3-9371409-T-G

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_001114092.2(THUMPD3):ā€‹c.680T>Gā€‹(p.Phe227Cys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000062 in 1,614,016 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 Uncertain significance (ā˜…).

Frequency

Genomes: š‘“ 0.000013 ( 0 hom., cov: 33)
Exomes š‘“: 0.0000055 ( 0 hom. )

Consequence

THUMPD3
NM_001114092.2 missense

Scores

8
10
1

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.94
Variant links:
Genes affected
THUMPD3 (HGNC:24493): (THUMP domain containing 3) Predicted to enable tRNA (guanine) methyltransferase activity. Predicted to be involved in tRNA methylation. Located in cytosol and nucleolus. [provided by Alliance of Genome Resources, Apr 2022]
THUMPD3-AS1 (HGNC:44478): (THUMPD3 antisense RNA 1)

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.921

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
THUMPD3NM_001114092.2 linkc.680T>G p.Phe227Cys missense_variant Exon 4 of 10 ENST00000452837.7 NP_001107564.1 Q9BV44A0A024R2D3

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
THUMPD3ENST00000452837.7 linkc.680T>G p.Phe227Cys missense_variant Exon 4 of 10 1 NM_001114092.2 ENSP00000395893.2 Q9BV44

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
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:
0.000385
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:
0.0000279
AC:
7
AN:
251300
Hom.:
0
AF XY:
0.0000294
AC XY:
4
AN XY:
135834
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000326
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.00000547
AC:
8
AN:
1461854
Hom.:
0
Cov.:
32
AF XY:
0.00000413
AC XY:
3
AN XY:
727218
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000101
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.0000662
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152162
Hom.:
0
Cov.:
33
AF XY:
0.0000135
AC XY:
1
AN XY:
74344
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000385
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000434
Hom.:
0
Bravo
AF:
0.0000113
ExAC
AF:
0.0000412
AC:
5

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsFeb 05, 2024The c.680T>G (p.F227C) alteration is located in exon 4 (coding exon 3) of the THUMPD3 gene. This alteration results from a T to G substitution at nucleotide position 680, causing the phenylalanine (F) at amino acid position 227 to be replaced by a cysteine (C). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.99
BayesDel_addAF
Pathogenic
0.19
D
BayesDel_noAF
Pathogenic
0.34
CADD
Pathogenic
29
DANN
Uncertain
0.99
DEOGEN2
Uncertain
0.43
T;T;T
Eigen
Uncertain
0.60
Eigen_PC
Uncertain
0.61
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.94
.;.;D
M_CAP
Uncertain
0.11
D
MetaRNN
Pathogenic
0.92
D;D;D
MetaSVM
Uncertain
0.40
D
MutationAssessor
Uncertain
2.8
M;M;M
PrimateAI
Uncertain
0.79
T
PROVEAN
Pathogenic
-7.0
D;D;D
REVEL
Pathogenic
0.91
Sift
Uncertain
0.0010
D;D;D
Sift4G
Pathogenic
0.0010
D;D;D
Polyphen
1.0
D;D;D
Vest4
0.83
MutPred
0.84
Loss of glycosylation at T230 (P = 0.0402);Loss of glycosylation at T230 (P = 0.0402);Loss of glycosylation at T230 (P = 0.0402);
MVP
0.94
MPC
0.39
ClinPred
0.91
D
GERP RS
5.9
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.82
gMVP
0.87

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: rs374411226; hg19: chr3-9413093; API