chr16-1200559-T-A

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PM2BP4_StrongBP7

The NM_021098.3(CACNA1H):c.1107T>A(p.Ile369Ile) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000658 in 151,970 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Synonymous variant affecting the same amino acid position (i.e. I369I) has been classified as Benign.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

CACNA1H
NM_021098.3 synonymous

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -2.69

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 links:

LOC124903623 (HGNC:):

LOC124903623 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.72).

BP7

Synonymous conserved (PhyloP=-2.69 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CACNA1H	NM_021098.3 link	c.1107T>A	p.Ile369Ile	synonymous_variant	Exon 7 of 35	ENST00000348261.11	NP_066921.2	O95180-1B3KQH9

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
CACNA1H	ENST00000348261.11 link	c.1107T>A	p.Ile369Ile	synonymous_variant	Exon 7 of 35	1	NM_021098.3	ENSP00000334198.7	O95180-1
CACNA1H	ENST00000569107.6 link	c.1107T>A	p.Ile369Ile	synonymous_variant	Exon 7 of 34	1		ENSP00000454990.2	H3BNT0
CACNA1H	ENST00000711493.1 link	c.1107T>A	p.Ile369Ile	synonymous_variant	Exon 7 of 34			ENSP00000518778.1
CACNA1H	ENST00000565831.7 link	c.1107T>A	p.Ile369Ile	synonymous_variant	Exon 7 of 34	1		ENSP00000455840.1	O95180-2
CACNA1H	ENST00000711450.1 link	c.1107T>A	p.Ile369Ile	synonymous_variant	Exon 7 of 35			ENSP00000518762.1
CACNA1H	ENST00000564231.6 link	c.1107T>A	p.Ile369Ile	synonymous_variant	Exon 7 of 35	1		ENSP00000457555.2	H3BUA8
CACNA1H	ENST00000638323.1 link	c.1068T>A	p.Ile356Ile	synonymous_variant	Exon 7 of 35	5		ENSP00000492267.1	A0A1W2PR14
CACNA1H	ENST00000562079.6 link	c.1107T>A	p.Ile369Ile	synonymous_variant	Exon 7 of 34	1		ENSP00000454581.2	H3BMW6
CACNA1H	ENST00000711438.1 link	c.1068T>A	p.Ile356Ile	synonymous_variant	Exon 7 of 34			ENSP00000518754.1
CACNA1H	ENST00000711482.1 link	c.1107T>A	p.Ile369Ile	synonymous_variant	Exon 7 of 36			ENSP00000518771.1
CACNA1H	ENST00000711485.1 link	c.1107T>A	p.Ile369Ile	synonymous_variant	Exon 7 of 35			ENSP00000518774.1
CACNA1H	ENST00000711455.1 link	c.1107T>A	p.Ile369Ile	synonymous_variant	Exon 7 of 36			ENSP00000518768.1
CACNA1H	ENST00000711483.1 link	c.1107T>A	p.Ile369Ile	synonymous_variant	Exon 7 of 35			ENSP00000518772.1
CACNA1H	ENST00000711456.1 link	c.1107T>A	p.Ile369Ile	synonymous_variant	Exon 7 of 34			ENSP00000518769.1
CACNA1H	ENST00000621827.2 link	n.1107T>A		non_coding_transcript_exon_variant	Exon 7 of 37	6		ENSP00000518766.1
CACNA1H	ENST00000637236.3 link	n.1107T>A		non_coding_transcript_exon_variant	Exon 7 of 34	5		ENSP00000492650.2	A0A1W2PS38
CACNA1H	ENST00000639478.1 link	n.1107T>A		non_coding_transcript_exon_variant	Exon 7 of 35	5		ENSP00000491945.1	A0A1W2PQW2
CACNA1H	ENST00000640028.1 link	n.1107T>A		non_coding_transcript_exon_variant	Exon 7 of 35	5		ENSP00000491488.1	A0A1W2PQ19
CACNA1H	ENST00000711442.1 link	n.*554T>A		non_coding_transcript_exon_variant	Exon 6 of 34			ENSP00000518758.1
CACNA1H	ENST00000711448.1 link	n.1107T>A		non_coding_transcript_exon_variant	Exon 7 of 36			ENSP00000518760.1
CACNA1H	ENST00000711449.1 link	n.1107T>A		non_coding_transcript_exon_variant	Exon 7 of 35			ENSP00000518761.1
CACNA1H	ENST00000711451.1 link	n.1107T>A		non_coding_transcript_exon_variant	Exon 7 of 36			ENSP00000518763.1
CACNA1H	ENST00000711452.1 link	n.1107T>A		non_coding_transcript_exon_variant	Exon 7 of 36			ENSP00000518764.1
CACNA1H	ENST00000711453.1 link	n.1107T>A		non_coding_transcript_exon_variant	Exon 7 of 36			ENSP00000518765.1
CACNA1H	ENST00000711484.1 link	n.1107T>A		non_coding_transcript_exon_variant	Exon 7 of 35			ENSP00000518773.1
CACNA1H	ENST00000711486.1 link	n.1107T>A		non_coding_transcript_exon_variant	Exon 7 of 37			ENSP00000518775.1
CACNA1H	ENST00000711487.1 link	n.1107T>A		non_coding_transcript_exon_variant	Exon 7 of 36			ENSP00000518776.1
CACNA1H	ENST00000711488.1 link	n.1107T>A		non_coding_transcript_exon_variant	Exon 7 of 35			ENSP00000518777.1
CACNA1H	ENST00000711442.1 link	n.*554T>A		3_prime_UTR_variant	Exon 6 of 34			ENSP00000518758.1

Frequencies

GnomAD3 genomes

AF:

0.00000658

AC:

AN:

151970

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

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:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD4 exome

Data not reliable, filtered out with message: AS_VQSR

AF:

6.85e-7

AC:

AN:

1459540

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726092

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33470

American (AMR)

AF:

0.00

AC:

AN:

44686

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26100

East Asian (EAS)

AF:

0.00

AC:

AN:

39690

South Asian (SAS)

AF:

0.00

AC:

AN:

86242

European-Finnish (FIN)

AF:

0.00

AC:

AN:

51656

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

9.00e-7

AC:

AN:

1111608

Other (OTH)

AF:

0.00

AC:

AN:

60324

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.00000658

AC:

AN:

151970

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74190

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41352

American (AMR)

AF:

0.00

AC:

AN:

15270

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00

AC:

AN:

5180

South Asian (SAS)

AF:

0.00

AC:

AN:

4832

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10586

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

67966

Other (OTH)

AF:

0.00

AC:

AN:

2090

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

7728

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.72

CADD

Benign

1.6

(source)

DANN

Benign

0.86

PhyloP100

-2.7

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

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chr16-1200559-T-A

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

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