rs111033388
Variant summary
Our verdict is Benign. Variant got -13 ACMG points: 3P and 16B. PM4PP3BP6_Very_StrongBS1BS2
The NM_000260.4(MYO7A):c.6614_6634dup(p.Met2205_Ser2211dup) variant causes a inframe insertion change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00126 in 1,589,124 control chromosomes in the GnomAD database, including 30 homozygotes. Variant has been reported in ClinVar as Likely benign (★★).
Frequency
Genomes: 𝑓 0.0070 ( 19 hom., cov: 32)
Exomes 𝑓: 0.00065 ( 11 hom. )
Consequence
MYO7A
NM_000260.4 inframe_insertion
NM_000260.4 inframe_insertion
Scores
Not classified
Clinical Significance
Conservation
PhyloP100: 7.53
Genes affected
MYO7A (HGNC:7606): (myosin VIIA) This gene is a member of the myosin gene family. Myosins are mechanochemical proteins characterized by the presence of a motor domain, an actin-binding domain, a neck domain that interacts with other proteins, and a tail domain that serves as an anchor. This gene encodes an unconventional myosin with a very short tail. Defects in this gene are associated with the mouse shaker-1 phenotype and the human Usher syndrome 1B which are characterized by deafness, reduced vestibular function, and (in human) retinal degeneration. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2008]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -13 ACMG points.
PM4
?
Nonframeshift variant in NON repetitive region in NM_000260.4.
PP3
?
No computational evidence supports a deleterious effect, but strongly conserved according to phyloP
BP6
?
Variant 11-77214658-G-GCCATGAGCAAACAGCGGGGCT is Benign according to our data. Variant chr11-77214658-G-GCCATGAGCAAACAGCGGGGCT is described in ClinVar as [Likely_benign]. Clinvar id is 177815.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
?
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00696 (1060/152304) while in subpopulation AFR AF= 0.0245 (1018/41538). AF 95% confidence interval is 0.0233. There are 19 homozygotes in gnomad4. There are 488 alleles in male gnomad4 subpopulation. This position pass quality control queck.
BS2
?
High Homozygotes in GnomAd at 19 AR gene
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
MYO7A | NM_000260.4 | c.6614_6634dup | p.Met2205_Ser2211dup | inframe_insertion | 49/49 | ENST00000409709.9 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
MYO7A | ENST00000409709.9 | c.6614_6634dup | p.Met2205_Ser2211dup | inframe_insertion | 49/49 | 1 | NM_000260.4 |
Frequencies
GnomAD3 genomes ? AF: 0.00698 AC: 1062AN: 152186Hom.: 19 Cov.: 32
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GnomAD3 exomes AF: 0.00116 AC: 244AN: 210546Hom.: 2 AF XY: 0.000965 AC XY: 109AN XY: 112914
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GnomAD4 exome AF: 0.000651 AC: 936AN: 1436820Hom.: 11 Cov.: 30 AF XY: 0.000563 AC XY: 401AN XY: 711950
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ClinVar
Significance: Benign/Likely benign
Submissions summary: Benign:7
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
not provided Benign:5
Likely benign, no assertion criteria provided | clinical testing | Laboratory of Diagnostic Genome Analysis, Leiden University Medical Center (LUMC) | - | - - |
Likely benign, no assertion criteria provided | clinical testing | Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center | - | - - |
Benign, criteria provided, single submitter | clinical testing | Invitae | Jan 31, 2024 | - - |
Likely benign, no assertion criteria provided | clinical testing | Clinical Genetics, Academic Medical Center | - | - - |
Likely benign, criteria provided, single submitter | clinical testing | GeneDx | May 24, 2022 | See Variant Classification Assertion Criteria. - |
not specified Benign:2
Likely benign, criteria provided, single submitter | clinical testing | Eurofins Ntd Llc (ga) | Dec 21, 2015 | - - |
Benign, criteria provided, single submitter | clinical testing | Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine | May 28, 2016 | c.6614_6634dup (p.Met2205_Ser221dup) in exon49 of MYO7A: This variant is not exp ected to have clinical significance because it has been identified in 2% (73/340 2) of African chromosomes by the Exome Aggregation Consortium (ExAC, http://exac .broadinstitute.org; dbSNP rs111033388). - |
Computational scores
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Find out detailed SpliceAI scores and Pangolin per-transcript scores at