16-1213862-C-T

Variant summary

Our verdict is Benign. The variant received -11 ACMG points: 0P and 11B. BP4_StrongBP6_ModerateBP7BS2

The NM_021098.3(CACNA1H):​c.4860C>T​(p.Asp1620Asp) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000228 in 1,610,388 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.00021 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00023 ( 2 hom. )

Consequence

CACNA1H
NM_021098.3 synonymous

Scores

3

Clinical Significance

Likely benign criteria provided, single submitter B:2

Conservation

PhyloP100: 0.0460

Publications

0 publications found
Variant links:
Genes affected
CACNA1H (HGNC:1395): (calcium voltage-gated channel subunit alpha1 H) This gene encodes a T-type member of the alpha-1 subunit family, a protein in the voltage-dependent calcium channel complex. Calcium channels mediate the influx of calcium ions into the cell upon membrane polarization and consist of a complex of alpha-1, alpha-2/delta, beta, and gamma subunits in a 1:1:1:1 ratio. The alpha-1 subunit has 24 transmembrane segments and forms the pore through which ions pass into the cell. There are multiple isoforms of each of the proteins in the complex, either encoded by different genes or the result of alternative splicing of transcripts. Alternate transcriptional splice variants, encoding different isoforms, have been characterized for the gene described here. Studies suggest certain mutations in this gene lead to childhood absence epilepsy (CAE). [provided by RefSeq, Jul 2008]
CACNA1H Gene-Disease associations (from GenCC):
  • hyperaldosteronism, familial, type IV
    Inheritance: AD Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
  • childhood absence epilepsy
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • epilepsy, childhood absence, susceptibility to, 6
    Inheritance: AD Classification: LIMITED Submitted by: G2P, Labcorp Genetics (formerly Invitae)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -11 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.58).
BP6
Variant 16-1213862-C-T is Benign according to our data. Variant chr16-1213862-C-T is described in ClinVar as Likely_benign. ClinVar VariationId is 460129.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
Synonymous conserved (PhyloP=0.046 with no splicing effect.
BS2
High AC in GnomAd4 at 32 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_021098.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
CACNA1H
NM_021098.3
MANE Select
c.4860C>Tp.Asp1620Asp
synonymous
Exon 27 of 35NP_066921.2
CACNA1H
NM_001005407.2
c.4842C>Tp.Asp1614Asp
synonymous
Exon 26 of 34NP_001005407.1

Ensembl Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
CACNA1H
ENST00000348261.11
TSL:1 MANE Select
c.4860C>Tp.Asp1620Asp
synonymous
Exon 27 of 35ENSP00000334198.7
CACNA1H
ENST00000569107.6
TSL:1
c.4875C>Tp.Asp1625Asp
synonymous
Exon 26 of 34ENSP00000454990.2
CACNA1H
ENST00000711493.1
c.4878C>Tp.Asp1626Asp
synonymous
Exon 26 of 34ENSP00000518778.1

Frequencies

GnomAD3 genomes
AF:
0.000204
AC:
31
AN:
152168
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000482
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000262
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000414
Gnomad FIN
AF:
0.0000941
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000323
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.000268
AC:
65
AN:
242918
AF XY:
0.000235
show subpopulations
Gnomad AFR exome
AF:
0.000137
Gnomad AMR exome
AF:
0.0000294
Gnomad ASJ exome
AF:
0.000101
Gnomad EAS exome
AF:
0.000564
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000382
Gnomad OTH exome
AF:
0.000169
GnomAD4 exome
AF:
0.000230
AC:
335
AN:
1458102
Hom.:
2
Cov.:
31
AF XY:
0.000233
AC XY:
169
AN XY:
724968
show subpopulations
African (AFR)
AF:
0.000120
AC:
4
AN:
33438
American (AMR)
AF:
0.000226
AC:
10
AN:
44340
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26050
East Asian (EAS)
AF:
0.000152
AC:
6
AN:
39596
South Asian (SAS)
AF:
0.000281
AC:
24
AN:
85444
European-Finnish (FIN)
AF:
0.0000572
AC:
3
AN:
52470
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5766
European-Non Finnish (NFE)
AF:
0.000245
AC:
272
AN:
1110732
Other (OTH)
AF:
0.000265
AC:
16
AN:
60266
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.457
Heterozygous variant carriers
0
19
38
58
77
96
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
10
20
30
40
50
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.000210
AC:
32
AN:
152286
Hom.:
0
Cov.:
33
AF XY:
0.000242
AC XY:
18
AN XY:
74474
show subpopulations
African (AFR)
AF:
0.0000481
AC:
2
AN:
41586
American (AMR)
AF:
0.000261
AC:
4
AN:
15308
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3466
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5140
South Asian (SAS)
AF:
0.000622
AC:
3
AN:
4826
European-Finnish (FIN)
AF:
0.0000941
AC:
1
AN:
10630
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.000323
AC:
22
AN:
68008
Other (OTH)
AF:
0.00
AC:
0
AN:
2116
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.490
Heterozygous variant carriers
0
3
6
8
11
14
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.000379
Hom.:
0
Bravo
AF:
0.000166

ClinVar

Significance: Likely benign
Submissions summary: Benign:2
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

CACNA1H-related disorder Benign:1
Oct 28, 2019
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).

Idiopathic generalized epilepsy;C4310756:Hyperaldosteronism, familial, type IV Benign:1
Jan 06, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.10
BayesDel_noAF
Benign
-0.58
CADD
Benign
0.24
DANN
Benign
0.68
PhyloP100
0.046
Mutation Taster
=99/1
polymorphism

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

Other links and lift over

dbSNP: rs201309183; hg19: chr16-1263862; API