any of a large variety of proteins normally present in the body or produced in response to an antigen which it neutralizes, thus producing an immune response
active site 1
noundomain: location
Princeton WordNet [ver.3.1]
English
Definition
the part of an enzyme or antibody where the chemical reaction occurs
any of a large variety of proteins normally present in the body or produced in response to an antigen which it neutralizes, thus producing an immune response