tokens: Therefore we first examined the participation of NF-kappa B in germline C epsilon transcription in a human Burkitt lymphoma B cell line , DND39 .
folded_tokens: therefore we first examined the participation of nf-kappa b in germline c epsilon transcription in a human burkitt lymphoma b cell line , dnd39 .
labels: O O O O O O O B-protein_complex I-protein_complex O B-cell_line I-cell_line I-cell_line O O O B-cell_line I-cell_line I-cell_line I-cell_line I-cell_line I-cell_line O B-cell_line O