ClinVar Miner

Submissions for variant NM_006270.5(RRAS):c.484G>A (p.Ala162Thr)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Ambry Genetics RCV004050094 SCV002639443 uncertain significance not specified 2022-07-26 criteria provided, single submitter clinical testing The c.484G>A (p.A162T) alteration is located in exon 5 (coding exon 5) of the RRAS gene. This alteration results from a G to A substitution at nucleotide position 484, causing the alanine (A) at amino acid position 162 to be replaced by a threonine (T). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear.
Labcorp Genetics (formerly Invitae), Labcorp RCV003642998 SCV004453081 uncertain significance Noonan syndrome 2023-08-09 criteria provided, single submitter clinical testing This sequence change replaces alanine, which is neutral and non-polar, with threonine, which is neutral and polar, at codon 162 of the RRAS protein (p.Ala162Thr). This variant is present in population databases (no rsID available, gnomAD 0.04%). This variant has not been reported in the literature in individuals affected with RRAS-related conditions. ClinVar contains an entry for this variant (Variation ID: 1743561). 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. 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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