ClinVar Miner

Submissions for variant NM_013382.7(POMT2):c.41T>C (p.Leu14Pro)

gnomAD frequency: 0.00004  dbSNP: rs777504929
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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 RCV001933905 SCV002200070 uncertain significance Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type A2; Muscular dystrophy-dystroglycanopathy (congenital with intellectual disability), type B2; Autosomal recessive limb-girdle muscular dystrophy type 2N 2022-06-20 criteria provided, single submitter clinical testing This sequence change replaces leucine, which is neutral and non-polar, with proline, which is neutral and non-polar, at codon 14 of the POMT2 protein (p.Leu14Pro). This variant is present in population databases (rs777504929, gnomAD 0.03%). This variant has not been reported in the literature in individuals affected with POMT2-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Tolerated"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The proline amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. 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.
Ambry Genetics RCV002561382 SCV003687826 uncertain significance Inborn genetic diseases 2022-03-29 criteria provided, single submitter clinical testing The c.41T>C (p.L14P) alteration is located in exon 1 (coding exon 1) of the POMT2 gene. This alteration results from a T to C substitution at nucleotide position 41, causing the leucine (L) at amino acid position 14 to be replaced by a proline (P). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear.

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