chr5-149028125-C-T

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM1BP4

The NM_024577.4(SH3TC2):​c.1607G>A​(p.Arg536Gln) variant causes a missense change. The variant allele was found at a frequency of 0.000096 in 1,613,958 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R536W) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00013 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000092 ( 1 hom. )

Consequence

SH3TC2
NM_024577.4 missense

Scores

3
11
4

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:4B:1

Conservation

PhyloP100: 4.15

Publications

0 publications found
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]
SH3TC2 Gene-Disease associations (from GenCC):
  • autosomal recessive hereditary demyelinating motor and sensory neuropathy
    Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
  • Charcot-Marie-Tooth disease type 4C
    Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics, Orphanet
  • susceptibility to mononeuropathy of the median nerve, mild
    Inheritance: AD, AR Classification: STRONG, LIMITED Submitted by: Ambry Genetics, PanelApp Australia

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM1
In a hotspot region, there are 4 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 1 benign, 7 uncertain in NM_024577.4
BP4
Computational evidence support a benign effect (MetaRNN=0.3474509).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_024577.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
SH3TC2
NM_024577.4
MANE Select
c.1607G>Ap.Arg536Gln
missense
Exon 11 of 17NP_078853.2

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
SH3TC2
ENST00000515425.6
TSL:1 MANE Select
c.1607G>Ap.Arg536Gln
missense
Exon 11 of 17ENSP00000423660.1Q8TF17-1
SH3TC2
ENST00000512049.5
TSL:1
c.1586G>Ap.Arg529Gln
missense
Exon 11 of 17ENSP00000421860.1Q8TF17-5
SH3TC2
ENST00000323829.9
TSL:1
n.*995G>A
non_coding_transcript_exon
Exon 12 of 18ENSP00000313025.5D6RA65

Frequencies

GnomAD3 genomes
AF:
0.000131
AC:
20
AN:
152200
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000169
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.000753
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000588
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000955
AC:
24
AN:
251214
AF XY:
0.000125
show subpopulations
Gnomad AFR exome
AF:
0.0000617
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.000416
Gnomad NFE exome
AF:
0.0000880
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.0000924
AC:
135
AN:
1461758
Hom.:
1
Cov.:
33
AF XY:
0.0000894
AC XY:
65
AN XY:
727182
show subpopulations
African (AFR)
AF:
0.0000597
AC:
2
AN:
33480
American (AMR)
AF:
0.00
AC:
0
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26136
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.0000696
AC:
6
AN:
86258
European-Finnish (FIN)
AF:
0.000338
AC:
18
AN:
53308
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.0000926
AC:
103
AN:
1111994
Other (OTH)
AF:
0.0000994
AC:
6
AN:
60390
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.489
Heterozygous variant carriers
0
9
18
26
35
44
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
4
8
12
16
20
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.000131
AC:
20
AN:
152200
Hom.:
0
Cov.:
33
AF XY:
0.000175
AC XY:
13
AN XY:
74344
show subpopulations
African (AFR)
AF:
0.000169
AC:
7
AN:
41460
American (AMR)
AF:
0.0000654
AC:
1
AN:
15284
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5188
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4830
European-Finnish (FIN)
AF:
0.000753
AC:
8
AN:
10620
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000588
AC:
4
AN:
68028
Other (OTH)
AF:
0.00
AC:
0
AN:
2092
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.475
Heterozygous variant carriers
0
2
3
5
6
8
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.0000965
Hom.:
0
Bravo
AF:
0.0000718
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.000123
AC:
15
Asia WGS
AF:
0.000289
AC:
1
AN:
3478
EpiCase
AF:
0.0000545
EpiControl
AF:
0.0000593

ClinVar

ClinVar submissions
Significance:Conflicting classifications of pathogenicity
Revision:criteria provided, conflicting classifications
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
2
-
not provided (2)
-
1
-
Charcot-Marie-Tooth disease (1)
-
-
1
Charcot-Marie-Tooth disease type 4 (1)
-
1
-
Inborn genetic diseases (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.13
BayesDel_addAF
Uncertain
0.018
T
BayesDel_noAF
Uncertain
-0.010
CADD
Uncertain
26
DANN
Pathogenic
1.0
DEOGEN2
Uncertain
0.48
T
Eigen
Pathogenic
0.69
Eigen_PC
Pathogenic
0.67
FATHMM_MKL
Uncertain
0.90
D
LIST_S2
Uncertain
0.95
D
M_CAP
Uncertain
0.089
D
MetaRNN
Benign
0.35
T
MetaSVM
Uncertain
0.30
D
MutationAssessor
Benign
1.9
M
PhyloP100
4.2
PrimateAI
Benign
0.48
T
PROVEAN
Uncertain
-2.8
D
REVEL
Uncertain
0.49
Sift
Uncertain
0.0040
D
Sift4G
Uncertain
0.010
D
Polyphen
1.0
D
Vest4
0.53
MVP
0.92
MPC
0.29
ClinPred
0.26
T
GERP RS
6.0
Varity_R
0.36
gMVP
0.59
Mutation Taster
=98/2
polymorphism

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

Other links and lift over

dbSNP: rs369977771; hg19: chr5-148407688; API