Genetic Variant KCNK10:p.Arg378Leu (chr14-88186034-C-A) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_138317.3(KCNK10):c.1133G>T(p.Arg378Leu) variant causes a missense change. The variant allele was found at a frequency of 0.0000131 in 152,190 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R378C) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)

Consequence

KCNK10
NM_138317.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 6.13

Publications

6 publications found

Variant links:

Genes affected

KCNK10 (HGNC:6273): (potassium two pore domain channel subfamily K member 10) The protein encoded by this gene belongs to the family of potassium channel proteins containing two pore-forming P domains. This channel is an open rectifier which primarily passes outward current under physiological K+ concentrations, and is stimulated strongly by arachidonic acid and to a lesser degree by membrane stretching, intracellular acidification, and general anaesthetics. Several alternatively spliced transcript variants encoding different isoforms have been identified for this gene. [provided by RefSeq, Sep 2008]

KCNK10 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.783

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_138317.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
KCNK10	NM_138317.3	MANE Select	c.1133G>T	p.Arg378Leu	missense	Exon 7 of 7	NP_612190.1	P57789-3
KCNK10	NM_138318.3		c.1133G>T	p.Arg378Leu	missense	Exon 7 of 7	NP_612191.1	P57789-4
KCNK10	NM_021161.5		c.1118G>T	p.Arg373Leu	missense	Exon 7 of 7	NP_066984.1	P57789-1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
KCNK10	ENST00000319231.10	TSL:1 MANE Select	c.1133G>T	p.Arg378Leu	missense	Exon 7 of 7	ENSP00000312811.5	P57789-3
KCNK10	ENST00000312350.9	TSL:1	c.1133G>T	p.Arg378Leu	missense	Exon 7 of 7	ENSP00000310568.5	P57789-4
KCNK10	ENST00000340700.9	TSL:1	c.1118G>T	p.Arg373Leu	missense	Exon 7 of 7	ENSP00000343104.5	P57789-1

Frequencies

GnomAD3 genomes

AF:

0.0000131

AC:

AN:

152190

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

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:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.00

AC:

AN:

248188

AF XY:

0.00

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:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

AF:

0.0000131

AC:

AN:

152190

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74338

show subpopulations

African (AFR)

AF:

0.0000241

AC:

AN:

41452

American (AMR)

AF:

0.00

AC:

AN:

15286

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5178

South Asian (SAS)

AF:

0.00

AC:

AN:

4826

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10624

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68032

Other (OTH)

AF:

0.00

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.93

BayesDel_addAF

Pathogenic

0.29

BayesDel_noAF

Pathogenic

0.17

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.13

Eigen

Pathogenic

0.72

Eigen_PC

Pathogenic

0.76

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Uncertain

0.97

M_CAP

Pathogenic

0.49

MetaRNN

Pathogenic

0.78

MetaSVM

Pathogenic

0.80

MutationAssessor

Benign

1.9

PhyloP100

6.1

PrimateAI

Pathogenic

0.87

PROVEAN

Benign

-1.5

REVEL

Pathogenic

0.71

Sift

Uncertain

0.0010

Sift4G

Uncertain

0.0080

Polyphen

0.98

Vest4

0.61

MutPred

0.44

Gain of catalytic residue at R377 (P = 0.0254)

MVP

0.98

MPC

1.3

ClinPred

0.98

GERP RS

6.0

Varity_R

0.29

gMVP

0.90

Mutation Taster

=54/46

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over