{{Rsnum
|rsid=137854539
|Chromosome=20
|Orientation=plus
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Gene=GNAS
|position=58903703
|Gene_s=GNAS
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
}}{{omim
|id=139320
|variant=0029
|rsnum=137854539
}}{{ClinVar
|rsid=137854539
|Reversed=0
|FwdREF=C
|FwdALT=T
|REF=C
|ALT=T
|RSPOS=57478758
|CHROM=20
|dbSNPBuildID=133
|SSR=0
|SAO=1
|VP=0x050260000000000002110100
|GENEINFO=GNAS:2778
|GENE_NAME=GNAS
|GENE_ID=2778
|WGT=0
|VC=SNV
|CLNALLE=1
|CLNHGVS=NC_000020.10:g.57478758C>T
|CLNSRC=OMIM Allelic Variant
|CLNORIGIN=1
|CLNSRCID=139320.0029
|CLNSIG=5
|CLNCUI=C0033835; C0033806
|CLNDBN=Pseudopseudohypoparathyroidism; Pseudohypoparathyroidism type 1A
|Disease=Pseudopseudohypoparathyroidism; Pseudohypoparathyroidism type 1A
|CLNACC=RCV000017322.26; RCV000017323.22
|Tags=PM;S3D;OTHERKG;LSD;OM
|CLNDSDB=MedGen:OMIM:Orphanet:SNOMED_CT; MedGen:OMIM:Orphanet
|CLNDSDBID=C0033835:612463:665:237659007; C0033806:103580:665
}}