Antigen receptor

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Antigen receptors are located on B and T lymphocytes. Each of these cells have thousands of receptors with varied specificities - they have a binding site for particular epitopes.

T cell receptors (TCRs) bind to and respond to epitopes on the antigen presenting cell.

B cell receptors (BCRs) respond to epitopes on a soluble antigen surface. B cells release antibodies that then bind to these soluble antigens[1].

References

  1. http://www.biology-pages.info/A/AntigenReceptors.html
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