Genetic Variant NM_005521.4:c.335G>A (chr10-101131876-G-A) – ACMG Classification: Likely_benign (-5 pts)

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 0P and 5B. BP4BS2

The NM_005521.4(TLX1):c.335G>A(p.Gly112Asp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000719 in 1,251,518 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. G112A) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000072 ( 0 hom. )

Consequence

TLX1
NM_005521.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.63

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]

TLX1 links:

TLX1NB (HGNC:37183): (TLX1 neighbor)

TLX1NB links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -5 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.35605574).

BS2

High AC in GnomAdExome4 at 9 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TLX1	NM_005521.4 link	c.335G>A	p.Gly112Asp	missense_variant	Exon 1 of 3	ENST00000370196.11	NP_005512.1	P31314-1
TLX1	NM_001195517.2 link	c.335G>A	p.Gly112Asp	missense_variant	Exon 1 of 3		NP_001182446.1	P31314-2
TLX1	XM_011539744.4 link	c.335G>A	p.Gly112Asp	missense_variant	Exon 1 of 3		XP_011538046.1
TLX1NB	NR_130724.1 link	n.580-4778C>T		intron_variant	Intron 1 of 2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
TLX1	ENST00000370196.11 link	c.335G>A	p.Gly112Asp	missense_variant	Exon 1 of 3	1	NM_005521.4	ENSP00000359215.6		P31314-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.0000577

AC:

AN:

34642

AF XY:

0.0000943

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000242

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:

0.00000719

AC:

AN:

1251518

Hom.:

Cov.:

AF XY:

0.00000490

AC XY:

AN XY:

612406

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

24534

American (AMR)

AF:

0.0000734

AC:

AN:

13618

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

19408

East Asian (EAS)

AF:

0.00

AC:

AN:

27698

South Asian (SAS)

AF:

0.0000347

AC:

AN:

57708

European-Finnish (FIN)

AF:

0.00

AC:

AN:

33864

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5002

European-Non Finnish (NFE)

AF:

0.00000589

AC:

AN:

1018040

Other (OTH)

AF:

0.00

AC:

AN:

51646

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.497

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

Benign

0.29

BayesDel_addAF

Benign

-0.14

BayesDel_noAF

Benign

-0.14

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Uncertain

0.43

T;.;.

Eigen

Benign

-0.38

Eigen_PC

Benign

-0.38

FATHMM_MKL

Benign

0.65

LIST_S2

Benign

0.53

T;T;T

M_CAP

Pathogenic

0.83

MetaRNN

Benign

0.36

T;T;T

MetaSVM

Benign

-0.48

MutationAssessor

Benign

0.90

L;L;.

PhyloP100

1.6

PrimateAI

Pathogenic

0.95

PROVEAN

Benign

0.070

N;N;.

REVEL

Uncertain

0.38

Sift

Benign

0.10

T;T;.

Sift4G

Benign

0.63

T;T;T

Polyphen

0.79

P;.;.

Vest4

0.37

MutPred

0.32

Gain of solvent accessibility (P = 0.039);Gain of solvent accessibility (P = 0.039);.;

MVP

0.82

ClinPred

0.11

GERP RS

1.6

PromoterAI

0.055

Neutral

(source)

Varity_R

0.083

gMVP

0.67

Mutation Taster

=87/13

polymorphism

(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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NM_005521.4:c.335G>A

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over