Genetic Variant NM_005521.4:c.355A>T (chr10-101131896-A-T) – ACMG Classification: Uncertain_significance (1 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_005521.4(TLX1):c.355A>T(p.Ser119Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000658 in 151,924 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. S119G) has been classified as Likely benign.

Frequency

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

Consequence

TLX1
NM_005521.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.79

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: Uncertain_significance. The variant received 1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.3550724).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TLX1	NM_005521.4 link	c.355A>T	p.Ser119Cys	missense_variant	Exon 1 of 3	ENST00000370196.11	NP_005512.1	P31314-1
TLX1	NM_001195517.2 link	c.355A>T	p.Ser119Cys	missense_variant	Exon 1 of 3		NP_001182446.1	P31314-2
TLX1	XM_011539744.4 link	c.355A>T	p.Ser119Cys	missense_variant	Exon 1 of 3		XP_011538046.1
TLX1NB	NR_130724.1 link	n.580-4798T>A		intron_variant	Intron 1 of 2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
TLX1	ENST00000370196.11 link	c.355A>T	p.Ser119Cys	missense_variant	Exon 1 of 3	1	NM_005521.4	ENSP00000359215.6		P31314-1

Frequencies

GnomAD3 genomes

AF:

0.00000658

AC:

AN:

151924

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000242

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

GnomAD4 exome

Cov.:

GnomAD4 genome

AF:

0.00000658

AC:

AN:

151924

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74202

show subpopulations

African (AFR)

AF:

0.0000242

AC:

AN:

41354

American (AMR)

AF:

0.00

AC:

AN:

15276

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5148

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10586

Middle Eastern (MID)

AF:

0.00

AC:

AN:

312

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

67948

Other (OTH)

AF:

0.00

AC:

AN:

2088

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.091

BayesDel_addAF

Uncertain

0.024

BayesDel_noAF

Benign

-0.20

CADD

Benign

(source)

DANN

Benign

0.94

DEOGEN2

Uncertain

0.44

T;.;.

Eigen

Benign

-0.46

Eigen_PC

Benign

-0.45

FATHMM_MKL

Uncertain

0.84

LIST_S2

Benign

0.43

T;T;T

M_CAP

Pathogenic

0.81

MetaRNN

Benign

0.36

T;T;T

MetaSVM

Benign

-0.39

MutationAssessor

Benign

0.0

N;N;.

PhyloP100

1.8

PrimateAI

Pathogenic

0.91

PROVEAN

Benign

-0.80

N;N;.

REVEL

Uncertain

0.36

Sift

Benign

0.17

T;T;.

Sift4G

Uncertain

0.039

D;T;T

Polyphen

0.70

P;.;.

Vest4

0.17

MutPred

0.36

Loss of glycosylation at S119 (P = 0.0057);Loss of glycosylation at S119 (P = 0.0057);.;

MVP

0.79

ClinPred

0.16

GERP RS

3.0

PromoterAI

0.0010

Neutral

(source)

Varity_R

0.10

gMVP

0.45

Mutation Taster

=94/6

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.355A>T

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