ClinVar Miner

Submissions for variant NM_001365951.3(KIF1B):c.1769G>A (p.Ser590Asn)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001040567 SCV001204149 uncertain significance Charcot-Marie-Tooth disease, type 2 2019-11-26 criteria provided, single submitter clinical testing This sequence change replaces serine with asparagine at codon 544 of the KIF1B protein (p.Ser544Asn). The serine residue is weakly conserved and there is a small physicochemical difference between serine and asparagine. This variant is present in population databases (rs768672234, ExAC 0.01%). This variant has not been reported in the literature in individuals with KIF1B-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Tolerated"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The asparagine amino acid residue is found in multiple mammalian species, suggesting that this missense change does not adversely affect protein function. These predictions have not been confirmed by published functional studies and their clinical significance is uncertain. 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.
Molecular Genetics Laboratory,London Health Sciences Centre RCV001173592 SCV001336691 uncertain significance Charcot-Marie-Tooth disease criteria provided, single submitter clinical testing

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