rs140463309

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 0P and 3B. BP4_ModerateBP6

The NM_004366.6(CLCN2):​c.246C>G​(p.Phe82Leu) variant causes a missense change. The variant allele was found at a frequency of 0.000169 in 1,613,376 control chromosomes in the GnomAD database, with no homozygous occurrence. 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 0.00018 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00017 ( 0 hom. )

Consequence

CLCN2
NM_004366.6 missense

Scores

3
7
8

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:3B:1O:1

Conservation

PhyloP100: 5.02

Publications

1 publications found
Variant links:
Genes affected
CLCN2 (HGNC:2020): (chloride voltage-gated channel 2) This gene encodes a voltage-gated chloride channel. The encoded protein is a transmembrane protein that maintains chloride ion homeostasis in various cells. Defects in this gene may be a cause of certain epilepsies. Four transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Mar 2012]
CLCN2 Gene-Disease associations (from GenCC):
  • leukoencephalopathy with mild cerebellar ataxia and white matter edema
    Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE, SUPPORTIVE Submitted by: G2P, Genomics England PanelApp, Orphanet, Ambry Genetics, Labcorp Genetics (formerly Invitae)
  • epilepsy, idiopathic generalized, susceptibility to, 11
    Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp
  • familial hyperaldosteronism type II
    Inheritance: AD Classification: MODERATE, SUPPORTIVE Submitted by: Ambry Genetics, Orphanet
  • epilepsy
    Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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

BP4
Computational evidence support a benign effect (MetaRNN=0.17864868).
BP6
Variant 3-184358788-G-C is Benign according to our data. Variant chr3-184358788-G-C is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 217771.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_004366.6. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
CLCN2
NM_004366.6
MANE Select
c.246C>Gp.Phe82Leu
missense
Exon 3 of 24NP_004357.3
CLCN2
NM_001171087.3
c.246C>Gp.Phe82Leu
missense
Exon 3 of 24NP_001164558.1P51788-3
CLCN2
NM_001171089.3
c.246C>Gp.Phe82Leu
missense
Exon 3 of 23NP_001164560.1P51788-5

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
CLCN2
ENST00000265593.9
TSL:1 MANE Select
c.246C>Gp.Phe82Leu
missense
Exon 3 of 24ENSP00000265593.4P51788-1
CLCN2
ENST00000344937.11
TSL:1
c.246C>Gp.Phe82Leu
missense
Exon 3 of 24ENSP00000345056.7P51788-3
CLCN2
ENST00000938001.1
c.363C>Gp.Phe121Leu
missense
Exon 4 of 25ENSP00000608060.1

Frequencies

GnomAD3 genomes
AF:
0.000184
AC:
28
AN:
152234
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000131
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000621
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000338
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.000129
AC:
32
AN:
248724
AF XY:
0.000178
show subpopulations
Gnomad AFR exome
AF:
0.00
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:
0.000133
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000167
AC:
244
AN:
1461142
Hom.:
0
Cov.:
33
AF XY:
0.000188
AC XY:
137
AN XY:
726808
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33466
American (AMR)
AF:
0.00
AC:
0
AN:
44594
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26102
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39684
South Asian (SAS)
AF:
0.000418
AC:
36
AN:
86118
European-Finnish (FIN)
AF:
0.0000187
AC:
1
AN:
53382
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5766
European-Non Finnish (NFE)
AF:
0.000174
AC:
193
AN:
1111670
Other (OTH)
AF:
0.000232
AC:
14
AN:
60360
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.480
Heterozygous variant carriers
0
18
36
55
73
91
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:
0.000184
AC:
28
AN:
152234
Hom.:
0
Cov.:
33
AF XY:
0.000134
AC XY:
10
AN XY:
74358
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41476
American (AMR)
AF:
0.000131
AC:
2
AN:
15286
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5192
South Asian (SAS)
AF:
0.000621
AC:
3
AN:
4832
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10626
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.000338
AC:
23
AN:
68034
Other (OTH)
AF:
0.00
AC:
0
AN:
2088
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.516
Heterozygous variant carriers
0
2
3
5
6
8
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:
0.000184
Hom.:
0
Bravo
AF:
0.000166
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000259
AC:
1
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000233
AC:
2
ExAC
AF:
0.000148
AC:
18
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

ClinVar

ClinVar submissions
Significance:Conflicting classifications of pathogenicity
Revision:criteria provided, conflicting classifications
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
1
not provided (2)
-
1
-
Familial hyperaldosteronism type II;C2750893:Epilepsy, idiopathic generalized, susceptibility to, 11;C4554120:Leukoencephalopathy with mild cerebellar ataxia and white matter edema (1)
-
1
-
not specified (1)
-
-
-
Leukoencephalopathy with mild cerebellar ataxia and white matter edema (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.71
BayesDel_addAF
Benign
0.0087
T
BayesDel_noAF
Uncertain
0.12
CADD
Uncertain
24
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.42
T
Eigen
Benign
0.052
Eigen_PC
Benign
0.18
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.91
D
M_CAP
Benign
0.084
D
MetaRNN
Benign
0.18
T
MetaSVM
Uncertain
0.11
D
MutationAssessor
Benign
1.7
L
PhyloP100
5.0
PrimateAI
Pathogenic
0.80
T
PROVEAN
Uncertain
-2.5
N
REVEL
Uncertain
0.64
Sift
Benign
0.30
T
Sift4G
Benign
0.47
T
Polyphen
0.96
D
Vest4
0.44
MutPred
0.43
Loss of methylation at K81 (P = 0.0342)
MVP
0.93
MPC
0.34
ClinPred
0.11
T
GERP RS
4.6
PromoterAI
0.016
Neutral
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.6
Varity_R
0.38
gMVP
0.65
Mutation Taster
=7/93
disease causing

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.050
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: rs140463309; hg19: chr3-184076576; API