ClinVar Miner

Submissions for variant NM_022437.3(ABCG8):c.1963A>G (p.Met655Val)

gnomAD frequency: 0.00542  dbSNP: rs9282573
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Total submissions: 5
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV000960559 SCV001107551 benign not provided 2025-02-02 criteria provided, single submitter clinical testing
Genetic Services Laboratory, University of Chicago RCV001819027 SCV002070908 benign not specified 2021-01-04 criteria provided, single submitter clinical testing
Ambry Genetics RCV002416232 SCV002718893 benign Cardiovascular phenotype 2020-01-24 criteria provided, single submitter clinical testing This alteration is classified as benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity.
GeneDx RCV000960559 SCV003842600 likely benign not provided 2020-10-01 criteria provided, single submitter clinical testing See Variant Classification Assertion Criteria.
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV001819027 SCV004039552 likely benign not specified 2023-08-15 criteria provided, single submitter clinical testing Variant summary: ABCG8 c.1963A>G (p.Met655Val) results in a conservative amino acid change in the encoded protein sequence. Five of five in-silico tools predict a benign effect of the variant on protein function. The variant allele was found at a frequency of 0.0014 in 251410 control chromosomes, predominantly at a frequency of 0.019 within the African or African-American subpopulation in the gnomAD database, including 6 homozygotes. The observed variant frequency within African or African-American control individuals in the gnomAD database is approximately 4 fold of the estimated maximal expected allele frequency for a pathogenic variant in ABCG8 causing Early Onset Coronary Artery Disease phenotype (0.005), strongly suggesting that the variant is a benign polymorphism found primarily in populations of African or African-American origin. To our knowledge, no occurrence of c.1963A>G in individuals affected with Early Onset Coronary Artery Disease and no experimental evidence demonstrating its impact on protein function have been reported. Four submitters have cited clinical-significance assessments for this variant to ClinVar after 2014. All submitters classified the variant as benign/likely benign. Based on the evidence outlined above, the variant was classified as likely benign.

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