rs45517275

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4BP6BS2

The NM_000548.5(TSC2):​c.2887G>A​(p.Val963Met) variant causes a missense change. The variant allele was found at a frequency of 0.0000298 in 1,613,092 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). Synonymous variant affecting the same amino acid position (i.e. V963V) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000046 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000028 ( 0 hom. )

Consequence

TSC2
NM_000548.5 missense

Scores

4
7
7

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:7O:1

Conservation

PhyloP100: 6.87

Publications

9 publications found
Variant links:
Genes affected
TSC2 (HGNC:12363): (TSC complex subunit 2) This gene is a tumor suppressor gene that encodes the growth inhibitory protein tuberin. Tuberin interacts with hamartin to form the TSC protein complex which functions in the control of cell growth. This TSC protein complex negatively regulates mammalian target of rapamycin complex 1 (mTORC1) signaling which is a major regulator of anabolic cell growth. Mutations in this gene have been associated with tuberous sclerosis and lymphangioleiomyomatosis. [provided by RefSeq, May 2022]
TSC2 Gene-Disease associations (from GenCC):
  • tuberous sclerosis
    Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
  • tuberous sclerosis 2
    Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Genomics England PanelApp, G2P, Labcorp Genetics (formerly Invitae), Laboratory for Molecular Medicine, Ambry Genetics
  • lymphangioleiomyomatosis
    Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp
  • tuberous sclerosis complex
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -6 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.38981435).
BP6
Variant 16-2077647-G-A is Benign according to our data. Variant chr16-2077647-G-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 49235.
BS2
High AC in GnomAd4 at 7 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000548.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
TSC2
NM_000548.5
MANE Select
c.2887G>Ap.Val963Met
missense
Exon 26 of 42NP_000539.2P49815-1
TSC2
NM_001406663.1
c.2887G>Ap.Val963Met
missense
Exon 26 of 42NP_001393592.1A0A2R8Y6C9
TSC2
NM_001114382.3
c.2887G>Ap.Val963Met
missense
Exon 26 of 41NP_001107854.1P49815-4

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
TSC2
ENST00000219476.9
TSL:5 MANE Select
c.2887G>Ap.Val963Met
missense
Exon 26 of 42ENSP00000219476.3P49815-1
TSC2
ENST00000350773.9
TSL:1
c.2887G>Ap.Val963Met
missense
Exon 26 of 41ENSP00000344383.4P49815-4
TSC2
ENST00000401874.7
TSL:1
c.2837+1062G>A
intron
N/AENSP00000384468.2P49815-5

Frequencies

GnomAD3 genomes
AF:
0.0000460
AC:
7
AN:
152192
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000193
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000588
Gnomad OTH
AF:
0.000479
GnomAD2 exomes
AF:
0.0000199
AC:
5
AN:
250820
AF XY:
0.0000221
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000289
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000109
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000883
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000281
AC:
41
AN:
1460782
Hom.:
0
Cov.:
31
AF XY:
0.0000317
AC XY:
23
AN XY:
726696
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33480
American (AMR)
AF:
0.0000224
AC:
1
AN:
44722
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26136
East Asian (EAS)
AF:
0.000126
AC:
5
AN:
39700
South Asian (SAS)
AF:
0.0000116
AC:
1
AN:
86256
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
52364
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5756
European-Non Finnish (NFE)
AF:
0.0000306
AC:
34
AN:
1111990
Other (OTH)
AF:
0.00
AC:
0
AN:
60378
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.486
Heterozygous variant carriers
0
3
6
10
13
16
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome 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
GnomAD4 genome
AF:
0.0000460
AC:
7
AN:
152310
Hom.:
0
Cov.:
33
AF XY:
0.0000269
AC XY:
2
AN XY:
74462
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41566
American (AMR)
AF:
0.00
AC:
0
AN:
15304
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.000193
AC:
1
AN:
5176
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4828
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10616
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.0000588
AC:
4
AN:
68032
Other (OTH)
AF:
0.000474
AC:
1
AN:
2110
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.468
Heterozygous variant carriers
0
1
2
2
3
4
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:
0.0000371
Hom.:
0
Bravo
AF:
0.0000264
ExAC
AF:
0.0000330
AC:
4

ClinVar

ClinVar submissions
Significance:Conflicting classifications of pathogenicity
Revision:criteria provided, conflicting classifications
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
2
not provided (3)
-
-
3
Tuberous sclerosis 2 (3)
-
1
1
Hereditary cancer-predisposing syndrome (2)
-
-
1
not specified (1)
-
-
-
Tuberous sclerosis syndrome (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.10
BayesDel_addAF
Pathogenic
0.20
D
BayesDel_noAF
Pathogenic
0.31
CADD
Pathogenic
26
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.49
T
Eigen
Uncertain
0.39
Eigen_PC
Uncertain
0.42
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Benign
0.83
T
M_CAP
Benign
0.080
D
MetaRNN
Benign
0.39
T
MetaSVM
Uncertain
0.53
D
MutationAssessor
Benign
1.7
L
PhyloP100
6.9
PrimateAI
Uncertain
0.49
T
PROVEAN
Benign
-0.56
N
REVEL
Pathogenic
0.67
Sift
Benign
0.061
T
Sift4G
Uncertain
0.016
D
Polyphen
0.82
P
Vest4
0.47
MVP
0.91
ClinPred
0.19
T
GERP RS
4.1
Varity_R
0.055
gMVP
0.54
Mutation Taster
=8/92
disease causing

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.020
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: rs45517275; hg19: chr16-2127648; API