasses has yet to be determined.

    • Human IgA1 protein images

    • SDS-PAGE - Human IgA1 protein (Human) (ab91020)
      SDS-PAGE - Human IgA1 protein (Human) (ab91020)
      SDS-PAGE: 4-12% Bis-Tris NuPAGE gel
      1. 5 µg Human IgA1 (reduced /heated)
      2. 10 µg Human IgA1 (reduced/ heated)
      3. 20 µg Human IgA1 (reduced/ heated)
      4. Molecular weight markers
      5. 5 µg Human IgA1 (non-reduced/no heat)
      6. 10 µg Human IgA1 (non-reduced/no heat)
      7. 20 µg Human IgA1 (non-reduced/no heat)

    References for Human IgA1 protein (ab91020)

    ab91020 has not yet been referenced specifically in any publications.

    Publishing research using ab91020 ? Please let us know so that we can cite the reference in this datasheet

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    Dear Sir/Madam, we are looking for the purified human myeloma IgA1 (Ale) protein, in polymeric form if possible. We woluld like to use in ELISA as a standard or control sample. I found the product human IgA1 protein in your catalog. Is this form mainly po...

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    Thank you very much for your interest in ab91020. We unfortunately have not done any test to check whether this protein is polymeric or not. We also do not know if the protein is glycosylated. The molecular weight of monomeric IgA is 160 kDa. Theoreticall...

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