7-82136680-CAA-CAAAA

Variant summary

Our verdict is Benign. Variant got -16 ACMG points: 0P and 16B. BP6_Very_StrongBS1BS2

The NM_000722.4(CACNA2D1):​c.355-6_355-5dupTT variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00322 in 1,325,098 control chromosomes in the GnomAD database, including 14 homozygotes. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0032 ( 5 hom., cov: 30)
Exomes 𝑓: 0.0032 ( 9 hom. )

Consequence

CACNA2D1
NM_000722.4 splice_region, intron

Scores

Not classified

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 0.0210
Variant links:
Genes affected
CACNA2D1 (HGNC:1399): (calcium voltage-gated channel auxiliary subunit alpha2delta 1) The preproprotein encoded by this gene is cleaved into multiple chains that comprise the alpha-2 and delta subunits of the voltage-dependent calcium channel complex. Calcium channels mediate the influx of calcium ions into the cell upon membrane polarization. Mutations in this gene can cause cardiac deficiencies, including Brugada syndrome and short QT syndrome. Alternate splicing results in multiple transcript variants, some of which may lack the delta subunit portion. [provided by RefSeq, Nov 2014]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -16 ACMG points.

BP6
Variant 7-82136680-C-CAA is Benign according to our data. Variant chr7-82136680-C-CAA is described in ClinVar as [Benign]. Clinvar id is 220682.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population sas. gnomad4 allele frequency = 0.00324 (452/139332) while in subpopulation SAS AF= 0.0365 (160/4386). AF 95% confidence interval is 0.0319. There are 5 homozygotes in gnomad4. There are 257 alleles in male gnomad4 subpopulation. Median coverage is 30. This position pass quality control queck.
BS2
High AC in GnomAd4 at 452 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CACNA2D1NM_000722.4 linkc.355-6_355-5dupTT splice_region_variant, intron_variant ENST00000356860.8 NP_000713.2 P54289-2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CACNA2D1ENST00000356860.8 linkc.355-5_355-4insTT splice_region_variant, intron_variant 1 NM_000722.4 ENSP00000349320.3 P54289-2

Frequencies

GnomAD3 genomes
AF:
0.00326
AC:
454
AN:
139240
Hom.:
5
Cov.:
30
show subpopulations
Gnomad AFR
AF:
0.00637
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000799
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00537
Gnomad SAS
AF:
0.0363
Gnomad FIN
AF:
0.000121
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000142
Gnomad OTH
AF:
0.00211
GnomAD3 exomes
AF:
0.00652
AC:
759
AN:
116500
Hom.:
3
AF XY:
0.00774
AC XY:
483
AN XY:
62424
show subpopulations
Gnomad AFR exome
AF:
0.00844
Gnomad AMR exome
AF:
0.00278
Gnomad ASJ exome
AF:
0.00149
Gnomad EAS exome
AF:
0.00758
Gnomad SAS exome
AF:
0.0364
Gnomad FIN exome
AF:
0.000760
Gnomad NFE exome
AF:
0.000594
Gnomad OTH exome
AF:
0.00313
GnomAD4 exome
AF:
0.00322
AC:
3818
AN:
1185766
Hom.:
9
Cov.:
25
AF XY:
0.00386
AC XY:
2270
AN XY:
587558
show subpopulations
Gnomad4 AFR exome
AF:
0.00864
Gnomad4 AMR exome
AF:
0.00272
Gnomad4 ASJ exome
AF:
0.00127
Gnomad4 EAS exome
AF:
0.00662
Gnomad4 SAS exome
AF:
0.0314
Gnomad4 FIN exome
AF:
0.000528
Gnomad4 NFE exome
AF:
0.00110
Gnomad4 OTH exome
AF:
0.00335
GnomAD4 genome
AF:
0.00324
AC:
452
AN:
139332
Hom.:
5
Cov.:
30
AF XY:
0.00382
AC XY:
257
AN XY:
67328
show subpopulations
Gnomad4 AFR
AF:
0.00630
Gnomad4 AMR
AF:
0.000798
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00538
Gnomad4 SAS
AF:
0.0365
Gnomad4 FIN
AF:
0.000121
Gnomad4 NFE
AF:
0.000142
Gnomad4 OTH
AF:
0.00209

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Brugada syndrome Benign:1
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 31, 2024- -
not provided Benign:1
Benign, criteria provided, single submitterclinical testingGeneDxSep 03, 2020- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction

Splicing

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: rs142849270; hg19: chr7-81765996; API