chr11-128911895-A-G
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Variant summary
Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2
The NM_000890.5(KCNJ5):c.622A>G(p.Ile208Val) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. Variant has been reported in ClinVar as Uncertain significance (★).
Frequency
Genomes: not found (cov: 32)
Consequence
KCNJ5
NM_000890.5 missense
NM_000890.5 missense
Scores
2
8
8
Clinical Significance
Conservation
PhyloP100: 9.32
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]
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ACMG classification
Classification made for transcript
Verdict is Uncertain_significance. Variant got 2 ACMG points.
PM2
Very rare variant in population databases, with high coverage;
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
KCNJ5 | NM_000890.5 | c.622A>G | p.Ile208Val | missense_variant | 2/3 | ENST00000529694.6 | |
KCNJ5 | NM_001354169.2 | c.622A>G | p.Ile208Val | missense_variant | 3/4 | ||
KCNJ5 | XM_011542810.4 | c.622A>G | p.Ile208Val | missense_variant | 2/3 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
KCNJ5 | ENST00000529694.6 | c.622A>G | p.Ile208Val | missense_variant | 2/3 | 1 | NM_000890.5 | P1 | |
KCNJ5 | ENST00000338350.4 | c.622A>G | p.Ile208Val | missense_variant | 3/4 | 1 | P1 | ||
KCNJ5 | ENST00000533599.1 | c.622A>G | p.Ile208Val | missense_variant | 1/2 | 1 | P1 |
Frequencies
GnomAD3 genomes Cov.: 32
GnomAD3 genomes
Cov.:
32
GnomAD4 exome Cov.: 59
GnomAD4 exome
Cov.:
59
GnomAD4 genome Cov.: 32
GnomAD4 genome
Cov.:
32
ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
Long QT syndrome Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Invitae | Dec 17, 2017 | This variant has not been reported in the literature in individuals with KCNJ5-related disease. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. Algorithms developed to predict the effect of missense changes on protein structure and function do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Benign"; Align-GVGD: "Class C25"). This variant is not present in population databases (ExAC no frequency). This sequence change replaces isoleucine with valine at codon 208 of the KCNJ5 protein (p.Ile208Val). The isoleucine residue is highly conserved and there is a small physicochemical difference between isoleucine and valine. - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
BayesDel_addAF
Pathogenic
D
BayesDel_noAF
Uncertain
CADD
Benign
DANN
Uncertain
DEOGEN2
Uncertain
D;D;D
Eigen
Benign
Eigen_PC
Uncertain
FATHMM_MKL
Pathogenic
D
M_CAP
Benign
D
MetaRNN
Uncertain
D;D;D
MetaSVM
Uncertain
D
MutationAssessor
Benign
L;L;L
MutationTaster
Benign
D;D;D
PrimateAI
Uncertain
T
PROVEAN
Benign
N;N;N
REVEL
Uncertain
Sift
Benign
T;T;T
Sift4G
Benign
T;T;T
Polyphen
B;B;B
Vest4
MutPred
Loss of sheet (P = 0.1158);Loss of sheet (P = 0.1158);Loss of sheet (P = 0.1158);
MVP
MPC
ClinPred
D
GERP RS
Varity_R
gMVP
Splicing
Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at