rs751675273
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Variant summary
Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP4_StrongBP6_Moderate
The NM_000334.4(SCN4A):c.2208C>T(p.Asp736=) variant causes a synonymous change. The variant allele was found at a frequency of 0.00000372 in 1,614,022 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 Likely benign (★).
Frequency
Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000034 ( 0 hom. )
Consequence
SCN4A
NM_000334.4 synonymous
NM_000334.4 synonymous
Scores
2
Clinical Significance
Conservation
PhyloP100: 5.03
Genes affected
SCN4A (HGNC:10591): (sodium voltage-gated channel alpha subunit 4) Voltage-gated sodium channels are transmembrane glycoprotein complexes composed of a large alpha subunit with 24 transmembrane domains and one or more regulatory beta subunits. They are responsible for the generation and propagation of action potentials in neurons and muscle. This gene encodes one member of the sodium channel alpha subunit gene family. It is expressed in skeletal muscle, and mutations in this gene have been linked to several myotonia and periodic paralysis disorders. [provided by RefSeq, Jul 2008]
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ACMG classification
Classification made for transcript
Verdict is Likely_benign. Variant got -6 ACMG points.
BP4
?
Computational evidence support a benign effect (BayesDel_noAF=-0.56).
BP6
?
Variant 17-63957330-G-A is Benign according to our data. Variant chr17-63957330-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 543828.Status of the report is criteria_provided_single_submitter, 1 stars.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
SCN4A | NM_000334.4 | c.2208C>T | p.Asp736= | synonymous_variant | 13/24 | ENST00000435607.3 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
SCN4A | ENST00000435607.3 | c.2208C>T | p.Asp736= | synonymous_variant | 13/24 | 1 | NM_000334.4 | P1 |
Frequencies
GnomAD3 genomes ? AF: 0.00000657 AC: 1AN: 152224Hom.: 0 Cov.: 32
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GnomAD3 exomes AF: 0.0000120 AC: 3AN: 251016Hom.: 0 AF XY: 0.0000221 AC XY: 3AN XY: 135750
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GnomAD4 exome AF: 0.00000342 AC: 5AN: 1461798Hom.: 0 Cov.: 32 AF XY: 0.00000550 AC XY: 4AN XY: 727184
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GnomAD4 genome ? AF: 0.00000657 AC: 1AN: 152224Hom.: 0 Cov.: 32 AF XY: 0.0000134 AC XY: 1AN XY: 74358
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ClinVar
Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
Hyperkalemic periodic paralysis Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Invitae | Oct 13, 2022 | - - |
Computational scores
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BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
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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