chr5-149007006-T-C

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4_Moderate

The NM_024577.4(SH3TC2):​c.3550A>G​(p.Met1184Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000403 in 1,614,170 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 13/22 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 0.00048 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00039 ( 1 hom. )

Consequence

SH3TC2
NM_024577.4 missense

Scores

8
10

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:9B:2

Conservation

PhyloP100: 2.00

Publications

7 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: Likely_benign. The variant received -2 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.18241799).

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.3550A>Gp.Met1184Val
missense
Exon 16 of 17NP_078853.2

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
SH3TC2
ENST00000515425.6
TSL:1 MANE Select
c.3550A>Gp.Met1184Val
missense
Exon 16 of 17ENSP00000423660.1Q8TF17-1
SH3TC2
ENST00000512049.5
TSL:1
c.3529A>Gp.Met1177Val
missense
Exon 16 of 17ENSP00000421860.1Q8TF17-5
SH3TC2
ENST00000323829.9
TSL:1
n.*2938A>G
non_coding_transcript_exon
Exon 17 of 18ENSP00000313025.5D6RA65

Frequencies

GnomAD3 genomes
AF:
0.000480
AC:
73
AN:
152162
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000483
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.000282
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000999
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.000354
AC:
89
AN:
251474
AF XY:
0.000368
show subpopulations
Gnomad AFR exome
AF:
0.000123
Gnomad AMR exome
AF:
0.0000578
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.000231
Gnomad NFE exome
AF:
0.000686
Gnomad OTH exome
AF:
0.000326
GnomAD4 exome
AF:
0.000395
AC:
577
AN:
1461890
Hom.:
1
Cov.:
32
AF XY:
0.000410
AC XY:
298
AN XY:
727246
show subpopulations
African (AFR)
AF:
0.0000299
AC:
1
AN:
33480
American (AMR)
AF:
0.0000447
AC:
2
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:
0.00
AC:
0
AN:
86258
European-Finnish (FIN)
AF:
0.000449
AC:
24
AN:
53420
Middle Eastern (MID)
AF:
0.000173
AC:
1
AN:
5768
European-Non Finnish (NFE)
AF:
0.000477
AC:
530
AN:
1112008
Other (OTH)
AF:
0.000315
AC:
19
AN:
60396
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.476
Heterozygous variant carriers
0
36
73
109
146
182
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
20
40
60
80
100
<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:
0.000479
AC:
73
AN:
152280
Hom.:
0
Cov.:
32
AF XY:
0.000403
AC XY:
30
AN XY:
74458
show subpopulations
African (AFR)
AF:
0.0000481
AC:
2
AN:
41542
American (AMR)
AF:
0.00
AC:
0
AN:
15298
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5172
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4828
European-Finnish (FIN)
AF:
0.000282
AC:
3
AN:
10624
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.00100
AC:
68
AN:
68026
Other (OTH)
AF:
0.00
AC:
0
AN:
2114
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.493
Heterozygous variant carriers
0
5
10
14
19
24
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:
0.000531
Hom.:
0
Bravo
AF:
0.000314
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000259
AC:
1
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000349
AC:
3
ExAC
AF:
0.000371
AC:
45
EpiCase
AF:
0.000545
EpiControl
AF:
0.000593

ClinVar

ClinVar submissions
Significance:Conflicting classifications of pathogenicity
Revision:criteria provided, conflicting classifications
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
3
-
not provided (3)
-
2
-
Charcot-Marie-Tooth disease (2)
-
-
1
Charcot-Marie-Tooth disease type 4 (1)
-
1
-
Charcot-Marie-Tooth disease type 4C (1)
-
1
-
Charcot-Marie-Tooth disease type 4C;C3150596:Susceptibility to mononeuropathy of the median nerve, mild (1)
-
1
-
Inborn genetic diseases (1)
-
-
1
not specified (1)
-
1
-
Susceptibility to mononeuropathy of the median nerve, mild (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.32
BayesDel_addAF
Benign
-0.23
T
BayesDel_noAF
Benign
-0.11
CADD
Uncertain
23
DANN
Uncertain
0.99
DEOGEN2
Benign
0.18
T
Eigen
Uncertain
0.38
Eigen_PC
Uncertain
0.46
FATHMM_MKL
Uncertain
0.94
D
LIST_S2
Uncertain
0.92
D
M_CAP
Benign
0.035
D
MetaRNN
Benign
0.18
T
MetaSVM
Benign
-0.73
T
MutationAssessor
Benign
1.6
L
PhyloP100
2.0
PrimateAI
Uncertain
0.61
T
PROVEAN
Benign
-2.3
N
REVEL
Benign
0.19
Sift
Uncertain
0.0070
D
Sift4G
Uncertain
0.020
D
Polyphen
0.86
P
Vest4
0.53
MVP
0.64
MPC
0.25
ClinPred
0.19
T
GERP RS
5.0
Varity_R
0.48
gMVP
0.41
Mutation Taster
=75/25
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: rs142451273; hg19: chr5-148386569; API