chr16-1220497-C-G

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP6_ModerateBS2

The NM_021098.3(CACNA1H):ā€‹c.6565C>Gā€‹(p.Pro2189Ala) variant causes a missense change. The variant allele was found at a frequency of 0.00000518 in 1,542,930 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Benign (ā˜…).

Frequency

Genomes: š‘“ 0.0000066 ( 0 hom., cov: 32)
Exomes š‘“: 0.0000050 ( 0 hom. )

Consequence

CACNA1H
NM_021098.3 missense

Scores

6
8
5

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 5.36
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]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

BP6
Variant 16-1220497-C-G is Benign according to our data. Variant chr16-1220497-C-G is described in ClinVar as [Benign]. Clinvar id is 2031568.Status of the report is criteria_provided_single_submitter, 1 stars.
BS2
High AC in GnomAdExome4 at 7 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CACNA1HNM_021098.3 linkuse as main transcriptc.6565C>G p.Pro2189Ala missense_variant 35/35 ENST00000348261.11 NP_066921.2 O95180-1B3KQH9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CACNA1HENST00000348261.11 linkuse as main transcriptc.6565C>G p.Pro2189Ala missense_variant 35/351 NM_021098.3 ENSP00000334198.7 O95180-1
CACNA1HENST00000565831.6 linkuse as main transcriptc.6547C>G p.Pro2183Ala missense_variant 33/331 ENSP00000455840.1 O95180-2
CACNA1HENST00000638323.1 linkuse as main transcriptc.6526C>G p.Pro2176Ala missense_variant 35/355 ENSP00000492267.1 A0A1W2PR14
CACNA1HENST00000569107.5 linkuse as main transcriptc.2803C>G p.Pro935Ala missense_variant 17/171 ENSP00000454990.2 H3BNT0
CACNA1HENST00000564231.5 linkuse as main transcriptc.2755C>G p.Pro919Ala missense_variant 18/181 ENSP00000457555.2 H3BUA8
CACNA1HENST00000562079.5 linkuse as main transcriptc.2737C>G p.Pro913Ala missense_variant 17/171 ENSP00000454581.2 H3BMW6
CACNA1HENST00000639478.1 linkuse as main transcriptn.*1613C>G non_coding_transcript_exon_variant 35/355 ENSP00000491945.1 A0A1W2PQW2
CACNA1HENST00000640028.1 linkuse as main transcriptn.*4383C>G non_coding_transcript_exon_variant 35/355 ENSP00000491488.1 A0A1W2PQ19
CACNA1HENST00000639478.1 linkuse as main transcriptn.*1613C>G 3_prime_UTR_variant 35/355 ENSP00000491945.1 A0A1W2PQW2
CACNA1HENST00000640028.1 linkuse as main transcriptn.*4383C>G 3_prime_UTR_variant 35/355 ENSP00000491488.1 A0A1W2PQ19

Frequencies

GnomAD3 genomes
AF:
0.00000658
AC:
1
AN:
152048
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000242
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
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
GnomAD3 exomes
AF:
0.0000118
AC:
2
AN:
169952
Hom.:
0
AF XY:
0.0000108
AC XY:
1
AN XY:
92984
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000252
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000503
AC:
7
AN:
1390882
Hom.:
0
Cov.:
35
AF XY:
0.00000582
AC XY:
4
AN XY:
687628
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000553
Gnomad4 OTH exome
AF:
0.0000175
GnomAD4 genome
AF:
0.00000658
AC:
1
AN:
152048
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74252
show subpopulations
Gnomad4 AFR
AF:
0.0000242
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000151
ExAC
AF:
0.0000171
AC:
2

ClinVar

Significance: Benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Idiopathic generalized epilepsy;C4310756:Hyperaldosteronism, familial, type IV Benign:1
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpSep 21, 2022- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.64
BayesDel_addAF
Benign
-0.056
T
BayesDel_noAF
Benign
-0.26
CADD
Uncertain
25
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.66
D;.;.;.
Eigen
Uncertain
0.57
Eigen_PC
Uncertain
0.54
FATHMM_MKL
Uncertain
0.78
D
LIST_S2
Uncertain
0.91
D;D;D;.
M_CAP
Pathogenic
0.47
D
MetaRNN
Uncertain
0.43
T;T;T;T
MetaSVM
Benign
-0.79
T
MutationAssessor
Pathogenic
3.0
M;.;.;.
PrimateAI
Pathogenic
0.88
D
PROVEAN
Pathogenic
-6.0
D;.;D;D
REVEL
Benign
0.22
Sift
Pathogenic
0.0
D;.;D;D
Sift4G
Uncertain
0.054
T;.;T;T
Polyphen
1.0
D;.;D;D
Vest4
0.29
MutPred
0.22
Loss of catalytic residue at P2189 (P = 0.0041);.;.;.;
MVP
0.72
ClinPred
0.99
D
GERP RS
4.7
Varity_R
0.80
gMVP
0.23

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs538538654; hg19: chr16-1270497; API