17-61400235-G-A

Variant summary

Our verdict is Likely pathogenic. The variant received 7 ACMG points: 8P and 1B. PP5_Very_StrongBS2_Supporting

The NM_005994.4(TBX2):​c.59G>A​(p.Arg20Gln) variant causes a missense change. The variant allele was found at a frequency of 0.000051 in 1,215,720 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Likely pathogenic (★★).

Frequency

Genomes: 𝑓 0.000061 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000050 ( 0 hom. )

Consequence

TBX2
NM_005994.4 missense

Scores

2
11
6

Clinical Significance

Pathogenic/Likely pathogenic criteria provided, multiple submitters, no conflicts P:4

Conservation

PhyloP100: 6.03

Publications

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

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_pathogenic. The variant received 7 ACMG points.

PP5
Variant 17-61400235-G-A is Pathogenic according to our data. Variant chr17-61400235-G-A is described in ClinVar as [Likely_pathogenic]. Clinvar id is 522826.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS2
High AC in GnomAd4 at 9 AD gene. Variant has AC lower than other variant known as pathogenic in the gene, so the strength is limited to Supporting.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
TBX2NM_005994.4 linkc.59G>A p.Arg20Gln missense_variant Exon 1 of 7 ENST00000240328.4 NP_005985.3 Q13207A0A024QZ86

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
TBX2ENST00000240328.4 linkc.59G>A p.Arg20Gln missense_variant Exon 1 of 7 1 NM_005994.4 ENSP00000240328.3 Q13207

Frequencies

GnomAD3 genomes
AF:
0.0000614
AC:
9
AN:
146628
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000244
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:
0.000121
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.00
AC:
0
AN:
151774
AF XY:
0.00
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:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000496
AC:
53
AN:
1069092
Hom.:
0
Cov.:
30
AF XY:
0.0000493
AC XY:
26
AN XY:
527916
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
20910
American (AMR)
AF:
0.00
AC:
0
AN:
23640
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
13552
East Asian (EAS)
AF:
0.00
AC:
0
AN:
10536
South Asian (SAS)
AF:
0.00
AC:
0
AN:
61408
European-Finnish (FIN)
AF:
0.0000809
AC:
1
AN:
12362
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
3622
European-Non Finnish (NFE)
AF:
0.0000575
AC:
51
AN:
886310
Other (OTH)
AF:
0.0000272
AC:
1
AN:
36752
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.468
Heterozygous variant carriers
0
4
8
13
17
21
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<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:
0.0000614
AC:
9
AN:
146628
Hom.:
0
Cov.:
32
AF XY:
0.0000421
AC XY:
3
AN XY:
71312
show subpopulations
African (AFR)
AF:
0.0000244
AC:
1
AN:
40924
American (AMR)
AF:
0.00
AC:
0
AN:
14766
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3396
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5086
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4818
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
8494
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
312
European-Non Finnish (NFE)
AF:
0.000121
AC:
8
AN:
65900
Other (OTH)
AF:
0.00
AC:
0
AN:
2020
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.481
Heterozygous variant carriers
0
1
2
2
3
4
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.000142
Hom.:
0
Bravo
AF:
0.0000604

ClinVar

Significance: Pathogenic/Likely pathogenic
Submissions summary: Pathogenic:4
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Vertebral anomalies and variable endocrine and T-cell dysfunction Pathogenic:3
Dec 06, 2018
OMIM
Significance:Pathogenic
Review Status:no assertion criteria provided
Collection Method:literature only

- -

Sep 05, 2022
Baylor Genetics
Significance:Likely pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

May 04, 2022
Mendelics
Significance:Pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

TBX2-related disorder Pathogenic:1
Feb 24, 2016
Undiagnosed Diseases Network, NIH
Significance:Pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This family has been reported in PMID: 29726930 (family 1). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.31
BayesDel_addAF
Uncertain
0.11
D
BayesDel_noAF
Uncertain
-0.080
CADD
Pathogenic
33
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.58
D
Eigen
Uncertain
0.20
Eigen_PC
Benign
0.092
FATHMM_MKL
Uncertain
0.94
D
LIST_S2
Uncertain
0.91
D
M_CAP
Pathogenic
0.88
D
MetaRNN
Uncertain
0.56
D
MetaSVM
Uncertain
0.47
D
MutationAssessor
Benign
1.9
L
PhyloP100
6.0
PrimateAI
Pathogenic
0.93
D
PROVEAN
Benign
-2.2
N
REVEL
Uncertain
0.50
Sift
Uncertain
0.0020
D
Sift4G
Benign
0.13
T
Polyphen
1.0
D
Vest4
0.33
MutPred
0.28
Loss of methylation at R20 (P = 0.0306);
MVP
0.49
ClinPred
0.95
D
GERP RS
2.5
PromoterAI
0.018
Neutral
Varity_R
0.68
gMVP
0.76
Mutation Taster
=33/67
disease causing (ClinVar)

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: rs1364709483; hg19: chr17-59477596; API