The multiple biologic activities of retinoic acid ( RA ) are mediated through RAR and retinoid X receptor ( RXR ) nuclear receptors that interact with specific DNA target sequences as heterodimers ( RXR-RAR ) or homodimers ( RXR-RXR ) .
the multiple biologic activities of retinoic acid ( ra ) are mediated through rar and retinoid x receptor ( rxr ) nuclear receptors that interact with specific dna target sequences as heterodimers ( rxr-rar ) or homodimers ( rxr-rxr ) .
O B-other_name I-other_name I-other_name O B-other_organic_compound I-other_organic_compound O B-other_organic_compound O O O O B-protein_family_or_group O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule B-protein_molecule O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O B-protein_complex O B-protein_complex O O B-protein_complex O B-protein_complex O O