rs767196759

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_ModerateBP6_Moderate

The NM_021098.3(CACNA1H):​c.1937A>C​(p.His646Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000716 in 1,396,236 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. H646Q) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 7.2e-7 ( 0 hom. )

Consequence

CACNA1H
NM_021098.3 missense

Scores

1
3
15

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 0.596

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: Likely_benign. The variant received -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.106597364).
BP6
Variant 16-1202387-A-C is Benign according to our data. Variant chr16-1202387-A-C is described in ClinVar as Benign. ClinVar VariationId is 529554.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
CACNA1HNM_021098.3 linkc.1937A>C p.His646Pro missense_variant Exon 9 of 35 ENST00000348261.11 NP_066921.2 O95180-1B3KQH9

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
CACNA1HENST00000348261.11 linkc.1937A>C p.His646Pro missense_variant Exon 9 of 35 1 NM_021098.3 ENSP00000334198.7 O95180-1
CACNA1HENST00000569107.6 linkc.1937A>C p.His646Pro missense_variant Exon 9 of 34 1 ENSP00000454990.2 H3BNT0
CACNA1HENST00000711493.1 linkc.1937A>C p.His646Pro missense_variant Exon 9 of 34 ENSP00000518778.1
CACNA1HENST00000565831.7 linkc.1937A>C p.His646Pro missense_variant Exon 9 of 34 1 ENSP00000455840.1 O95180-2
CACNA1HENST00000711450.1 linkc.1937A>C p.His646Pro missense_variant Exon 9 of 35 ENSP00000518762.1
CACNA1HENST00000564231.6 linkc.1937A>C p.His646Pro missense_variant Exon 9 of 35 1 ENSP00000457555.2 H3BUA8
CACNA1HENST00000638323.1 linkc.1898A>C p.His633Pro missense_variant Exon 9 of 35 5 ENSP00000492267.1 A0A1W2PR14
CACNA1HENST00000562079.6 linkc.1937A>C p.His646Pro missense_variant Exon 9 of 34 1 ENSP00000454581.2 H3BMW6
CACNA1HENST00000711438.1 linkc.1898A>C p.His633Pro missense_variant Exon 9 of 34 ENSP00000518754.1
CACNA1HENST00000711482.1 linkc.1937A>C p.His646Pro missense_variant Exon 9 of 36 ENSP00000518771.1
CACNA1HENST00000711485.1 linkc.1937A>C p.His646Pro missense_variant Exon 9 of 35 ENSP00000518774.1
CACNA1HENST00000711455.1 linkc.1937A>C p.His646Pro missense_variant Exon 9 of 36 ENSP00000518768.1
CACNA1HENST00000711483.1 linkc.1937A>C p.His646Pro missense_variant Exon 9 of 35 ENSP00000518772.1
CACNA1HENST00000711456.1 linkc.1937A>C p.His646Pro missense_variant Exon 9 of 34 ENSP00000518769.1
CACNA1HENST00000621827.2 linkn.1937A>C non_coding_transcript_exon_variant Exon 9 of 37 6 ENSP00000518766.1
CACNA1HENST00000637236.3 linkn.1937A>C non_coding_transcript_exon_variant Exon 9 of 34 5 ENSP00000492650.2 A0A1W2PS38
CACNA1HENST00000639478.1 linkn.1937A>C non_coding_transcript_exon_variant Exon 9 of 35 5 ENSP00000491945.1 A0A1W2PQW2
CACNA1HENST00000711442.1 linkn.*1384A>C non_coding_transcript_exon_variant Exon 8 of 34 ENSP00000518758.1
CACNA1HENST00000711448.1 linkn.1937A>C non_coding_transcript_exon_variant Exon 9 of 36 ENSP00000518760.1
CACNA1HENST00000711449.1 linkn.1937A>C non_coding_transcript_exon_variant Exon 9 of 35 ENSP00000518761.1
CACNA1HENST00000711451.1 linkn.1937A>C non_coding_transcript_exon_variant Exon 9 of 36 ENSP00000518763.1
CACNA1HENST00000711452.1 linkn.1937A>C non_coding_transcript_exon_variant Exon 9 of 36 ENSP00000518764.1
CACNA1HENST00000711453.1 linkn.1937A>C non_coding_transcript_exon_variant Exon 9 of 36 ENSP00000518765.1
CACNA1HENST00000711484.1 linkn.1937A>C non_coding_transcript_exon_variant Exon 9 of 35 ENSP00000518773.1
CACNA1HENST00000711486.1 linkn.1937A>C non_coding_transcript_exon_variant Exon 9 of 37 ENSP00000518775.1
CACNA1HENST00000711487.1 linkn.1937A>C non_coding_transcript_exon_variant Exon 9 of 36 ENSP00000518776.1
CACNA1HENST00000711488.1 linkn.1937A>C non_coding_transcript_exon_variant Exon 9 of 35 ENSP00000518777.1
CACNA1HENST00000711442.1 linkn.*1384A>C 3_prime_UTR_variant Exon 8 of 34 ENSP00000518758.1
CACNA1HENST00000640028.1 linkn.1385+552A>C intron_variant Intron 9 of 34 5 ENSP00000491488.1 A0A1W2PQ19

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD2 exomes
AF:
0.00000680
AC:
1
AN:
146980
AF XY:
0.0000126
show subpopulations
Gnomad AFR exome
AF:
0.000139
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
7.16e-7
AC:
1
AN:
1396236
Hom.:
0
Cov.:
39
AF XY:
0.00000145
AC XY:
1
AN XY:
688692
show subpopulations
African (AFR)
AF:
0.0000315
AC:
1
AN:
31738
American (AMR)
AF:
0.00
AC:
0
AN:
35858
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
24850
East Asian (EAS)
AF:
0.00
AC:
0
AN:
35956
South Asian (SAS)
AF:
0.00
AC:
0
AN:
78552
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
46102
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5682
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1079528
Other (OTH)
AF:
0.00
AC:
0
AN:
57970
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.525
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome 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
GnomAD4 genome
Cov.:
33
ExAC
AF:
0.00000924
AC:
1

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
Aug 09, 2022
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.069
BayesDel_addAF
Benign
-0.058
T
BayesDel_noAF
Uncertain
-0.070
CADD
Benign
14
DANN
Benign
0.51
DEOGEN2
Benign
0.14
T;.;.;.
Eigen
Benign
-0.76
Eigen_PC
Benign
-0.81
FATHMM_MKL
Benign
0.38
N
LIST_S2
Benign
0.46
T;T;T;.
M_CAP
Pathogenic
0.37
D
MetaRNN
Benign
0.11
T;T;T;T
MetaSVM
Uncertain
0.072
D
MutationAssessor
Uncertain
2.5
M;.;M;M
PhyloP100
0.60
PrimateAI
Benign
0.38
T
PROVEAN
Benign
-1.1
N;.;N;N
REVEL
Benign
0.25
Sift
Benign
0.31
T;.;T;T
Sift4G
Benign
0.26
T;.;T;T
Polyphen
0.17
B;.;B;B
Vest4
0.30
MutPred
0.36
Gain of relative solvent accessibility (P = 0.0104);.;Gain of relative solvent accessibility (P = 0.0104);Gain of relative solvent accessibility (P = 0.0104);
MVP
0.81
ClinPred
0.13
T
GERP RS
2.9
Varity_R
0.21
gMVP
0.30
Mutation Taster
=82/18
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: rs767196759; hg19: chr16-1252387; API