ClinVar Miner

Submissions for variant NM_213720.3(CHCHD10):c.327C>G (p.Phe109Leu)

gnomAD frequency: 0.00003  dbSNP: rs1438034155
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV000650708 SCV000772555 uncertain significance Lower motor neuron syndrome with late-adult onset; Frontotemporal dementia and/or amyotrophic lateral sclerosis 2; Autosomal dominant mitochondrial myopathy with exercise intolerance 2017-11-07 criteria provided, single submitter clinical testing This sequence change replaces phenylalanine with leucine at codon 109 of the CHCHD10 protein (p.Phe109Leu). The phenylalanine residue is highly conserved and there is a small physicochemical difference between phenylalanine and leucine. This variant is not present in population databases (ExAC no frequency). 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. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated, but these predictions have not been confirmed by published functional studies and their clinical significance is uncertain. This variant has not been reported in the literature in individuals with CHCHD10-related disease.

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