rs780183614
Variant summary
Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6BP7
The NM_001040142.2(SCN2A):c.1923T>C(p.Asn641=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000342 in 1,461,820 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: not found (cov: 32)
Exomes 𝑓: 0.0000034 ( 0 hom. )
Consequence
SCN2A
NM_001040142.2 synonymous
NM_001040142.2 synonymous
Scores
2
Clinical Significance
Conservation
PhyloP100: -1.48
Genes affected
SCN2A (HGNC:10588): (sodium voltage-gated channel alpha subunit 2) Voltage-gated sodium channels are transmembrane glycoprotein complexes composed of a large alpha subunit with four repeat domains, each of which is composed of six membrane-spanning segments, and one or more regulatory beta subunits. Voltage-gated sodium channels function in the generation and propagation of action potentials in neurons and muscle. This gene encodes one member of the sodium channel alpha subunit gene family. Allelic variants of this gene are associated with seizure disorders and autism spectrum disorder. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Nov 2016]
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ACMG classification
Classification made for transcript
Verdict is Likely_benign. Variant got -4 ACMG points.
PM2
?
Very rare variant in population databases, with high coverage;
BP4
?
Computational evidence support a benign effect (BayesDel_noAF=-0.81).
BP6
?
Variant 2-165323407-T-C is Benign according to our data. Variant chr2-165323407-T-C is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 374727.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=1, Uncertain_significance=1}.
BP7
?
Synonymous conserved (PhyloP=-1.48 with no splicing effect.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
SCN2A | NM_001040142.2 | c.1923T>C | p.Asn641= | synonymous_variant | 12/27 | ENST00000375437.7 | |
SCN2A | NM_001371246.1 | c.1923T>C | p.Asn641= | synonymous_variant | 12/27 | ENST00000631182.3 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
SCN2A | ENST00000375437.7 | c.1923T>C | p.Asn641= | synonymous_variant | 12/27 | 5 | NM_001040142.2 | P1 | |
SCN2A | ENST00000631182.3 | c.1923T>C | p.Asn641= | synonymous_variant | 12/27 | 5 | NM_001371246.1 |
Frequencies
GnomAD3 genomes ? Cov.: 32
GnomAD3 genomes
?
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32
GnomAD3 exomes AF: 0.0000120 AC: 3AN: 250458Hom.: 0 AF XY: 0.0000222 AC XY: 3AN XY: 135386
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GnomAD4 exome AF: 0.00000342 AC: 5AN: 1461820Hom.: 0 Cov.: 32 AF XY: 0.00000688 AC XY: 5AN XY: 727194
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GnomAD4 genome ? Cov.: 32
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ClinVar
Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:1Benign:1
Revision: criteria provided, conflicting classifications
LINK: link
Submissions by phenotype
not provided Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | CeGaT Center for Human Genetics Tuebingen | Jul 01, 2016 | - - |
Seizures, benign familial infantile, 3;C3150987:Developmental and epileptic encephalopathy, 11 Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Invitae | Dec 30, 2017 | - - |
Computational scores
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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