rs1237212288

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BP4_ModerateBP6BP7

The NM_000525.4(KCNJ11):​c.174C>T​(p.Asp58Asp) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000745 in 1,609,940 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 0.000013 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000069 ( 0 hom. )

Consequence

KCNJ11
NM_000525.4 synonymous

Scores

2

Clinical Significance

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

Conservation

PhyloP100: 1.39

Publications

1 publications found
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]
KCNJ11 Gene-Disease associations (from GenCC):
  • diabetes mellitus, transient neonatal, 3
    Inheritance: AD Classification: DEFINITIVE, STRONG, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Genomics England PanelApp, G2P
  • monogenic diabetes
    Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
  • hyperinsulinemic hypoglycemia, familial, 2
    Inheritance: AR, AD Classification: DEFINITIVE, STRONG Submitted by: Genomics England PanelApp, Myriad Women’s Health, Labcorp Genetics (formerly Invitae), G2P, Ambry Genetics
  • diabetes mellitus, noninsulin-dependent
    Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp
  • diabetes mellitus, permanent neonatal 2
    Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp
  • maturity-onset diabetes of the young type 13
    Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp, Labcorp Genetics (formerly Invitae)
  • autosomal dominant hyperinsulinism due to Kir6.2 deficiency
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • DEND syndrome
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • intermediate DEND syndrome
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • maturity-onset diabetes of the young
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • permanent neonatal diabetes mellitus
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • transient neonatal diabetes mellitus
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • autosomal recessive hyperinsulinism due to Kir6.2 deficiency
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
  • diazoxide-resistant focal hyperinsulinism due to Kir6.2 deficiency
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

BP4
Computational evidence support a benign effect (REVEL=0.104).
BP6
Variant 11-17387918-G-A is Benign according to our data. Variant chr11-17387918-G-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 1144521.
BP7
Synonymous conserved (PhyloP=1.39 with no splicing effect.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
KCNJ11NM_000525.4 linkc.174C>T p.Asp58Asp synonymous_variant Exon 1 of 1 ENST00000339994.5 NP_000516.3
KCNJ11NM_001166290.2 linkc.-16-72C>T intron_variant Intron 1 of 1 NP_001159762.1
KCNJ11NM_001377296.1 linkc.-16-72C>T intron_variant Intron 2 of 2 NP_001364225.1
KCNJ11NM_001377297.1 linkc.-16-72C>T intron_variant Intron 1 of 1 NP_001364226.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
KCNJ11ENST00000339994.5 linkc.174C>T p.Asp58Asp synonymous_variant Exon 1 of 1 6 NM_000525.4 ENSP00000345708.4

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152218
Hom.:
0
Cov.:
33
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:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.00000686
AC:
10
AN:
1457722
Hom.:
0
Cov.:
64
AF XY:
0.00000552
AC XY:
4
AN XY:
724162
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33394
American (AMR)
AF:
0.00
AC:
0
AN:
44646
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26082
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39552
South Asian (SAS)
AF:
0.0000116
AC:
1
AN:
86200
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53354
Middle Eastern (MID)
AF:
0.000174
AC:
1
AN:
5760
European-Non Finnish (NFE)
AF:
0.00000631
AC:
7
AN:
1108552
Other (OTH)
AF:
0.0000166
AC:
1
AN:
60182
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.510
Heterozygous variant carriers
0
1
2
2
3
4
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<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
AF:
0.0000131
AC:
2
AN:
152218
Hom.:
0
Cov.:
33
AF XY:
0.0000269
AC XY:
2
AN XY:
74364
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41458
American (AMR)
AF:
0.00
AC:
0
AN:
15288
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5184
South Asian (SAS)
AF:
0.000207
AC:
1
AN:
4834
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10628
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000147
AC:
1
AN:
68036
Other (OTH)
AF:
0.00
AC:
0
AN:
2092
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.525
Heterozygous variant carriers
0
1
1
2
2
3
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.00000378
EpiCase
AF:
0.0000545
EpiControl
AF:
0.00

ClinVar

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

Submissions by phenotype

Maturity onset diabetes mellitus in young Uncertain:1
-
Clinical Genomics, Uppaluri K&H Personalized Medicine Clinic
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:research

Mutations in KCNJ11 gene can cause decreased production and secretion of insulin. This can lead to MODY which may be responsive to oral sulfonylureas. It is also associated with Neonatal Diabetes. However, no sufficient evidence is found to ascertain the role of this particular variant (rs1237212288) in MODY yet. -

not provided Benign:1
May 15, 2023
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
-0.59
CADD
Benign
11
DANN
Benign
0.86
PhyloP100
1.4

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

Other links and lift over

dbSNP: rs1237212288; hg19: chr11-17409465; API