5-149027150-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_024577.4(SH3TC2):​c.2582G>A​(p.Arg861Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000206 in 1,614,132 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.00015 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00021 ( 0 hom. )

Consequence

SH3TC2
NM_024577.4 missense

Scores

1
18

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:7B:1

Conservation

PhyloP100: -0.199
Variant links:
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 Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.110637575).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
SH3TC2NM_024577.4 linkuse as main transcriptc.2582G>A p.Arg861Gln missense_variant 11/17 ENST00000515425.6 NP_078853.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
SH3TC2ENST00000515425.6 linkuse as main transcriptc.2582G>A p.Arg861Gln missense_variant 11/171 NM_024577.4 ENSP00000423660 P2Q8TF17-1

Frequencies

GnomAD3 genomes
AF:
0.000151
AC:
23
AN:
152166
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000458
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000206
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000115
AC:
29
AN:
251220
Hom.:
0
AF XY:
0.000125
AC XY:
17
AN XY:
135800
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000867
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000109
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000211
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000211
AC:
309
AN:
1461848
Hom.:
0
Cov.:
32
AF XY:
0.000213
AC XY:
155
AN XY:
727222
show subpopulations
Gnomad4 AFR exome
AF:
0.000119
Gnomad4 AMR exome
AF:
0.0000894
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000256
Gnomad4 OTH exome
AF:
0.000232
GnomAD4 genome
AF:
0.000151
AC:
23
AN:
152284
Hom.:
0
Cov.:
33
AF XY:
0.000161
AC XY:
12
AN XY:
74466
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.000458
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000206
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000270
Hom.:
0
Bravo
AF:
0.000162
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.000132
AC:
16
Asia WGS
AF:
0.000289
AC:
1
AN:
3478
EpiCase
AF:
0.000218
EpiControl
AF:
0.000178

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:7Benign:1
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not provided Uncertain:4
Uncertain significance, criteria provided, single submitterclinical testingCeGaT Center for Human Genetics TuebingenFeb 01, 2019- -
Uncertain significance, criteria provided, single submitterclinical testingAthena DiagnosticsMay 24, 2023Available data are insufficient to determine the clinical significance of the variant at this time. The frequency of this variant in the general population is uninformative in assessment of its pathogenicity (http://gnomad.broadinstitute.org). Computational tools predict that this variant is not damaging. -
Uncertain significance, no assertion criteria providedclinical testingGenome Diagnostics Laboratory, University Medical Center Utrecht-- -
Uncertain significance, no assertion criteria providedclinical testingClinical Genetics, Academic Medical Center-- -
Charcot-Marie-Tooth disease Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingMolecular Genetics Laboratory, London Health Sciences Centre-- -
Charcot-Marie-Tooth disease type 4C Uncertain:1
Uncertain significance, no assertion criteria providedclinical testingZotz-Klimas Genetics Lab, MVZ Zotz KlimasOct 30, 2023- -
Inborn genetic diseases Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsMar 04, 2020The p.R861Q variant (also known as c.2582G>A), located in coding exon 11 of the SH3TC2 gene, results from a G to A substitution at nucleotide position 2582. The arginine at codon 861 is replaced by glutamine, an amino acid with highly similar properties. This amino acid position is not well conserved in available vertebrate species. In addition, this alteration is predicted to be tolerated by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear. -
Charcot-Marie-Tooth disease type 4 Benign:1
Likely benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 11, 2024- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.080
BayesDel_addAF
Benign
-0.25
T
BayesDel_noAF
Benign
-0.30
CADD
Benign
14
DANN
Benign
0.97
DEOGEN2
Benign
0.11
T;.
Eigen
Benign
-0.24
Eigen_PC
Benign
-0.27
FATHMM_MKL
Benign
0.077
N
LIST_S2
Benign
0.85
D;D
M_CAP
Benign
0.047
D
MetaRNN
Benign
0.11
T;T
MetaSVM
Uncertain
-0.021
T
MutationAssessor
Benign
1.7
L;.
MutationTaster
Benign
1.0
N;N;N;N
PrimateAI
Benign
0.20
T
PROVEAN
Benign
-1.9
N;N
REVEL
Benign
0.27
Sift
Benign
0.18
T;T
Sift4G
Benign
0.34
T;T
Polyphen
0.88
P;.
Vest4
0.12
MVP
0.88
MPC
0.045
ClinPred
0.056
T
GERP RS
2.3
Varity_R
0.078
gMVP
0.060

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs142971473; hg19: chr5-148406713; COSMIC: COSV60467851; COSMIC: COSV60467851; API