11-128911889-G-C

Variant names:

Variant summary

Our verdict is Likely pathogenic. The variant received 6 ACMG points: 6P and 0B. PM2PP3_Strong

The NM_000890.5(KCNJ5):c.616G>C(p.Ala206Pro) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000000686 in 1,457,664 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. A206T) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

KCNJ5
NM_000890.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 10.0

Publications

4 publications found

Variant links:

Genes affected

KCNJ5 (HGNC:6266): (potassium inwardly rectifying channel subfamily J member 5) This gene encodes an integral membrane protein which belongs to one of seven subfamilies of inward-rectifier potassium channel proteins called potassium channel subfamily J. The encoded protein is a subunit of the potassium channel which is homotetrameric. It is controlled by G-proteins and has a greater tendency to allow potassium to flow into a cell rather than out of a cell. Naturally occurring mutations in this gene are associated with aldosterone-producing adenomas. [provided by RefSeq, Aug 2017]

KCNJ5 Gene-Disease associations (from GenCC):

familial hyperaldosteronism type III
Inheritance: AD Classification: STRONG, MODERATE, SUPPORTIVE Submitted by: Ambry Genetics, Orphanet, Labcorp Genetics (formerly Invitae)
Andersen-Tawil syndrome
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
long QT syndrome 13
Inheritance: AD Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics
long QT syndrome
Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen

KCNJ5 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_pathogenic. The variant received 6 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.992

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein
KCNJ5	NM_000890.5 link	c.616G>C	p.Ala206Pro	missense_variant	Exon 2 of 3	ENST00000529694.6	NP_000881.3
KCNJ5	NM_001354169.2 link	c.616G>C	p.Ala206Pro	missense_variant	Exon 3 of 4		NP_001341098.1
KCNJ5	XM_011542810.4 link	c.616G>C	p.Ala206Pro	missense_variant	Exon 2 of 3		XP_011541112.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein
KCNJ5	ENST00000529694.6 link	c.616G>C	p.Ala206Pro	missense_variant	Exon 2 of 3	1	NM_000890.5	ENSP00000433295.1
KCNJ5	ENST00000338350.4 link	c.616G>C	p.Ala206Pro	missense_variant	Exon 3 of 4	1		ENSP00000339960.4
KCNJ5	ENST00000533599.1 link	c.616G>C	p.Ala206Pro	missense_variant	Exon 1 of 2	1		ENSP00000434266.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000399

AC:

AN:

250780

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000290

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

AF:

6.86e-7

AC:

AN:

1457664

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

724198

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33350

American (AMR)

AF:

0.0000224

AC:

AN:

44594

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26038

East Asian (EAS)

AF:

0.00

AC:

AN:

39578

South Asian (SAS)

AF:

0.00

AC:

AN:

86112

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53360

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5754

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1108676

Other (OTH)

AF:

0.00

AC:

AN:

60202

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

Age Distribution

Exome Het

Variant carriers

<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

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

1.0

BayesDel_addAF

Pathogenic

0.47

BayesDel_noAF

Pathogenic

0.53

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Pathogenic

0.97

D;D;D

Eigen

Pathogenic

1.1

Eigen_PC

Pathogenic

0.98

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Pathogenic

0.99

.;.;D

M_CAP

Pathogenic

0.66

MetaRNN

Pathogenic

0.99

D;D;D

MetaSVM

Pathogenic

1.1

MutationAssessor

Pathogenic

4.1

H;H;H

PhyloP100

PrimateAI

Uncertain

0.78

PROVEAN

Uncertain

-4.4

D;D;D

REVEL

Pathogenic

0.96

Sift

Uncertain

0.0010

D;D;D

Sift4G

Uncertain

0.0020

D;D;D

Polyphen

1.0

D;D;D

Vest4

0.96

MutPred

0.96

Loss of stability (P = 0.0687);Loss of stability (P = 0.0687);Loss of stability (P = 0.0687);

MVP

0.94

MPC

1.4

ClinPred

1.0

GERP RS

5.5

Varity_R

0.92

gMVP

0.99

Mutation Taster

=2/98

disease causing

(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

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over