tokens: In the STLV-I -bearing T cell lines , tax1 -related antigen molecules detected by Lt-4 were heterogeneous , having molecular weights in the range of 36-41 kd .
folded_tokens: in the stlv-i -bearing t cell lines , tax1 -related antigen molecules detected by lt-4 were heterogeneous , having molecular weights in the range of 36-41 kd .
labels: O O B-virus O B-cell_line I-cell_line I-cell_line O B-protein_molecule O O O O O B-protein_molecule O O O O B-other_name I-other_name O O O O O O O