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GeneBe

16-3027379-G-T

Variant summary

Our verdict is Likely pathogenic. Variant got 8 ACMG points: 8P and 0B. PM1PM2PM5PP3_Moderate

The NM_024339.5(THOC6):​c.824G>T​(p.Gly275Val) variant causes a missense change. The variant allele was found at a frequency of 0.000000685 in 1,460,488 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. G275D) has been classified as Likely pathogenic.

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

THOC6
NM_024339.5 missense

Scores

4
9
5

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 4.15
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 Likely_pathogenic. Variant got 8 ACMG points.

PM1
In a repeat WD 6 (size 37) in uniprot entity THOC6_HUMAN there are 5 pathogenic changes around while only 0 benign (100%) in NM_024339.5
PM2
Very rare variant in population databases, with high coverage;
PM5
Other missense variant is known to change same aminoacid residue: Variant chr16-3027379-G-A is described in ClinVar as [Likely_pathogenic]. Clinvar id is 521349.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
PP3
MetaRNN computational evidence supports a deleterious effect, 0.921

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
THOC6NM_024339.5 linkuse as main transcriptc.824G>T p.Gly275Val missense_variant 12/13 ENST00000326266.13
THOC6NM_001347704.2 linkuse as main transcriptc.824G>T p.Gly275Val missense_variant 13/14
THOC6NM_001347703.2 linkuse as main transcriptc.752G>T p.Gly251Val missense_variant 13/14
THOC6NM_001142350.3 linkuse as main transcriptc.810+99G>T intron_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
THOC6ENST00000326266.13 linkuse as main transcriptc.824G>T p.Gly275Val missense_variant 12/131 NM_024339.5 P1Q86W42-1
THOC6ENST00000574549.5 linkuse as main transcriptc.752G>T p.Gly251Val missense_variant 13/141 Q86W42-2
THOC6ENST00000575576.5 linkuse as main transcriptc.752G>T p.Gly251Val missense_variant 12/135 Q86W42-2
THOC6ENST00000253952.9 linkuse as main transcriptc.810+99G>T intron_variant 2 Q86W42-3

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD3 exomes
AF:
0.00000400
AC:
1
AN:
249820
Hom.:
0
AF XY:
0.00000739
AC XY:
1
AN XY:
135282
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:
0.00000885
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
6.85e-7
AC:
1
AN:
1460488
Hom.:
0
Cov.:
38
AF XY:
0.00000138
AC XY:
1
AN XY:
726406
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:
9.00e-7
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
33
ExAC
AF:
0.00000824
AC:
1
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.96
BayesDel_addAF
Pathogenic
0.26
D
BayesDel_noAF
Uncertain
0.13
CADD
Uncertain
25
DANN
Uncertain
0.99
DEOGEN2
Benign
0.31
T;.;.
Eigen
Uncertain
0.49
Eigen_PC
Uncertain
0.44
FATHMM_MKL
Uncertain
0.92
D
LIST_S2
Benign
0.85
D;.;D
M_CAP
Benign
0.084
D
MetaRNN
Pathogenic
0.92
D;D;D
MetaSVM
Benign
-0.76
T
MutationAssessor
Uncertain
2.8
M;.;.
MutationTaster
Benign
1.0
D;D;D;D
PrimateAI
Uncertain
0.63
T
PROVEAN
Pathogenic
-7.0
D;.;.
REVEL
Uncertain
0.50
Sift4G
Uncertain
0.0020
D;D;D
Polyphen
0.96
D;.;.
Vest4
0.94
MutPred
0.72
Loss of catalytic residue at G275 (P = 0.0977);.;.;
MVP
0.66
MPC
0.55
ClinPred
0.93
D
GERP RS
4.4
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.97
gMVP
0.75

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: rs200426926; hg19: chr16-3077380; API