ClinVar Miner

Submissions for variant NM_012154.5(AGO2):c.718T>A (p.Phe240Ile)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Pittsburgh Clinical Genomics Laboratory, University of Pittsburgh Medical Center RCV004784919 SCV005397173 uncertain significance Lessel-Kreienkamp syndrome 2023-02-17 criteria provided, single submitter clinical testing This sequence variant is a single nucleotide substitution (T>A) at coding position 718 in the AGO2 gene which results in a phenylalanine to isoleucine amino acid change at residue 240 in the AGO2 protein. This novel variant has not been reported previously in individuals with AGO2-related disease, to our knowledge. This variant is absent from the gnomAD population database (0/~251000 alleles). The residue modified lies in AGO2 PAZ domain (UniProt). Phenylalanine is highly conserved at this protein position in vertebrates. Bioinformatic tools are inconclusive if this amino acid change is likely to be damaging or tolerated. Functiol studies assessing the effect of this variant on protein structure or activity have not been performed, to our knowledge. At this time, there is insufficient evidence to determine if this variant is pathogenic or benign. Therefore, we consider it to be a variant of uncertain significance. ACMG Criteria: PM2

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