Variant 15-40290834-T-C details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_004573.3(PLCB2):c.3040A>G(p.Ile1014Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000143 in 1,612,648 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/23 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 30)

Exomes 𝑓: 0.000014 ( 0 hom. )

Consequence

PLCB2
NM_004573.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.368

Variant links:

Genes affected

PLCB2 (HGNC:9055): (phospholipase C beta 2) The protein encoded by this gene is a phosphodiesterase that catalyzes the hydrolysis of phosphatidylinositol 4,5-bisphosphate to the second messengers inositol 1,4,5-trisphosphate (IP3) and diacylglycerol. The encoded protein is activated by G proteins and has been shown to be involved in the type 2 taste receptor signal transduction pathway. In addition, nuclear factor kappa B can regulate the transcription of this gene, whose protein product is also an important regulator of platelet responses. [provided by RefSeq, Jan 2017]

PLCB2 links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
PLCB2	NM_004573.3 linkuse as main transcript	c.3040A>G	p.Ile1014Val	missense_variant	28/32	ENST00000260402.8

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
PLCB2	ENST00000260402.8 linkuse as main transcript	c.3040A>G	p.Ile1014Val	missense_variant	28/32	2	NM_004573.3	P4	Q00722-1

Frequencies

GnomAD3 genomes

AF:

0.0000198

AC:

AN:

151614

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000243

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000208

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000242

AC:

AN:

248410

Hom.:

AF XY:

0.0000222

AC XY:

AN XY:

134924

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:

0.0000328

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000443

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000137

AC:

AN:

1461034

Hom.:

Cov.:

AF XY:

0.0000151

AC XY:

AN XY:

726822

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:

0.0000116

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000126

Gnomad4 OTH exome

AF:

0.0000331

GnomAD4 genome

AF:

0.0000198

AC:

AN:

151614

Hom.:

Cov.:

AF XY:

0.0000405

AC XY:

AN XY:

74066

show subpopulations

Gnomad4 AFR

AF:

0.0000243

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.000208

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000147

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000868

Hom.:

Bravo

AF:

0.0000227

ExAC

AF:

0.0000331

AC:

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

Feb 01, 2023

The c.3040A>G (p.I1014V) alteration is located in exon 28 (coding exon 28) of the PLCB2 gene. This alteration results from a A to G substitution at nucleotide position 3040, causing the isoleucine (I) at amino acid position 1014 to be replaced by a valine (V). 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

Benign

0.076

BayesDel_addAF

Benign

-0.33

BayesDel_noAF

Benign

-0.61

Cadd

Benign

Dann

Benign

0.92

DEOGEN2

Benign

0.16

T;.;.

Eigen

Benign

-0.59

Eigen_PC

Benign

-0.47

FATHMM_MKL

Benign

0.73

LIST_S2

Benign

0.63

T;T;T

M_CAP

Benign

0.0040

MetaRNN

Benign

0.10

T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Benign

1.3

L;.;.

MutationTaster

Benign

0.51

N;N;N

PrimateAI

Benign

0.39

PROVEAN

Benign

0.030

N;N;N

REVEL

Benign

0.074

Sift

Benign

0.45

T;T;T

Sift4G

Benign

0.71

T;T;T

Polyphen

0.0

B;B;.

Vest4

0.15

MutPred

0.59

Gain of catalytic residue at I1014 (P = 0.0557);.;.;

MVP

0.72

MPC

0.26

ClinPred

0.018

GERP RS

2.0

Varity_R

0.027

gMVP

0.029

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.47

Details are displayed if max score is > 0.2

DS_AG_spliceai

0.47

Position offset: -1

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