rs145641295

Variant summary

Our verdict is Benign. The variant received -12 ACMG points: 0P and 12B. BP4_ModerateBP6BP7BS1BS2

The NM_001367721.1(CASK):​c.1077G>A​(p.Ala359Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00126 in 1,207,236 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 501 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.00087 ( 0 hom., 32 hem., cov: 22)
Exomes 𝑓: 0.0013 ( 0 hom. 469 hem. )

Consequence

CASK
NM_001367721.1 synonymous

Scores

2

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:7

Conservation

PhyloP100: -0.215

Publications

4 publications found
Variant links:
Genes affected
CASK (HGNC:1497): (calcium/calmodulin dependent serine protein kinase) This gene encodes a calcium/calmodulin-dependent serine protein kinase. The encoded protein is a MAGUK (membrane-associated guanylate kinase) protein family member. These proteins are scaffold proteins and the encoded protein is located at synapses in the brain. Mutations in this gene are associated with FG syndrome 4, intellectual disability and microcephaly with pontine and cerebellar hypoplasia, and a form of X-linked intellectual disability. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2017]
CASK Gene-Disease associations (from GenCC):
  • FG syndrome 4
    Inheritance: XL Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics, G2P
  • syndromic X-linked intellectual disability Najm type
    Inheritance: XL Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: G2P, Ambry Genetics, Orphanet, Labcorp Genetics (formerly Invitae)
  • X-linked syndromic intellectual disability
    Inheritance: XL Classification: DEFINITIVE Submitted by: ClinGen
  • genetic developmental and epileptic encephalopathy
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -12 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.27).
BP6
Variant X-41609982-C-T is Benign according to our data. Variant chrX-41609982-C-T is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 194051.
BP7
Synonymous conserved (PhyloP=-0.215 with no splicing effect.
BS1
Variant frequency is greater than expected in population nfe. GnomAd4 allele frequency = 0.000873 (98/112194) while in subpopulation NFE AF = 0.00163 (87/53240). AF 95% confidence interval is 0.00136. There are 0 homozygotes in GnomAd4. There are 32 alleles in the male GnomAd4 subpopulation. Median coverage is 22. This position passed quality control check.
BS2
High AC in GnomAd4 at 98 XL,AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
CASKNM_001367721.1 linkc.1077G>A p.Ala359Ala synonymous_variant Exon 12 of 27 ENST00000378163.7 NP_001354650.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
CASKENST00000378163.7 linkc.1077G>A p.Ala359Ala synonymous_variant Exon 12 of 27 5 NM_001367721.1 ENSP00000367405.1 O14936-1

Frequencies

GnomAD3 genomes
AF:
0.000874
AC:
98
AN:
112140
Hom.:
0
Cov.:
22
show subpopulations
Gnomad AFR
AF:
0.000162
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000474
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:
0.00163
Gnomad OTH
AF:
0.000661
GnomAD2 exomes
AF:
0.000956
AC:
175
AN:
183123
AF XY:
0.00107
show subpopulations
Gnomad AFR exome
AF:
0.000228
Gnomad AMR exome
AF:
0.000620
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000433
Gnomad FIN exome
AF:
0.000188
Gnomad NFE exome
AF:
0.00171
Gnomad OTH exome
AF:
0.00110
GnomAD4 exome
AF:
0.00130
AC:
1423
AN:
1095042
Hom.:
0
Cov.:
29
AF XY:
0.00130
AC XY:
469
AN XY:
360492
show subpopulations
African (AFR)
AF:
0.000152
AC:
4
AN:
26338
American (AMR)
AF:
0.000682
AC:
24
AN:
35199
Ashkenazi Jewish (ASJ)
AF:
0.000103
AC:
2
AN:
19366
East Asian (EAS)
AF:
0.000232
AC:
7
AN:
30189
South Asian (SAS)
AF:
0.0000740
AC:
4
AN:
54034
European-Finnish (FIN)
AF:
0.000173
AC:
7
AN:
40510
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
4132
European-Non Finnish (NFE)
AF:
0.00156
AC:
1310
AN:
839296
Other (OTH)
AF:
0.00141
AC:
65
AN:
45978
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.473
Heterozygous variant carriers
0
52
104
157
209
261
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
52
104
156
208
260
<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:
0.000873
AC:
98
AN:
112194
Hom.:
0
Cov.:
22
AF XY:
0.000931
AC XY:
32
AN XY:
34354
show subpopulations
African (AFR)
AF:
0.000162
AC:
5
AN:
30921
American (AMR)
AF:
0.000473
AC:
5
AN:
10560
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
2651
East Asian (EAS)
AF:
0.00
AC:
0
AN:
3595
South Asian (SAS)
AF:
0.00
AC:
0
AN:
2716
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
6080
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
216
European-Non Finnish (NFE)
AF:
0.00163
AC:
87
AN:
53240
Other (OTH)
AF:
0.000653
AC:
1
AN:
1531
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.485
Heterozygous variant carriers
0
4
8
12
16
20
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
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:
0.00138
Hom.:
13
Bravo
AF:
0.000899
EpiCase
AF:
0.00147
EpiControl
AF:
0.00149

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:1Benign:7
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not provided Uncertain:1Benign:2
Jan 29, 2019
GeneDx
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Mar 25, 2024
ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Jun 01, 2016
CeGaT Center for Human Genetics Tuebingen
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

not specified Benign:2
Apr 08, 2015
Eurofins Ntd Llc (ga)
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

May 22, 2015
Genetic Services Laboratory, University of Chicago
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Inborn genetic diseases Benign:1
Feb 15, 2017
Ambry Genetics
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This alteration is classified as benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

CASK-related disorder Benign:1
Sep 11, 2019
PreventionGenetics, part of Exact Sciences
Significance:Likely benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Intellectual disability, CASK-related, X-linked Benign:1
Jan 27, 2025
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
BayesDel_noAF
Benign
-0.27
CADD
Benign
3.7
DANN
Benign
0.62
PhyloP100
-0.21
Mutation Taster
=83/17
polymorphism (auto)

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: rs145641295; hg19: chrX-41469235; API