16-1211282-T-C

Variant summary

Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BA1

The NM_021098.3(CACNA1H):ā€‹c.4338T>Cā€‹(p.Ile1446=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.827 in 1,612,988 control chromosomes in the GnomAD database, including 553,382 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (ā˜…ā˜…).

Frequency

Genomes: š‘“ 0.85 ( 55858 hom., cov: 34)
Exomes š‘“: 0.82 ( 497524 hom. )

Consequence

CACNA1H
NM_021098.3 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: -0.120
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -21 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.73).
BP6
Variant 16-1211282-T-C is Benign according to our data. Variant chr16-1211282-T-C is described in ClinVar as [Benign]. Clinvar id is 585644.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-1211282-T-C is described in Lovd as [Benign].
BP7
Synonymous conserved (PhyloP=-0.12 with no splicing effect.
BA1
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.976 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CACNA1HNM_021098.3 linkuse as main transcriptc.4338T>C p.Ile1446= synonymous_variant 22/35 ENST00000348261.11 NP_066921.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CACNA1HENST00000348261.11 linkuse as main transcriptc.4338T>C p.Ile1446= synonymous_variant 22/351 NM_021098.3 ENSP00000334198 P4O95180-1

Frequencies

GnomAD3 genomes
AF:
0.854
AC:
130018
AN:
152160
Hom.:
55798
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.906
Gnomad AMI
AF:
0.797
Gnomad AMR
AF:
0.861
Gnomad ASJ
AF:
0.885
Gnomad EAS
AF:
0.999
Gnomad SAS
AF:
0.946
Gnomad FIN
AF:
0.860
Gnomad MID
AF:
0.905
Gnomad NFE
AF:
0.802
Gnomad OTH
AF:
0.864
GnomAD3 exomes
AF:
0.860
AC:
213791
AN:
248576
Hom.:
92488
AF XY:
0.861
AC XY:
116306
AN XY:
135106
show subpopulations
Gnomad AFR exome
AF:
0.906
Gnomad AMR exome
AF:
0.872
Gnomad ASJ exome
AF:
0.879
Gnomad EAS exome
AF:
0.999
Gnomad SAS exome
AF:
0.941
Gnomad FIN exome
AF:
0.852
Gnomad NFE exome
AF:
0.806
Gnomad OTH exome
AF:
0.849
GnomAD4 exome
AF:
0.824
AC:
1203161
AN:
1460710
Hom.:
497524
Cov.:
66
AF XY:
0.826
AC XY:
600478
AN XY:
726642
show subpopulations
Gnomad4 AFR exome
AF:
0.915
Gnomad4 AMR exome
AF:
0.868
Gnomad4 ASJ exome
AF:
0.879
Gnomad4 EAS exome
AF:
0.999
Gnomad4 SAS exome
AF:
0.938
Gnomad4 FIN exome
AF:
0.852
Gnomad4 NFE exome
AF:
0.800
Gnomad4 OTH exome
AF:
0.844
GnomAD4 genome
AF:
0.855
AC:
130138
AN:
152278
Hom.:
55858
Cov.:
34
AF XY:
0.860
AC XY:
64011
AN XY:
74450
show subpopulations
Gnomad4 AFR
AF:
0.907
Gnomad4 AMR
AF:
0.861
Gnomad4 ASJ
AF:
0.885
Gnomad4 EAS
AF:
0.999
Gnomad4 SAS
AF:
0.946
Gnomad4 FIN
AF:
0.860
Gnomad4 NFE
AF:
0.802
Gnomad4 OTH
AF:
0.866
Alfa
AF:
0.822
Hom.:
66885
Bravo
AF:
0.855
Asia WGS
AF:
0.969
AC:
3369
AN:
3478
EpiCase
AF:
0.815
EpiControl
AF:
0.808

ClinVar

Significance: Benign
Submissions summary: Benign:4
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:3
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Benign, criteria provided, single submitterclinical testingAthena DiagnosticsApr 20, 2017- -
Benign, criteria provided, single submitterclinical testingGeneDxJan 16, 2019- -
Idiopathic generalized epilepsy;C4310756:Hyperaldosteronism, familial, type IV Benign:1
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpFeb 01, 2024- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.73
CADD
Benign
1.4
DANN
Benign
0.54

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs4984637; hg19: chr16-1261282; COSMIC: COSV61998747; COSMIC: COSV61998747; API