tokens: RARs and RXRs form heterodimers and regulate retinoid-mediated gene expression .
folded_tokens: rars and rxrs form heterodimers and regulate retinoid-mediated gene expression .
labels: B-protein_family_or_group O B-protein_family_or_group O B-protein_complex O O B-other_name I-other_name I-other_name O