rs723540

Variant names:

• chr3-53721926-C-G
• rs723540
• NM_000720.4:c.1566-388C>G

Variant summary

Our verdict is Benign. The variant received -12 ACMG points: 0P and 12B. BP4_Strong BA1

The NM_000720.4(CACNA1D):​c.1566-388C>G variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.232 in 152,058 control chromosomes in the GnomAD database, including 4,262 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 0.23 (4262 hom., cov: 33)
• Consequence: CACNA1D NM_000720.4 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.0730
• Publications: 4 publications found

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)

ACMG classification

Our verdict: Benign. The variant received -12 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.67).
• BA1: GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.257 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CACNA1D	NM_000720.4	c.1566-388C>G		intron_variant	Intron 12 of 48	ENST00000288139.11	NP_000711.1
CACNA1D	NM_001128840.3	c.1506-388C>G		intron_variant	Intron 11 of 47	ENST00000350061.11	NP_001122312.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CACNA1D	ENST00000288139.11	c.1566-388C>G		intron_variant	Intron 12 of 48	1	NM_000720.4	ENSP00000288139.3
CACNA1D	ENST00000350061.11	c.1506-388C>G		intron_variant	Intron 11 of 47	1	NM_001128840.3	ENSP00000288133.5

Frequencies

GnomAD3 genomes AF: 0.232 AC: 35294 AN: 151942 Hom.: 4259 Cov.: 33

Gnomad AFR AF: 0.261

Gnomad AMI AF: 0.191

Gnomad AMR AF: 0.186

Gnomad ASJ AF: 0.225

Gnomad EAS AF: 0.0978

Gnomad SAS AF: 0.106

Gnomad FIN AF: 0.245

Gnomad MID AF: 0.272

Gnomad NFE AF: 0.243

Gnomad OTH AF: 0.226

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome AF: 0.232 AC: 35323 AN: 152058 Hom.: 4262 Cov.: 33 AF XY: 0.229 AC XY: 17012 AN XY: 74314

African (AFR) AF: 0.261 AC: 10821 AN: 41452

American (AMR) AF: 0.186 AC: 2843 AN: 15282

Ashkenazi Jewish (ASJ) AF: 0.225 AC: 782 AN: 3468

East Asian (EAS) AF: 0.0975 AC: 504 AN: 5170

South Asian (SAS) AF: 0.106 AC: 512 AN: 4826

European-Finnish (FIN) AF: 0.245 AC: 2588 AN: 10554

Middle Eastern (MID) AF: 0.262 AC: 77 AN: 294

European-Non Finnish (NFE) AF: 0.243 AC: 16544 AN: 67990

Other (OTH) AF: 0.226 AC: 478 AN: 2112

Alfa AF: 0.238 Hom.: 566

Bravo AF: 0.232

Asia WGS AF: 0.127 AC: 444 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.67
CADD	Benign	10
DANN	Benign	0.71
PhyloP100		-0.073
Mutation Taster		=100/0	polymorphism (auto)

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

Other links and lift over

dbSNP: rs723540; hg19: chr3-53755953;