rs765695557

Variant summary

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

The NM_000368.5(TSC1):​c.1276G>T​(p.Asp426Tyr) variant causes a missense change. The variant allele was found at a frequency of 0.000013 in 1,613,664 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 0.000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000075 ( 0 hom. )

Consequence

TSC1
NM_000368.5 missense

Scores

12
6

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:3B:5

Conservation

PhyloP100: 4.04

Publications

2 publications found
Variant links:
Genes affected
TSC1 (HGNC:12362): (TSC complex subunit 1) This gene is a tumor suppressor gene that encodes the growth inhibitory protein hamartin. The encoded protein interacts with and stabilizes the GTPase activating protein tuberin. This hamartin-tuberin complex negatively regulates mammalian target of rapamycin complex 1 (mTORC1) signaling which is a major regulator of anabolic cell growth. This protein also functions as a co-chaperone for Hsp90 that inhibits its ATPase activity. This protein functions as a facilitator of Hsp90-mediated folding of kinase and non-kinase clients, including TSC2 and thereby preventing their ubiquitination and proteasomal degradation. Mutations in this gene have been associated with tuberous sclerosis and lymphangioleiomyomatosis. [provided by RefSeq, May 2022]
TSC1 Gene-Disease associations (from GenCC):
  • tuberous sclerosis
    Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
  • tuberous sclerosis 1
    Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), G2P, Ambry Genetics, Genomics England PanelApp
  • lung 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=0.27644217).
BP6
Variant 9-132907358-C-A is Benign according to our data. Variant chr9-132907358-C-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 237699.
BS2
High AC in GnomAd4 at 10 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000368.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
TSC1
NM_000368.5
MANE Select
c.1276G>Tp.Asp426Tyr
missense
Exon 13 of 23NP_000359.1Q92574-1
TSC1
NM_001406592.1
c.1276G>Tp.Asp426Tyr
missense
Exon 13 of 23NP_001393521.1X5D9D2
TSC1
NM_001406593.1
c.1276G>Tp.Asp426Tyr
missense
Exon 13 of 23NP_001393522.1Q92574-1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
TSC1
ENST00000298552.9
TSL:1 MANE Select
c.1276G>Tp.Asp426Tyr
missense
Exon 13 of 23ENSP00000298552.3Q92574-1
TSC1
ENST00000490179.4
TSL:3
c.1276G>Tp.Asp426Tyr
missense
Exon 14 of 24ENSP00000495533.2Q92574-1
TSC1
ENST00000643875.1
c.1276G>Tp.Asp426Tyr
missense
Exon 13 of 23ENSP00000495158.1Q92574-1

Frequencies

GnomAD3 genomes
AF:
0.0000657
AC:
10
AN:
152190
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000241
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:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000199
AC:
5
AN:
251286
AF XY:
0.0000221
show subpopulations
Gnomad AFR exome
AF:
0.000308
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000753
AC:
11
AN:
1461474
Hom.:
0
Cov.:
30
AF XY:
0.00000688
AC XY:
5
AN XY:
727068
show subpopulations
African (AFR)
AF:
0.000329
AC:
11
AN:
33474
American (AMR)
AF:
0.00
AC:
0
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26132
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39696
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86244
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53410
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5764
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1111650
Other (OTH)
AF:
0.00
AC:
0
AN:
60380
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.416
Heterozygous variant carriers
0
1
2
3
4
5
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:
0.0000657
AC:
10
AN:
152190
Hom.:
0
Cov.:
32
AF XY:
0.0000672
AC XY:
5
AN XY:
74354
show subpopulations
African (AFR)
AF:
0.000241
AC:
10
AN:
41438
American (AMR)
AF:
0.00
AC:
0
AN:
15274
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3468
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5196
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4836
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10614
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68042
Other (OTH)
AF:
0.00
AC:
0
AN:
2094
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.510
Heterozygous variant carriers
0
1
2
4
5
6
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:
0.000107
Hom.:
0
Bravo
AF:
0.0000718
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
-
2
3
Tuberous sclerosis 1 (5)
-
-
1
Hereditary cancer-predisposing syndrome (1)
-
1
-
not provided (1)
-
-
1
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.18
BayesDel_addAF
Benign
-0.091
T
BayesDel_noAF
Uncertain
-0.060
CADD
Pathogenic
26
DANN
Uncertain
0.99
DEOGEN2
Uncertain
0.50
D
Eigen
Uncertain
0.28
Eigen_PC
Uncertain
0.30
FATHMM_MKL
Uncertain
0.95
D
LIST_S2
Uncertain
0.87
D
M_CAP
Uncertain
0.25
D
MetaRNN
Benign
0.28
T
MetaSVM
Benign
-0.48
T
MutationAssessor
Uncertain
2.2
M
PhyloP100
4.0
PrimateAI
Benign
0.34
T
PROVEAN
Benign
-0.92
N
REVEL
Uncertain
0.52
Sift
Uncertain
0.0030
D
Sift4G
Uncertain
0.018
D
Polyphen
0.98
D
Vest4
0.55
MVP
0.66
MPC
1.5
ClinPred
0.39
T
GERP RS
5.1
PromoterAI
-0.037
Neutral
Varity_R
0.32
gMVP
0.45
Mutation Taster
=63/37
polymorphism

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: rs765695557; hg19: chr9-135782745; COSMIC: COSV99036992; API