3-177051590-G-A

Variant summary

Our verdict is Likely benign. Variant got -5 ACMG points: 1P and 6B. PP2BP4_ModerateBS2

The NM_024665.7(TBL1XR1):​c.341C>T​(p.Ala114Val) variant causes a missense change. The variant allele was found at a frequency of 0.00000496 in 1,613,236 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 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: 31)
Exomes 𝑓: 0.0000048 ( 0 hom. )

Consequence

TBL1XR1
NM_024665.7 missense

Scores

2
17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 5.40
Variant links:
Genes affected
TBL1XR1 (HGNC:29529): (TBL1X/Y related 1) This gene is a member of the WD40 repeat-containing gene family and shares sequence similarity with transducin (beta)-like 1X-linked (TBL1X). The protein encoded by this gene is thought to be a component of both nuclear receptor corepressor (N-CoR) and histone deacetylase 3 (HDAC 3) complexes, and is required for transcriptional activation by a variety of transcription factors. Mutations in these gene have been associated with some autism spectrum disorders, and one finding suggests that haploinsufficiency of this gene may be a cause of intellectual disability with dysmorphism. Mutations in this gene as well as recurrent translocations involving this gene have also been observed in some tumors. [provided by RefSeq, Mar 2016]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -5 ACMG points.

PP2
Missense variant in gene, where missense usually causes diseases (based on misZ statistic), TBL1XR1. . Gene score misZ 4.2042 (greater than the threshold 3.09). Trascript score misZ 5.2877 (greater than threshold 3.09). GenCC has associacion of gene with Pierpont syndrome, complex neurodevelopmental disorder, intellectual disability, autosomal dominant 41.
BP4
Computational evidence support a benign effect (MetaRNN=0.13883331).
BS2
High AC in GnomAdExome4 at 7 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
TBL1XR1NM_024665.7 linkuse as main transcriptc.341C>T p.Ala114Val missense_variant 5/16 ENST00000457928.7 NP_078941.2 Q9BZK7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TBL1XR1ENST00000457928.7 linkuse as main transcriptc.341C>T p.Ala114Val missense_variant 5/161 NM_024665.7 ENSP00000413251.3 Q9BZK7

Frequencies

GnomAD3 genomes
AF:
0.00000659
AC:
1
AN:
151826
Hom.:
0
Cov.:
31
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:
0.000194
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
GnomAD3 exomes
AF:
0.00000404
AC:
1
AN:
247652
Hom.:
0
AF XY:
0.00000743
AC XY:
1
AN XY:
134572
show subpopulations
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 SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.000167
GnomAD4 exome
AF:
0.00000479
AC:
7
AN:
1461410
Hom.:
0
Cov.:
31
AF XY:
0.00000550
AC XY:
4
AN XY:
726980
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
8.99e-7
Gnomad4 OTH exome
AF:
0.0000663
GnomAD4 genome
AF:
0.00000659
AC:
1
AN:
151826
Hom.:
0
Cov.:
31
AF XY:
0.00
AC XY:
0
AN XY:
74136
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000194
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000868
Hom.:
0
Bravo
AF:
0.0000113
ExAC
AF:
0.00000828
AC:
1

ClinVar

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

Submissions by phenotype

Pierpont syndrome Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpSep 27, 2023This sequence change replaces alanine, which is neutral and non-polar, with valine, which is neutral and non-polar, at codon 114 of the TBL1XR1 protein (p.Ala114Val). This variant is present in population databases (rs747826896, gnomAD 0.005%). This variant has not been reported in the literature in individuals affected with TBL1XR1-related conditions. ClinVar contains an entry for this variant (Variation ID: 582829). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt TBL1XR1 protein function. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.10
BayesDel_addAF
Benign
-0.069
T
BayesDel_noAF
Benign
-0.34
CADD
Benign
22
DANN
Benign
0.81
DEOGEN2
Benign
0.20
T;T;.;T;.;T;T;T;T;T
Eigen
Benign
-0.54
Eigen_PC
Benign
-0.48
FATHMM_MKL
Uncertain
0.91
D
LIST_S2
Benign
0.79
.;T;T;T;T;T;T;T;T;T
M_CAP
Benign
0.0096
T
MetaRNN
Benign
0.14
T;T;T;T;T;T;T;T;T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Uncertain
2.3
M;M;.;.;.;.;.;.;.;.
PrimateAI
Benign
0.39
T
PROVEAN
Benign
-1.1
N;N;D;D;N;N;D;.;.;N
REVEL
Benign
0.13
Sift
Benign
0.37
T;T;D;D;D;D;D;.;.;T
Sift4G
Benign
0.28
T;T;.;D;.;.;.;.;.;T
Polyphen
0.019
B;B;.;.;.;.;.;.;.;.
Vest4
0.29
MutPred
0.37
Gain of catalytic residue at A114 (P = 0.0802);Gain of catalytic residue at A114 (P = 0.0802);.;.;Gain of catalytic residue at A114 (P = 0.0802);Gain of catalytic residue at A114 (P = 0.0802);.;Gain of catalytic residue at A114 (P = 0.0802);.;Gain of catalytic residue at A114 (P = 0.0802);
MVP
0.55
MPC
1.1
ClinPred
0.050
T
GERP RS
3.7
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.017
gMVP
0.80

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: rs747826896; hg19: chr3-176769378; API