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GeneBe

16-52446203-C-G

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001080430.4(TOX3):c.697G>C(p.Ala233Pro) variant causes a missense change. The variant allele was found at a frequency of 0.00000657 in 152,162 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)

Consequence

TOX3
NM_001080430.4 missense

Scores

3
14

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.69
Variant links:
Genes affected
TOX3 (HGNC:11972): (TOX high mobility group box family member 3) The protein encoded by this gene contains an HMG-box, indicating that it may be involved in bending and unwinding of DNA and alteration of chromatin structure. The C-terminus of the encoded protein is glutamine-rich due to CAG repeats in the coding sequence. A minor allele of this gene has been implicated in an elevated risk of breast cancer. Two transcript variants encoding different isoforms have been found for this gene.[provided by RefSeq, Apr 2009]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.04344037).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TOX3NM_001080430.4 linkuse as main transcriptc.697G>C p.Ala233Pro missense_variant 5/7 ENST00000219746.14

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TOX3ENST00000219746.14 linkuse as main transcriptc.697G>C p.Ala233Pro missense_variant 5/72 NM_001080430.4 A2O15405-1
TOX3ENST00000407228.7 linkuse as main transcriptc.682G>C p.Ala228Pro missense_variant 6/82 P2O15405-2

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152162
Hom.:
0
Cov.:
33
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:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD4 exome
Cov.:
31
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152162
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
74316
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000712
Hom.:
0
Bravo
AF:
0.00000378

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsNov 29, 2021The c.697G>C (p.A233P) alteration is located in exon 5 (coding exon 5) of the TOX3 gene. This alteration results from a G to C substitution at nucleotide position 697, causing the alanine (A) at amino acid position 233 to be replaced by a proline (P). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.086
BayesDel_addAF
Benign
-0.28
T
BayesDel_noAF
Benign
-0.64
Cadd
Benign
21
Dann
Benign
0.83
Eigen
Benign
-0.46
Eigen_PC
Benign
-0.18
FATHMM_MKL
Uncertain
0.86
D
LIST_S2
Uncertain
0.86
D;D
M_CAP
Benign
0.0033
T
MetaRNN
Benign
0.043
T;T
MetaSVM
Benign
-0.96
T
MutationTaster
Benign
1.0
D;D
PrimateAI
Uncertain
0.51
T
PROVEAN
Benign
3.1
N;N
REVEL
Benign
0.083
Sift
Benign
1.0
T;T
Sift4G
Benign
0.52
T;T
Polyphen
0.0010
.;B
Vest4
0.18
MutPred
0.24
.;Gain of glycosylation at A233 (P = 0.0433);
MVP
0.043
MPC
0.30
ClinPred
0.70
D
GERP RS
4.7
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.13
gMVP
0.45

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs1401070456; hg19: chr16-52480115; API