Term: antibody
https://doi.org/10.1351/goldbook.A00384

Definition:
A protein (immunoglobulin) produced by the immune system of an organism in response to exposure to a foreign molecule (antigen) and characterized by its specific binding to a site of that molecule (antigenic determinant or epitope).

Related Terms:
1) immunoglobulin (http://doi.org/10.1351/goldbook.I02982).
2) antigen (http://doi.org/10.1351/goldbook.A00394).
3) epitope (http://doi.org/10.1351/goldbook.E02171).

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: 'antibody' 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.A00384

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