Genetic Variant TP53BP2:p.Ala189Gly (chr1-223804257-G-C) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_001031685.3(TP53BP2):c.566C>G(p.Ala189Gly) variant causes a missense change. The variant allele was found at a frequency of 0.0000434 in 1,613,938 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. A189V) has been classified as Benign.

Frequency

Genomes: 𝑓 0.000066 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000041 ( 0 hom. )

Consequence

TP53BP2
NM_001031685.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 6.60

Publications

16 publications found

Variant links:

Genes affected

TP53BP2 (HGNC:12000): (tumor protein p53 binding protein 2) This gene encodes a member of the ASPP (apoptosis-stimulating protein of p53) family of p53 interacting proteins. The protein contains four ankyrin repeats and an SH3 domain involved in protein-protein interactions. It is localized to the perinuclear region of the cytoplasm, and regulates apoptosis and cell growth through interactions with other regulatory molecules including members of the p53 family. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

TP53BP2 Gene-Disease associations (from GenCC):

Tourette syndrome
Inheritance: Unknown Classification: NO_KNOWN Submitted by: Labcorp Genetics (formerly Invitae)

TP53BP2 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

Splicing predictors support a deleterious effect. Scorers claiming Pathogenic: max_spliceai. No scorers claiming Uncertain. No scorers claiming Benign.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TP53BP2	NM_001031685.3 link	c.566C>G	p.Ala189Gly	missense_variant	Exon 6 of 18	ENST00000343537.12	NP_001026855.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein
TP53BP2	ENST00000343537.12 link	c.566C>G	p.Ala189Gly	missense_variant	Exon 6 of 18	1	NM_001031685.3	ENSP00000341957.7
TP53BP2	ENST00000391878.6 link	c.179C>G	p.Ala60Gly	missense_variant	Exon 7 of 19	1		ENSP00000375750.2
TP53BP2	ENST00000494100.1 link	c.365C>G	p.Ala122Gly	missense_variant	Exon 4 of 5	3		ENSP00000420225.1
TP53BP2	ENST00000496282.5 link	n.459C>G		non_coding_transcript_exon_variant	Exon 5 of 5	3

Frequencies

GnomAD3 genomes

AF:

0.0000657

AC:

AN:

152176

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:

0.000147

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000517

AC:

AN:

251302

AF XY:

0.0000442

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:

0.000114

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000410

AC:

AN:

1461762

Hom.:

Cov.:

AF XY:

0.0000440

AC XY:

AN XY:

727172

show subpopulations

African (AFR)

AF:

0.0000299

AC:

AN:

33470

American (AMR)

AF:

0.0000224

AC:

AN:

44714

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26132

East Asian (EAS)

AF:

0.00

AC:

AN:

39676

South Asian (SAS)

AF:

0.00

AC:

AN:

86234

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53416

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.0000477

AC:

AN:

1111962

Other (OTH)

AF:

0.0000828

AC:

AN:

60390

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.497

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<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:

0.0000657

AC:

AN:

152176

Hom.:

Cov.:

AF XY:

0.0000807

AC XY:

AN XY:

74332

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41422

American (AMR)

AF:

0.00

AC:

AN:

15274

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5206

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10612

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.000147

AC:

AN:

68040

Other (OTH)

AF:

0.00

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.495

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<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:

0.0000136

Hom.:

Bravo

AF:

0.0000302

ExAC

AF:

0.0000906

AC:

EpiCase

AF:

0.00

EpiControl

AF:

0.000119

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.44

BayesDel_addAF

Benign

-0.30

BayesDel_noAF

Benign

-0.36

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.0

.;.

Eigen

Uncertain

0.41

Eigen_PC

Uncertain

0.48

FATHMM_MKL

Pathogenic

0.97

LIST_S2

Uncertain

0.97

D;D

M_CAP

Benign

0.027

MetaRNN

Uncertain

0.59

D;D

MetaSVM

Benign

-0.51

MutationAssessor

Benign

0.0

.;.

PhyloP100

6.6

PrimateAI

Benign

0.45

PROVEAN

Uncertain

-2.6

D;D

REVEL

Benign

0.20

Sift

Pathogenic

0.0

D;D

Sift4G

Pathogenic

0.0010

D;D

Vest4

0.59

ClinPred

0.70

GERP RS

5.3

gMVP

0.27

Mutation Taster

=85/15

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.56

Details are displayed if max score is > 0.2

DS_DG_spliceai

0.56

Position offset: 1

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over