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Interacting selectively and non-covalently with a lipid antigen. Elemental activities, such as catalysis or binding, describing the actions of a gene product at the molecular level. A given gene product may exhibit one or more molecular functions. The selective, non-covalent, often stoichiometric, interaction of a molecule with one or more specific sites on another molecule. Interacting selectively and non-covalently with an antigen peptide, a fragment of a foreign protein derived by proteolysis within the cell. Interacting selectively and non-covalently with an antigen, any substance which is capable of inducing a specific immune response and of reacting with the products of that response, the specific antibody or specifically sensitized T-lymphocytes, or both. Binding may counteract the biological activity of the antigen. Interacting selectively with the major histocompatibility complex.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: antigen binding
Acc: GO:0003823
Aspect: Molecular Function
Desc: Interacting selectively and non-covalently with an antigen, any substance which is capable of inducing a specific immune response and of reacting with the products of that response, the specific antibody or specifically sensitized T-lymphocytes, or both. Binding may counteract the biological activity of the antigen.
Synonyms:
  • B cell receptor activity
  • opsonin activity
  • antibody
  • immunoglobulin
Proteins in PDR annotated with:
   This term: 29 [Search]
   Term or descendants: 81 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0003823 - antigen binding (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle