rs17173510

Variant summary

Our verdict is Likely benign. Variant got -5 ACMG points: 2P and 7B. PM2BP4_StrongBP6_ModerateBP7

The NM_000219.6(KCNE1):​c.84G>C​(p.Ser28Ser) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★). Synonymous variant affecting the same amino acid position (i.e. S28S) has been classified as Benign.

Frequency

Genomes: not found (cov: 12)

Consequence

KCNE1
NM_000219.6 synonymous

Scores

2

Clinical Significance

Likely benign criteria provided, single submitter B:1O:1

Conservation

PhyloP100: -6.50
Variant links:
Genes affected
KCNE1 (HGNC:6240): (potassium voltage-gated channel subfamily E regulatory subunit 1) The product of this gene belongs to the potassium channel KCNE family. Potassium ion channels are essential to many cellular functions and show a high degree of diversity, varying in their electrophysiologic and pharmacologic properties. This gene encodes a transmembrane protein known to associate with the product of the KVLQT1 gene to form the delayed rectifier potassium channel. Mutation in this gene are associated with both Jervell and Lange-Nielsen and Romano-Ward forms of long-QT syndrome. Alternatively spliced transcript variants encoding the same protein have been identified. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -5 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.9).
BP6
Variant 21-34449551-C-G is Benign according to our data. Variant chr21-34449551-C-G is described in ClinVar as [Likely_benign]. Clinvar id is 3374003.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
Synonymous conserved (PhyloP=-6.5 with no splicing effect.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
KCNE1NM_000219.6 linkc.84G>C p.Ser28Ser synonymous_variant Exon 4 of 4 ENST00000399286.3 NP_000210.2 P15382C7S316Q6FHJ6

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
KCNE1ENST00000399286.3 linkc.84G>C p.Ser28Ser synonymous_variant Exon 4 of 4 1 NM_000219.6 ENSP00000382226.2 P15382

Frequencies

GnomAD3 genomes
Cov.:
12
GnomAD3 exomes
AF:
0.00000398
AC:
1
AN:
251306
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135858
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
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:
0.00000880
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
Cov.:
21
GnomAD4 genome
Cov.:
12

ClinVar

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

Submissions by phenotype

Long QT syndrome Benign:1
Likely benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpApr 18, 2024- -
Long QT syndrome 5 Other:1
not provided, no classification providedin vitroRoden Lab, Vanderbilt University Medical Center-- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.90
CADD
Benign
0.0030
DANN
Benign
0.40

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs17173510; hg19: chr21-35821849; API