rs139898175
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Variant summary
Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6BP7
The NM_024577.4(SH3TC2):c.1767C>T(p.Ser589=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000217 in 1,614,156 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 Conflicting classifications of pathogenicity (no stars).
Frequency
Genomes: 𝑓 0.00022 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00022 ( 0 hom. )
Consequence
SH3TC2
NM_024577.4 synonymous
NM_024577.4 synonymous
Scores
2
Clinical Significance
Conservation
PhyloP100: -2.57
Genes affected
SH3TC2 (HGNC:29427): (SH3 domain and tetratricopeptide repeats 2) This gene encodes a protein with two N-terminal Src homology 3 (SH3) domains and 10 tetratricopeptide repeat (TPR) motifs, and is a member of a small gene family. The gene product has been proposed to be an adapter or docking molecule. Mutations in this gene result in autosomal recessive Charcot-Marie-Tooth disease type 4C, a childhood-onset neurodegenerative disease characterized by demyelination of motor and sensory neurons. [provided by RefSeq, Jul 2008]
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ACMG classification
Classification made for transcript
Verdict is Likely_benign. Variant got -4 ACMG points.
PM2
?
Very rare variant in population databases, with high coverage;
BP4
?
Computational evidence support a benign effect (BayesDel_noAF=-0.93).
BP6
?
Variant 5-149027965-G-A is Benign according to our data. Variant chr5-149027965-G-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 390930.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=5, Uncertain_significance=2}. Variant chr5-149027965-G-A is described in Lovd as [Likely_benign].
BP7
?
Synonymous conserved (PhyloP=-2.57 with no splicing effect.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
SH3TC2 | NM_024577.4 | c.1767C>T | p.Ser589= | synonymous_variant | 11/17 | ENST00000515425.6 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
SH3TC2 | ENST00000515425.6 | c.1767C>T | p.Ser589= | synonymous_variant | 11/17 | 1 | NM_024577.4 | P2 |
Frequencies
GnomAD3 genomes ? AF: 0.000223 AC: 34AN: 152222Hom.: 0 Cov.: 33
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GnomAD3 exomes AF: 0.000183 AC: 46AN: 250944Hom.: 0 AF XY: 0.000170 AC XY: 23AN XY: 135640
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GnomAD4 exome AF: 0.000216 AC: 316AN: 1461816Hom.: 0 Cov.: 33 AF XY: 0.000208 AC XY: 151AN XY: 727214
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GnomAD4 genome ? AF: 0.000223 AC: 34AN: 152340Hom.: 0 Cov.: 33 AF XY: 0.000201 AC XY: 15AN XY: 74496
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ClinVar
Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:2Benign:5
Revision: criteria provided, conflicting classifications
LINK: link
Submissions by phenotype
not provided Benign:2
Likely benign, criteria provided, single submitter | clinical testing | GeneDx | Oct 01, 2018 | - - |
Likely benign, criteria provided, single submitter | clinical testing | CeGaT Center for Human Genetics Tuebingen | Feb 01, 2019 | - - |
Charcot-Marie-Tooth disease type 4C Uncertain:1
Uncertain significance, 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, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease. - |
Susceptibility to mononeuropathy of the median nerve, mild Uncertain:1
Uncertain significance, 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, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease. - |
Charcot-Marie-Tooth disease Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Molecular Genetics Laboratory, London Health Sciences Centre | - | - - |
Inborn genetic diseases Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Ambry Genetics | Jul 11, 2019 | This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. - |
Charcot-Marie-Tooth disease type 4 Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Invitae | Jan 28, 2024 | - - |
Computational scores
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Name
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BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
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