Term: antigen
https://doi.org/10.1351/goldbook.A00394

Definition:
A substance that stimulates the immune system to produce a set of specific antibodies and that combines with the antibody through a specific binding site or epitope.

Related Terms:
1) antibodies (http://doi.org/10.1351/goldbook.A00384-1).
2) binding site (http://doi.org/10.1351/goldbook.B00649).
3) epitope (http://doi.org/10.1351/goldbook.E02171).
4) antibody (http://doi.org/10.1351/goldbook.A00384-2).

Source: PAC, 1992, 64, 143. 'Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992)' on page 146 (https://doi.org/10.1351/pac199264010143)

Citation: 'antigen' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.A00394

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