rs12131800

Variant summary

Our verdict is Pathogenic. Variant got 16 ACMG points: 16P and 0B. PM1PM2PM5PP3_ModeratePP5_Very_Strong

The NM_001205293.3(CACNA1E):​c.2104G>A​(p.Ala702Thr) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Likely pathogenic (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. A702S) has been classified as Pathogenic.

Frequency

Genomes: not found (cov: 33)

Consequence

CACNA1E
NM_001205293.3 missense

Scores

15
3
1

Clinical Significance

Pathogenic/Likely pathogenic criteria provided, multiple submitters, no conflicts P:13

Conservation

PhyloP100: 9.73
Variant links:
Genes affected
CACNA1E (HGNC:1392): (calcium voltage-gated channel subunit alpha1 E) Voltage-dependent calcium channels are multisubunit complexes consisting of alpha-1, alpha-2, beta, and delta subunits in a 1:1:1:1 ratio. These channels mediate the entry of calcium ions into excitable cells, and are also involved in a variety of calcium-dependent processes, including muscle contraction, hormone or neurotransmitter release, gene expression, cell motility, cell division and cell death. This gene encodes the alpha-1E subunit of the R-type calcium channels, which belong to the 'high-voltage activated' group that maybe involved in the modulation of firing patterns of neurons important for information processing. Alternatively spliced transcript variants encoding different isoforms have been described for this gene. [provided by RefSeq, Apr 2011]

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ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 16 ACMG points.

PM1
In a hotspot region, there are 3 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 0 benign, 4 uncertain in NM_001205293.3
PM2
Very rare variant in population databases, with high coverage;
PM5
Other missense variant is known to change same aminoacid residue: Variant chr1-181724500-C-G is described in ClinVar as [Likely_pathogenic]. Clinvar id is 3262735.Status of the report is criteria_provided_single_submitter, 1 stars.
PP3
MetaRNN computational evidence supports a deleterious effect, 0.89
PP5
Variant 1-181724499-G-A is Pathogenic according to our data. Variant chr1-181724499-G-A is described in ClinVar as [Likely_pathogenic]. Clinvar id is 521483.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr1-181724499-G-A is described in Lovd as [Pathogenic].

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
CACNA1ENM_001205293.3 linkc.2104G>A p.Ala702Thr missense_variant Exon 17 of 48 ENST00000367573.7 NP_001192222.1 Q15878-1Q59FG1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
CACNA1EENST00000367573.7 linkc.2104G>A p.Ala702Thr missense_variant Exon 17 of 48 1 NM_001205293.3 ENSP00000356545.2 Q15878-1
CACNA1EENST00000360108.7 linkc.2104G>A p.Ala702Thr missense_variant Exon 17 of 47 5 ENSP00000353222.3 F8W9Z1
CACNA1EENST00000367570.6 linkc.2104G>A p.Ala702Thr missense_variant Exon 17 of 47 1 ENSP00000356542.1 Q15878-3
CACNA1EENST00000621791.4 linkc.2104G>A p.Ala702Thr missense_variant Exon 17 of 46 1 ENSP00000481619.1 Q15878-2

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD4 exome
Cov.:
30
GnomAD4 genome
Cov.:
33
Alfa
AF:
0.000133
Hom.:
0

ClinVar

Significance: Pathogenic/Likely pathogenic
Submissions summary: Pathogenic:13
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Developmental and epileptic encephalopathy, 69 Pathogenic:7
Aug 08, 2024
Institute of Human Genetics, University of Leipzig Medical Center
Significance: Pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

Criteria applied: PS2_VSTR,PS4,PM5_STR,PM1,PM2,PP2,PP3 -

Apr 11, 2023
Genome-Nilou Lab
Significance: Likely pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Feb 06, 2020
Undiagnosed Diseases Network, NIH
Significance: Pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Aug 20, 2021
Fulgent Genetics, Fulgent Genetics
Significance: Pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Nov 18, 2020
OMIM
Significance: Pathogenic
Review Status: no assertion criteria provided
Collection Method: literature only

- -

Mar 06, 2023
Acibadem Labgen Genetic Diagnostic Center
Significance: Pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

May 04, 2022
Mendelics
Significance: Pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

not provided Pathogenic:3
Dec 24, 2024
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This sequence change replaces alanine, which is neutral and non-polar, with threonine, which is neutral and polar, at codon 702 of the CACNA1E protein (p.Ala702Thr). This variant is not present in population databases (gnomAD no frequency). This missense change has been observed in individual(s) with early infantile epileptic encephalopathy (PMID: 30343943). In at least one individual the variant was observed to be de novo. ClinVar contains an entry for this variant (Variation ID: 521483). Invitae Evidence Modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) indicates that this missense variant is expected to disrupt CACNA1E protein function with a positive predictive value of 80%. Experimental studies have shown that this missense change affects CACNA1E function (PMID: 30343943). For these reasons, this variant has been classified as Pathogenic. -

Jun 01, 2022
GeneDx
Significance: Pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

Published functional studies demonstrate that this variant negatively affects channel voltage-dependent activation and slows inactivation (Helbig et al., 2018); Not observed at significant frequency in large population cohorts (gnomAD); This variant is associated with the following publications: (PMID: 31064215, 17660294, 23934111, 33746731, 31175295, 33726816, 30343943) -

Jun 15, 2018
Clinical Genetics and Genomics, Karolinska University Hospital
Significance: Likely pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Inborn genetic diseases Pathogenic:1
Mar 07, 2017
Ambry Genetics
Significance: Likely pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Early infantile epileptic encephalopathy with suppression bursts Pathogenic:1
Nov 01, 2018
Yale Center for Mendelian Genomics, Yale University
Significance: Likely pathogenic
Review Status: no assertion criteria provided
Collection Method: literature only

- -

Van der Woude syndrome 1 Pathogenic:1
Oct 28, 2021
Equipe Genetique des Anomalies du Developpement, Université de Bourgogne
Significance: Pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.94
BayesDel_addAF
Pathogenic
0.31
D
BayesDel_noAF
Pathogenic
0.20
CADD
Pathogenic
29
DANN
Uncertain
1.0
DEOGEN2
Pathogenic
0.96
.;.;.;D;D;.;D;.
Eigen
Pathogenic
0.85
Eigen_PC
Pathogenic
0.74
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Pathogenic
0.99
.;.;D;.;D;D;D;D
M_CAP
Pathogenic
0.63
D
MetaRNN
Pathogenic
0.89
D;D;D;D;D;D;D;D
MetaSVM
Pathogenic
1.1
D
MutationAssessor
Pathogenic
3.6
H;H;.;H;.;H;H;H
PrimateAI
Pathogenic
0.93
D
PROVEAN
Uncertain
-3.5
D;.;D;D;.;.;.;.
REVEL
Pathogenic
0.83
Sift
Uncertain
0.0020
D;.;D;D;.;.;.;.
Sift4G
Pathogenic
0.0010
D;D;D;D;D;D;D;D
Polyphen
1.0
D;D;.;.;.;D;.;D
Vest4
0.87
MutPred
0.43
Gain of glycosylation at A702 (P = 0.0547);Gain of glycosylation at A702 (P = 0.0547);Gain of glycosylation at A702 (P = 0.0547);Gain of glycosylation at A702 (P = 0.0547);Gain of glycosylation at A702 (P = 0.0547);Gain of glycosylation at A702 (P = 0.0547);Gain of glycosylation at A702 (P = 0.0547);Gain of glycosylation at A702 (P = 0.0547);
MVP
0.94
MPC
2.0
ClinPred
1.0
D
GERP RS
4.9
Varity_R
0.62
gMVP
0.87

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.070
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: rs12131800; hg19: chr1-181693635; COSMIC: COSV62415002; API