Genetic Variant BCOR:p.Phe1684Leu (chrX-40052325-A-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_001123385.2(BCOR):c.5052T>G(p.Phe1684Leu) variant causes a missense change. The variant allele was found at a frequency of 0.000000911 in 1,098,005 control chromosomes in the GnomAD database, with no homozygous occurrence. There are no hemizygote samples in GnomAD. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 23)

Exomes 𝑓: 9.1e-7 ( 0 hom. 0 hem. )

Consequence

BCOR
NM_001123385.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.23

Variant links:

Genes affected

BCOR (HGNC:20893): (BCL6 corepressor) The protein encoded by this gene was identified as an interacting corepressor of BCL6, a POZ/zinc finger transcription repressor that is required for germinal center formation and may influence apoptosis. This protein selectively interacts with the POZ domain of BCL6, but not with eight other POZ proteins. Specific class I and II histone deacetylases (HDACs) have been shown to interact with this protein, which suggests a possible link between the two classes of HDACs. Several transcript variants encoding different isoforms have been found for this gene. A pseudogene of this gene is found on chromosome Y.[provided by RefSeq, Jun 2010]

BCOR 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
BCOR	NM_001123385.2 link	c.5052T>G	p.Phe1684Leu	missense_variant	Exon 15 of 15	ENST00000378444.9	NP_001116857.1	Q6W2J9-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
BCOR	ENST00000378444.9 link	c.5052T>G	p.Phe1684Leu	missense_variant	Exon 15 of 15	1	NM_001123385.2	ENSP00000367705.4		Q6W2J9-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

9.11e-7

AC:

AN:

1098005

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

363359

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

26397

American (AMR)

AF:

0.00

AC:

AN:

35207

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

19382

East Asian (EAS)

AF:

0.00

AC:

AN:

30205

South Asian (SAS)

AF:

0.00

AC:

AN:

54146

European-Finnish (FIN)

AF:

0.00

AC:

AN:

40534

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4136

European-Non Finnish (NFE)

AF:

0.00000119

AC:

AN:

841911

Other (OTH)

AF:

0.00

AC:

AN:

46087

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Uncertain:1

Jan 01, 2024

CeGaT Center for Human Genetics Tuebingen

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

BCOR: PM2 -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.99

BayesDel_addAF

Pathogenic

0.25

BayesDel_noAF

Uncertain

0.12

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.11

.;T;.;.;D;.

FATHMM_MKL

Uncertain

0.90

LIST_S2

Uncertain

0.91

D;D;.;D;D;D

M_CAP

Benign

0.033

MetaRNN

Uncertain

0.55

D;D;D;D;D;D

MetaSVM

Benign

-0.35

MutationAssessor

Uncertain

2.5

.;.;.;.;M;.

PhyloP100

4.2

PrimateAI

Uncertain

0.73

PROVEAN

Pathogenic

-5.3

D;D;D;D;D;D

REVEL

Benign

0.28

Sift

Benign

0.041

D;D;D;D;D;D

Sift4G

Uncertain

0.010

D;D;D;D;D;D

Polyphen

0.76, 0.21

.;.;P;P;B;P

Vest4

0.78, 0.50, 0.49, 0.48, 0.58

MutPred

0.49

.;.;.;.;Gain of catalytic residue at F1684 (P = 0.0107);.;

MVP

0.95

MPC

0.39

ClinPred

0.97

GERP RS

0.96

Varity_R

0.70

gMVP

0.70

Mutation Taster

=59/41

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

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over