Genetic Variant THOC5:p.Arg324His (chr22-29528173-C-T) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_003678.5(THOC5):c.971G>A(p.Arg324His) variant causes a missense change. The variant allele was found at a frequency of 0.0000123 in 1,461,882 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.000012 ( 0 hom. )

Consequence

THOC5
NM_003678.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.97

Variant links:

Genes affected

THOC5 (HGNC:19074): (THO complex subunit 5) Predicted to enable mRNA binding activity. Involved in several processes, including monocyte differentiation; negative regulation of DNA damage checkpoint; and viral mRNA export from host cell nucleus. Located in nucleoplasm. Part of THO complex part of transcription export complex. Colocalizes with chromosome, telomeric region. Implicated in breast carcinoma. [provided by Alliance of Genome Resources, Apr 2022]

THOC5 links:

ENSG00000234208 (HGNC:):

ENSG00000234208 links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
THOC5	NM_003678.5 link	c.971G>A	p.Arg324His	missense_variant	Exon 11 of 20	ENST00000490103.6	NP_003669.4	Q13769A0A024R1D6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
THOC5	ENST00000490103.6 link	c.971G>A	p.Arg324His	missense_variant	Exon 11 of 20	1	NM_003678.5	ENSP00000420306.1		Q13769

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.0000199

AC:

AN:

251366

Hom.:

AF XY:

0.0000221

AC XY:

AN XY:

135852

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000163

Gnomad SAS exome

AF:

0.0000653

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000123

AC:

AN:

1461882

Hom.:

Cov.:

AF XY:

0.0000124

AC XY:

AN XY:

727244

show subpopulations

Gnomad4 AFR exome

AF:

0.0000299

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.000101

Gnomad4 SAS exome

AF:

0.0000464

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000629

Gnomad4 OTH exome

AF:

0.0000166

GnomAD4 genome

Cov.:

ExAC

AF:

0.0000330

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Dec 16, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.971G>A (p.R324H) alteration is located in exon 12 (coding exon 10) of the THOC5 gene. This alteration results from a G to A substitution at nucleotide position 971, causing the arginine (R) at amino acid position 324 to be replaced by a histidine (H). 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

0.91

BayesDel_addAF

Benign

-0.25

BayesDel_noAF

Benign

-0.34

CADD

Pathogenic

DANN

Pathogenic

1.0

DEOGEN2

Benign

0.10

T;T;T;T

Eigen

Uncertain

0.67

Eigen_PC

Uncertain

0.66

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Uncertain

0.96

.;.;D;.

M_CAP

Benign

0.027

MetaRNN

Uncertain

0.47

T;T;T;T

MetaSVM

Benign

-0.89

MutationAssessor

Uncertain

2.3

M;M;M;M

PrimateAI

Pathogenic

0.90

PROVEAN

Benign

-1.5

N;N;N;N

REVEL

Benign

0.27

Sift

Uncertain

0.0040

D;D;D;D

Sift4G

Uncertain

0.0080

D;D;D;D

Polyphen

1.0

D;D;D;D

Vest4

0.60

MutPred

0.62

Loss of MoRF binding (P = 0.0762);Loss of MoRF binding (P = 0.0762);Loss of MoRF binding (P = 0.0762);Loss of MoRF binding (P = 0.0762);

MVP

0.53

MPC

0.83

ClinPred

0.79

GERP RS

5.0

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.29

gMVP

0.46

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.15

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over