rs141031133

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 0P and 0B.

The NM_000069.3(CACNA1S):​c.2048G>A​(p.Arg683His) variant causes a missense change. The variant allele was found at a frequency of 0.000112 in 1,611,804 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R683C) has been classified as Benign.

Frequency

Genomes: 𝑓 0.000053 ( 0 hom., cov: 34)
Exomes 𝑓: 0.00012 ( 0 hom. )

Consequence

CACNA1S
NM_000069.3 missense

Scores

2
13
3

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:5B:1

Conservation

PhyloP100: 5.02

Publications

2 publications found
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 Gene-Disease associations (from GenCC):
  • hypokalemic periodic paralysis, type 1
    Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp, Labcorp Genetics (formerly Invitae), Ambry Genetics
  • malignant hyperthermia, susceptibility to, 5
    Inheritance: AD Classification: STRONG, MODERATE Submitted by: ClinGen, Ambry Genetics, Labcorp Genetics (formerly Invitae)
  • congenital myopathy 18
    Inheritance: AR, AD Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
  • congenital myopathy
    Inheritance: SD, AD, AR Classification: STRONG Submitted by: Illumina, Genomics England PanelApp
  • hypokalemic periodic paralysis
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000069.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
CACNA1S
NM_000069.3
MANE Select
c.2048G>Ap.Arg683His
missense
Exon 14 of 44NP_000060.2Q13698

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
CACNA1S
ENST00000362061.4
TSL:1 MANE Select
c.2048G>Ap.Arg683His
missense
Exon 14 of 44ENSP00000355192.3Q13698
CACNA1S
ENST00000367338.7
TSL:5
c.2048G>Ap.Arg683His
missense
Exon 14 of 43ENSP00000356307.3B1ALM3
CACNA1S
ENST00000681874.1
c.2048G>Ap.Arg683His
missense
Exon 14 of 43ENSP00000505162.1A0A7P0T8M7

Frequencies

GnomAD3 genomes
AF:
0.0000525
AC:
8
AN:
152274
Hom.:
0
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.0000241
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:
0.000103
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000359
AC:
9
AN:
250918
AF XY:
0.0000369
show subpopulations
Gnomad AFR exome
AF:
0.0000617
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:
0.0000705
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000119
AC:
173
AN:
1459530
Hom.:
0
Cov.:
30
AF XY:
0.000110
AC XY:
80
AN XY:
726152
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33426
American (AMR)
AF:
0.00
AC:
0
AN:
44698
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26104
East Asian (EAS)
AF:
0.0000252
AC:
1
AN:
39688
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86096
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53400
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.000143
AC:
159
AN:
1110032
Other (OTH)
AF:
0.000216
AC:
13
AN:
60318
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.459
Heterozygous variant carriers
0
8
15
23
30
38
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
10
20
30
40
50
<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
AF:
0.0000525
AC:
8
AN:
152274
Hom.:
0
Cov.:
34
AF XY:
0.0000134
AC XY:
1
AN XY:
74392
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41472
American (AMR)
AF:
0.00
AC:
0
AN:
15294
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5206
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4834
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10624
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.000103
AC:
7
AN:
68050
Other (OTH)
AF:
0.00
AC:
0
AN:
2094
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.519
Heterozygous variant carriers
0
1
1
2
2
3
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome 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
Alfa
AF:
0.000123
Hom.:
0
Bravo
AF:
0.0000680
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.000233
AC:
2
ExAC
AF:
0.0000494
AC:
6
EpiCase
AF:
0.000109
EpiControl
AF:
0.000178

ClinVar

ClinVar submissions
Significance:Conflicting classifications of pathogenicity
Revision:criteria provided, conflicting classifications
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
2
-
Malignant hyperthermia, susceptibility to, 5 (2)
-
1
-
Hypokalemic periodic paralysis, type 1 (1)
-
1
-
Malignant hyperthermia, susceptibility to, 5;C2749982:Thyrotoxic periodic paralysis, susceptibility to, 1;C3714580:Hypokalemic periodic paralysis, type 1;C5830283:Congenital myopathy 18 (1)
-
-
1
Malignant hyperthermia, susceptibility to, 5;C3714580:Hypokalemic periodic paralysis, type 1 (1)
-
1
-
not provided (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.11
BayesDel_addAF
Uncertain
0.084
D
BayesDel_noAF
Uncertain
0.070
CADD
Pathogenic
28
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.064
T
Eigen
Uncertain
0.65
Eigen_PC
Uncertain
0.54
FATHMM_MKL
Uncertain
0.93
D
LIST_S2
Uncertain
0.93
D
M_CAP
Uncertain
0.24
D
MetaRNN
Uncertain
0.71
D
MetaSVM
Uncertain
0.73
D
MutationAssessor
Pathogenic
3.2
M
PhyloP100
5.0
PrimateAI
Benign
0.47
T
PROVEAN
Uncertain
-3.9
D
REVEL
Uncertain
0.62
Sift
Uncertain
0.0010
D
Sift4G
Uncertain
0.0050
D
Polyphen
1.0
D
Vest4
0.54
MVP
0.95
MPC
0.58
ClinPred
0.82
D
GERP RS
4.0
Varity_R
0.39
gMVP
0.61
Mutation Taster
=63/37
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: rs141031133; hg19: chr1-201043649; API