{{Rsnum
|rsid=121912513
|Chromosome=7
|Orientation=minus
|geno1=(A;A)
|geno2=(A;T)
|geno3=(T;T)
|Gene=KCNH2
|position=150948866
|Gene_s=KCNH2
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
}}{{omim
|id=152427
|rsnum=121912513
|variant=0021
}}{{ClinVar
|rsid=121912513
|Reversed=1
|FwdREF=A
|FwdALT=C,T
|REF=T
|ALT=A,G
|RSPOS=150645954
|CHROM=7
|dbSNPBuildID=133
|SSR=0
|SAO=1
|VP=0x050368000000000002110100
|GENEINFO=KCNH2:3757
|GENE_NAME=KCNH2
|GENE_ID=3757
|WGT=0
|VC=SNV
|CLNALLE=1; 2
|CLNHGVS=NC_000007.13:g.150645954T>A; NC_000007.13:g.150645954T>G
|CLNSRC=OMIM Allelic Variant
|CLNORIGIN=1
|CLNSRCID=152427.0021
|CLNSIG=5
|CLNCUI=C1835325
|CLNDBN=Long QT syndrome 2; Long QT syndrome 2/5; not provided
|Disease=Long QT syndrome 2; Long QT syndrome 2/5; not provided
|CLNACC=RCV000015522.24; RCV000015523.24; RCV000058141.1; RCV000058140.1
|Tags=RV;PM;PMC;S3D;SLO;OTHERKG;LSD;OM
|CLNDSDB=GeneReviews:MedGen:OMIM:Orphanet; MedGen
|CLNDSDBID=NBK1129:C3150943:613688:101016; C3150957
}}{{PMID Auto
|PMID=15051636
|Title=Compound mutations: a common cause of severe long-QT syndrome.
}}

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

{{PMID Auto
|PMID=11854117
|Title=Increased risk of arrhythmic events in long-QT syndrome with mutations in the pore region of the human ether-a-go-go-related gene potassium channel.
}}