Variant 3-187729072-G-A details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 0P and 4B. BS2

The NM_001706.5(BCL6):c.1333C>T(p.Arg445Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000164 in 1,528,884 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000017 ( 0 hom. )

Consequence

BCL6
NM_001706.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.06

Variant links:

Genes affected

BCL6 (HGNC:1001): (BCL6 transcription repressor) The protein encoded by this gene is a zinc finger transcription factor and contains an N-terminal POZ domain. This protein acts as a sequence-specific repressor of transcription, and has been shown to modulate the transcription of STAT-dependent IL-4 responses of B cells. This protein can interact with a variety of POZ-containing proteins that function as transcription corepressors. This gene is found to be frequently translocated and hypermutated in diffuse large-cell lymphoma (DLCL), and may be involved in the pathogenesis of DLCL. Alternatively spliced transcript variants encoding different protein isoforms have been found for this gene. [provided by RefSeq, Aug 2015]

BCL6 links:

(HGNC:):

links:

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

BS2

High AC in GnomAdExome4 at 24 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
BCL6	NM_001706.5 linkuse as main transcript	c.1333C>T	p.Arg445Trp	missense_variant	5/10	ENST00000406870.7	NP_001697.2
LOC100131635	NR_034062.1 linkuse as main transcript	n.294-3299G>A		intron_variant, non_coding_transcript_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
BCL6	ENST00000406870.7 linkuse as main transcript	c.1333C>T	p.Arg445Trp	missense_variant	5/10	1	NM_001706.5	ENSP00000384371	P1	P41182-1
	ENST00000449623.5 linkuse as main transcript	n.347-4452G>A		intron_variant, non_coding_transcript_variant		2

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152128

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:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.00000541

AC:

AN:

184910

Hom.:

AF XY:

0.0000103

AC XY:

AN XY:

97190

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 SAS exome

AF:

0.0000636

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000174

AC:

AN:

1376756

Hom.:

Cov.:

AF XY:

0.0000222

AC XY:

AN XY:

675802

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.000237

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000560

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152128

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74308

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:

0.000207

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.0000151

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Apr 25, 2023

The c.1333C>T (p.R445W) alteration is located in exon 5 (coding exon 3) of the BCL6 gene. This alteration results from a C to T substitution at nucleotide position 1333, causing the arginine (R) at amino acid position 445 to be replaced by a tryptophan (W). 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

Uncertain

0.42

BayesDel_addAF

Benign

-0.011

BayesDel_noAF

Uncertain

-0.070

CADD

Pathogenic

DANN

Pathogenic

1.0

DEOGEN2

Uncertain

0.72

.;D;D;.

Eigen

Uncertain

0.40

Eigen_PC

Uncertain

0.41

FATHMM_MKL

Uncertain

0.93

LIST_S2

Uncertain

0.96

D;.;D;.

M_CAP

Benign

0.046

MetaRNN

Uncertain

0.62

D;D;D;D

MetaSVM

Benign

-1.1

MutationAssessor

Benign

0.97

L;L;L;L

MutationTaster

Benign

1.0

D;D;D

PrimateAI

Pathogenic

0.85

PROVEAN

Uncertain

-3.2

.;D;D;D

REVEL

Benign

0.25

Sift

Benign

0.031

.;D;D;D

Sift4G

Uncertain

0.034

D;D;D;D

Polyphen

1.0

.;D;D;.

Vest4

0.77

MutPred

0.35

Gain of glycosylation at S444 (P = 0.0411);Gain of glycosylation at S444 (P = 0.0411);Gain of glycosylation at S444 (P = 0.0411);Gain of glycosylation at S444 (P = 0.0411);

MVP

0.66

MPC

0.65

ClinPred

0.95

GERP RS

3.6

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.25

gMVP

0.42

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

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