Genetic Variant KCNJ5:c.-309_-290delCACACACACACACACACACA (chr11-128891397-GACACACACACACACACACAC-G) – ACMG Classification: Benign (-8 pts)

Variant summary

Our verdict is Benign. The variant received -8 ACMG points: 0P and 8B. BS1BS2

The NM_000890.5(KCNJ5):c.-309_-290delCACACACACACACACACACA variant causes a 5 prime UTR change involving the alteration of a non-conserved nucleotide. It is difficult to determine the true allele frequency of this variant because it is of type DEL_BIG, and the frequency of such variant types in population databases may be underestimated and unreliable. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.0021 ( 2 hom., cov: 0)

Exomes 𝑓: 0.0 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

KCNJ5
NM_000890.5 5_prime_UTR

Scores

Not classified

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.197

Publications

2 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 links:

KCNJ5-AS1 (HGNC:28584): (KCNJ5 antisense RNA 1) Predicted to be located in extracellular region. [provided by Alliance of Genome Resources, Apr 2022]

KCNJ5-AS1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -8 ACMG points.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00209 (177/84746) while in subpopulation AFR AF = 0.00784 (150/19134). AF 95% confidence interval is 0.00682. There are 2 homozygotes in GnomAd4. There are 67 alleles in the male GnomAd4 subpopulation. Median coverage is 0. This position passed quality control check.

BS2

High AC in GnomAd4 at 177 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
KCNJ5	NM_000890.5 link	c.-309_-290delCACACACACACACACACACA		5_prime_UTR_variant	Exon 1 of 3	ENST00000529694.6	NP_000881.3	P48544A0A5J6E2W8
KCNJ5	NM_001354169.2 link	c.-398_-379delCACACACACACACACACACA		5_prime_UTR_variant	Exon 1 of 4		NP_001341098.1

Ensembl

Gene	Transcript	HGVSc	Effect	Exon rank	TSL	MANE	Protein	UniProt
KCNJ5	ENST00000529694.6 link	c.-309_-290delCACACACACACACACACACA	5_prime_UTR_variant	Exon 1 of 3	1	NM_000890.5	ENSP00000433295.1	P48544
KCNJ5-AS1	ENST00000730925.1 link	n.314+13014_314+13033delGTGTGTGTGTGTGTGTGTGT	intron_variant	Intron 2 of 2
KCNJ5-AS1	ENST00000730926.1 link	n.285+13014_285+13033delGTGTGTGTGTGTGTGTGTGT	intron_variant	Intron 2 of 2
KCNJ5	ENST00000338350.4 link	c.-423_-404delACACACACACACACACACAC	upstream_gene_variant		1		ENSP00000339960.4	P48544

Frequencies

GnomAD3 genomes

AF:

0.00209

AC:

177

AN:

84742

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00786

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00105

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000367

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.000296

Gnomad MID

AF:

0.0169

Gnomad NFE

AF:

0.000305

Gnomad OTH

AF:

0.000929

GnomAD4 exome

Data not reliable, filtered out with message: AC0

AF:

0.00

AC:

AN:

1044

Hom.:

AF XY:

0.00

AC XY:

AN XY:

794

African (AFR)

AF:

0.00

AC:

AN:

American (AMR)

AF:

0.00

AC:

AN:

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

East Asian (EAS)

AF:

0.00

AC:

AN:

South Asian (SAS)

AF:

0.00

AC:

AN:

European-Finnish (FIN)

AF:

0.00

AC:

AN:

Middle Eastern (MID)

AF:

0.00

AC:

AN:

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

872

Other (OTH)

AF:

0.00

AC:

AN:

GnomAD4 genome

AF:

0.00209

AC:

177

AN:

84746

Hom.:

Cov.:

AF XY:

0.00173

AC XY:

AN XY:

38664

show subpopulations

African (AFR)

AF:

0.00784

AC:

150

AN:

19134

American (AMR)

AF:

0.00105

AC:

AN:

7596

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

2344

East Asian (EAS)

AF:

0.000370

AC:

AN:

2706

South Asian (SAS)

AF:

0.00

AC:

AN:

1958

European-Finnish (FIN)

AF:

0.000296

AC:

AN:

3384

Middle Eastern (MID)

AF:

0.0175

AC:

AN:

114

European-Non Finnish (NFE)

AF:

0.000305

AC:

AN:

45896

Other (OTH)

AF:

0.000924

AC:

AN:

1082

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.503

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

PhyloP100

0.20

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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11-128891397-GACACACACACACACACACACACACACACACACAC-GACACACACACACAC

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