ClinVar Miner

Submissions for variant NM_001540.5(HSPB1):c.139G>A (p.Gly47Ser)

dbSNP: rs778311776
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000529312 SCV000640204 uncertain significance Charcot-Marie-Tooth disease axonal type 2F 2022-09-07 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. 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 serine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. ClinVar contains an entry for this variant (Variation ID: 465266). This variant has not been reported in the literature in individuals affected with HSPB1-related conditions. The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the gnomAD database. This sequence change replaces glycine, which is neutral and non-polar, with serine, which is neutral and polar, at codon 47 of the HSPB1 protein (p.Gly47Ser).

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