ClinVar Miner

Submissions for variant NM_000135.4(FANCA):c.3359G>C (p.Cys1120Ser)

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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001067137 SCV001232177 uncertain significance Fanconi anemia 2019-12-31 criteria provided, single submitter clinical testing This sequence change replaces cysteine with serine at codon 1120 of the FANCA protein (p.Cys1120Ser). The cysteine residue is highly conserved and there is a moderate physicochemical difference between cysteine and serine. This variant is present in population databases (rs370731587, ExAC 0.03%). This variant has not been reported in the literature in individuals with FANCA-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 serine amino acid residue is found in multiple mammalian species, suggesting that this missense change does not adversely affect protein function. These predictions have not been confirmed by published functional studies and their clinical significance is uncertain. 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.
Illumina Clinical Services Laboratory,Illumina RCV001118524 SCV001276814 uncertain significance Fanconi anemia, complementation group A 2018-01-13 criteria provided, single submitter clinical testing This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease.
Natera, Inc. RCV001274561 SCV001458817 uncertain significance Fanconi anemia, group A 2020-01-17 no assertion criteria provided clinical testing

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