rs397516185
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Variant summary
Our verdict is Benign. Variant got -13 ACMG points: 0P and 13B. BP4_StrongBP6_Very_StrongBP7
The NM_000257.4(MYH7):c.3462C>T(p.Gly1154=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000312 in 1,603,464 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).
Frequency
Genomes: 𝑓 0.000020 ( 0 hom., cov: 31)
Exomes 𝑓: 0.000032 ( 1 hom. )
Consequence
MYH7
NM_000257.4 synonymous
NM_000257.4 synonymous
Scores
2
Clinical Significance
Conservation
PhyloP100: -5.07
Genes affected
MYH7 (HGNC:7577): (myosin heavy chain 7) Muscle myosin is a hexameric protein containing 2 heavy chain subunits, 2 alkali light chain subunits, and 2 regulatory light chain subunits. This gene encodes the beta (or slow) heavy chain subunit of cardiac myosin. It is expressed predominantly in normal human ventricle. It is also expressed in skeletal muscle tissues rich in slow-twitch type I muscle fibers. Changes in the relative abundance of this protein and the alpha (or fast) heavy subunit of cardiac myosin correlate with the contractile velocity of cardiac muscle. Its expression is also altered during thyroid hormone depletion and hemodynamic overloading. Mutations in this gene are associated with familial hypertrophic cardiomyopathy, myosin storage myopathy, dilated cardiomyopathy, and Laing distal myopathy. [provided by RefSeq, May 2022]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -13 ACMG points.
BP4
?
Computational evidence support a benign effect (BayesDel_noAF=-0.71).
BP6
?
Variant 14-23420109-G-A is Benign according to our data. Variant chr14-23420109-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 42963.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
?
Synonymous conserved (PhyloP=-5.07 with no splicing effect.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
MYH7 | NM_000257.4 | c.3462C>T | p.Gly1154= | synonymous_variant | 27/40 | ENST00000355349.4 | |
MYH7 | NM_001407004.1 | c.3462C>T | p.Gly1154= | synonymous_variant | 26/39 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
MYH7 | ENST00000355349.4 | c.3462C>T | p.Gly1154= | synonymous_variant | 27/40 | 1 | NM_000257.4 | P1 |
Frequencies
GnomAD3 genomes ? AF: 0.0000198 AC: 3AN: 151380Hom.: 0 Cov.: 31
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GnomAD3 exomes AF: 0.0000171 AC: 4AN: 234514Hom.: 0 AF XY: 0.0000233 AC XY: 3AN XY: 128674
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GnomAD4 exome AF: 0.0000324 AC: 47AN: 1452084Hom.: 1 Cov.: 34 AF XY: 0.0000374 AC XY: 27AN XY: 722256
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GnomAD4 genome ? AF: 0.0000198 AC: 3AN: 151380Hom.: 0 Cov.: 31 AF XY: 0.0000271 AC XY: 2AN XY: 73836
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ClinVar
Significance: Likely benign
Submissions summary: Benign:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
not specified Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine | Jan 20, 2012 | Gly1154Gly in exon 27 of MYH7: This variant is not expected to have clinical sig nificance because it does not alter an amino acid residue and is not located wit hin the splice consensus sequence. In addition, it has been identified in 1/6582 European American chromosomes by the NHBLI Exome sequencing project in broad po pulation (http://evs.gs.washington.edu/EVS). Gly1154Gly in exon 27 of MYH7 (NHB LI Exome Seq Project; allele frequency = 1/6582) - |
Hypertrophic cardiomyopathy Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Invitae | Nov 17, 2023 | - - |
Cardiovascular phenotype Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Ambry Genetics | Oct 27, 2021 | 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. - |
Computational scores
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Name
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BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
Splicing
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Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at