{{Rsnum
|rsid=121912516
|Chromosome=7
|Orientation=minus
|geno1=(C;C)
|geno2=(C;G)
|geno3=(G;G)
|Gene=KCNH2
|position=150951721
|Gene_s=KCNH2
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
}}{{omim
|id=152427
|rsnum=121912516
|variant=0025
}}{{ClinVar
|rsid=121912516
|Reversed=1
|FwdREF=G
|FwdALT=C
|REF=C
|ALT=G
|RSPOS=150648809
|CHROM=7
|dbSNPBuildID=133
|SSR=0
|SAO=1
|VP=0x050168000000000002110100
|GENEINFO=KCNH2:3757
|GENE_NAME=KCNH2
|GENE_ID=3757
|WGT=0
|VC=SNV
|CLNALLE=1
|CLNHGVS=NC_000007.13:g.150648809C>G
|CLNSRC=OMIM Allelic Variant
|CLNORIGIN=1
|CLNSRCID=152427.0025
|CLNSIG=5
|CLNCUI=C1835325
|CLNDBN=Long QT syndrome 2; not provided
|Disease=Long QT syndrome 2; not provided
|CLNACC=RCV000015528.24; RCV000057935.1
|Tags=RV;PM;PMC;SLO;OTHERKG;LSD;OM
|CLNDSDB=GeneReviews:MedGen:OMIM:Orphanet
|CLNDSDBID=NBK1129:C3150943:613688:101016
}}{{PMID Auto
|PMID=10220144
|Title=Novel KCNQ1 and HERG missense mutations in Dutch long-QT families.
}}

{{PMID Auto
|PMID=10973849
|Title=Spectrum of mutations in long-QT syndrome genes. KVLQT1, HERG, SCN5A, KCNE1, and KCNE2.
}}

{{PMID Auto
|PMID=19841300
|Title=Genetic testing for long-QT syndrome: distinguishing pathogenic mutations from benign variants.
|OA=1
}}