rs118203751

chr9-132896427-C-Achr9-132896427-C-Gchr9-132896427-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 3P and 3B. PM2PP2BP4BP6_Moderate

The NM_000368.5(TSC1):c.3303G>T(p.Glu1101Asp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000657 in 152,216 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 Benign (★). Another nucleotide change resulting in same amino acid change has been previously reported as Uncertain significancein ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. E1101K) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Consequence

TSC1
NM_000368.5 missense

Scores

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 3.41

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 links:

Genome browser will be placed here

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;

PP2

Missense variant where missense usually causes diseases, TSC1

BP4

Computational evidence support a benign effect (MetaRNN=0.34496552).

BP6

Variant 9-132896427-C-A is Benign according to our data. Variant chr9-132896427-C-A is described in ClinVar as [Benign]. Clinvar id is 1504784.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
TSC1	NM_000368.5 linkuse as main transcript	c.3303G>T	p.Glu1101Asp	missense_variant	23/23	ENST00000298552.9

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
TSC1	ENST00000298552.9 linkuse as main transcript	c.3303G>T	p.Glu1101Asp	missense_variant	23/23	1	NM_000368.5	P4	Q92574-1

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152216

Hom.:

Cov.:

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:

0.00

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

GnomAD3 exomes

AF:

0.00000398

AC:

AN:

251466

Hom.:

AF XY:

0.00000736

AC XY:

AN XY:

135912

show subpopulations

Gnomad AFR exome

AF:

0.0000615

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152216

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74378

show subpopulations

Gnomad4 AFR

AF:

0.0000241

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

ClinVar

Significance: Benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Tuberous sclerosis 1

Benign:1

Benign, criteria provided, single submitter

clinical testing

Invitae

Oct 12, 2023

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.57

BayesDel_addAF

Benign

-0.012

BayesDel_noAF

Uncertain

-0.070

Cadd

Uncertain

Dann

Uncertain

1.0

DEOGEN2

Benign

0.37

T;.;T;.;.;T;.;T;.;.;.

Eigen

Uncertain

0.39

Eigen_PC

Uncertain

0.35

FATHMM_MKL

Uncertain

0.92

M_CAP

Pathogenic

0.34

MetaRNN

Benign

0.34

T;T;T;T;T;T;T;T;T;T;T

MetaSVM

Uncertain

0.66

MutationAssessor

Uncertain

2.4

M;.;M;.;.;M;.;M;.;.;.

MutationTaster

Benign

0.97

D;D;D;D

PrimateAI

Uncertain

0.71

PROVEAN

Benign

-1.1

N;N;N;.;.;.;.;.;.;.;.

REVEL

Uncertain

0.45

Sift

Pathogenic

0.0

D;D;D;.;.;.;.;.;.;.;.

Sift4G

Uncertain

0.043

D;D;D;.;.;.;.;.;.;.;.

Polyphen

0.99

D;.;D;.;.;D;.;D;.;.;.

Vest4

0.53

MutPred

0.15

Loss of methylation at K1099 (P = 0.112);.;Loss of methylation at K1099 (P = 0.112);.;.;Loss of methylation at K1099 (P = 0.112);.;Loss of methylation at K1099 (P = 0.112);.;.;.;

MVP

0.88

MPC

1.3

ClinPred

0.91

GERP RS

3.7

Varity_R

0.43

gMVP

0.26

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

LitVar

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

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over