Title: recognition site
Long Title: IUPAC Gold Book - recognition site
DOI: 10.1351/goldbook.R05199
Status: current

Definition
A nucleotide sequence to which a protein binds specifically.An amino acid sequence in an antibody molecule to which the specific antigen binds specifically.

Related Terms
- antibody: https://goldbook.iupac.org//terms/view/A00384
- antigen: https://goldbook.iupac.org//terms/view/A00394
- nucleotide: https://goldbook.iupac.org//terms/view/N04255
- sequence: https://goldbook.iupac.org//terms/view/ST06775

Source
- PAC, 1992, 64, 143. 'Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992)' on page 164 (https://doi.org/10.1351/pac199264010143)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/R05199/html
- json: https://goldbook.iupac.org/terms/view/R05199/json
- xml: https://goldbook.iupac.org/terms/view/R05199/xml

Citation: Citation: 'recognition site' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.R05199
License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms.
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Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.
Accessed: 2026-05-01T08:35:42+00:00