ClinVar Miner

Submissions for variant NM_004990.4(MARS1):c.165C>G (p.Ser55Arg)

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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 RCV003782312 SCV004578169 uncertain significance Severe early-onset pulmonary alveolar proteinosis due to MARS deficiency; Charcot-Marie-Tooth disease axonal type 2U 2023-02-18 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. 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 tolerated. This variant has not been reported in the literature in individuals affected with MARS-related conditions. This variant is present in population databases (rs540781909, gnomAD 0.0009%). This sequence change replaces serine, which is neutral and polar, with arginine, which is basic and polar, at codon 55 of the MARS protein (p.Ser55Arg).

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