ClinVar Miner

Submissions for variant NM_005219.5(DIAPH1):c.2359C>T (p.Leu787Phe)

gnomAD frequency: 0.00001  dbSNP: rs2099895261
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV002036485 SCV002314390 uncertain significance Autosomal dominant nonsyndromic hearing loss 1; Progressive microcephaly-seizures-cortical blindness-developmental delay syndrome 2021-07-31 criteria provided, single submitter clinical testing This variant has not been reported in the literature in individuals affected with DIAPH1-related conditions. This sequence change replaces leucine with phenylalanine at codon 787 of the DIAPH1 protein (p.Leu787Phe). The leucine residue is weakly conserved and there is a small physicochemical difference between leucine and phenylalanine. This variant is not present in population databases (ExAC no frequency). 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 phenylalanine 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.

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