ClinVar Miner

Submissions for variant NM_000036.3(AMPD1):c.890G>A (p.Cys297Tyr)

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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 RCV004785087 SCV005397566 uncertain significance Muscle AMP deaminase deficiency 2024-02-16 criteria provided, single submitter clinical testing This sequence variant is a single nucleotide substitution (G>A) at position 890 of the coding sequence of the AMPD1 gene that results in a cysteine to tyrosine amino acid change at residue 297 of the adenosine monophosphate deaminase 1 protein. This variant is absent from ClinVar and has not been observed in individuals affected by an AMPD1-related disorder in the published literature, to our knowledge. This variant is absent from the gnomAD v4.0.0 population database (0/1461784 alleles). Multiple bioinformatic tools predict that this amino acid change would be damaging, and the Cys297 residue at this position is highly conserved across the vertebrate species examined. Studies examining the functional consequence of this variant have not been published, to our knowledge. At this time, there is insufficient evidence to determine if this variant is pathogenic or benign. Therefore, we consider this a variant of uncertain significance. ACMG Criteria: PM2, PP3

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