ClinVar Miner

Submissions for variant NM_001876.4(CPT1A):c.52G>A (p.Gly18Arg)

gnomAD frequency: 0.00002  dbSNP: rs767491846
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001351960 SCV001546477 uncertain significance Carnitine palmitoyl transferase 1A deficiency 2021-08-28 criteria provided, single submitter clinical testing This sequence change replaces glycine with arginine at codon 18 of the CPT1A protein (p.Gly18Arg). The glycine residue is moderately conserved and there is a moderate physicochemical difference between glycine and arginine. This variant is present in population databases (rs767491846, ExAC 0.006%). This variant has not been reported in the literature in individuals affected with CPT1A-related conditions. 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: "Possibly Damaging"; Align-GVGD: "Class C0"). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site. 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.
Natera, Inc. RCV001351960 SCV002092982 uncertain significance Carnitine palmitoyl transferase 1A deficiency 2021-10-07 no assertion criteria provided clinical testing

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