5-137870871-C-A
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Variant summary
Our verdict is Benign. Variant got -18 ACMG points: 0P and 18B. BP4_ModerateBP6_Very_StrongBS1BS2
The NM_006790.3(MYOT):c.220C>A(p.Gln74Lys) variant causes a missense change. The variant allele was found at a frequency of 0.00253 in 1,614,194 control chromosomes in the GnomAD database, including 88 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).
Frequency
Genomes: 𝑓 0.013 ( 44 hom., cov: 32)
Exomes 𝑓: 0.0014 ( 44 hom. )
Consequence
MYOT
NM_006790.3 missense
NM_006790.3 missense
Scores
5
Clinical Significance
Conservation
PhyloP100: 3.80
Genes affected
MYOT (HGNC:12399): (myotilin) This gene encodes a cystoskeletal protein which plays a significant role in the stability of thin filaments during muscle contraction. This protein binds F-actin, crosslinks actin filaments, and prevents latrunculin A-induced filament disassembly. Mutations in this gene have been associated with limb-girdle muscular dystrophy and myofibrillar myopathies. Several alternatively spliced transcript variants of this gene have been described, but the full-length nature of some of these variants has not been determined.[provided by RefSeq, Oct 2008]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -18 ACMG points.
BP4
Computational evidence support a benign effect (MetaRNN=0.07220766).
BP6
Variant 5-137870871-C-A is Benign according to our data. Variant chr5-137870871-C-A is described in ClinVar as [Likely_benign]. Clinvar id is 464369.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 = 0.0134 (2048/152308) while in subpopulation AFR AF= 0.0463 (1926/41554). AF 95% confidence interval is 0.0446. There are 44 homozygotes in gnomad4. There are 965 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High AC in GnomAd4 at 2048 AD gene.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
MYOT | NM_006790.3 | c.220C>A | p.Gln74Lys | missense_variant | 2/10 | ENST00000239926.9 | |
PKD2L2-DT | XR_948815.3 | n.303-11608G>T | intron_variant, non_coding_transcript_variant |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
MYOT | ENST00000239926.9 | c.220C>A | p.Gln74Lys | missense_variant | 2/10 | 1 | NM_006790.3 | P1 | |
PKD2L2-DT | ENST00000514616.6 | n.320-11608G>T | intron_variant, non_coding_transcript_variant | 5 |
Frequencies
GnomAD3 genomes AF: 0.0134 AC: 2040AN: 152190Hom.: 44 Cov.: 32
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GnomAD4 exome AF: 0.00140 AC: 2040AN: 1461886Hom.: 44 Cov.: 31 AF XY: 0.00121 AC XY: 877AN XY: 727246
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GnomAD4 genome AF: 0.0134 AC: 2048AN: 152308Hom.: 44 Cov.: 32 AF XY: 0.0130 AC XY: 965AN XY: 74488
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ClinVar
Significance: Benign/Likely benign
Submissions summary: Benign:4
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
not specified Benign:2
Benign, criteria provided, single submitter | clinical testing | GeneDx | Nov 09, 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. - |
Benign, criteria provided, single submitter | clinical testing | Mendelics | May 04, 2022 | - - |
not provided Benign:1
Benign, criteria provided, single submitter | clinical testing | Athena Diagnostics | Sep 28, 2017 | - - |
Myofibrillar myopathy 3 Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Invitae | Jan 31, 2024 | - - |
Computational scores
Source:
Name
Calibrated prediction
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Prediction
AlphaMissense
Benign
BayesDel_noAF
Benign
CADD
Benign
LIST_S2
Benign
T
MetaRNN
Benign
T
Sift4G
Benign
T
Vest4
gMVP
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at