ClinVar Miner

Submissions for variant NM_005247.4(FGF3):c.146A>G (p.Tyr49Cys)

gnomAD frequency: 0.00001  dbSNP: rs281860300
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001851999 SCV002220470 uncertain significance not provided 2021-03-13 criteria provided, single submitter clinical testing This sequence change replaces tyrosine with cysteine at codon 49 of the FGF3 protein (p.Tyr49Cys). The tyrosine residue is moderately conserved and there is a large physicochemical difference between tyrosine and cysteine. 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. Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). This variant has been observed in individual(s) with clinical features of LAMM syndrome (PMID: 21480479). In at least one individual the data is consistent with the variant being in trans (on the opposite chromosome) from a pathogenic variant. ClinVar contains an entry for this variant (Variation ID: 29816). The frequency data for this variant in the population databases is considered unreliable, as metrics indicate insufficient coverage at this position in the ExAC database.
OMIM RCV000022692 SCV000043981 pathogenic Deafness with labyrinthine aplasia, microtia, and microdontia 2011-05-01 no assertion criteria provided literature only
GeneReviews RCV000022692 SCV000054593 not provided Deafness with labyrinthine aplasia, microtia, and microdontia no assertion provided literature only

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