Genetic Variant BAP1:p.Arg389Gly (chr3-52404538-G-C) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_004656.4(BAP1):c.1165C>G(p.Arg389Gly) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,714 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. R389H) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

BAP1
NM_004656.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 5.18

Publications

3 publications found

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 Gene-Disease associations (from GenCC):

BAP1-related tumor predisposition syndrome
Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: ClinGen, Ambry Genetics, G2P, Orphanet, Genomics England PanelApp, Labcorp Genetics (formerly Invitae)
Kury-Isidor syndrome
Inheritance: AD Classification: STRONG, MODERATE Submitted by: Ambry Genetics, G2P
renal cell carcinoma
Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp

BAP1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 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
BAP1	NM_004656.4 link	c.1165C>G	p.Arg389Gly	missense_variant	Exon 12 of 17	ENST00000460680.6	NP_004647.1	Q92560A0A024R305

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
BAP1	ENST00000460680.6 link	c.1165C>G	p.Arg389Gly	missense_variant	Exon 12 of 17	1	NM_004656.4	ENSP00000417132.1	Q92560
BAP1	ENST00000296288.9 link	c.1111C>G	p.Arg371Gly	missense_variant	Exon 12 of 17	5		ENSP00000296288.5	F8W6N3
BAP1	ENST00000490804.1 link	n.593C>G		non_coding_transcript_exon_variant	Exon 2 of 3	2
BAP1	ENST00000469613.5 link	c.-63C>G		upstream_gene_variant		1		ENSP00000418320.1	H7C4V7

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461714

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727142

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33478

American (AMR)

AF:

0.00

AC:

AN:

44706

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26130

East Asian (EAS)

AF:

0.00

AC:

AN:

39698

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86236

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53334

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111980

Other (OTH)

AF:

0.00

AC:

AN:

60384

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.13

BayesDel_addAF

Benign

-0.036

BayesDel_noAF

Benign

-0.29

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.051

T;.

Eigen

Uncertain

0.34

Eigen_PC

Uncertain

0.48

FATHMM_MKL

Uncertain

0.96

LIST_S2

Uncertain

0.87

D;D

M_CAP

Benign

0.022

MetaRNN

Uncertain

0.69

D;D

MetaSVM

Benign

-0.86

MutationAssessor

Benign

1.4

L;.

PhyloP100

5.2

PrimateAI

Uncertain

0.61

PROVEAN

Uncertain

-2.5

N;N

REVEL

Benign

0.18

Sift

Uncertain

0.014

D;D

Sift4G

Benign

0.21

T;T

Polyphen

0.41

B;.

Vest4

0.76

MutPred

0.18

Gain of glycosylation at Y394 (P = 0.0048);.;

MVP

0.71

MPC

0.65

ClinPred

0.88

GERP RS

5.5

PromoterAI

0.017

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.28

gMVP

0.29

Mutation Taster

=87/13

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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over