ClinVar Miner

Submissions for variant NM_003977.4(AIP):c.79G>C (p.Asp27His)

gnomAD frequency: 0.00001  dbSNP: rs1024903808
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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001373355 SCV001570066 uncertain significance not provided 2023-11-08 criteria provided, single submitter clinical testing This sequence change replaces aspartic acid, which is acidic and polar, with histidine, which is basic and polar, at codon 27 of the AIP protein (p.Asp27His). This variant is present in population databases (no rsID available, gnomAD 0.004%). This variant has not been reported in the literature in individuals affected with AIP-related conditions. ClinVar contains an entry for this variant (Variation ID: 1063510). 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 AIP 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.
Ambry Genetics RCV002420844 SCV002679419 uncertain significance Hereditary cancer-predisposing syndrome 2022-07-20 criteria provided, single submitter clinical testing The p.D27H variant (also known as c.79G>C), located in coding exon 1 of the AIP gene, results from a G to C substitution at nucleotide position 79. The aspartic acid at codon 27 is replaced by histidine, an amino acid with similar properties. This amino acid position is not well conserved in available vertebrate species. In addition, this alteration is predicted to be tolerated by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.
Baylor Genetics RCV003469616 SCV004193528 uncertain significance Somatotroph adenoma 2023-09-25 criteria provided, single submitter clinical testing
GeneDx RCV001373355 SCV005331862 uncertain significance not provided 2023-08-29 criteria provided, single submitter clinical testing Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge

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