ClinVar Miner

Submissions for variant NM_000335.4(SCN5A):c.869C>A (p.Thr290Asn) (rs1559778505)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories RCV000756619 SCV000884487 uncertain significance not provided 2018-02-09 criteria provided, single submitter clinical testing The p.Thr290Asn variant has not been reported in the medical literature, gene specific variation databases, nor has it been previously identified by our laboratory. Nearby missense variants (p.G289S and p.G292S) however, have been reported in isolated cases with sudden cardiac death (Hata 2017, and Niimura 2004). This variant is absent from general population databases such as 1000 Genomes, NHLBI GO Exome Sequencing Project (ESP), and the Genome Aggregation Database (gnomAD). The threonine at position 290 is highly conserved up to zebrafish considering 9 species and computational analyses of the effects of the p.Thr290Asn variant on protein structure and function provide conflicting results (SIFT: tolerated, MutationTaster: disease causing, PolyPhen-2: probably damaging). Altogether, there is not enough evidence to classify the p.Thr290Asn variant with certainty.

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