Genetic Variant THAP7:p.Arg207Gln (chr22-21000190-C-T) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_030573.3(THAP7):c.620G>A(p.Arg207Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000141 in 1,561,452 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R207W) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000014 ( 0 hom. )

Consequence

THAP7
NM_030573.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.426

Variant links:

Genes affected

THAP7 (HGNC:23190): (THAP domain containing 7) Enables several functions, including C2H2 zinc finger domain binding activity; histone binding activity; and histone deacetylase binding activity. Involved in negative regulation of histone acetylation and negative regulation of transcription by RNA polymerase II. Located in nuclear membrane and nuclear speck. [provided by Alliance of Genome Resources, Apr 2022]

THAP7 links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.08252987).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
THAP7	NM_030573.3 link	c.620G>A	p.Arg207Gln	missense_variant	Exon 4 of 4	ENST00000215742.9	NP_085050.2	Q9BT49
THAP7	NM_001008695.1 link	c.620G>A	p.Arg207Gln	missense_variant	Exon 5 of 5		NP_001008695.1	Q9BT49

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
THAP7	ENST00000215742.9 link	c.620G>A	p.Arg207Gln	missense_variant	Exon 4 of 4	1	NM_030573.3	ENSP00000215742.4		Q9BT49

Frequencies

GnomAD3 genomes

AF:

0.0000131

AC:

AN:

152126

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:

0.0000294

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000245

AC:

AN:

163350

Hom.:

AF XY:

0.0000455

AC XY:

AN XY:

87868

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000395

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:

0.0000465

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000142

AC:

AN:

1409326

Hom.:

Cov.:

AF XY:

0.0000187

AC XY:

AN XY:

696478

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.0000274

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:

0.0000166

Gnomad4 OTH exome

AF:

0.0000171

GnomAD4 genome

AF:

0.0000131

AC:

AN:

152126

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74304

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000294

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000330

Hom.:

Bravo

AF:

0.0000227

ExAC

AF:

0.0000175

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Jan 24, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.620G>A (p.R207Q) alteration is located in exon 4 (coding exon 4) of the THAP7 gene. This alteration results from a G to A substitution at nucleotide position 620, causing the arginine (R) at amino acid position 207 to be replaced by a glutamine (Q). 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

0.10

BayesDel_addAF

Benign

-0.16

BayesDel_noAF

Benign

-0.32

CADD

Benign

DANN

Uncertain

0.99

DEOGEN2

Benign

0.0052

T;T

Eigen

Benign

-0.80

Eigen_PC

Benign

-0.71

FATHMM_MKL

Benign

0.31

LIST_S2

Benign

0.78

.;T

M_CAP

Uncertain

0.22

MetaRNN

Benign

0.083

T;T

MetaSVM

Benign

-0.40

MutationAssessor

Benign

0.34

N;N

PrimateAI

Uncertain

0.72

PROVEAN

Benign

-0.27

N;N

REVEL

Benign

0.19

Sift

Benign

0.38

T;T

Sift4G

Benign

0.44

T;T

Polyphen

0.0

B;B

Vest4

0.15

MutPred

0.13

Gain of glycosylation at S210 (P = 0.0872);Gain of glycosylation at S210 (P = 0.0872);

MVP

0.74

MPC

0.48

ClinPred

0.058

GERP RS

2.2

Varity_R

0.033

gMVP

0.37

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.050

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