ClinVar Miner

Submissions for variant NM_203290.4(POLR1C):c.608G>A (p.Arg203Gln)

gnomAD frequency: 0.00004  dbSNP: rs767435882
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Department of Otolaryngology – Head & Neck Surgery, Cochlear Implant Center RCV001375099 SCV001571964 uncertain significance Hearing impairment 2021-04-12 criteria provided, single submitter clinical testing PM2_Moderate, PP3_Supporting
Invitae RCV002550948 SCV002979082 uncertain significance not provided 2022-07-14 criteria provided, single submitter clinical testing 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: "Not Available"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Not Available"). ClinVar contains an entry for this variant (Variation ID: 1064896). This variant has not been reported in the literature in individuals affected with POLR1C-related conditions. This variant is present in population databases (rs767435882, gnomAD 0.02%), including at least one homozygous and/or hemizygous individual. This sequence change replaces arginine, which is basic and polar, with glutamine, which is neutral and polar, at codon 203 of the POLR1C protein (p.Arg203Gln).

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