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GeneBe

rs5252

Variant summary

Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BA1

The NM_000085.5(CLCNKB):​c.1308C>T​(p.Ile436=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.113 in 1,612,096 control chromosomes in the GnomAD database, including 11,777 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.13 ( 1699 hom., cov: 32)
Exomes 𝑓: 0.11 ( 10078 hom. )

Consequence

CLCNKB
NM_000085.5 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: -1.36
Variant links:
Genes affected
CLCNKB (HGNC:2027): (chloride voltage-gated channel Kb) The protein encoded by this gene is a member of the family of voltage-gated chloride channels. Chloride channels have several functions, including the regulation of cell volume, membrane potential stabilization, signal transduction and transepithelial transport. This gene is expressed predominantly in the kidney and may be important for renal salt reabsorption. Mutations in this gene are associated with autosomal recessive Bartter syndrome type 3 (BS3). Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Sep 2009]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -21 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.54).
BP6
Variant 1-16051720-C-T is Benign according to our data. Variant chr1-16051720-C-T is described in ClinVar as [Benign]. Clinvar id is 585700.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr1-16051720-C-T is described in Lovd as [Benign].
BP7
Synonymous conserved (PhyloP=-1.36 with no splicing effect.
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.213 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CLCNKBNM_000085.5 linkuse as main transcriptc.1308C>T p.Ile436= synonymous_variant 14/20 ENST00000375679.9
CLCNKBNM_001165945.2 linkuse as main transcriptc.801C>T p.Ile267= synonymous_variant 7/13

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CLCNKBENST00000375679.9 linkuse as main transcriptc.1308C>T p.Ile436= synonymous_variant 14/201 NM_000085.5 P4P51801-1

Frequencies

GnomAD3 genomes
AF:
0.132
AC:
20093
AN:
151888
Hom.:
1683
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.216
Gnomad AMI
AF:
0.0560
Gnomad AMR
AF:
0.0749
Gnomad ASJ
AF:
0.0565
Gnomad EAS
AF:
0.0114
Gnomad SAS
AF:
0.0442
Gnomad FIN
AF:
0.121
Gnomad MID
AF:
0.114
Gnomad NFE
AF:
0.117
Gnomad OTH
AF:
0.118
GnomAD3 exomes
AF:
0.0961
AC:
24121
AN:
251022
Hom.:
1539
AF XY:
0.0936
AC XY:
12706
AN XY:
135714
show subpopulations
Gnomad AFR exome
AF:
0.217
Gnomad AMR exome
AF:
0.0481
Gnomad ASJ exome
AF:
0.0506
Gnomad EAS exome
AF:
0.0106
Gnomad SAS exome
AF:
0.0488
Gnomad FIN exome
AF:
0.129
Gnomad NFE exome
AF:
0.118
Gnomad OTH exome
AF:
0.0967
GnomAD4 exome
AF:
0.111
AC:
162677
AN:
1460090
Hom.:
10078
Cov.:
33
AF XY:
0.109
AC XY:
79090
AN XY:
726456
show subpopulations
Gnomad4 AFR exome
AF:
0.220
Gnomad4 AMR exome
AF:
0.0522
Gnomad4 ASJ exome
AF:
0.0531
Gnomad4 EAS exome
AF:
0.0139
Gnomad4 SAS exome
AF:
0.0488
Gnomad4 FIN exome
AF:
0.126
Gnomad4 NFE exome
AF:
0.120
Gnomad4 OTH exome
AF:
0.106
GnomAD4 genome
AF:
0.133
AC:
20150
AN:
152006
Hom.:
1699
Cov.:
32
AF XY:
0.128
AC XY:
9546
AN XY:
74306
show subpopulations
Gnomad4 AFR
AF:
0.217
Gnomad4 AMR
AF:
0.0748
Gnomad4 ASJ
AF:
0.0565
Gnomad4 EAS
AF:
0.0116
Gnomad4 SAS
AF:
0.0440
Gnomad4 FIN
AF:
0.121
Gnomad4 NFE
AF:
0.117
Gnomad4 OTH
AF:
0.117
Alfa
AF:
0.113
Hom.:
2041
Bravo
AF:
0.132
Asia WGS
AF:
0.0540
AC:
190
AN:
3478
EpiCase
AF:
0.108
EpiControl
AF:
0.107

ClinVar

Significance: Benign
Submissions summary: Benign:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:3
Benign, criteria provided, single submitterclinical testingInvitaeJan 31, 2024- -
Benign, criteria provided, single submitterclinical testingAthena DiagnosticsAug 21, 2017- -
Benign, criteria provided, single submitterclinical testingGeneDxNov 26, 2019- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.54
CADD
Benign
1.6
DANN
Benign
0.77

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.070
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.

Other links and lift over

dbSNP: rs5252; hg19: chr1-16378215; API