{"term":{"id":"04843","title":"primary structure","longtitle":"IUPAC Gold Book - primary structure","doi":"10.1351\/goldbook.P04843","code":"P04843","status":"current","definitions":[{"id":1,"text":"In the context of macromolecules such as proteins, constitutional formula, usually abbreviated to a statement of the sequence and if appropriate cross-linking of chains.","links":[{"term":"macromolecules","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/M03667"},{"term":"proteins","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/P04898"},{"term":"quaternary structure","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/Q05004"},{"term":"secondary structure","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/S05530"},{"term":"sequence","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/ST06775"},{"term":"tertiary structure","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/T06282"}],"sources":["PAC, 1996, 68, 2193. 'Basic terminology of stereochemistry (IUPAC Recommendations 1996)' on page 2213 (https:\/\/doi.org\/10.1351\/pac199668122193)"],"seealso":["White Book, 2nd ed., p. 80 (https:\/\/iupac.qmul.ac.uk\/bibliog\/white.html)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/P04843\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/P04843\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/P04843\/plain"},"citation":"Citation: 'primary structure' 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.P04843","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.","collection":"If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .","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":"2026-05-06T12:18:00+00:00"}}