chr16-3026140-T-A

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 1P and 0B. PP5

The NM_024339.5(THOC6):​c.298T>A​(p.Trp100Arg) variant causes a missense change. The variant allele was found at a frequency of 0.000364 in 1,608,356 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.00020 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00038 ( 0 hom. )

Consequence

THOC6
NM_024339.5 missense

Scores

3
10
4

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications P:10U:1

Conservation

PhyloP100: 6.68

Publications

11 publications found
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]
THOC6 Gene-Disease associations (from GenCC):
  • THOC6-related developmental delay-microcephaly-facial dysmorphism syndrome
    Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE, SUPPORTIVE Submitted by: Ambry Genetics, G2P, Orphanet, PanelApp Australia, ClinGen, Labcorp Genetics (formerly Invitae)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PP5
Variant 16-3026140-T-A is Pathogenic according to our data. Variant chr16-3026140-T-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 521347.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_024339.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
THOC6
NM_024339.5
MANE Select
c.298T>Ap.Trp100Arg
missense
Exon 4 of 13NP_077315.2
THOC6
NM_001347704.2
c.298T>Ap.Trp100Arg
missense
Exon 5 of 14NP_001334633.1Q86W42-1
THOC6
NM_001347703.2
c.226T>Ap.Trp76Arg
missense
Exon 5 of 14NP_001334632.1Q86W42-2

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
THOC6
ENST00000326266.13
TSL:1 MANE Select
c.298T>Ap.Trp100Arg
missense
Exon 4 of 13ENSP00000326531.8Q86W42-1
THOC6
ENST00000574549.5
TSL:1
c.226T>Ap.Trp76Arg
missense
Exon 5 of 14ENSP00000458295.1Q86W42-2
THOC6
ENST00000571057.5
TSL:1
n.756T>A
non_coding_transcript_exon
Exon 2 of 4

Frequencies

GnomAD3 genomes
AF:
0.000204
AC:
31
AN:
152176
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000965
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:
0.0000942
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000353
Gnomad OTH
AF:
0.000478
GnomAD2 exomes
AF:
0.000173
AC:
43
AN:
248640
AF XY:
0.000209
show subpopulations
Gnomad AFR exome
AF:
0.0000616
Gnomad AMR exome
AF:
0.0000874
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000544
Gnomad FIN exome
AF:
0.000140
Gnomad NFE exome
AF:
0.000285
Gnomad OTH exome
AF:
0.000331
GnomAD4 exome
AF:
0.000381
AC:
555
AN:
1456062
Hom.:
0
Cov.:
38
AF XY:
0.000359
AC XY:
260
AN XY:
723386
show subpopulations
African (AFR)
AF:
0.0000601
AC:
2
AN:
33292
American (AMR)
AF:
0.0000225
AC:
1
AN:
44452
Ashkenazi Jewish (ASJ)
AF:
0.0000387
AC:
1
AN:
25816
East Asian (EAS)
AF:
0.0000253
AC:
1
AN:
39572
South Asian (SAS)
AF:
0.000198
AC:
17
AN:
85876
European-Finnish (FIN)
AF:
0.000150
AC:
8
AN:
53280
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5744
European-Non Finnish (NFE)
AF:
0.000463
AC:
513
AN:
1107940
Other (OTH)
AF:
0.000200
AC:
12
AN:
60090
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.487
Heterozygous variant carriers
0
36
72
108
144
180
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
24
48
72
96
120
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.000204
AC:
31
AN:
152294
Hom.:
0
Cov.:
33
AF XY:
0.000215
AC XY:
16
AN XY:
74476
show subpopulations
African (AFR)
AF:
0.0000962
AC:
4
AN:
41572
American (AMR)
AF:
0.0000654
AC:
1
AN:
15294
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5180
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4826
European-Finnish (FIN)
AF:
0.0000942
AC:
1
AN:
10620
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.000353
AC:
24
AN:
68010
Other (OTH)
AF:
0.000473
AC:
1
AN:
2116
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.517
Heterozygous variant carriers
0
2
3
5
6
8
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.000373
Hom.:
0
Bravo
AF:
0.000162
TwinsUK
AF:
0.000539
AC:
2
ALSPAC
AF:
0.000519
AC:
2
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000465
AC:
4
ExAC
AF:
0.000222
AC:
27

ClinVar

ClinVar submissions
Significance:Conflicting classifications of pathogenicity
Revision:criteria provided, conflicting classifications
View on ClinVar
Pathogenic
VUS
Benign
Condition
6
-
-
THOC6-related developmental delay-microcephaly-facial dysmorphism syndrome (6)
2
-
-
not provided (2)
-
1
-
Dystonia, early-onset, and/or spastic paraplegia (1)
1
-
-
Inborn genetic diseases (1)
1
-
-
Intellectual disability (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.99
BayesDel_addAF
Uncertain
0.039
T
BayesDel_noAF
Uncertain
0.12
CADD
Pathogenic
30
DANN
Uncertain
1.0
DEOGEN2
Benign
0.32
T
Eigen
Uncertain
0.56
Eigen_PC
Uncertain
0.55
FATHMM_MKL
Uncertain
0.90
D
LIST_S2
Benign
0.78
T
M_CAP
Benign
0.031
D
MetaRNN
Uncertain
0.74
D
MetaSVM
Benign
-0.65
T
MutationAssessor
Uncertain
2.2
M
PhyloP100
6.7
PrimateAI
Uncertain
0.75
T
PROVEAN
Pathogenic
-9.8
D
REVEL
Uncertain
0.39
Sift4G
Pathogenic
0.0
D
Polyphen
1.0
D
Vest4
0.89
MutPred
0.57
Gain of disorder (P = 0.0357)
MVP
0.60
MPC
0.65
ClinPred
0.99
D
GERP RS
5.5
Varity_R
0.96
gMVP
0.92
Mutation Taster
=1/99
disease causing (ClinVar)

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

Other links and lift over

dbSNP: rs138632121; hg19: chr16-3076141; API