Changes of any cysteine residue of the hRAR alpha-LBD had no significant influence on the binding of all-trans RA or 9-cis RA .
changes of any cysteine residue of the hrar alpha-lbd had no significant influence on the binding of all-trans ra or 9-cis ra .
O O O B-amino_acid_monomer O O O B-protein_molecule I-protein_molecule O O O O O O O O B-other_organic_compound I-other_organic_compound O B-other_organic_compound I-other_organic_compound O