chrX-80022417-A-T

Variant summary

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

The NM_001109878.2(TBX22):​c.148A>T​(p.Ser50Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000923 in 1,083,713 control chromosomes in the GnomAD database, with no homozygous occurrence. There are no hemizygote samples in GnomAD. In-silico tool predicts a benign outcome for this variant. 15/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 22)
Exomes 𝑓: 9.2e-7 ( 0 hom. 0 hem. )

Consequence

TBX22
NM_001109878.2 missense

Scores

16

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.564
Variant links:
Genes affected
TBX22 (HGNC:11600): (T-box transcription factor 22) 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. Mutations in this gene have been associated with the inherited X-linked disorder, Cleft palate with ankyloglossia, and it is believed to play a major role in human palatogenesis. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

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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=0.04328212).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
TBX22NM_001109878.2 linkuse as main transcriptc.148A>T p.Ser50Cys missense_variant 2/9 ENST00000373296.8 NP_001103348.1
TBX22NM_016954.2 linkuse as main transcriptc.148A>T p.Ser50Cys missense_variant 1/8 NP_058650.1
TBX22NM_001109879.2 linkuse as main transcriptc.-209A>T 5_prime_UTR_variant 2/9 NP_001103349.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TBX22ENST00000373296.8 linkuse as main transcriptc.148A>T p.Ser50Cys missense_variant 2/95 NM_001109878.2 ENSP00000362393 P1Q9Y458-1
TBX22ENST00000373294.8 linkuse as main transcriptc.148A>T p.Ser50Cys missense_variant 1/81 ENSP00000362390 P1Q9Y458-1
TBX22ENST00000476373.1 linkuse as main transcriptn.269A>T non_coding_transcript_exon_variant 2/23
TBX22ENST00000626498.2 linkuse as main transcriptc.148A>T p.Ser50Cys missense_variant, NMD_transcript_variant 2/92 ENSP00000487527

Frequencies

GnomAD3 genomes
Cov.:
22
GnomAD4 exome
AF:
9.23e-7
AC:
1
AN:
1083713
Hom.:
0
Cov.:
31
AF XY:
0.00
AC XY:
0
AN XY:
352705
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000120
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
22

ClinVar

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

Submissions by phenotype

not provided Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingGeneDxJun 13, 2019Not observed in large population cohorts (Lek et al., 2016); In silico analysis, which includes protein predictors and evolutionary conservation, supports that this variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.063
BayesDel_addAF
Benign
-0.30
T
BayesDel_noAF
Benign
-0.67
CADD
Benign
0.045
DANN
Benign
0.50
DEOGEN2
Benign
0.040
T;T
FATHMM_MKL
Benign
0.048
N
M_CAP
Benign
0.019
T
MetaRNN
Benign
0.043
T;T
MetaSVM
Benign
-0.80
T
MutationAssessor
Benign
1.0
L;L
MutationTaster
Benign
1.0
N;N;N
PrimateAI
Benign
0.33
T
PROVEAN
Benign
-0.33
N;N
REVEL
Benign
0.16
Sift
Benign
0.17
T;T
Sift4G
Benign
0.11
T;T
Polyphen
0.0
B;B
Vest4
0.11
MutPred
0.31
Loss of phosphorylation at S50 (P = 2e-04);Loss of phosphorylation at S50 (P = 2e-04);
MVP
0.10
MPC
0.15
ClinPred
0.061
T
GERP RS
-9.2
Varity_R
0.063
gMVP
0.33

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

No publications associated with this variant yet.

Other links and lift over

hg19: chrX-79277916; API