tokens: To do this , wild-type and mutant forms of the CD4 cytoplasmic tail were stably expressed in the lymphoblastoid T-cell line A2 . 01 .
folded_tokens: to do this , wild-type and mutant forms of the cd4 cytoplasmic tail were stably expressed in the lymphoblastoid t-cell line a2 . 01 .
labels: O O O O O O O O O O B-protein_molecule O O O O O O O B-cell_line I-cell_line I-cell_line B-cell_line I-cell_line I-cell_line O