ClinVar Miner

Submissions for variant NM_004183.4(BEST1):c.397A>C (p.Asn133His)

gnomAD frequency: 0.00001  dbSNP: rs755851136
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
CeGaT Center for Human Genetics Tuebingen RCV000513521 SCV000608591 likely pathogenic not provided 2019-01-01 criteria provided, single submitter clinical testing
Invitae RCV000513521 SCV001382956 likely pathogenic not provided 2023-06-03 criteria provided, single submitter clinical testing In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic. This variant disrupts the p.Asn133 amino acid residue in BEST1. Other variant(s) that disrupt this residue have been determined to be pathogenic (PMID: 10798642; Invitae). This suggests that this residue is clinically significant, and that variants that disrupt this residue are likely to be disease-causing. 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 expected to disrupt BEST1 protein function. ClinVar contains an entry for this variant (Variation ID: 444254). This missense change has been observed in individual(s) with autosomal recessive bestrophinopathy, clinical features of autosomal dominant macular dystrophy, and/or macular degeneration (PMID: 21273940, 34327816; Invitae). This variant is present in population databases (rs755851136, gnomAD 0.004%). This sequence change replaces asparagine, which is neutral and polar, with histidine, which is basic and polar, at codon 133 of the BEST1 protein (p.Asn133His).

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