11-118134075-C-T

Variant summary

Our verdict is Benign. Variant got -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBS1BS2

The NM_174934.4(SCN4B):​c.*2952G>A variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00511 in 454,468 control chromosomes in the GnomAD database, including 40 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.012 ( 31 hom., cov: 33)
Exomes 𝑓: 0.0017 ( 9 hom. )

Consequence

SCN4B
NM_174934.4 3_prime_UTR

Scores

2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.261
Variant links:
Genes affected
SCN4B (HGNC:10592): (sodium voltage-gated channel beta subunit 4) The protein encoded by this gene is one of several sodium channel beta subunits. These subunits interact with voltage-gated alpha subunits to change sodium channel kinetics. The encoded transmembrane protein forms interchain disulfide bonds with SCN2A. Defects in this gene are a cause of long QT syndrome type 10 (LQT10). Three protein-coding and one non-coding transcript variant have been found for this gene.[provided by RefSeq, Mar 2009]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -14 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.86).
BP6
Variant 11-118134075-C-T is Benign according to our data. Variant chr11-118134075-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 302588.Status of the report is criteria_provided_single_submitter, 1 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.0118 (1800/152334) while in subpopulation AFR AF= 0.041 (1704/41556). AF 95% confidence interval is 0.0394. There are 31 homozygotes in gnomad4. There are 895 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck.
BS2
High AC in GnomAd4 at 1800 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
SCN4BNM_174934.4 linkuse as main transcriptc.*2952G>A 3_prime_UTR_variant 5/5 ENST00000324727.9 NP_777594.1
SCN4BNM_001142348.2 linkuse as main transcriptc.*2952G>A 3_prime_UTR_variant 3/3 NP_001135820.1
SCN4BNM_001142349.2 linkuse as main transcriptc.*2952G>A 3_prime_UTR_variant 4/4 NP_001135821.1
SCN4BNR_024527.2 linkuse as main transcriptn.3628G>A non_coding_transcript_exon_variant 4/4

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
SCN4BENST00000324727.9 linkuse as main transcriptc.*2952G>A 3_prime_UTR_variant 5/51 NM_174934.4 ENSP00000322460 P1Q8IWT1-1
SCN4BENST00000415030.6 linkuse as main transcriptn.3782G>A non_coding_transcript_exon_variant 4/41
SCN4BENST00000423160.2 linkuse as main transcriptn.3273G>A non_coding_transcript_exon_variant 3/32

Frequencies

GnomAD3 genomes
AF:
0.0118
AC:
1797
AN:
152216
Hom.:
31
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0411
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00399
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.0158
Gnomad NFE
AF:
0.000250
Gnomad OTH
AF:
0.00622
GnomAD3 exomes
AF:
0.00272
AC:
357
AN:
131046
Hom.:
7
AF XY:
0.00202
AC XY:
144
AN XY:
71322
show subpopulations
Gnomad AFR exome
AF:
0.0440
Gnomad AMR exome
AF:
0.00275
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000279
Gnomad OTH exome
AF:
0.00124
GnomAD4 exome
AF:
0.00173
AC:
523
AN:
302134
Hom.:
9
Cov.:
0
AF XY:
0.00130
AC XY:
223
AN XY:
172158
show subpopulations
Gnomad4 AFR exome
AF:
0.0422
Gnomad4 AMR exome
AF:
0.00282
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000101
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000252
Gnomad4 OTH exome
AF:
0.00228
GnomAD4 genome
AF:
0.0118
AC:
1800
AN:
152334
Hom.:
31
Cov.:
33
AF XY:
0.0120
AC XY:
895
AN XY:
74492
show subpopulations
Gnomad4 AFR
AF:
0.0410
Gnomad4 AMR
AF:
0.00399
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000250
Gnomad4 OTH
AF:
0.00616
Alfa
AF:
0.00498
Hom.:
2
Bravo
AF:
0.0135
Asia WGS
AF:
0.00260
AC:
9
AN:
3478

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Congenital long QT syndrome Benign:1
Likely benign, criteria provided, single submitterclinical testingIllumina Laboratory Services, IlluminaJun 14, 2016- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.86
CADD
Benign
2.0
DANN
Benign
0.48

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs76776242; hg19: chr11-118004790; API