ClinVar Miner

Submissions for variant NM_198576.4(AGRN):c.2798C>T (p.Ala933Val)

gnomAD frequency: 0.00004  dbSNP: rs375711798
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000809949 SCV000950133 uncertain significance Congenital myasthenic syndrome 8 2022-03-18 criteria provided, single submitter clinical testing This sequence change replaces alanine, which is neutral and non-polar, with valine, which is neutral and non-polar, at codon 933 of the AGRN protein (p.Ala933Val). This variant is present in population databases (rs375711798, gnomAD 0.003%). 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: "Possibly Damaging"; Align-GVGD: "Class C0". The valine 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: 654059). This variant has not been reported in the literature in individuals affected with AGRN-related conditions.

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