1-201089300-G-A

Position:

chr1-201089300-G-A

Variant summary

Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BS1BS2

The NM_000069.3(CACNA1S):c.858C>T(p.Tyr286=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00373 in 1,614,250 control chromosomes in the GnomAD database, including 104 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.015 ( 51 hom., cov: 32)

Exomes 𝑓: 0.0025 ( 53 hom. )

Consequence

CACNA1S
NM_000069.3 synonymous

Scores

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:14

Conservation

PhyloP100: 0.896

Variant links:

Genes affected

CACNA1S (HGNC:1397): (calcium voltage-gated channel subunit alpha1 S) This gene encodes one of the five subunits of the slowly inactivating L-type voltage-dependent calcium channel in skeletal muscle cells. Mutations in this gene have been associated with hypokalemic periodic paralysis, thyrotoxic periodic paralysis and malignant hyperthermia susceptibility. [provided by RefSeq, Jul 2008]

CACNA1S links:

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=-0.48).

BP6

Variant 1-201089300-G-A is Benign according to our data. Variant chr1-201089300-G-A is described in ClinVar as [Benign]. Clinvar id is 254854.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=0.896 with no splicing effect.

BS1

Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.0153 (2337/152360) while in subpopulation AFR AF= 0.0487 (2027/41582). AF 95% confidence interval is 0.047. There are 51 homozygotes in gnomad4. There are 1098 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.

BS2

High Homozygotes in GnomAd4 at 51 SD gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
CACNA1S	NM_000069.3 linkuse as main transcript	c.858C>T	p.Tyr286=	synonymous_variant	6/44	ENST00000362061.4	NP_000060.2
CACNA1S	XM_005245478.4 linkuse as main transcript	c.858C>T	p.Tyr286=	synonymous_variant	6/43		XP_005245535.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
CACNA1S	ENST00000362061.4 linkuse as main transcript	c.858C>T	p.Tyr286=	synonymous_variant	6/44	1	NM_000069.3	ENSP00000355192	P2

Frequencies

GnomAD3 genomes

AF:

0.0153

AC:

2327

AN:

152242

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0486

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00844

Gnomad ASJ

AF:

0.0196

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.0000941

Gnomad MID

AF:

0.00316

Gnomad NFE

AF:

0.00118

Gnomad OTH

AF:

0.0143

GnomAD3 exomes

AF:

0.00534

AC:

1343

AN:

251416

Hom.:

AF XY:

0.00419

AC XY:

570

AN XY:

135900

show subpopulations

Gnomad AFR exome

AF:

0.0524

Gnomad AMR exome

AF:

0.00416

Gnomad ASJ exome

AF:

0.0172

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.000294

Gnomad FIN exome

AF:

0.000139

Gnomad NFE exome

AF:

0.00120

Gnomad OTH exome

AF:

0.00440

GnomAD4 exome

AF:

0.00252

AC:

3690

AN:

1461890

Hom.:

Cov.:

AF XY:

0.00230

AC XY:

1674

AN XY:

727246

show subpopulations

Gnomad4 AFR exome

AF:

0.0519

Gnomad4 AMR exome

AF:

0.00499

Gnomad4 ASJ exome

AF:

0.0177

Gnomad4 EAS exome

AF:

0.0000252

Gnomad4 SAS exome

AF:

0.000185

Gnomad4 FIN exome

AF:

0.000187

Gnomad4 NFE exome

AF:

0.000710

Gnomad4 OTH exome

AF:

0.00628

GnomAD4 genome

AF:

0.0153

AC:

2337

AN:

152360

Hom.:

Cov.:

AF XY:

0.0147

AC XY:

1098

AN XY:

74504

show subpopulations

Gnomad4 AFR

AF:

0.0487

Gnomad4 AMR

AF:

0.00843

Gnomad4 ASJ

AF:

0.0196

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.000207

Gnomad4 FIN

AF:

0.0000941

Gnomad4 NFE

AF:

0.00118

Gnomad4 OTH

AF:

0.0142

Alfa

AF:

0.00957

Hom.:

Bravo

AF:

0.0179

Asia WGS

AF:

0.00375

AC:

AN:

3478

EpiCase

AF:

0.00169

EpiControl

AF:

0.00190

ClinVar

Significance: Benign

Submissions summary: Benign:14

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:3

Benign, criteria provided, single submitter	not provided	Breakthrough Genomics, Breakthrough Genomics	-	- -
Benign, criteria provided, single submitter	clinical testing	Athena Diagnostics	Aug 03, 2018	- -
Benign, criteria provided, single submitter	clinical testing	ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories	Oct 06, 2023	- -

Malignant hyperthermia, susceptibility to, 5

Benign:3

Benign, criteria provided, single submitter	clinical testing	Color Diagnostics, LLC DBA Color Health	Aug 17, 2022	- -
Benign, criteria provided, single submitter	clinical testing	All of Us Research Program, National Institutes of Health	Feb 05, 2024	- -
Benign, criteria provided, single submitter	clinical testing	Genome-Nilou Lab	Apr 11, 2023	- -

not specified

Benign:2

Benign, criteria provided, single submitter	clinical testing	GeneDx	Aug 31, 2016	This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. -
Benign, criteria provided, single submitter	clinical testing	PreventionGenetics, part of Exact Sciences	-	- -

Hypokalemic periodic paralysis, type 1

Benign:2

Benign, criteria provided, single submitter	clinical testing	Illumina Laboratory Services, Illumina	Jan 13, 2018	This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. -
Benign, criteria provided, single submitter	clinical testing	Genome-Nilou Lab	Apr 11, 2023	- -

Malignant hyperthermia, susceptibility to, 5;C2749982:Thyrotoxic periodic paralysis, susceptibility to, 1;C3714580:Hypokalemic periodic paralysis, type 1

Benign:1

Benign, criteria provided, single submitter

clinical testing

Fulgent Genetics, Fulgent Genetics

Apr 14, 2022

- -

Congenital myopathy 18

Benign:1

Benign, criteria provided, single submitter

clinical testing

Genome-Nilou Lab

Apr 11, 2023

- -

Thyrotoxic periodic paralysis, susceptibility to, 1

Benign:1

Benign, criteria provided, single submitter

clinical testing

Genome-Nilou Lab

Apr 11, 2023

- -

Malignant hyperthermia, susceptibility to, 5;C3714580:Hypokalemic periodic paralysis, type 1

Benign:1

Benign, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Feb 01, 2024

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.48

CADD

Benign

7.9

DANN

Benign

0.93

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.030

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over