2-223052911-C-T

Variant summary

Our verdict is Benign. Variant got -13 ACMG points: 0P and 13B. BP4_StrongBP7BA1

The NM_080671.4(KCNE4):​c.81C>T​(p.Gly27=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.71 in 1,613,866 control chromosomes in the GnomAD database, including 407,892 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.71 ( 38623 hom., cov: 34)
Exomes 𝑓: 0.71 ( 369269 hom. )

Consequence

KCNE4
NM_080671.4 synonymous

Scores

2

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.792
Variant links:
Genes affected
KCNE4 (HGNC:6244): (potassium voltage-gated channel subfamily E regulatory subunit 4) Voltage-gated potassium (Kv) channels represent the most complex class of voltage-gated ion channels from both functional and structural standpoints. Their diverse functions include regulating neurotransmitter release, heart rate, insulin secretion, neuronal excitability, epithelial electrolyte transport, smooth muscle contraction, and cell volume. This gene encodes a member of the potassium channel, voltage-gated, isk-related subfamily. This member is a type I membrane protein, and a beta subunit that assembles with a potassium channel alpha-subunit to modulate the gating kinetics and enhance stability of the multimeric complex. This gene is prominently expressed in the embryo and in adult uterus. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -13 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.57).
BP7
Synonymous conserved (PhyloP=0.792 with no splicing effect.
BA1
GnomAd4 highest subpopulation (SAS) allele frequency at 95% confidence interval = 0.795 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
KCNE4NM_080671.4 linkuse as main transcriptc.81C>T p.Gly27= synonymous_variant 2/2 ENST00000281830.4

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
KCNE4ENST00000281830.4 linkuse as main transcriptc.81C>T p.Gly27= synonymous_variant 2/21 NM_080671.4 P1
KCNE4ENST00000488477.2 linkuse as main transcriptn.75+637C>T intron_variant, non_coding_transcript_variant 3

Frequencies

GnomAD3 genomes
AF:
0.711
AC:
108083
AN:
152092
Hom.:
38596
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.709
Gnomad AMI
AF:
0.644
Gnomad AMR
AF:
0.723
Gnomad ASJ
AF:
0.571
Gnomad EAS
AF:
0.654
Gnomad SAS
AF:
0.818
Gnomad FIN
AF:
0.788
Gnomad MID
AF:
0.538
Gnomad NFE
AF:
0.703
Gnomad OTH
AF:
0.684
GnomAD3 exomes
AF:
0.716
AC:
179684
AN:
250882
Hom.:
64797
AF XY:
0.718
AC XY:
97427
AN XY:
135750
show subpopulations
Gnomad AFR exome
AF:
0.716
Gnomad AMR exome
AF:
0.751
Gnomad ASJ exome
AF:
0.559
Gnomad EAS exome
AF:
0.652
Gnomad SAS exome
AF:
0.797
Gnomad FIN exome
AF:
0.785
Gnomad NFE exome
AF:
0.697
Gnomad OTH exome
AF:
0.686
GnomAD4 exome
AF:
0.709
AC:
1036894
AN:
1461656
Hom.:
369269
Cov.:
77
AF XY:
0.711
AC XY:
517300
AN XY:
727168
show subpopulations
Gnomad4 AFR exome
AF:
0.716
Gnomad4 AMR exome
AF:
0.745
Gnomad4 ASJ exome
AF:
0.558
Gnomad4 EAS exome
AF:
0.618
Gnomad4 SAS exome
AF:
0.801
Gnomad4 FIN exome
AF:
0.784
Gnomad4 NFE exome
AF:
0.705
Gnomad4 OTH exome
AF:
0.698
GnomAD4 genome
AF:
0.711
AC:
108160
AN:
152210
Hom.:
38623
Cov.:
34
AF XY:
0.718
AC XY:
53410
AN XY:
74414
show subpopulations
Gnomad4 AFR
AF:
0.709
Gnomad4 AMR
AF:
0.723
Gnomad4 ASJ
AF:
0.571
Gnomad4 EAS
AF:
0.653
Gnomad4 SAS
AF:
0.816
Gnomad4 FIN
AF:
0.788
Gnomad4 NFE
AF:
0.703
Gnomad4 OTH
AF:
0.685
Alfa
AF:
0.694
Hom.:
20787
Bravo
AF:
0.700
Asia WGS
AF:
0.721
AC:
2511
AN:
3478
EpiCase
AF:
0.671
EpiControl
AF:
0.672

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.57
CADD
Benign
5.5
DANN
Benign
0.65

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: rs3795886; hg19: chr2-223917629; COSMIC: COSV56054088; API