rs374746213

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 1P and 13B. PP2BP4_StrongBP6BS1BS2

The NM_004656.4(BAP1):c.1330A>G(p.Thr444Ala) variant causes a missense change. The variant allele was found at a frequency of 0.0000415 in 1,614,090 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. T444I) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00025 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000020 ( 0 hom. )

Consequence

BAP1
NM_004656.4 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:6

Conservation

PhyloP100: 3.78

Variant links:

Genes affected

BAP1 (HGNC:950): (BRCA1 associated protein 1) This gene belongs to the ubiquitin C-terminal hydrolase subfamily of deubiquitinating enzymes that are involved in the removal of ubiquitin from proteins. The encoded enzyme binds to the breast cancer type 1 susceptibility protein (BRCA1) via the RING finger domain of the latter and acts as a tumor suppressor. In addition, the enzyme may be involved in regulation of transcription, regulation of cell cycle and growth, response to DNA damage and chromatin dynamics. Germline mutations in this gene may be associated with tumor predisposition syndrome (TPDS), which involves increased risk of cancers including malignant mesothelioma, uveal melanoma and cutaneous melanoma. [provided by RefSeq, May 2013]

BAP1 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -12 ACMG points.

PP2

Missense variant where missense usually causes diseases, BAP1

BP4

Computational evidence support a benign effect (MetaRNN=0.042102933).

BP6

Variant 3-52403815-T-C is Benign according to our data. Variant chr3-52403815-T-C is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 412441.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=6, Uncertain_significance=2}.

BS1

Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00025 (38/152232) while in subpopulation AFR AF= 0.000915 (38/41526). AF 95% confidence interval is 0.000685. There are 0 homozygotes in gnomad4. There are 21 alleles in male gnomad4 subpopulation. This position pass quality control queck.

BS2

High AC in GnomAd at 38 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
BAP1	NM_004656.4 linkuse as main transcript	c.1330A>G	p.Thr444Ala	missense_variant	13/17	ENST00000460680.6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris
BAP1	ENST00000460680.6 linkuse as main transcript	c.1330A>G	p.Thr444Ala	missense_variant	13/17	1	NM_004656.4	P1
BAP1	ENST00000469613.5 linkuse as main transcript	c.106A>G	p.Thr36Ala	missense_variant	2/5	1
BAP1	ENST00000296288.9 linkuse as main transcript	c.1276A>G	p.Thr426Ala	missense_variant	13/17	5
BAP1	ENST00000490804.1 linkuse as main transcript	n.758A>G		non_coding_transcript_exon_variant	3/3	2

Frequencies

GnomAD3 genomes

AF:

0.000250

AC:

AN:

152114

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000918

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000636

AC:

AN:

251438

Hom.:

AF XY:

0.0000294

AC XY:

AN XY:

135890

show subpopulations

Gnomad AFR exome

AF:

0.000800

Gnomad AMR exome

AF:

0.0000867

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:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000198

AC:

AN:

1461858

Hom.:

Cov.:

AF XY:

0.00000963

AC XY:

AN XY:

727226

show subpopulations

Gnomad4 AFR exome

AF:

0.000687

Gnomad4 AMR exome

AF:

0.0000447

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:

0.00

Gnomad4 OTH exome

AF:

0.0000662

GnomAD4 genome

AF:

0.000250

AC:

AN:

152232

Hom.:

Cov.:

AF XY:

0.000282

AC XY:

AN XY:

74440

show subpopulations

Gnomad4 AFR

AF:

0.000915

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:

0.00

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.000460

Hom.:

Bravo

AF:

0.000268

ESP6500AA

AF:

0.00113

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.000107

AC:

Asia WGS

AF:

0.000289

AC:

AN:

3478

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:2Benign:6

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

BAP1-related tumor predisposition syndrome

Uncertain:1Benign:1

Likely benign, criteria provided, single submitter	clinical testing	Invitae	Jan 30, 2024	- -
Uncertain significance, criteria provided, single submitter	clinical testing	St. Jude Molecular Pathology, St. Jude Children's Research Hospital	May 12, 2022	The BAP1 c.1330A>G (p.Thr444Ala) missense change has a maximum subpopulation frequency of 0.096% in gnomAD v2.1.1 (https://gnomad.broadinstitute.org/). It is predicted to have a benign effect on protein function (BP4), but to our knowledge this prediction has not been confirmed by functional studies. To our knowledge, this variant has not been reported in individuals with BAP1-related conditions. Five individuals with this variant are reported in a database of women older than 70 years of age who have never had cancer (FLOSSIES, https://whi.color.com/). In summary, this variant meets criteria to be classified as of uncertain significance based on the ACMG/AMP criteria: BP4. -

not provided

Benign:2

Likely benign, criteria provided, single submitter	clinical testing	Quest Diagnostics Nichols Institute San Juan Capistrano	Jan 25, 2023	- -
Likely benign, criteria provided, single submitter	clinical testing	GeneDx	Apr 25, 2021	- -

Hereditary cancer-predisposing syndrome

Benign:2

Likely benign, criteria provided, single submitter	clinical testing	Color Diagnostics, LLC DBA Color Health	Jun 27, 2016	- -
Likely benign, criteria provided, single submitter	clinical testing	Ambry Genetics	Mar 31, 2021	This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Genetic Services Laboratory, University of Chicago

May 30, 2017

- -

BAP1-related disorder

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

PreventionGenetics, part of Exact Sciences

Dec 11, 2023

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.13

BayesDel_addAF

Benign

-0.42

BayesDel_noAF

Benign

-0.41

Cadd

Benign

Dann

Benign

0.88

DEOGEN2

Benign

0.018

T;.

Eigen

Benign

-0.14

Eigen_PC

Benign

0.11

FATHMM_MKL

Uncertain

0.85

LIST_S2

Benign

0.78

T;T

M_CAP

Benign

0.0061

MetaRNN

Benign

0.042

T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

-0.55

N;.

MutationTaster

Benign

1.0

D;D

PrimateAI

Uncertain

0.62

PROVEAN

Benign

0.33

N;N

REVEL

Benign

0.048

Sift

Benign

0.24

T;T

Sift4G

Benign

0.80

T;T

Polyphen

0.024

B;.

Vest4

0.47

MVP

0.64

MPC

0.37

ClinPred

0.049

GERP RS

6.0

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.078

gMVP

0.56

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.070

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