Genetic Variant THAP8:p.Leu148Pro (chr19-36039552-A-G) – ACMG Classification: Uncertain_significance (1 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_152658.3(THAP8):c.443T>C(p.Leu148Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000353 in 1,528,072 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000046 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000034 ( 0 hom. )

Consequence

THAP8
NM_152658.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.11

Publications

0 publications found

Variant links:

Genes affected

THAP8 (HGNC:23191): (THAP domain containing 8) Predicted to enable DNA binding activity and metal ion binding activity. [provided by Alliance of Genome Resources, Apr 2022]

THAP8 links:

ENSG00000267698 (HGNC:):

ENSG00000267698 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.2950589).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
THAP8	NM_152658.3 link	c.443T>C	p.Leu148Pro	missense_variant	Exon 3 of 4	ENST00000292894.2	NP_689871.1	Q8NA92

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
THAP8	ENST00000292894.2 link	c.443T>C	p.Leu148Pro	missense_variant	Exon 3 of 4	1	NM_152658.3	ENSP00000292894.1		Q8NA92

Frequencies

GnomAD3 genomes

AF:

0.0000460

AC:

AN:

152202

Hom.:

Cov.:

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:

0.000103

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000278

AC:

AN:

143742

AF XY:

0.0000396

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 FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000695

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000342

AC:

AN:

1375870

Hom.:

Cov.:

AF XY:

0.0000340

AC XY:

AN XY:

675828

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

31142

American (AMR)

AF:

0.00

AC:

AN:

32960

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

22802

East Asian (EAS)

AF:

0.00

AC:

AN:

36402

South Asian (SAS)

AF:

0.00

AC:

AN:

76054

European-Finnish (FIN)

AF:

0.00

AC:

AN:

48920

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5526

European-Non Finnish (NFE)

AF:

0.0000432

AC:

AN:

1065428

Other (OTH)

AF:

0.0000177

AC:

AN:

56636

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.487

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000460

AC:

AN:

152202

Hom.:

Cov.:

AF XY:

0.0000403

AC XY:

AN XY:

74360

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41466

American (AMR)

AF:

0.00

AC:

AN:

15286

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5184

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10624

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.000103

AC:

AN:

68016

Other (OTH)

AF:

0.00

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.518

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.000102

Hom.:

Bravo

AF:

0.0000453

TwinsUK

AF:

0.00

AC:

ALSPAC

AF:

0.000519

AC:

ExAC

AF:

0.00000848

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Dec 15, 2024

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.443T>C (p.L148P) alteration is located in exon 3 (coding exon 3) of the THAP8 gene. This alteration results from a T to C substitution at nucleotide position 443, causing the leucine (L) at amino acid position 148 to be replaced by a proline (P). 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

Benign

0.15

BayesDel_addAF

Benign

-0.053

BayesDel_noAF

Benign

-0.13

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.015

Eigen

Benign

-0.072

Eigen_PC

Benign

-0.20

FATHMM_MKL

Benign

0.16

LIST_S2

Benign

0.40

M_CAP

Pathogenic

0.43

MetaRNN

Benign

0.30

MetaSVM

Uncertain

-0.036

MutationAssessor

Benign

1.1

PhyloP100

1.1

PrimateAI

Uncertain

0.64

PROVEAN

Benign

-1.2

REVEL

Benign

0.27

Sift

Uncertain

0.0050

Sift4G

Benign

0.10

Polyphen

1.0

Vest4

0.18

MVP

0.75

MPC

0.48

ClinPred

0.33

GERP RS

3.5

Varity_R

0.20

gMVP

0.29

Mutation Taster

=89/11

polymorphism

(source)

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

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19-36039552-A-G

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over