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rs763344375

Variant summary

Our verdict is Pathogenic. Variant got 12 ACMG points: 12P and 0B. PVS1PM2PP5_Moderate

The NM_024339.5(THOC6):c.259C>T(p.Arg87Ter) variant causes a stop gained change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000559 in 1,608,782 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Pathogenic (★). Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000055 ( 0 hom. )

Consequence

THOC6
NM_024339.5 stop_gained

Scores

2
2
3

Clinical Significance

Pathogenic criteria provided, single submitter P:2O:1

Conservation

PhyloP100: 0.598
Variant links:
Genes affected
THOC6 (HGNC:28369): (THO complex subunit 6) This gene encodes a subunit of the multi-protein THO complex, which is involved in coordination between transcription and mRNA processing. The THO complex is a component of the TREX (transcription/export) complex, which is involved in transcription and export of mRNAs. A missense mutation in this gene is associated with a neurodevelopmental disorder called Beaulieu-Boycott-Innes syndrome. [provided by RefSeq, Dec 2016]

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ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 12 ACMG points.

PVS1
Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 16-3026101-C-T is Pathogenic according to our data. Variant chr16-3026101-C-T is described in ClinVar as [Pathogenic]. Clinvar id is 520614.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr16-3026101-C-T is described in Lovd as [Pathogenic]. Variant chr16-3026101-C-T is described in Lovd as [Likely_pathogenic].

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
THOC6NM_024339.5 linkuse as main transcriptc.259C>T p.Arg87Ter stop_gained 4/13 ENST00000326266.13
THOC6NM_001347704.2 linkuse as main transcriptc.259C>T p.Arg87Ter stop_gained 5/14
THOC6NM_001347703.2 linkuse as main transcriptc.187C>T p.Arg63Ter stop_gained 5/14
THOC6NM_001142350.3 linkuse as main transcriptc.259C>T p.Arg87Ter stop_gained 4/12

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
THOC6ENST00000326266.13 linkuse as main transcriptc.259C>T p.Arg87Ter stop_gained 4/131 NM_024339.5 P1Q86W42-1

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152150
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000655
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000401
AC:
1
AN:
249292
Hom.:
0
AF XY:
0.00000742
AC XY:
1
AN XY:
134688
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:
0.0000331
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000549
AC:
8
AN:
1456632
Hom.:
0
Cov.:
38
AF XY:
0.00000138
AC XY:
1
AN XY:
723686
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:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000451
Gnomad4 OTH exome
AF:
0.0000333
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152150
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74334
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.0000655
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000756
ExAC
AF:
0.00000824
AC:
1

ClinVar

Significance: Pathogenic
Submissions summary: Pathogenic:2Other:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

THOC6-related developmental delay-microcephaly-facial dysmorphism syndrome Pathogenic:1Other:1
not provided, no classification providedliterature onlyGeneReviews-- -
Pathogenic, no assertion criteria providedliterature onlyOMIMNov 07, 2020- -
Inborn genetic diseases Pathogenic:1
Pathogenic, criteria provided, single submitterclinical testingAmbry GeneticsJan 09, 2015- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Pathogenic
0.34
D
BayesDel_noAF
Pathogenic
0.35
Cadd
Pathogenic
36
Dann
Uncertain
1.0
Eigen
Uncertain
0.44
Eigen_PC
Benign
0.17
FATHMM_MKL
Benign
0.12
N
MutationTaster
Benign
1.0
A;A;A;A
Vest4
0.40
GERP RS
3.5

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

LitVar

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

Other links and lift over

dbSNP: rs763344375; hg19: chr16-3076102; COSMIC: COSV50188158; COSMIC: COSV50188158; API