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We'll sometimes provide an immunogen sequence, but it's not always publically available.
For some antibodies, the immunogen sequence is widely known. In this case, you can obtain the sequence under the 'Target' tab of the datasheet, where links to the UniProt structural database will be provided.
For other antibodies the immunogen sequence won't be published, as the information can be commercially sensitive. We invest a lot of time and effort into selecting immunogen sequences in order to deliver the most effective antibodies. We sometimes decide to protect this information by giving this information on request to individual customers only.
If the sequence isn't available, but you need it for your experiments, please do contact our Scientific Suppport team. For some externally sourced products, the immunogen sequence is proprietary information and we are unable to release this information, even on request.
Please note that the specific epitope will very rarely have been mapped for commercially available antibodies.