rs377463081
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Variant summary
Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_StrongBP6_Very_Strong
The NM_000257.4(MYH7):c.3726+17C>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000434 in 1,613,870 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).
Frequency
Genomes: 𝑓 0.000026 ( 0 hom., cov: 31)
Exomes 𝑓: 0.0000021 ( 0 hom. )
Consequence
MYH7
NM_000257.4 intron
NM_000257.4 intron
Scores
2
Clinical Significance
Conservation
PhyloP100: -0.115
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 -12 ACMG points.
BP4
?
Computational evidence support a benign effect (BayesDel_noAF=-0.66).
BP6
?
Variant 14-23419828-G-A is Benign according to our data. Variant chr14-23419828-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 188626.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
MYH7 | NM_000257.4 | c.3726+17C>T | intron_variant | ENST00000355349.4 | |||
MYH7 | NM_001407004.1 | c.3726+17C>T | intron_variant |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
MYH7 | ENST00000355349.4 | c.3726+17C>T | intron_variant | 1 | NM_000257.4 | P1 |
Frequencies
GnomAD3 genomes ? AF: 0.0000263 AC: 4AN: 152142Hom.: 0 Cov.: 31
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GnomAD3 exomes AF: 0.00000398 AC: 1AN: 251350Hom.: 0 AF XY: 0.00 AC XY: 0AN XY: 135832
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GnomAD4 exome AF: 0.00000205 AC: 3AN: 1461728Hom.: 0 Cov.: 35 AF XY: 0.00000138 AC XY: 1AN XY: 727166
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GnomAD4 genome ? AF: 0.0000263 AC: 4AN: 152142Hom.: 0 Cov.: 31 AF XY: 0.00 AC XY: 0AN XY: 74314
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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:2
Likely benign, criteria provided, single submitter | clinical testing | PreventionGenetics, part of Exact Sciences | - | - - |
Likely benign, criteria provided, single submitter | clinical testing | GeneDx | Sep 11, 2017 | This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. - |
Hypertrophic cardiomyopathy Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Invitae | Jul 19, 2023 | - - |
Computational scores
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BayesDel_noAF
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CADD
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DANN
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Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at