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16-3025804-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 5 ACMG points: 5P and 0B. PM2PP3_ModeratePP5

The NM_024339.5(THOC6):c.136G>A(p.Gly46Arg) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000186 in 1,614,036 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 (no stars).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

THOC6
NM_024339.5 missense

Scores

10
6
2

Clinical Significance

Pathogenic no assertion criteria provided P:1O:1

Conservation

PhyloP100: 8.91
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 Uncertain_significance. Variant got 5 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.865
PP5
Variant 16-3025804-G-A is Pathogenic according to our data. Variant chr16-3025804-G-A is described in ClinVar as [Pathogenic]. Clinvar id is 64681.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr16-3025804-G-A is described in Lovd as [Likely_pathogenic]. Variant chr16-3025804-G-A is described in Lovd as [Pathogenic].

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
THOC6NM_024339.5 linkuse as main transcriptc.136G>A p.Gly46Arg missense_variant 2/13 ENST00000326266.13
THOC6NM_001347704.2 linkuse as main transcriptc.136G>A p.Gly46Arg missense_variant 3/14
THOC6NM_001347703.2 linkuse as main transcriptc.64G>A p.Gly22Arg missense_variant 3/14
THOC6NM_001142350.3 linkuse as main transcriptc.136G>A p.Gly46Arg missense_variant 2/12

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
THOC6ENST00000326266.13 linkuse as main transcriptc.136G>A p.Gly46Arg missense_variant 2/131 NM_024339.5 P1Q86W42-1

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
GnomAD3 exomes
AF:
0.00000398
AC:
1
AN:
251478
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135914
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:
0.00000879
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000137
AC:
2
AN:
1461874
Hom.:
0
Cov.:
36
AF XY:
0.00000138
AC XY:
1
AN XY:
727240
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:
0.00000180
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152162
Hom.:
0
Cov.:
33
AF XY:
0.0000135
AC XY:
1
AN XY:
74342
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
ExAC
AF:
0.00000824
AC:
1
EpiCase
AF:
0.0000545
EpiControl
AF:
0.00

ClinVar

Significance: Pathogenic
Submissions summary: Pathogenic:1Other:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

THOC6-related developmental delay-microcephaly-facial dysmorphism syndrome Pathogenic:1Other:1
not provided, no classification providedliterature onlyGeneReviews-Founder variant in the Hutterite population -
Pathogenic, no assertion criteria providedliterature onlyOMIMApr 26, 2013- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.97
BayesDel_addAF
Pathogenic
0.36
D
BayesDel_noAF
Pathogenic
0.29
Cadd
Pathogenic
33
Dann
Pathogenic
1.0
DEOGEN2
Benign
0.30
T;.;.;.
Eigen
Pathogenic
0.82
Eigen_PC
Pathogenic
0.78
FATHMM_MKL
Uncertain
0.94
D
LIST_S2
Uncertain
0.96
D;.;D;D
M_CAP
Uncertain
0.21
D
MetaRNN
Pathogenic
0.86
D;D;D;D
MetaSVM
Uncertain
-0.14
T
MutationAssessor
Uncertain
2.6
M;.;.;M
MutationTaster
Benign
1.0
D;D;D;D
PrimateAI
Pathogenic
0.83
D
PROVEAN
Pathogenic
-7.5
D;.;.;D
REVEL
Uncertain
0.61
Sift4G
Pathogenic
0.0
D;D;D;D
Polyphen
1.0
D;.;.;D
Vest4
0.93
MutPred
0.50
Gain of solvent accessibility (P = 0.1319);.;.;Gain of solvent accessibility (P = 0.1319);
MVP
0.89
MPC
0.54
ClinPred
0.99
D
GERP RS
5.3
Varity_R
0.92
gMVP
0.72

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.020
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: rs587777030; hg19: chr16-3075805; API