ClinVar Miner

Submissions for variant NM_002582.4(PARN):c.1691T>C (p.Val564Ala)

gnomAD frequency: 0.00003  dbSNP: rs200433771
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Genetic Services Laboratory, University of Chicago RCV000499944 SCV000596230 uncertain significance not specified 2016-05-27 criteria provided, single submitter clinical testing
Invitae RCV001213533 SCV001385168 uncertain significance Dyskeratosis congenita, autosomal recessive 6; Pulmonary fibrosis and/or bone marrow failure, Telomere-related, 4 2023-07-31 criteria provided, single submitter clinical testing Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Not Available"; PolyPhen-2: "Benign"; Align-GVGD: "Not Available". The alanine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. ClinVar contains an entry for this variant (Variation ID: 436155). This variant has not been reported in the literature in individuals affected with PARN-related conditions. This variant is present in population databases (rs200433771, gnomAD 0.006%). This sequence change replaces valine, which is neutral and non-polar, with alanine, which is neutral and non-polar, at codon 564 of the PARN protein (p.Val564Ala). 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 RCV003409699 SCV004115661 uncertain significance PARN-related condition 2023-03-07 criteria provided, single submitter clinical testing The PARN c.1691T>C variant is predicted to result in the amino acid substitution p.Val564Ala. To our knowledge, this variant has not been reported in the literature. This variant is reported in 0.0062% of alleles in individuals of European (Non-Finnish) descent in gnomAD (http://gnomad.broadinstitute.org/variant/16-14540918-A-G). 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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