ClinVar Miner

Submissions for variant NM_020366.4(RPGRIP1):c.2620G>A (p.Val874Ile)

gnomAD frequency: 0.00001  dbSNP: rs774012865
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001936549 SCV002198799 uncertain significance Cone-rod dystrophy 13; Leber congenital amaurosis 6 2023-02-27 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. Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt RPGRIP1 protein function. ClinVar contains an entry for this variant (Variation ID: 1428918). This variant has not been reported in the literature in individuals affected with RPGRIP1-related conditions. This variant is present in population databases (rs774012865, gnomAD 0.0009%). This sequence change replaces valine, which is neutral and non-polar, with isoleucine, which is neutral and non-polar, at codon 874 of the RPGRIP1 protein (p.Val874Ile).
Ambry Genetics RCV004041875 SCV005015351 uncertain significance Inborn genetic diseases 2023-12-12 criteria provided, single submitter clinical testing The c.2620G>A (p.V874I) alteration is located in exon 16 (coding exon 16) of the RPGRIP1 gene. This alteration results from a G to A substitution at nucleotide position 2620, causing the valine (V) at amino acid position 874 to be replaced by an isoleucine (I). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear.

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