rs2239689

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1

The NM_001365276.2(TNXB):​c.6842-24C>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.301 in 1,564,790 control chromosomes in the GnomAD database, including 75,619 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.26 ( 6432 hom., cov: 32)
Exomes 𝑓: 0.31 ( 69187 hom. )

Consequence

TNXB
NM_001365276.2 intron

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: 0.391

Publications

44 publications found
Variant links:
Genes affected
TNXB (HGNC:11976): (tenascin XB) This gene encodes a member of the tenascin family of extracellular matrix glycoproteins. The tenascins have anti-adhesive effects, as opposed to fibronectin which is adhesive. This protein is thought to function in matrix maturation during wound healing, and its deficiency has been associated with the connective tissue disorder Ehlers-Danlos syndrome. This gene localizes to the major histocompatibility complex (MHC) class III region on chromosome 6. It is one of four genes in this cluster which have been duplicated. The duplicated copy of this gene is incomplete and is a pseudogene which is transcribed but does not encode a protein. The structure of this gene is unusual in that it overlaps the CREBL1 and CYP21A2 genes at its 5' and 3' ends, respectively. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]
TNXB Gene-Disease associations (from GenCC):
  • Ehlers-Danlos syndrome
    Inheritance: AR Classification: DEFINITIVE Submitted by: G2P
  • Ehlers-Danlos syndrome due to tenascin-X deficiency
    Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Genomics England PanelApp, Illumina, PanelApp Australia, Orphanet
  • familial vesicoureteral reflux
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • vesicoureteral reflux 8
    Inheritance: AD Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -20 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.9).
BP6
Variant 6-32062507-G-A is Benign according to our data. Variant chr6-32062507-G-A is described in ClinVar as Benign. ClinVar VariationId is 261152.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BA1
GnomAd4 highest subpopulation (AMR) allele frequency at 95% confidence interval = 0.369 is higher than 0.05.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001365276.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
TNXB
NM_001365276.2
MANE Select
c.6842-24C>T
intron
N/ANP_001352205.1
TNXB
NM_001428335.1
c.7583-24C>T
intron
N/ANP_001415264.1
TNXB
NM_019105.8
c.6842-24C>T
intron
N/ANP_061978.6

Ensembl Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
TNXB
ENST00000644971.2
MANE Select
c.6842-24C>T
intron
N/AENSP00000496448.1
TNXB
ENST00000647633.1
c.7583-24C>T
intron
N/AENSP00000497649.1
TNXB
ENST00000375244.7
TSL:5
c.6842-24C>T
intron
N/AENSP00000364393.3

Frequencies

GnomAD3 genomes
AF:
0.257
AC:
39048
AN:
151926
Hom.:
6425
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0601
Gnomad AMI
AF:
0.426
Gnomad AMR
AF:
0.377
Gnomad ASJ
AF:
0.465
Gnomad EAS
AF:
0.205
Gnomad SAS
AF:
0.245
Gnomad FIN
AF:
0.400
Gnomad MID
AF:
0.338
Gnomad NFE
AF:
0.320
Gnomad OTH
AF:
0.252
GnomAD2 exomes
AF:
0.335
AC:
62709
AN:
187348
AF XY:
0.332
show subpopulations
Gnomad AFR exome
AF:
0.0550
Gnomad AMR exome
AF:
0.457
Gnomad ASJ exome
AF:
0.474
Gnomad EAS exome
AF:
0.207
Gnomad FIN exome
AF:
0.406
Gnomad NFE exome
AF:
0.343
Gnomad OTH exome
AF:
0.327
GnomAD4 exome
AF:
0.305
AC:
431406
AN:
1412746
Hom.:
69187
Cov.:
33
AF XY:
0.306
AC XY:
213101
AN XY:
696814
show subpopulations
African (AFR)
AF:
0.0538
AC:
1757
AN:
32628
American (AMR)
AF:
0.441
AC:
16757
AN:
38038
Ashkenazi Jewish (ASJ)
AF:
0.453
AC:
11234
AN:
24800
East Asian (EAS)
AF:
0.251
AC:
9616
AN:
38262
South Asian (SAS)
AF:
0.253
AC:
20421
AN:
80680
European-Finnish (FIN)
AF:
0.387
AC:
19077
AN:
49308
Middle Eastern (MID)
AF:
0.335
AC:
1886
AN:
5638
European-Non Finnish (NFE)
AF:
0.307
AC:
333545
AN:
1084792
Other (OTH)
AF:
0.292
AC:
17113
AN:
58600
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.503
Heterozygous variant carriers
0
16521
33042
49563
66084
82605
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
10784
21568
32352
43136
53920
<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:
0.257
AC:
39061
AN:
152044
Hom.:
6432
Cov.:
32
AF XY:
0.263
AC XY:
19527
AN XY:
74296
show subpopulations
African (AFR)
AF:
0.0600
AC:
2490
AN:
41526
American (AMR)
AF:
0.377
AC:
5761
AN:
15272
Ashkenazi Jewish (ASJ)
AF:
0.465
AC:
1610
AN:
3466
East Asian (EAS)
AF:
0.205
AC:
1061
AN:
5172
South Asian (SAS)
AF:
0.245
AC:
1179
AN:
4818
European-Finnish (FIN)
AF:
0.400
AC:
4218
AN:
10534
Middle Eastern (MID)
AF:
0.346
AC:
101
AN:
292
European-Non Finnish (NFE)
AF:
0.320
AC:
21719
AN:
67944
Other (OTH)
AF:
0.253
AC:
535
AN:
2112
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.500
Heterozygous variant carriers
0
1363
2725
4088
5450
6813
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
406
812
1218
1624
2030
<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:
0.309
Hom.:
26257
Bravo
AF:
0.249
Asia WGS
AF:
0.227
AC:
790
AN:
3478

ClinVar

ClinVar submissions as Germline

Significance:Benign
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
-
1
Ehlers-Danlos syndrome due to tenascin-X deficiency (1)
-
-
1
not provided (1)
-
-
1
not specified (1)
-
-
1
Vesicoureteral reflux 8 (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.90
CADD
Benign
3.3
DANN
Benign
0.58
PhyloP100
0.39
PromoterAI
0.019
Neutral
Mutation Taster
=100/0
polymorphism (auto)

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: rs2239689; hg19: chr6-32030284; COSMIC: COSV64476182; COSMIC: COSV64476182; API