ClinVar Miner

Submissions for variant NM_002471.4(MYH6):c.3230A>T (p.Gln1077Leu)

gnomAD frequency: 0.00029  dbSNP: rs377716628
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Total submissions: 6
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001088575 SCV000546137 likely benign Hypertrophic cardiomyopathy 14 2024-12-17 criteria provided, single submitter clinical testing
GeneDx RCV000658226 SCV000779997 uncertain significance not provided 2024-07-05 criteria provided, single submitter clinical testing Has not been previously published as pathogenic or benign to our knowledge; In silico analysis supports that this missense variant has a deleterious effect on protein structure/function
Baylor Genetics RCV001334050 SCV001526787 uncertain significance Atrial septal defect 3 2018-03-27 criteria provided, single submitter clinical testing This variant was determined to be of uncertain significance according to ACMG Guidelines, 2015 [PMID:25741868].
Ambry Genetics RCV002323703 SCV002610291 likely benign Cardiovascular phenotype 2025-01-27 criteria provided, single submitter clinical testing This alteration is classified as likely 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.
Johns Hopkins Genomics, Johns Hopkins University RCV001334050 SCV003839118 uncertain significance Atrial septal defect 3 2022-12-07 criteria provided, single submitter clinical testing This MYH6 variant (rs377716628) has been identified in a large population dataset and the minor allele frequency is neither low enough to consider the variant rare (<0.1%) nor high enough to consider it a population polymorphism (>1%) within the African/African American subpopulation (gnomAD: 32/24972 alleles; 0.13%, no homozygotes). This patient's ethnicity is reported to be Brazilian. This variant has been previously reported to ClinVar. Two bioinformatic tools queried predict that this substitution would be damaging, and the glutamine residue at this position is strongly conserved across the vertebrate species assessed. Bioinformatic analysis predicts that this missense variant would not affect normal exon 24 splicing, although this has not been confirmed experimentally to our knowledge. Due to insufficient evidence that this variant is deleterious, we consider the clinical significance of c.3230A>T (p.Gln1077Leu) to be uncertain at this time.
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV005407117 SCV006072332 likely benign not specified 2025-03-07 criteria provided, single submitter clinical testing

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