ClinVar Miner

Submissions for variant NM_000939.4(POMC):c.638C>T (p.Ala213Val)

gnomAD frequency: 0.00004  dbSNP: rs757423347
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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Illumina Laboratory Services, Illumina RCV001137755 SCV001297732 uncertain significance Obesity 2017-04-27 criteria provided, single submitter clinical testing This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). No publications were found based on this search. Allele frequency data from public databases did not allow this variant to be ruled in or out of causing disease. Therefore, this variant is classified as a variant of unknown significance.
Illumina Laboratory Services, Illumina RCV001142528 SCV001302974 uncertain significance Obesity due to pro-opiomelanocortin deficiency 2017-04-27 criteria provided, single submitter clinical testing This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). No publications were found based on this search. Allele frequency data from public databases did not allow this variant to be ruled in or out of causing disease. Therefore, this variant is classified as a variant of unknown significance.
Labcorp Genetics (formerly Invitae), Labcorp RCV003558702 SCV004286612 uncertain significance not provided 2023-12-21 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 213 of the POMC protein (p.Ala213Val). This variant is present in population databases (rs757423347, gnomAD 0.02%). This variant has not been reported in the literature in individuals affected with POMC-related conditions. ClinVar contains an entry for this variant (Variation ID: 895579). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt POMC protein function with a negative predictive value of 80%. 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.
PreventionGenetics, part of Exact Sciences RCV004734025 SCV005356429 uncertain significance POMC-related disorder 2024-05-02 no assertion criteria provided clinical testing The POMC c.638C>T variant is predicted to result in the amino acid substitution p.Ala213Val. To our knowledge, this variant has not been reported in the literature. This variant is reported in 0.020% of alleles in individuals of Latino descent in gnomAD. At this time, the clinical significance of this variant is uncertain due to the absence of conclusive functional and genetic evidence.

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