3-187729179-G-A
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Variant summary
Our verdict is Benign. Variant got -8 ACMG points: 0P and 8B. BP4_StrongBS2
The NM_001706.5(BCL6):c.1226C>T(p.Thr409Met) variant causes a missense change. The variant allele was found at a frequency of 0.0000818 in 1,613,260 control chromosomes in the GnomAD database, including 1 homozygotes. 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 Uncertain significance (★).
Frequency
Genomes: 𝑓 0.000079 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000082 ( 1 hom. )
Consequence
BCL6
NM_001706.5 missense
NM_001706.5 missense
Scores
19
Clinical Significance
Conservation
PhyloP100: 4.06
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]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -8 ACMG points.
BP4
Computational evidence support a benign effect (MetaRNN=0.043126315).
BS2
High AC in GnomAd4 at 12 AD gene.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
BCL6 | NM_001706.5 | c.1226C>T | p.Thr409Met | missense_variant | 5/10 | ENST00000406870.7 | NP_001697.2 | |
LOC100131635 | NR_034062.1 | n.294-3192G>A | intron_variant, non_coding_transcript_variant |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
BCL6 | ENST00000406870.7 | c.1226C>T | p.Thr409Met | missense_variant | 5/10 | 1 | NM_001706.5 | ENSP00000384371 | P1 | |
ENST00000449623.5 | n.347-4345G>A | intron_variant, non_coding_transcript_variant | 2 |
Frequencies
GnomAD3 genomes AF: 0.0000788 AC: 12AN: 152204Hom.: 0 Cov.: 32
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GnomAD3 exomes AF: 0.000160 AC: 40AN: 250626Hom.: 0 AF XY: 0.000170 AC XY: 23AN XY: 135438
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GnomAD4 exome AF: 0.0000821 AC: 120AN: 1461056Hom.: 1 Cov.: 30 AF XY: 0.0000963 AC XY: 70AN XY: 726766
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GnomAD4 genome AF: 0.0000788 AC: 12AN: 152204Hom.: 0 Cov.: 32 AF XY: 0.000148 AC XY: 11AN XY: 74350
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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 | Aug 13, 2021 | The c.1226C>T (p.T409M) 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 1226, causing the threonine (T) at amino acid position 409 to be replaced by a methionine (M). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
BayesDel_addAF
Benign
T
BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
DEOGEN2
Benign
.;T;T;.
Eigen
Benign
Eigen_PC
Benign
FATHMM_MKL
Benign
D
LIST_S2
Benign
T;.;T;.
M_CAP
Benign
T
MetaRNN
Benign
T;T;T;T
MetaSVM
Benign
T
MutationAssessor
Benign
N;N;N;N
MutationTaster
Benign
N;N;N
PrimateAI
Benign
T
PROVEAN
Benign
.;N;N;N
REVEL
Benign
Sift
Benign
.;T;T;T
Sift4G
Benign
T;T;T;T
Polyphen
0.0020
.;B;B;.
Vest4
MVP
MPC
0.19
ClinPred
T
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Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at