ClinVar Miner

Submissions for variant NM_001165963.4(SCN1A):c.1518_1522del (p.Lys507fs)

dbSNP: rs796053058
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000189038 SCV000242669 pathogenic not provided 2015-01-02 criteria provided, single submitter clinical testing c.1518_1522delGAAAG: p.Lys507AlafsX9 (K507AfsX9) in exon 10 of the SCN1A gene (NM_001165963.1). The normal sequence with the bases that are deleted in braces is: AACA{GAAAG}AGCA.The c.1518_1522delGAAAG mutation in the SCN1A gene causes a frameshift starting with codon Lysine 507 changes this amino acid to an Alanine residue and creates a premature Stop codon at position 9 of the new reading frame, denoted p.Lys507AlafsX9. This mutation is predicted to cause loss of normal protein function either through protein truncation or nonsense-mediated mRNA decay. Although this mutation has not been previously reported to our knowledge, other nearby frameshift mutations have been reported in SCN1A in association with epilepsy. Therefore, the presence of c.1518_1522delGAAAG is consistent with a diagnosis of an SCN1A-related disorder. The variant is found in STAT-EPIV2-1 panel(s).

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