These studies have produced intriguing but inconsistent results , potentially because the known functional variants : ADRB1 Arg389Gly and Gly49Ser , ADRB2 Arg16Gly and Gln27Glu , and ADRB3 Arg64Trp provided an incomplete picture of the total functional diversity at these genes .
O O O O O O O O O O O O O O O O B-GeneOrGeneProduct B-SequenceVariant O B-SequenceVariant O B-GeneOrGeneProduct B-SequenceVariant O B-SequenceVariant O O B-GeneOrGeneProduct B-SequenceVariant O O O O O O O O O O O O O