ClinVar Miner

Submissions for variant NM_001165963.4(SCN1A):c.5995C>T (p.Gln1999Ter)

gnomAD frequency: 0.00001  dbSNP: rs933130550
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Ambry Genetics RCV002315354 SCV000849160 uncertain significance Inborn genetic diseases 2017-02-27 criteria provided, single submitter clinical testing The p.Q1999* variant (also known as c.5995C>T), located in coding exon 26 of the SCN1A gene, results from a C to T substitution at nucleotide position 5995. This changes the amino acid from a glutamine to a stop codon within coding exon 26. Premature stop codons are typically deleterious in nature, however, this stop codon occurs at the 3' terminus and is not expected to trigger nonsense-mediated mRNA decay. This alteration impacts only the last 11 amino acids of the protein. The exact functional impact of these removed amino acids is unknown at this time. This variant did not co-segregate with disease in one individual tested in our laboratory. Based on the evidence at this time, the clinical significance of this alteration remains unclear.

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