the monoclonal antibody ( mab ) aht-107 recognized a determinant distal to the interleukin 2 ( il-2 ) binding site on the p55 subunit of the il-2 receptor ( il-2r ) ( the tac antigen , cd25 ) of human t lymphoblasts , while the mab aht-54 recognized a determinant close to the il-2 binding site as did the anti-tac .
C0086418
human
C0021756
il-2