rs1334180362
Variant summary
Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PP3_Moderate
The NM_006514.4(SCN10A):c.3667T>C(p.Phe1223Leu) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000031 in 1,614,060 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).
Frequency
Consequence
NM_006514.4 missense
Scores
Clinical Significance
Conservation
Publications
- sodium channelopathy-related small fiber neuropathyInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
- episodic pain syndrome, familial, 2Inheritance: AD Classification: LIMITED, NO_KNOWN Submitted by: Labcorp Genetics (formerly Invitae), Illumina, Ambry Genetics
- Brugada syndromeInheritance: Unknown Classification: LIMITED Submitted by: Genomics England PanelApp
- Brugada syndrome 1Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen
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ACMG classification
Our verdict: Uncertain_significance. The variant received 4 ACMG points.
Transcripts
RefSeq
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|
| SCN10A | NM_006514.4 | c.3667T>C | p.Phe1223Leu | missense_variant | Exon 21 of 28 | ENST00000449082.3 | NP_006505.4 |
Ensembl
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | TSL | MANE | Protein | Appris | UniProt |
|---|---|---|---|---|---|---|---|---|---|---|
| SCN10A | ENST00000449082.3 | c.3667T>C | p.Phe1223Leu | missense_variant | Exon 21 of 28 | 1 | NM_006514.4 | ENSP00000390600.2 | ||
| SCN10A | ENST00000643924.1 | c.3664T>C | p.Phe1222Leu | missense_variant | Exon 20 of 27 | ENSP00000495595.1 | ||||
| SCN10A | ENST00000655275.1 | c.3691T>C | p.Phe1231Leu | missense_variant | Exon 21 of 28 | ENSP00000499510.1 |
Frequencies
GnomAD3 genomes AF: 0.0000131 AC: 2AN: 152226Hom.: 0 Cov.: 33 show subpopulations
GnomAD4 exome AF: 0.00000205 AC: 3AN: 1461834Hom.: 0 Cov.: 31 AF XY: 0.00000138 AC XY: 1AN XY: 727220 show subpopulations
GnomAD4 genome AF: 0.0000131 AC: 2AN: 152226Hom.: 0 Cov.: 33 AF XY: 0.0000134 AC XY: 1AN XY: 74372 show subpopulations
Age Distribution
ClinVar
Submissions by phenotype
Brugada syndrome Uncertain:1
This sequence change replaces phenylalanine with leucine at codon 1223 of the SCN10A protein (p.Phe1223Leu). The phenylalanine residue is highly conserved and there is a small physicochemical difference between phenylalanine and leucine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals with SCN10A-related disease. 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: "Probably Damaging"; Align-GVGD: "Class C0"). 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. -
Cardiovascular phenotype Uncertain:1
The p.F1223L variant (also known as c.3667T>C), located in coding exon 20 of the SCN10A gene, results from a T to C substitution at nucleotide position 3667. The phenylalanine at codon 1223 is replaced by leucine, an amino acid with highly similar properties. This amino acid position is conserved. In addition, this alteration is predicted to be deleterious by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear. -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at