18-63318269-A-G

Position:

• chr18-63318269-A-G

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2 PP3_Moderate

The NM_000633.3(BCL2):​c.398T>C​(p.Val133Ala) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as other (no stars).

• Frequency: Genomes: not found (cov: 32)
• Consequence: BCL2 NM_000633.3 missense
• Clinical Significance: - - O:1
• Conservation: PhyloP100: 9.14

Genes affected

BCL2 (HGNC:990): (BCL2 apoptosis regulator) This gene encodes an integral outer mitochondrial membrane protein that blocks the apoptotic death of some cells such as lymphocytes. Constitutive expression of BCL2, such as in the case of translocation of BCL2 to Ig heavy chain locus, is thought to be the cause of follicular lymphoma. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Feb 2016]

ACMG classification

Verdict is Uncertain_significance. Variant got 4 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.934

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
BCL2	NM_000633.3	c.398T>C	p.Val133Ala	missense_variant	2/3	ENST00000333681.5	NP_000624.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
BCL2	ENST00000333681.5	c.398T>C	p.Val133Ala	missense_variant	2/3	1	NM_000633.3	ENSP00000329623.3

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 34

GnomAD4 genome Cov.: 32

ClinVar

Significance: -

Submissions summary: Other:1

Revision: -

Submissions by phenotype

Neoplasm Other:1

-, criteria provided, single submitter

clinical testing

Center for Genomic Medicine, Rigshospitalet, Copenhagen University Hospital

Jul 31, 2024

- -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.96
BayesDel_addAF	Pathogenic	0.25	D
BayesDel_noAF	Uncertain	0.12
CADD	Pathogenic	26
DANN	Uncertain	1.0
DEOGEN2	Uncertain	0.54	D;D;.
Eigen	Pathogenic	0.81
Eigen_PC	Pathogenic	0.70
FATHMM_MKL	Benign	0.44	N
LIST_S2	Uncertain	0.89	.;D;D
M_CAP	Benign	0.066	D
MetaRNN	Pathogenic	0.93	D;D;D
MetaSVM	Benign	-0.91	T
MutationAssessor	Pathogenic	3.1	M;M;M
PrimateAI	Pathogenic	0.79	T
PROVEAN	Uncertain	-3.9	D;D;.
REVEL	Uncertain	0.60
Sift	Pathogenic	0.0	D;D;.
Sift4G	Pathogenic	0.0	D;D;D
Polyphen		1.0	D;D;.
Vest4		0.81
MutPred		0.83		Gain of phosphorylation at T132 (P = 0.1757);Gain of phosphorylation at T132 (P = 0.1757);Gain of phosphorylation at T132 (P = 0.1757);
MVP		0.84
MPC		2.2
ClinPred		1.0	D
GERP RS		4.6
Varity_R		0.96
gMVP		0.98

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr18-60985502; COSMIC: COSV61372485;