Immunological characterization of xenogenic anti-metatype antibodies.


High affinity murine anti-fluorescein monoclonal antibody (Mab) 4-4-20 (K alpha = 1.3 x 10(10) M-1; IgG2a; kappa), affinity labeled with fluorescein isothiocyanate (I), served as the immunogen to elicit a xenogenic (rabbit) polyclonal "anti-metatype" reagent in a rabbit specific for the liganded state. The reagent did not bind Mab 4-4-20 in its nonliganded… (More)


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