SCN4B

This page contains an overview of the genetic variation in the SCN4B 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:

SCN4B gene and transcript details

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

Gene Links
Ensembl: ENSG00000177098 - Locus Reference Genomic: LRG_330

Genomic Location
Chromosome 11 : 118,007,742 - 118,023,388 (reverse strand)
View in: Ensembl - UCSC Genome Browser


Canonical Seqs Transcript (684 bases)Protein (228 aa)
ENST00000324727 ENSP00000322460
LRG_330t1LRG_330p1
NM_174934.3
Q8IWT1

Summary of SCN4B in Cardiomyopathies


SCN4B variants in ExAC

Details of the protein-altering SCN4B 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 Variants1050.00164
Truncating90.00014
Missense890.00135
Inframe30.00003
Splice Site40.00012

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