rs770408379

Variant summary

Our verdict is Benign. Variant got -10 ACMG points: 0P and 10B. BP4_StrongBP6BP7BS1

The NM_000525.4(KCNJ11):​c.1017G>T​(p.Val339Val) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000403 in 1,614,086 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 Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.00016 ( 0 hom., cov: 34)
Exomes 𝑓: 0.000027 ( 0 hom. )

Consequence

KCNJ11
NM_000525.4 synonymous

Scores

2

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:3

Conservation

PhyloP100: 0.614
Variant links:
Genes affected
KCNJ11 (HGNC:6257): (potassium inwardly rectifying channel subfamily J member 11) Potassium channels are present in most mammalian cells, where they participate in a wide range of physiologic responses. The protein encoded by this gene is an integral membrane protein and inward-rectifier type potassium channel. The encoded protein, which has a greater tendency to allow potassium to flow into a cell rather than out of a cell, is controlled by G-proteins and is found associated with the sulfonylurea receptor SUR. Mutations in this gene are a cause of familial persistent hyperinsulinemic hypoglycemia of infancy (PHHI), an autosomal recessive disorder characterized by unregulated insulin secretion. Defects in this gene may also contribute to autosomal dominant non-insulin-dependent diabetes mellitus type II (NIDDM), transient neonatal diabetes mellitus type 3 (TNDM3), and permanent neonatal diabetes mellitus (PNDM). Multiple alternatively spliced transcript variants that encode different protein isoforms have been described for this gene. [provided by RefSeq, Oct 2009]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -10 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.58).
BP6
Variant 11-17387075-C-A is Benign according to our data. Variant chr11-17387075-C-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 211219.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=3, Uncertain_significance=1}.
BP7
Synonymous conserved (PhyloP=0.614 with no splicing effect.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.000164 (25/152206) while in subpopulation AFR AF= 0.000603 (25/41466). AF 95% confidence interval is 0.000419. There are 0 homozygotes in gnomad4. There are 13 alleles in male gnomad4 subpopulation. Median coverage is 34. This position pass quality control queck.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
KCNJ11NM_000525.4 linkc.1017G>T p.Val339Val synonymous_variant Exon 1 of 1 ENST00000339994.5 NP_000516.3 Q14654-1B2RC52
KCNJ11NM_001166290.2 linkc.756G>T p.Val252Val synonymous_variant Exon 2 of 2 NP_001159762.1 Q14654-2A0A804HHV7
KCNJ11NM_001377296.1 linkc.756G>T p.Val252Val synonymous_variant Exon 3 of 3 NP_001364225.1
KCNJ11NM_001377297.1 linkc.756G>T p.Val252Val synonymous_variant Exon 2 of 2 NP_001364226.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
KCNJ11ENST00000339994.5 linkc.1017G>T p.Val339Val synonymous_variant Exon 1 of 1 6 NM_000525.4 ENSP00000345708.4 Q14654-1
KCNJ11ENST00000528731.1 linkc.756G>T p.Val252Val synonymous_variant Exon 2 of 2 1 ENSP00000434755.1 Q14654-2
KCNJ11ENST00000682350.1 linkc.756G>T p.Val252Val synonymous_variant Exon 2 of 2 ENSP00000508090.1 Q14654-2A0A804HHV7
KCNJ11ENST00000682764.1 linkc.756G>T p.Val252Val synonymous_variant Exon 2 of 3 ENSP00000506780.1 Q14654-2A0A804HHV7

Frequencies

GnomAD3 genomes
AF:
0.000164
AC:
25
AN:
152206
Hom.:
0
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.000603
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000199
AC:
5
AN:
251476
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135920
show subpopulations
Gnomad AFR exome
AF:
0.000308
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS 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:
0.0000274
AC:
40
AN:
1461880
Hom.:
0
Cov.:
32
AF XY:
0.0000289
AC XY:
21
AN XY:
727240
show subpopulations
Gnomad4 AFR exome
AF:
0.000866
Gnomad4 AMR exome
AF:
0.00
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:
0.00000270
Gnomad4 OTH exome
AF:
0.000132
GnomAD4 genome
AF:
0.000164
AC:
25
AN:
152206
Hom.:
0
Cov.:
34
AF XY:
0.000175
AC XY:
13
AN XY:
74364
show subpopulations
Gnomad4 AFR
AF:
0.000603
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000102
Hom.:
0
Bravo
AF:
0.000159

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:1Benign:3
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not specified Uncertain:1Benign:1
Sep 26, 2023
Women's Health and Genetics/Laboratory Corporation of America, LabCorp
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Feb 18, 2015
Genetic Services Laboratory, University of Chicago
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

not provided Benign:2
Sep 22, 2023
ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Jan 29, 2024
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.58
CADD
Benign
7.5
DANN
Benign
0.89

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: rs770408379; hg19: chr11-17408622; API