This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. A localized region on the surface of an antigen that is capable of eliciting an immune response and of combining with a specific antibody to counter that response.

n. That part of a biomolecule (such as a protein) that is the target of an immune response

n. the site on the surface of an antigen molecule to which an antibody attaches itself

"This recombinant protein was used since deletion of the internal epitope between amino acids 433 and 447, called epitope 1443, increases the production of neutralizing antibodies in mouse models of infection"

site    situation   

paratope   

anergy    hybridoma    strikethough    subpopulation    detemir    allele    linker    immunoglobulin    phenotype    non-hodgkin