rs11692675
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Variant summary
Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_StrongBA1
The NM_001165963.4(SCN1A):c.264+3440A>G variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.282 in 152,066 control chromosomes in the GnomAD database, including 6,373 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.
Frequency
Genomes: 𝑓 0.28 ( 6373 hom., cov: 32)
Consequence
SCN1A
NM_001165963.4 intron
NM_001165963.4 intron
Scores
2
Clinical Significance
Not reported in ClinVar
Conservation
PhyloP100: -0.600
Genes affected
SCN1A (HGNC:10585): (sodium voltage-gated channel alpha subunit 1) Voltage-dependent sodium channels are heteromeric complexes that regulate sodium exchange between intracellular and extracellular spaces and are essential for the generation and propagation of action potentials in muscle cells and neurons. Each sodium channel is composed of a large pore-forming, glycosylated alpha subunit and two smaller beta subunits. This gene encodes a sodium channel alpha subunit, which has four homologous domains, each of which contains six transmembrane regions. Allelic variants of this gene are associated with generalized epilepsy with febrile seizures and epileptic encephalopathy. Alternative splicing results in multiple transcript variants. The RefSeq Project has decided to create four representative RefSeq records. Three of the transcript variants are supported by experimental evidence and the fourth contains alternate 5' untranslated exons, the exact combination of which have not been experimentally confirmed for the full-length transcript. [provided by RefSeq, Oct 2015]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -12 ACMG points.
BP4
?
Computational evidence support a benign effect (BayesDel_noAF=-0.87).
BA1
?
GnomAd4 highest subpopulation (NFE) allele frequency at 95% confidence interval = 0.333 is higher than 0.05.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
SCN1A | NM_001165963.4 | c.264+3440A>G | intron_variant | ENST00000674923.1 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
SCN1A | ENST00000674923.1 | c.264+3440A>G | intron_variant | NM_001165963.4 | P4 | ||||
SCN1A-AS1 | ENST00000651574.1 | n.488-5370T>C | intron_variant, non_coding_transcript_variant |
Frequencies
GnomAD3 genomes ? AF: 0.282 AC: 42820AN: 151950Hom.: 6374 Cov.: 32
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We have no GnomAD4 exomes data on this position. Probably position not covered by the project.
GnomAD4 genome ? AF: 0.282 AC: 42828AN: 152066Hom.: 6373 Cov.: 32 AF XY: 0.279 AC XY: 20713AN XY: 74308
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791
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3478
ClinVar
Not reported inComputational scores
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Name
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Prediction
BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at