ClinVar Miner

Submissions for variant NM_033028.5(BBS4):c.461C>T (p.Ala154Val)

gnomAD frequency: 0.00001  dbSNP: rs756744863
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001208743 SCV001380149 uncertain significance Bardet-Biedl syndrome 2021-08-31 criteria provided, single submitter clinical testing This sequence change replaces alanine with valine at codon 154 of the BBS4 protein (p.Ala154Val). The alanine residue is moderately conserved and there is a small physicochemical difference between alanine and valine. This variant is present in population databases (rs756744863, ExAC 0.001%). This variant has not been reported in the literature in individuals affected with BBS4-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Tolerated"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site. 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.

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