{{Rsnum
|rsid=62205366
|Gene=GNAS
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Orientation=plus
|Chromosome=20
|position=58903138
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|Gene_s=GNAS
}}[[rs62205366]] ( 393T>C ) is a SNP within [[GNAS]] (GNAS complex locus - encoding the Gs alpha subunit).

{{PMID|19542315}} differential response to [[dobutamine]] (beta-1 / [mild] beta-2 receptor agonist) noted in a Chinese sample of unknown size, individuals homozygous for C displayed greater response as compared to those homozygous for T

{{PMID|19513951}} homozygous TT individuals associated with greater incidence of hyperthyroidism (as well as higher TRAb levels) relapse in a sample of 359 [[Graves' disease]] patients

{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}