tokens: To dissect the molecular basis for the unusually persistent transcription of the IL-2R alpha gene , we analyzed nuclear NF-kappa B binding to a radiolabeled IL-2R alpha kappa B-specific oligonucleotide probe during the time course of CD2 + CD28 activation .
folded_tokens: to dissect the molecular basis for the unusually persistent transcription of the il-2r alpha gene , we analyzed nuclear nf-kappa b binding to a radiolabeled il-2r alpha kappa b-specific oligonucleotide probe during the time course of cd2 + cd28 activation .
labels: O O O O O O O O O O O O B-protein_subunit I-protein_subunit O O O O O B-protein_molecule I-protein_molecule O O O O B-protein_subunit I-protein_subunit O O O O O O O O O B-protein_molecule O B-protein_molecule O O