hapten

https://doi.org/10.1351/goldbook.H02738
A low-@M04000@ molecule which contains an antigenic determinant but which is not itself antigenic unless complexed with an antigenic @C00859@. Examples of haptens are dinitrophenols, phosphorylcholine and dextran.
Source:
PAC, 1992, 64, 143. (Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992)) on page 156 [Terms] [Paper]
Cite as: IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). Online version (2019-) created by S. J. Chalk. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook.
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Last revised: October 7, 2008