10-101131749-G-A

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_005521.4(TLX1):​c.208G>A​(p.Gly70Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000337 in 1,422,928 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 Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000036 ( 0 hom. )

Consequence

TLX1
NM_005521.4 missense

Scores

2
3
14

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.0660
Variant links:
Genes affected
TLX1 (HGNC:5056): (T cell leukemia homeobox 1) This gene encodes a nuclear transcription factor that belongs to the NK-linked or NK-like (NKL) subfamily of homeobox genes. The encoded protein is required for normal development of the spleen during embryogenesis. This protein is also involved in specification of neuronal cell fates. Ectopic expression of this gene due to chromosomal translocations is associated with certain T-cell acute lymphoblastic leukemias. Alternate splicing results in multiple transcript variants. [provided by RefSeq, Sep 2010]
TLX1NB (HGNC:37183): (TLX1 neighbor)

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=0.20592016).
BS2
High AC in GnomAdExome4 at 46 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
TLX1NM_005521.4 linkc.208G>A p.Gly70Arg missense_variant Exon 1 of 3 ENST00000370196.11 NP_005512.1 P31314-1
TLX1NM_001195517.2 linkc.208G>A p.Gly70Arg missense_variant Exon 1 of 3 NP_001182446.1 P31314-2
TLX1XM_011539744.4 linkc.208G>A p.Gly70Arg missense_variant Exon 1 of 3 XP_011538046.1
TLX1NBNR_130724.1 linkn.580-4651C>T intron_variant Intron 1 of 2

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
TLX1ENST00000370196.11 linkc.208G>A p.Gly70Arg missense_variant Exon 1 of 3 1 NM_005521.4 ENSP00000359215.6 P31314-1

Frequencies

GnomAD3 genomes
AF:
0.0000132
AC:
2
AN:
152054
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
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:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000326
AC:
1
AN:
30676
AF XY:
0.00
show subpopulations
Gnomad AFR exome
AF:
0.00
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:
0.0000944
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000362
AC:
46
AN:
1270874
Hom.:
0
Cov.:
31
AF XY:
0.0000370
AC XY:
23
AN XY:
621264
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
24798
American (AMR)
AF:
0.00
AC:
0
AN:
15268
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
17870
East Asian (EAS)
AF:
0.00
AC:
0
AN:
28918
South Asian (SAS)
AF:
0.00
AC:
0
AN:
58126
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
42054
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5016
European-Non Finnish (NFE)
AF:
0.0000429
AC:
44
AN:
1026574
Other (OTH)
AF:
0.0000383
AC:
2
AN:
52250
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.500
Heterozygous variant carriers
0
4
7
11
14
18
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
4
8
12
16
20
<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:
0.0000132
AC:
2
AN:
152054
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74272
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41420
American (AMR)
AF:
0.00
AC:
0
AN:
15282
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5168
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4822
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10600
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
314
European-Non Finnish (NFE)
AF:
0.0000294
AC:
2
AN:
67978
Other (OTH)
AF:
0.00
AC:
0
AN:
2092
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.650
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
Alfa
AF:
0.0000712
Hom.:
0
Bravo
AF:
0.0000189
Asia WGS
AF:
0.000289
AC:
1
AN:
3474

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
May 10, 2024
Ambry Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The c.208G>A (p.G70R) alteration is located in exon 1 (coding exon 1) of the TLX1 gene. This alteration results from a G to A substitution at nucleotide position 208, causing the glycine (G) at amino acid position 70 to be replaced by an arginine (R). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
0.42
BayesDel_addAF
Uncertain
0.024
T
BayesDel_noAF
Benign
-0.20
CADD
Benign
12
DANN
Benign
0.97
DEOGEN2
Benign
0.38
T;.;.
Eigen
Benign
-1.1
Eigen_PC
Benign
-1.1
FATHMM_MKL
Benign
0.10
N
LIST_S2
Benign
0.55
T;T;T
M_CAP
Pathogenic
0.81
D
MetaRNN
Benign
0.21
T;T;T
MetaSVM
Benign
-0.66
T
MutationAssessor
Benign
0.55
N;N;.
PhyloP100
-0.066
PrimateAI
Pathogenic
0.87
D
PROVEAN
Benign
0.13
N;N;.
REVEL
Uncertain
0.38
Sift
Benign
0.17
T;T;.
Sift4G
Benign
0.50
T;T;T
Polyphen
0.032
B;.;.
Vest4
0.14
MutPred
0.37
Gain of methylation at G70 (P = 0.0078);Gain of methylation at G70 (P = 0.0078);.;
MVP
0.67
ClinPred
0.042
T
GERP RS
0.34
PromoterAI
0.0081
Neutral
Varity_R
0.064
gMVP
0.45
Mutation Taster
=92/8
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: rs1445898390; hg19: chr10-102891506; API