17-10535374-C-T
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Variant summary
Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1
The NM_017534.6(MYH2):c.1975-9G>A variant causes a splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0599 in 1,611,432 control chromosomes in the GnomAD database, including 3,300 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).
Frequency
Genomes: 𝑓 0.065 ( 356 hom., cov: 32)
Exomes 𝑓: 0.059 ( 2944 hom. )
Consequence
MYH2
NM_017534.6 splice_polypyrimidine_tract, intron
NM_017534.6 splice_polypyrimidine_tract, intron
Scores
2
Splicing: ADA: 0.00002611
2
Clinical Significance
Conservation
PhyloP100: -2.93
Genes affected
MYH2 (HGNC:7572): (myosin heavy chain 2) Myosins are actin-based motor proteins that function in the generation of mechanical force in eukaryotic cells. Muscle myosins are heterohexamers composed of 2 myosin heavy chains and 2 pairs of nonidentical myosin light chains. This gene encodes a member of the class II or conventional myosin heavy chains, and functions in skeletal muscle contraction. This gene is found in a cluster of myosin heavy chain genes on chromosome 17. A mutation in this gene results in inclusion body myopathy-3. Multiple alternatively spliced variants, encoding the same protein, have been identified. [provided by RefSeq, Sep 2009]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -20 ACMG points.
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.67).
BP6
Variant 17-10535374-C-T is Benign according to our data. Variant chr17-10535374-C-T is described in ClinVar as [Benign]. Clinvar id is 260816.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr17-10535374-C-T is described in Lovd as [Benign].
BA1
GnomAd4 highest subpopulation (SAS) allele frequency at 95% confidence interval = 0.116 is higher than 0.05.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
MYH2 | NM_017534.6 | c.1975-9G>A | splice_polypyrimidine_tract_variant, intron_variant | ENST00000245503.10 | |||
MYHAS | NR_125367.1 | n.168-32163C>T | intron_variant, non_coding_transcript_variant | ||||
MYH2 | NM_001100112.2 | c.1975-9G>A | splice_polypyrimidine_tract_variant, intron_variant |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
MYH2 | ENST00000245503.10 | c.1975-9G>A | splice_polypyrimidine_tract_variant, intron_variant | 1 | NM_017534.6 | P1 | |||
ENST00000399342.6 | n.370+1887C>T | intron_variant, non_coding_transcript_variant | 3 |
Frequencies
GnomAD3 genomes AF: 0.0645 AC: 9803AN: 152018Hom.: 348 Cov.: 32
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GnomAD3 exomes AF: 0.0625 AC: 15663AN: 250592Hom.: 592 AF XY: 0.0652 AC XY: 8830AN XY: 135458
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GnomAD4 exome AF: 0.0594 AC: 86662AN: 1459296Hom.: 2944 Cov.: 31 AF XY: 0.0609 AC XY: 44219AN XY: 726134
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GnomAD4 genome AF: 0.0647 AC: 9846AN: 152136Hom.: 356 Cov.: 32 AF XY: 0.0657 AC XY: 4888AN XY: 74360
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ClinVar
Significance: Benign
Submissions summary: Benign:6
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
not specified Benign:3
Benign, no assertion criteria provided | clinical testing | Joint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+ | - | - - |
Benign, no assertion criteria provided | clinical testing | Clinical Genetics, Academic Medical Center | - | - - |
Benign, criteria provided, single submitter | clinical testing | PreventionGenetics, part of Exact Sciences | - | - - |
Myopathy, proximal, and ophthalmoplegia Benign:2
Benign, criteria provided, single submitter | clinical testing | Invitae | Feb 01, 2024 | - - |
Benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jan 13, 2018 | This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. - |
not provided Benign:1
Benign, criteria provided, single submitter | clinical testing | GeneDx | Jul 15, 2018 | - - |
Computational scores
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Name
Calibrated prediction
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BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
Splicing
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dbscSNV1_ADA
Benign
dbscSNV1_RF
Benign
SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at