10-117201190-G-C

Variant summary

Our verdict is Benign. Variant got -11 ACMG points: 0P and 11B. BP4_StrongBP6_ModerateBP7BS2

The NM_181840.1(KCNK18):ā€‹c.255G>Cā€‹(p.Gly85Gly) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000407 in 1,614,172 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 Likely benign (ā˜…).

Frequency

Genomes: š‘“ 0.00041 ( 0 hom., cov: 33)
Exomes š‘“: 0.00041 ( 0 hom. )

Consequence

KCNK18
NM_181840.1 synonymous

Scores

2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 0.141
Variant links:
Genes affected
KCNK18 (HGNC:19439): (potassium two pore domain channel subfamily K member 18) Potassium channels play a role in many cellular processes including maintenance of the action potential, muscle contraction, hormone secretion, osmotic regulation, and ion flow. This gene encodes a member of the superfamily of potassium channel proteins containing two pore-forming P domains and the encoded protein functions as an outward rectifying potassium channel. A mutation in this gene has been found to be associated with migraine with aura.[provided by RefSeq, Jan 2011]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -11 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.85).
BP6
Variant 10-117201190-G-C is Benign according to our data. Variant chr10-117201190-G-C is described in ClinVar as [Likely_benign]. Clinvar id is 2062785.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
Synonymous conserved (PhyloP=0.141 with no splicing effect.
BS2
High AC in GnomAd4 at 62 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
KCNK18NM_181840.1 linkuse as main transcriptc.255G>C p.Gly85Gly synonymous_variant 2/3 ENST00000334549.1 NP_862823.1 Q7Z418

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
KCNK18ENST00000334549.1 linkuse as main transcriptc.255G>C p.Gly85Gly synonymous_variant 2/31 NM_181840.1 ENSP00000334650.1 Q7Z418

Frequencies

GnomAD3 genomes
AF:
0.000407
AC:
62
AN:
152192
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000131
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00113
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000691
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000501
AC:
126
AN:
251456
Hom.:
1
AF XY:
0.000464
AC XY:
63
AN XY:
135908
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000289
Gnomad ASJ exome
AF:
0.0000992
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00171
Gnomad NFE exome
AF:
0.000738
Gnomad OTH exome
AF:
0.000489
GnomAD4 exome
AF:
0.000407
AC:
595
AN:
1461862
Hom.:
0
Cov.:
32
AF XY:
0.000374
AC XY:
272
AN XY:
727238
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.0000383
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00140
Gnomad4 NFE exome
AF:
0.000442
Gnomad4 OTH exome
AF:
0.000430
GnomAD4 genome
AF:
0.000407
AC:
62
AN:
152310
Hom.:
0
Cov.:
33
AF XY:
0.000376
AC XY:
28
AN XY:
74484
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.000131
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00113
Gnomad4 NFE
AF:
0.000691
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000713
Hom.:
0
Bravo
AF:
0.000325
EpiCase
AF:
0.000382
EpiControl
AF:
0.000533

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Benign:1
Likely benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpApr 07, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.85
CADD
Benign
5.3
DANN
Benign
0.68

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs149161234; hg19: chr10-118960701; API