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GeneBe

X-123614163-T-C

Variant summary

Our verdict is Benign. Variant got -17 ACMG points: 0P and 17B. BP4_StrongBP6_Very_StrongBP7BS2

The NM_001081550.2(THOC2):c.4338A>G(p.Pro1446=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000288 in 1,192,603 control chromosomes in the GnomAD database, including 2 homozygotes. There are 170 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.000099 ( 0 hom., 8 hem., cov: 22)
Exomes 𝑓: 0.00031 ( 2 hom. 162 hem. )

Consequence

THOC2
NM_001081550.2 synonymous

Scores

2

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 3.05
Variant links:
Genes affected
THOC2 (HGNC:19073): (THO complex subunit 2) The TREX multiprotein complex binds specifically to spliced mRNAs to facilitate mRNA export. The protein encoded by this gene is a member of the THO complex, a subset of the TREX complex. The encoded protein interacts with the THOC1 protein.[provided by RefSeq, Jun 2010]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -17 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.48).
BP6
Variant X-123614163-T-C is Benign according to our data. Variant chrX-123614163-T-C is described in ClinVar as [Likely_benign]. Clinvar id is 788159.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=3.05 with no splicing effect.
BS2
High Hemizygotes in GnomAd at 8 XL gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
THOC2NM_001081550.2 linkuse as main transcriptc.4338A>G p.Pro1446= synonymous_variant 34/39 ENST00000245838.13

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
THOC2ENST00000245838.13 linkuse as main transcriptc.4338A>G p.Pro1446= synonymous_variant 34/395 NM_001081550.2 P1Q8NI27-1

Frequencies

GnomAD3 genomes
AF:
0.0000991
AC:
11
AN:
110967
Hom.:
0
Cov.:
22
AF XY:
0.000240
AC XY:
8
AN XY:
33319
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:
0.00417
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000796
AC:
138
AN:
173396
Hom.:
2
AF XY:
0.00101
AC XY:
61
AN XY:
60342
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:
0.00776
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000127
Gnomad OTH exome
AF:
0.000474
GnomAD4 exome
AF:
0.000307
AC:
332
AN:
1081584
Hom.:
2
Cov.:
27
AF XY:
0.000464
AC XY:
162
AN XY:
348826
show subpopulations
Gnomad4 AFR exome
AF:
0.0000386
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00580
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000600
Gnomad4 OTH exome
AF:
0.000726
GnomAD4 genome
AF:
0.0000991
AC:
11
AN:
111019
Hom.:
0
Cov.:
22
AF XY:
0.000240
AC XY:
8
AN XY:
33381
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:
0.00418
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000434
Hom.:
0
Bravo
AF:
0.0000453

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

X-linked intellectual disability-short stature-overweight syndrome Benign:1
Likely benign, criteria provided, single submitterclinical testingFulgent Genetics, Fulgent GeneticsOct 08, 2021- -
not provided Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeJul 11, 2018- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.48
Cadd
Benign
11
Dann
Benign
0.73
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7

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: rs367878305; hg19: chrX-122748014; API