Genetic Variant TBX2:p.Glu72Asp (chr17-61400392-G-C) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_005994.4(TBX2):c.216G>C(p.Glu72Asp) variant causes a missense change. The variant allele was found at a frequency of 0.00000235 in 1,275,604 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000067 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000018 ( 0 hom. )

Consequence

TBX2
NM_005994.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.20

Publications

0 publications found

Variant links:

Genes affected

TBX2 (HGNC:11597): (T-box transcription factor 2) This gene is a member of a phylogenetically conserved family of genes that share a common DNA-binding domain, the T-box. T-box genes encode transcription factors involved in the regulation of developmental processes. This gene product is the human homolog of mouse Tbx2, and shares strong sequence similarity with Drosophila omb protein. Expression studies indicate that this gene may have a potential role in tumorigenesis as an immortalizing agent. Transcript heterogeneity due to alternative polyadenylation has been noted for this gene. [provided by RefSeq, Jul 2008]

TBX2 links:

TBX2-AS1 (HGNC:50355): (TBX2 antisense RNA 1)

TBX2-AS1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_005994.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	TBX2	NM_005994.4	MANE Select	c.216G>C	p.Glu72Asp	missense	Exon 1 of 7	NP_005985.3

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
TBX2	ENST00000240328.4	TSL:1 MANE Select	c.216G>C	p.Glu72Asp	missense	Exon 1 of 7	ENSP00000240328.3	Q13207
TBX2	ENST00000419047.5	TSL:1	n.216G>C		non_coding_transcript_exon	Exon 1 of 7	ENSP00000404781.1	F8WCM9
TBX2	ENST00000964762.1		c.216G>C	p.Glu72Asp	missense	Exon 1 of 8	ENSP00000634821.1

Frequencies

GnomAD3 genomes

AF:

0.00000669

AC:

AN:

149380

Hom.:

Cov.:

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:

0.000195

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

AF:

0.00000178

AC:

AN:

1126118

Hom.:

Cov.:

AF XY:

0.00000367

AC XY:

AN XY:

545668

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

23472

American (AMR)

AF:

0.00

AC:

AN:

17274

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

17510

East Asian (EAS)

AF:

0.0000863

AC:

AN:

23188

South Asian (SAS)

AF:

0.00

AC:

AN:

39150

European-Finnish (FIN)

AF:

0.00

AC:

AN:

23832

Middle Eastern (MID)

AF:

0.00

AC:

AN:

3260

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

934752

Other (OTH)

AF:

0.00

AC:

AN:

43680

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<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:

0.00000669

AC:

AN:

149486

Hom.:

Cov.:

AF XY:

0.0000137

AC XY:

AN XY:

72888

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41298

American (AMR)

AF:

0.00

AC:

AN:

15018

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3432

East Asian (EAS)

AF:

0.000196

AC:

AN:

5114

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

9670

Middle Eastern (MID)

AF:

0.00

AC:

AN:

290

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

66836

Other (OTH)

AF:

0.00

AC:

AN:

2086

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.29

BayesDel_addAF

Benign

-0.029

BayesDel_noAF

Benign

-0.28

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Uncertain

0.45

Eigen

Uncertain

0.23

Eigen_PC

Uncertain

0.23

FATHMM_MKL

Uncertain

0.95

LIST_S2

Benign

0.39

M_CAP

Pathogenic

0.95

MetaRNN

Uncertain

0.57

MetaSVM

Uncertain

-0.038

MutationAssessor

Benign

0.49

PhyloP100

4.2

PrimateAI

Pathogenic

0.95

PROVEAN

Benign

-1.1

REVEL

Uncertain

0.35

Sift

Benign

0.10

Sift4G

Benign

0.11

Polyphen

0.27

Vest4

0.38

MutPred

0.25

Loss of helix (P = 0.079)

MVP

0.68

ClinPred

0.45

GERP RS

3.4

Varity_R

0.14

gMVP

0.41

Mutation Taster

=85/15

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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over