ClinVar Miner

Submissions for variant NM_001368809.2(AMPD2):c.602T>C (p.Met201Thr)

gnomAD frequency: 0.00001  dbSNP: rs748621330
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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 RCV001910596 SCV002196151 uncertain significance Hereditary spastic paraplegia 63; Pontocerebellar hypoplasia type 9 2021-08-07 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 are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0"). This variant has not been reported in the literature in individuals with AMPD2-related conditions. This variant is present in population databases (rs748621330, ExAC 0.005%). This sequence change replaces methionine with threonine at codon 255 of the AMPD2 protein (p.Met255Thr). The methionine residue is highly conserved and there is a moderate physicochemical difference between methionine and threonine.

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