Genetic Variant TLE1:p.His654Gln (chr9-81587696-G-T) – ACMG Classification: Uncertain_significance (4 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_005077.5(TLE1):c.1962C>A(p.His654Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000685 in 1,460,584 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another nucleotide change resulting in the same amino acid substitution has been previously reported as Uncertain significance in ClinVar.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

TLE1
NM_005077.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.192

Publications

0 publications found

Variant links:

Genes affected

TLE1 (HGNC:11837): (TLE family member 1, transcriptional corepressor) Enables identical protein binding activity and transcription corepressor activity. Involved in negative regulation of I-kappaB kinase/NF-kappaB signaling; negative regulation of anoikis; and regulation of gene expression. Located in cytosol and nucleoplasm. Part of beta-catenin-TCF complex. [provided by Alliance of Genome Resources, Apr 2022]

TLE1 Gene-Disease associations (from GenCC):

movement disorder
Inheritance: AR Classification: LIMITED Submitted by: Ambry Genetics

TLE1 links:

ENSG00000301585 (HGNC:):

ENSG00000301585 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.86

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TLE1	NM_005077.5 link	c.1962C>A	p.His654Gln	missense_variant	Exon 17 of 20	ENST00000376499.8	NP_005068.2	Q04724Q59EF7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
TLE1	ENST00000376499.8 link	c.1962C>A	p.His654Gln	missense_variant	Exon 17 of 20	1	NM_005077.5	ENSP00000365682.3		Q04724
ENSG00000301585	ENST00000779997.1 link	n.33G>T		non_coding_transcript_exon_variant	Exon 1 of 2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.85e-7

AC:

AN:

1460584

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

726514

show subpopulations

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.00

AC:

AN:

33470

American (AMR)

AF:

0.00

AC:

AN:

44624

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25988

East Asian (EAS)

AF:

0.00

AC:

AN:

39690

South Asian (SAS)

AF:

0.00

AC:

AN:

86108

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53310

Middle Eastern (MID)

AF:

0.000174

AC:

AN:

5756

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111296

Other (OTH)

AF:

0.00

AC:

AN:

60342

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.000000), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.325

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.93

BayesDel_addAF

Benign

-0.016

BayesDel_noAF

Benign

-0.26

CADD

Benign

(source)

DANN

Uncertain

0.98

DEOGEN2

Uncertain

0.74

Eigen

Benign

-0.066

Eigen_PC

Benign

-0.19

FATHMM_MKL

Uncertain

0.80

LIST_S2

Uncertain

0.96

M_CAP

Uncertain

0.098

MetaRNN

Pathogenic

0.86

MetaSVM

Benign

-1.1

MutationAssessor

Benign

1.9

PhyloP100

0.19

PrimateAI

Pathogenic

0.95

PROVEAN

Pathogenic

-7.4

REVEL

Uncertain

0.35

Sift

Benign

0.040

Sift4G

Uncertain

0.042

Polyphen

1.0

Vest4

0.73

MutPred

0.75

Loss of sheet (P = 0.0817);

MVP

0.54

MPC

2.1

ClinPred

0.99

GERP RS

-4.7

Varity_R

0.61

gMVP

0.57

Mutation Taster

=27/73

disease causing

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over