Term: glyco-amino-acid https://doi.org/10.1351/goldbook.G02650 Definition: A saccharide attached to a single amino acid by any kind of covalent bond. A glycosyl-amino-acid is a compound consisting of saccharide linked through a glycosyl linkage (O-, N-, or S-) to an amino acid. Note: The hyphens are needed to avoid implying that the carbohydrate is necessarily linked to the amino group. Related Terms: 1) covalent bond (http://doi.org/10.1351/goldbook.C01384). Source: White Book, 2nd ed., p. 85 (https://iupac.qmul.ac.uk/bibliog/white.html) Citation: 'glyco-amino-acid' 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.G02650 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. 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.