rs773409037

Variant names:

Variant summary

Our verdict is Benign. The variant received -16 ACMG points: 0P and 16B. BP4_StrongBP6_Very_StrongBS1

The NM_000720.4(CACNA1D):c.1504G>A(p.Ala502Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000093 in 1,559,352 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/19 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.000092 ( 0 hom., cov: 30)

Exomes 𝑓: 0.000093 ( 0 hom. )

Consequence

CACNA1D
NM_000720.4 missense

Scores

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:5

Conservation

PhyloP100: 1.57

Publications

0 publications found

Variant links:

Genes affected

CACNA1D (HGNC:1391): (calcium voltage-gated channel subunit alpha1 D) Voltage-dependent calcium 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, and gene expression. Calcium channels are multisubunit complexes composed of alpha-1, beta, alpha-2/delta, and gamma subunits. The channel activity is directed by the pore-forming alpha-1 subunit, whereas the others act as auxiliary subunits regulating this activity. The distinctive properties of the calcium channel types are related primarily to the expression of a variety of alpha-1 isoforms, namely alpha-1A, B, C, D, E, and S. This gene encodes the alpha-1D subunit. Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Dec 2012]

CACNA1D Gene-Disease associations (from GenCC):

aldosterone-producing adenoma with seizures and neurological abnormalities
Inheritance: AD Classification: DEFINITIVE, STRONG, MODERATE Submitted by: Illumina, Ambry Genetics, Labcorp Genetics (formerly Invitae), G2P
sinoatrial node dysfunction and deafness
Inheritance: AR Classification: STRONG, MODERATE, SUPPORTIVE Submitted by: PanelApp Australia, Orphanet, G2P, ClinGen, Labcorp Genetics (formerly Invitae)

CACNA1D links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -16 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.012845814).

BP6

Variant 3-53718707-G-A is Benign according to our data. Variant chr3-53718707-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 505894.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS1

Variant frequency is greater than expected in population amr. GnomAd4 allele frequency = 0.000092 (14/152184) while in subpopulation AMR AF = 0.000916 (14/15284). AF 95% confidence interval is 0.000553. There are 0 homozygotes in GnomAd4. There are 4 alleles in the male GnomAd4 subpopulation. Median coverage is 30. This position passed quality control check.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CACNA1D	NM_000720.4 link	c.1504G>A	p.Ala502Thr	missense_variant	Exon 11 of 49	ENST00000288139.11	NP_000711.1	Q01668-2Q59GD8
CACNA1D	NM_001128840.3 link	c.1478+319G>A		intron_variant	Intron 10 of 47	ENST00000350061.11	NP_001122312.1	Q01668-1Q59GD8

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CACNA1D	ENST00000288139.11 link	c.1504G>A	p.Ala502Thr	missense_variant	Exon 11 of 49	1	NM_000720.4	ENSP00000288139.3		Q01668-2
CACNA1D	ENST00000350061.11 link	c.1478+319G>A		intron_variant	Intron 10 of 47	1	NM_001128840.3	ENSP00000288133.5		Q01668-1

Frequencies

GnomAD3 genomes

AF:

0.0000920

AC:

AN:

152184

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000916

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000555

AC:

AN:

167514

AF XY:

0.000450

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00355

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.000217

GnomAD4 exome

AF:

0.0000931

AC:

131

AN:

1407168

Hom.:

Cov.:

AF XY:

0.0000748

AC XY:

AN XY:

694978

show subpopulations

African (AFR)

AF:

0.0000620

AC:

AN:

32244

American (AMR)

AF:

0.00342

AC:

126

AN:

36790

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25248

East Asian (EAS)

AF:

0.00

AC:

AN:

36854

South Asian (SAS)

AF:

0.00

AC:

AN:

79870

European-Finnish (FIN)

AF:

0.00

AC:

AN:

48744

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5662

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1083406

Other (OTH)

AF:

0.0000514

AC:

AN:

58350

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.486

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000920

AC:

AN:

152184

Hom.:

Cov.:

AF XY:

0.0000538

AC XY:

AN XY:

74344

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41446

American (AMR)

AF:

0.000916

AC:

AN:

15284

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5186

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10620

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68028

Other (OTH)

AF:

0.00

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.482

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.000104

Hom.:

Bravo

AF:

0.000302

ExAC

AF:

0.000132

AC:

ClinVar

Significance: Likely benign

Submissions summary: Benign:5

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not specified

Benign:3

Jul 07, 2020

Genetic Services Laboratory, University of Chicago

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Jun 13, 2017

Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

p.Ala502Thr in exon 11 of CACNA1D: This variant is not expected to have clinical significance due to a lack of conservation across species, including mammals. A lanine (Ala) at position 502 is not conserved in mammals or evolutionarily dista nt species and 3 species (marmoset, dolphin, and killer whale) carry a threonine (Thr) at this position, supporting that this change may be tolerated. In additi on, the variant has been identified in 0.4% (94/25942) of Latino chromosomes by the Genome Aggregation Database (gnomAD, http://gnomad.broadinstitute.org; dbSNP rs773409037). -

Jan 04, 2018

GeneDx

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. -

not provided

Benign:1

Jan 22, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

CACNA1D-related disorder

Benign:1

Feb 15, 2022

PreventionGenetics, part of Exact Sciences

Significance:Likely benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_addAF

Benign

-0.33

BayesDel_noAF

Benign

-0.25

CADD

Benign

(source)

DANN

Benign

0.69

Eigen

Benign

-0.76

Eigen_PC

Benign

-0.69

FATHMM_MKL

Benign

0.52

LIST_S2

Benign

0.57

.;T;T;T

M_CAP

Benign

0.076

MetaRNN

Benign

0.013

T;T;T;T

MetaSVM

Uncertain

-0.26

PhyloP100

1.6

PrimateAI

Uncertain

0.57

PROVEAN

Benign

-0.40

.;N;.;N

REVEL

Benign

0.26

Sift

Benign

0.58

.;T;.;T

Sift4G

Benign

0.64

.;T;.;T

Polyphen

0.32

B;B;.;B

Vest4

0.18

MutPred

0.30

.;.;.;Loss of glycosylation at P179 (P = 0.0204);

MVP

0.43

MPC

0.77

ClinPred

0.0056

GERP RS

2.4

gMVP

0.46

Mutation Taster

=90/10

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.020

Details are displayed if max score is > 0.2

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

Publications

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rs773409037

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over