Rat monoclonal Anti-Mouse IgG2a heavy chain (HRP) [LO-MG2a-9] (ab11571)

Thank you very much for your email. I have compiled here below a list of antibodies which I think could correspond to your needs. There are three different IgG1 and three different IgG2a antibodies which have been tested against other isotypes. Please have a look at them and do not hesitate to contact me again should you need any more information. The Rat monoclonal [SB77e] Secondary Antibody to Mouse IgG1 (HRP), pre-adsorbed (ab99603) has been tested by ELISA against a panel of purified Mouse Immunoglobulins including IgM, IgG1, IgG2a, IgG2b, IgG3, and IgA. This product is positive for IgG1 and has minimal reactivity with the other Mouse Immunoglobulins. https://www.abcam.com/Rat-monoclonal-SB77e-Mouse-IgG1-HL-HRP-preadsorbed-ab99603.html Goat polyclonal Secondary Antibody to Mouse IgG1 - heavy chain (AP) (ab97237) By immunoelectrophoresis and ELISA this antibody reacts specifically with mouse IgG1. Cross reactivity with other immunoglobulins is less than 2%. https://www.abcam.com/Goat-Mouse-IgG1-heavy-chain-Alkaline-Phosphatase-ab97237.html Goat polyclonal Secondary Antibody to Mouse IgG1 - heavy chain (HRP) (ab97240) By immunoelectrophoresis and ELISA this antibody reacts specifically with mouse IgG1. Cross reactivity with other immunoglobulins is less than 2%. This antibody may cross react with IgG1 from other species https://www.abcam.com/Goat-Mouse-IgG1-heavy-chain-Alkaline-Phosphatase-ab97237.html Rat monoclonal [LO-MG2a-9] Secondary Antibody to Mouse IgG2a - heavy chain (HRP) (ab11571) ab11571 recognises murine gamma 2a immunoglobulin heavy chain, and does not cross-react with other murine immunoglobulin classes or subclasses. https://www.abcam.com/Rat-monoclonal-Mouse-IgG2a-heavy-chain-HRP-LO-MG2a-9-ab11571.html Goat polyclonal Secondary Antibody to Mouse IgG2a - heavy chain (HRP) (ab97245) By immunoelectrophoresis and ELISA this antibody reacts specifically with mouse IgG2a. Cross reactivity with other immunoglobulins is less than 2%. https://www.abcam.com/Goat-Mouse-IgG2a-heavy-chain-HRP-ab97245.html Goat polyclonal Secondary Antibody to Mouse IgG2a - heavy chain (AP) (ab97242) By immunoelectrophoresis and ELISA this antibody reacts specifically with mouse IgG2a. Cross reactivity with other immunoglobulins is less than 2%. https://www.abcam.com/Goat-Mouse-IgG2a-heavy-chain-Alkaline-Phosphatase-ab97242.html Unfortunately we do not have an immunoglobulin isotyping ELISA kit for the moment in our catalog. I have passed this feedback on and I hope we will have one in the future. I hope this information is helpful. Please do not hesitate to contact me again should you have any other question. I wish you a great weekend!

Thank you for your enquiry. Further to correspondence with the lab I can tell you that unfortunately this antibody has not been tested to determine its reactivity with other species' IgG2a. Following on we could therefore not guarantee it would not react with other species' IgG2a given a mixed sample. I am sorry that I cannot be of more assistance on this occasion.