• Product nameAnti-Human IgA antibody [3B7]
    See all Human IgA primary antibodies
  • Description
    Mouse monoclonal [3B7] to Human IgA
  • SpecificityIgA Fc region
  • Tested applicationsSuitable for: Immunodiffusion, Sandwich ELISA, ELISAmore details
  • Species reactivity
    Reacts with: Human
  • Immunogen

    IgA from human colostrum.

  • General notesConcentration varies from lot to lot and can be provided on request.


  • FormLiquid
  • Storage instructionsShipped at 4°C. Upon delivery aliquot and store at -20°C. Avoid freeze / thaw cycles.
  • Storage bufferPreservative: 0.1% Sodium Azide
    Constituents: PBS, pH 7.4
  • Concentration information loading...
  • PurityProtein G purified
  • Purification notesPurified by chromatography on protein G Sepharose. Purity is tested by electrophoresis.
  • ClonalityMonoclonal
  • Clone number3B7
  • MyelomaSp2/0
  • IsotypeIgG1
  • Research areas


Our Abpromise guarantee covers the use of ab7400 in the following tested applications.

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

Application Abreviews Notes
Immunodiffusion Use at an assay dependent dilution.
Sandwich ELISA Use at an assay dependent dilution. Can be paired for Sandwich ELISA with Mouse monoclonal [1H9] to Human IgA (HRP) (ab7383) and Mouse monoclonal [A909] to Human IgA (HRP) (ab7402). Can be used as Capture antibody with ab7383 and ab7402.
ELISA Use at an assay dependent dilution. Can be paired for ELISA with Mouse monoclonal [1H9] to Human IgA (HRP) (ab7383) and Mouse monoclonal [A909] to Human IgA (HRP) (ab7402).


  • 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.
  • Cellular localizationSecreted
  • Database links
  • Alternative names
    • FLJ14473 antibody
    • FLJ35065 antibody
    • FLJ35500 antibody
    • FLJ36402 antibody
    • FLJ39698 antibody
    • FLJ40001 antibody
    • FLJ41548 antibody
    • FLJ41552 antibody
    • FLJ41789 antibody
    • FLJ43248 antibody
    • FLJ43594 antibody
    • FLJ44293 antibody
    • FLJ46028 antibody
    • FLJ46621 antibody
    • FLJ46724 antibody
    • IgA1 antibody
    • Igh2 antibody
    • IGHA1 antibody
    • IGHA2 antibody
    • Immunoglobulin heavy constant alpha 1 antibody
    • Immunoglobulin heavy constant alpha 2 (A2m marker) antibody
    • Immunoglobulin heavy constant alpha 2 antibody
    see all

References for Anti-Human IgA antibody [3B7] (ab7400)

This product has been referenced in:
  • Verdier J  et al. Specific IgG response against Mycobacterium avium paratuberculosis in children and adults with Crohn's disease. PLoS One 8:e62780 (2013). ELISA ; Human . Read more (PubMed: 23658774) »

See 1 Publication for this product

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Thank you for your reply.

I picked out three antibodies which I think are suitable for you. Please let me know if you need anything further, like matching secondary antibodies.

http://www.abcam.com/index.html?datasheet=1947 (...

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Thank you for your enquiry. Following contact with the source of these sera I can tell you that. ab7400; Human IgA antibody[3B7] lot#136336 is 4.50 mg/ml ab7401; Human IgA antibody[5D8] lot#136324 is 6.90 mg/ml I hope this information helps...

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