Genetic Variant KCNJ5:c.-296_-295insGAGAGAGAGAGAGAGAGAGAGA (chr11-128891435-C-CAGAGAGAGAGAGAGAGAGAGAG) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

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

The NM_000890.5(KCNJ5):c.-296_-295insGAGAGAGAGAGAGAGAGAGAGA variant causes a 5 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000118 in 84,764 control chromosomes in the GnomAD database, with no homozygous occurrence. It is difficult to determine the true allele frequency of this variant because it is of type INS_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 0.000012 ( 0 hom., cov: 26)

Consequence

KCNJ5
NM_000890.5 5_prime_UTR

Scores

Not classified

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.342

Publications

0 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: Uncertain_significance. The variant received 0 ACMG points.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
KCNJ5	NM_000890.5 link	c.-296_-295insGAGAGAGAGAGAGAGAGAGAGA		5_prime_UTR_variant	Exon 1 of 3	ENST00000529694.6	NP_000881.3	P48544A0A5J6E2W8
KCNJ5	NM_001354169.2 link	c.-385_-384insGAGAGAGAGAGAGAGAGAGAGA		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.-296_-295insGAGAGAGAGAGAGAGAGAGAGA	5_prime_UTR_variant	Exon 1 of 3	1	NM_000890.5	ENSP00000433295.1	P48544
KCNJ5-AS1	ENST00000730925.1 link	n.314+12995_314+12996insCTCTCTCTCTCTCTCTCTCTCT	intron_variant	Intron 2 of 2
KCNJ5-AS1	ENST00000730926.1 link	n.285+12995_285+12996insCTCTCTCTCTCTCTCTCTCTCT	intron_variant	Intron 2 of 2
KCNJ5	ENST00000338350.4 link	c.-386_-385insAGAGAGAGAGAGAGAGAGAGAG	upstream_gene_variant		1		ENSP00000339960.4	P48544

Frequencies

GnomAD3 genomes

AF:

0.0000118

AC:

AN:

84712

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000504

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

AF:

0.0000118

AC:

AN:

84764

Hom.:

Cov.:

AF XY:

0.0000250

AC XY:

AN XY:

40036

show subpopulations

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.00

AC:

AN:

19348

American (AMR)

AF:

0.00

AC:

AN:

8928

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

2140

East Asian (EAS)

AF:

0.00

AC:

AN:

2402

South Asian (SAS)

AF:

0.000507

AC:

AN:

1974

European-Finnish (FIN)

AF:

0.00

AC:

AN:

5008

Middle Eastern (MID)

AF:

0.00

AC:

AN:

150

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

43286

Other (OTH)

AF:

0.00

AC:

AN:

1072

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0.000000), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.225

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

PhyloP100

-0.34

Splicing

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

Publications

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chr11-128891435-C-CAGAGAGAGAGAGAGAGAGAGAG

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