SCN3B

This page contains an overview of the genetic variation in the SCN3B gene, including its role in inherited cardiac disease. For more details, click on the links below, or for a specific variant, enter the HGVS variant here:

SCN3B gene and transcript details

Gene Name
sodium channel, voltage-gated, type III, beta

Gene Links
Ensembl: ENSG00000166257 - Locus Reference Genomic: LRG_421

Genomic Location
Chromosome 11 : 123,504,851 - 123,524,509 (reverse strand)
View in: Ensembl - UCSC Genome Browser


Canonical Seqs Transcript (645 bases)Protein (215 aa)
ENST00000392770 ENSP00000376523
LRG_421t1LRG_421p1
NM_018400.3
Q9NY72

Summary of SCN3B in Cardiomyopathies


SCN3B variants in ExAC

Details of the protein-altering SCN3B variants (missense, loss of function truncating, inframe indels and splice site regions) found in the ExAC database are shown below. To view lists of specific variants with links to detailed population frequency data, click on the variant numbers - for all or a particular variant class.

Total VariantsCombined frequency of rare variants
All Variants780.00123
Truncating20.00002
Missense670.00110
Inframe00.00000
Splice Site90.00012

Rare variants are defined as having a mean allelic frequency of less than 0.0001.