chr1-196273473-A-G
Variant summary
Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate
The ENST00000609185.5(KCNT2):c.2704T>C(p.Ser902Pro) variant causes a missense change. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).
Frequency
Genomes: not found (cov: 32)
Consequence
KCNT2
ENST00000609185.5 missense
ENST00000609185.5 missense
Scores
1
2
6
Clinical Significance
Conservation
PhyloP100: 4.06
Genes affected
KCNT2 (HGNC:18866): (potassium sodium-activated channel subfamily T member 2) Enables chloride-activated potassium channel activity. Involved in potassium ion export across plasma membrane. Located in plasma membrane. Implicated in developmental and epileptic encephalopathy 57. [provided by Alliance of Genome Resources, Apr 2022]
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ACMG classification
Classification made for transcript
Verdict is Uncertain_significance. Variant got 0 ACMG points.
PM2
?
Very rare variant in population databases, with high coverage;
BP4
?
Computational evidence support a benign effect (MetaRNN=0.18267348).
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
KCNT2 | NM_198503.5 | c.2910+7387T>C | intron_variant | ENST00000294725.14 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
KCNT2 | ENST00000294725.14 | c.2910+7387T>C | intron_variant | 1 | NM_198503.5 | P4 |
Frequencies
GnomAD3 genomes ? Cov.: 32
GnomAD3 genomes
?
Cov.:
32
GnomAD4 exome Cov.: 28
GnomAD4 exome
Cov.:
28
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
not provided Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | CeGaT Center for Human Genetics Tuebingen | Nov 01, 2022 | KCNT2: PM2, PP2 - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Uncertain
T
BayesDel_noAF
Benign
Cadd
Benign
Dann
Benign
FATHMM_MKL
Uncertain
D
LIST_S2
Benign
T
M_CAP
Pathogenic
D
MetaRNN
Benign
T
MutationTaster
Benign
D;D;D;D
Sift4G
Benign
T
Polyphen
B
Vest4
MVP
GERP RS
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