Addition of a highly enriched preparation of OTF-1 made from one of these pre-B cells or from HeLa cells specifically stimulated in vitro transcription of an immunoglobulin gene .
addition of a highly enriched preparation of otf-1 made from one of these pre-b cells or from hela cells specifically stimulated in vitro transcription of an immunoglobulin gene .
O O O O O O O B-protein_family_or_group O O O O O B-cell_line I-cell_line O O B-cell_line I-cell_line O O O O B-other_name O O B-DNA_family_or_group I-DNA_family_or_group O