METHODS : Although no polymorphisms have been reported in the ligand binding region of the AHR in the over 100 reported sequences , we sequenced 108 additional human AHR genes in an effort to further identify single single nucleotide polymorphisms ( SNPs ) within the open reading frames of the AHR locus .
O O O O O O O O O O O O O O O B-GeneOrGeneProduct O O O O O O O O O O O B-OrganismTaxon B-GeneOrGeneProduct O O O O O O O O O O O O O O O O O O O O O B-GeneOrGeneProduct O O