tokens: Finally , both PU . 1 and Spi-B function as transcriptional activators of the immunoglobulin light-chain enhancer E lambda 2 . 4 when coexpressed with Pip ( PU . 1 -interaction partner ) in NIH-3T3 cells .
folded_tokens: finally , both pu . 1 and spi-b function as transcriptional activators of the immunoglobulin light-chain enhancer e lambda 2 . 4 when coexpressed with pip ( pu . 1 -interaction partner ) in nih-3t3 cells .
labels: O O O B-protein_molecule I-protein_molecule I-protein_molecule O B-protein_molecule O O B-other_name I-other_name O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O B-protein_molecule O B-protein_molecule I-protein_molecule I-protein_molecule O O O O B-cell_line I-cell_line O