tokens: Cotransfection with a transdominant negative mutant of the NF-YA subunit abolishes the transcriptional activation by heme , indicating that NF-Y plays an essential role in this activation .
folded_tokens: cotransfection with a transdominant negative mutant of the nf-ya subunit abolishes the transcriptional activation by heme , indicating that nf-y plays an essential role in this activation .
labels: O O O B-protein_molecule I-protein_molecule I-protein_molecule O O B-protein_subunit I-protein_subunit O O B-other_name I-other_name O B-protein_molecule O O O B-protein_molecule O O O O O O O O