chr13-110647235-G-T
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Variant summary
Our verdict is Likely benign. Variant got -5 ACMG points: 2P and 7B. PM2BP4_StrongBP6_ModerateBP7
The NM_024537.4(CARS2):c.1059C>A(p.Ile353=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000685 in 1,459,858 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: not found (cov: 33)
Exomes 𝑓: 6.8e-7 ( 0 hom. )
Consequence
CARS2
NM_024537.4 synonymous
NM_024537.4 synonymous
Scores
2
Clinical Significance
Conservation
PhyloP100: -1.09
Genes affected
CARS2 (HGNC:25695): (cysteinyl-tRNA synthetase 2, mitochondrial) This gene encodes a putative member of the class I family of aminoacyl-tRNA synthetases. These enzymes play a critical role in protein biosynthesis by charging tRNAs with their cognate amino acids. This protein is encoded by the nuclear genome but is likely to be imported to the mitochondrion where it is thought to catalyze the ligation of cysteine to tRNA molecules. A splice-site mutation in this gene has been associated with a novel progressive myoclonic epilepsy disease with similar symptoms to MERRF syndrome. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jun 2017]
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ACMG classification
Classification made for transcript
Verdict is Likely_benign. Variant got -5 ACMG points.
PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.67).
BP6
Variant 13-110647235-G-T is Benign according to our data. Variant chr13-110647235-G-T is described in ClinVar as [Likely_benign]. Clinvar id is 2754264.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
Synonymous conserved (PhyloP=-1.09 with no splicing effect.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
CARS2 | NM_024537.4 | c.1059C>A | p.Ile353= | synonymous_variant | 11/15 | ENST00000257347.9 | NP_078813.1 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
CARS2 | ENST00000257347.9 | c.1059C>A | p.Ile353= | synonymous_variant | 11/15 | 1 | NM_024537.4 | ENSP00000257347 | P1 |
Frequencies
GnomAD3 genomes Cov.: 33
GnomAD3 genomes
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GnomAD3 exomes AF: 0.00000401 AC: 1AN: 249394Hom.: 0 AF XY: 0.00 AC XY: 0AN XY: 135022
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GnomAD4 exome AF: 6.85e-7 AC: 1AN: 1459858Hom.: 0 Cov.: 30 AF XY: 0.00 AC XY: 0AN XY: 726062
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GnomAD4 genome Cov.: 33
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ClinVar
Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
Combined oxidative phosphorylation defect type 27 Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Labcorp Genetics (formerly Invitae), Labcorp | Aug 30, 2023 | - - |
Computational scores
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BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
RBP_binding_hub_radar
RBP_regulation_power_radar
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