The critical region of THR beta was mapped to 3 amino acids in the distal box of the DNA binding domain .
the critical region of thr beta was mapped to 3 amino acids in the distal box of the dna binding domain .
O O O O B-protein_family_or_group O O O O O B-amino_acid_monomer I-amino_acid_monomer O O B-protein_substructure I-protein_substructure O O B-protein_domain_or_region I-protein_domain_or_region I-protein_domain_or_region O