Anti-E. coli O + E. coli K antibody (HRP) (ab21110)


  • Product name
    Anti-E. coli O + E. coli K antibody (HRP)
    See all E. coli O + E. coli K primary antibodies
  • Description
    Goat polyclonal to E. coli O + E. coli K (HRP)
  • Conjugation
  • Specificity
    This antibody is specific to many O and K antigenic serotypes of Escherichia coli.
  • Tested applications
    Suitable for: ELISA, ICC/IFmore details
  • Species reactivity
    Reacts with: Escherichia coli
  • Immunogen

    Mixture of E. coli serotypes.

  • General notes

    The antibody is covalently coupled to a highly purified preparation of horseradish peroxidase (RZ>3). Care is taken to ensure adequate conjugation while preserving maximum enzyme activity. Free enzyme is absent.



Our Abpromise guarantee covers the use of ab21110 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
ELISA Use at an assay dependent dilution.
ICC/IF Use at an assay dependent dilution.


  • Relevance
    Escherichia coli (E. coli) are Gram negative enteric bacteria that live in the human gut. Its presence in nature is an indication of human feacal pollution. E. coli also causes human disease such as urinary tract infections and neonatal meningitis. Infection with particular enterotoxigenic strains can lead to life threatening intestinal diseases. E. coli are distinguished immunologically by serotyping based on three types of antigen: the somatic or O antigen which corresponds to terminal sugars on the cell surface lipopolysaccharide, the capsular or K antigens and the flagellar or H antigens.
  • Alternative names
    • Capsular antigen antibody
    • Escherichia coli antibody
    • Escherichia coli K antibody
    • Escherichia coli O antibody
    • K antigen antibody
    • O antigen antibody
    see all


ab21110 has not yet been referenced specifically in any publications.

Customer reviews and Q&As

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Could you let me know which antibody you would like to try? We have following abs available;




Thank you for your email. I have taken over this case from XXXXX so I will be dealing with this case now on.

The protocol recommended by XXXXXXX is only valid for ab21110. The protocol for ab20771 is available online, please follow that to get...

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My colleague is out of office today but I wish to pass some useful information to you.

Whole bacteria do not absorb well when coated wet in ELISA wells. You may need to add different dilutions of the bac...

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Thank you for your email. I am sorry to hear that you have been experiencing problems with this antibody.

I have read the details you have kindly provided and have following further questions for better understanding of the problem;


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I'm glad you found the information of help.

If you do test any of these antibodies we would be very interested to hear of the results, regardless of if they are positive or not. We like to encourage all of our customers to submit an Abreview ...

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Thank you for contacting us and your interest in our products.

I can now share some more information relating to the antibodies we have directed towards E. coli (O and K). We have two different antibodies directed against this bacterium, with...

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