{{Rsnum
|rsid=74315449
|Chromosome=21
|Orientation=plus
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Gene=KCNE2
|position=34370557
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|Gene_s=KCNE2
}}{{omim
|id=603796
|rsnum=74315449
|variant=0004
}}{{ClinVar
|rsid=74315449
|Reversed=0
|FwdREF=C
|FwdALT=T
|REF=C
|ALT=T
|RSPOS=35742856
|CHROM=21
|dbSNPBuildID=133
|SSR=0
|SAO=1
|VP=0x050168000000000002110100
|GENEINFO=KCNE2:9992
|GENE_NAME=KCNE2
|GENE_ID=9992
|WGT=0
|VC=SNV
|CLNALLE=1
|CLNHGVS=NC_000021.8:g.35742856C>T
|CLNSRC=OMIM Allelic Variant
|CLNORIGIN=1
|CLNSRCID=603796.0004
|CLNSIG=5
|CLNCUI=C1862394
|CLNDBN=Atrial fibrillation, familial, 4; not provided
|Disease=Atrial fibrillation; not provided
|CLNACC=RCV000006427.1; RCV000058377.1
|Tags=PM;PMC;SLO;OTHERKG;LSD;OM
|CLNDSDB=MedGen:OMIM
|CLNDSDBID=C1862394:611493
}}{{PMID|15368194|OA=1
}} Identification of a KCNE2 gain-of-function mutation in patients with familial atrial fibrillation.

{{PMID|16487223|OA=1
}} Genetic polymorphisms in KCNQ1, HERG, KCNE1 and KCNE2 genes in the Chinese, Malay and Indian populations of Singapore.