ClinVar Miner

Submissions for variant NM_020366.4(RPGRIP1):c.2303G>A (p.Arg768Gln)

gnomAD frequency: 0.00003  dbSNP: rs770870865
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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 RCV001232446 SCV001405006 uncertain significance Cone-rod dystrophy 13; Leber congenital amaurosis 6 2022-06-13 criteria provided, single submitter clinical testing This sequence change replaces arginine, which is basic and polar, with glutamine, which is neutral and polar, at codon 768 of the RPGRIP1 protein (p.Arg768Gln). This variant is present in population databases (rs770870865, gnomAD 0.04%). This variant has not been reported in the literature in individuals affected with RPGRIP1-related conditions. ClinVar contains an entry for this variant (Variation ID: 959153). 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 glutamine 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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