ClinVar Miner

Submissions for variant NM_006070.6(TFG):c.268G>A (p.Val90Ile)

gnomAD frequency: 0.00001  dbSNP: rs1468380372
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001055531 SCV001219929 uncertain significance Hereditary motor and sensory neuropathy, Okinawa type; Hereditary spastic paraplegia 57 2023-04-22 criteria provided, single submitter clinical testing 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. Variants that disrupt the consensus splice site are a relatively common cause of aberrant splicing (PMID: 17576681, 9536098). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be disruptive. ClinVar contains an entry for this variant (Variation ID: 851188). This variant has not been reported in the literature in individuals affected with TFG-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces valine, which is neutral and non-polar, with isoleucine, which is neutral and non-polar, at codon 90 of the TFG protein (p.Val90Ile). This variant also falls at the last nucleotide of exon 3, which is part of the consensus splice site for this exon.

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