chr2-200490444-G-T

Variant summary

Our verdict is Likely benign. Variant got -5 ACMG points: 2P and 7B. PM2BP4_StrongBP6_ModerateBP7

The NM_152387.4(KCTD18):​c.937C>A​(p.Arg313Arg) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000502 in 1,614,026 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 (★).

Frequency

Genomes: 𝑓 0.000059 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000049 ( 0 hom. )

Consequence

KCTD18
NM_152387.4 synonymous

Scores

2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.610
Variant links:
Genes affected
KCTD18 (HGNC:26446): (potassium channel tetramerization domain containing 18) Predicted to be involved in protein homooligomerization. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -5 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.82).
BP6
Variant 2-200490444-G-T is Benign according to our data. Variant chr2-200490444-G-T is described in ClinVar as [Likely_benign]. Clinvar id is 2651809.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
Synonymous conserved (PhyloP=-0.61 with no splicing effect.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
KCTD18NM_152387.4 linkuse as main transcriptc.937C>A p.Arg313Arg synonymous_variant 7/7 ENST00000359878.8 NP_689600.2 Q6PI47-1
KCTD18NM_001321547.2 linkuse as main transcriptc.937C>A p.Arg313Arg synonymous_variant 7/7 NP_001308476.1 Q6PI47-1A8K4A2
KCTD18NM_001321548.2 linkuse as main transcriptc.310C>A p.Arg104Arg synonymous_variant 7/7 NP_001308477.1
KCTD18NM_001321550.2 linkuse as main transcriptc.310C>A p.Arg104Arg synonymous_variant 7/7 NP_001308479.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
KCTD18ENST00000359878.8 linkuse as main transcriptc.937C>A p.Arg313Arg synonymous_variant 7/71 NM_152387.4 ENSP00000352941.3 Q6PI47-1
KCTD18ENST00000409157.5 linkuse as main transcriptc.937C>A p.Arg313Arg synonymous_variant 7/71 ENSP00000386751.1 Q6PI47-1

Frequencies

GnomAD3 genomes
AF:
0.0000526
AC:
8
AN:
152182
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000483
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000262
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00316
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000478
AC:
12
AN:
251148
Hom.:
0
AF XY:
0.0000515
AC XY:
7
AN XY:
135812
show subpopulations
Gnomad AFR exome
AF:
0.0000617
Gnomad AMR exome
AF:
0.0000578
Gnomad ASJ exome
AF:
0.0000992
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000704
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000493
AC:
72
AN:
1461726
Hom.:
0
Cov.:
33
AF XY:
0.0000509
AC XY:
37
AN XY:
727178
show subpopulations
Gnomad4 AFR exome
AF:
0.000388
Gnomad4 AMR exome
AF:
0.0000671
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000378
Gnomad4 OTH exome
AF:
0.000199
GnomAD4 genome
AF:
0.0000591
AC:
9
AN:
152300
Hom.:
0
Cov.:
33
AF XY:
0.0000537
AC XY:
4
AN XY:
74488
show subpopulations
Gnomad4 AFR
AF:
0.0000722
Gnomad4 AMR
AF:
0.000261
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000580
Hom.:
0
Bravo
AF:
0.0000567
Asia WGS
AF:
0.000577
AC:
2
AN:
3478
EpiCase
AF:
0.000273
EpiControl
AF:
0.0000593

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 testingCeGaT Center for Human Genetics TuebingenFeb 01, 2023KCTD18: BP4, BP7 -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.82
CADD
Benign
0.95
DANN
Benign
0.34

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: rs185813104; hg19: chr2-201355167; API