16-81907714-C-T

Variant summary

Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BA1

The NM_002661.5(PLCG2):​c.1497C>T​(p.Ala499Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.764 in 1,612,556 control chromosomes in the GnomAD database, including 474,023 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.74 ( 42012 hom., cov: 32)
Exomes 𝑓: 0.77 ( 432011 hom. )

Consequence

PLCG2
NM_002661.5 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:10O:1

Conservation

PhyloP100: -3.15
Variant links:
Genes affected
PLCG2 (HGNC:9066): (phospholipase C gamma 2) The protein encoded by this gene is a transmembrane signaling enzyme that catalyzes the conversion of 1-phosphatidyl-1D-myo-inositol 4,5-bisphosphate to 1D-myo-inositol 1,4,5-trisphosphate (IP3) and diacylglycerol (DAG) using calcium as a cofactor. IP3 and DAG are second messenger molecules important for transmitting signals from growth factor receptors and immune system receptors across the cell membrane. Mutations in this gene have been found in autoinflammation, antibody deficiency, and immune dysregulation syndrome and familial cold autoinflammatory syndrome 3. [provided by RefSeq, Mar 2014]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -21 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.69).
BP6
Variant 16-81907714-C-T is Benign according to our data. Variant chr16-81907714-C-T is described in ClinVar as [Benign]. Clinvar id is 403322.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-81907714-C-T is described in Lovd as [Benign].
BP7
Synonymous conserved (PhyloP=-3.15 with no splicing effect.
BA1
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.946 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
PLCG2NM_002661.5 linkuse as main transcriptc.1497C>T p.Ala499Ala synonymous_variant 16/33 ENST00000564138.6 NP_002652.2 P16885

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
PLCG2ENST00000564138.6 linkuse as main transcriptc.1497C>T p.Ala499Ala synonymous_variant 16/331 NM_002661.5 ENSP00000482457.1 P16885

Frequencies

GnomAD3 genomes
AF:
0.736
AC:
111910
AN:
151968
Hom.:
41981
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.603
Gnomad AMI
AF:
0.761
Gnomad AMR
AF:
0.844
Gnomad ASJ
AF:
0.771
Gnomad EAS
AF:
0.969
Gnomad SAS
AF:
0.805
Gnomad FIN
AF:
0.743
Gnomad MID
AF:
0.801
Gnomad NFE
AF:
0.766
Gnomad OTH
AF:
0.778
GnomAD3 exomes
AF:
0.789
AC:
196783
AN:
249382
Hom.:
78609
AF XY:
0.788
AC XY:
106602
AN XY:
135300
show subpopulations
Gnomad AFR exome
AF:
0.597
Gnomad AMR exome
AF:
0.893
Gnomad ASJ exome
AF:
0.779
Gnomad EAS exome
AF:
0.971
Gnomad SAS exome
AF:
0.788
Gnomad FIN exome
AF:
0.743
Gnomad NFE exome
AF:
0.765
Gnomad OTH exome
AF:
0.792
GnomAD4 exome
AF:
0.767
AC:
1120409
AN:
1460470
Hom.:
432011
Cov.:
40
AF XY:
0.768
AC XY:
558089
AN XY:
726592
show subpopulations
Gnomad4 AFR exome
AF:
0.601
Gnomad4 AMR exome
AF:
0.886
Gnomad4 ASJ exome
AF:
0.782
Gnomad4 EAS exome
AF:
0.968
Gnomad4 SAS exome
AF:
0.788
Gnomad4 FIN exome
AF:
0.746
Gnomad4 NFE exome
AF:
0.759
Gnomad4 OTH exome
AF:
0.769
GnomAD4 genome
AF:
0.736
AC:
111993
AN:
152086
Hom.:
42012
Cov.:
32
AF XY:
0.740
AC XY:
55007
AN XY:
74366
show subpopulations
Gnomad4 AFR
AF:
0.603
Gnomad4 AMR
AF:
0.844
Gnomad4 ASJ
AF:
0.771
Gnomad4 EAS
AF:
0.969
Gnomad4 SAS
AF:
0.805
Gnomad4 FIN
AF:
0.743
Gnomad4 NFE
AF:
0.766
Gnomad4 OTH
AF:
0.780
Alfa
AF:
0.764
Hom.:
67853
Bravo
AF:
0.738
EpiCase
AF:
0.766
EpiControl
AF:
0.771

ClinVar

Significance: Benign
Submissions summary: Benign:10Other:1
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:5
Benign, no assertion criteria providedclinical testingDiagnostic Laboratory, Department of Genetics, University Medical Center Groningen-- -
Benign, criteria provided, single submitterclinical testingLaboratory for Molecular Medicine, Mass General Brigham Personalized MedicineMar 28, 2016Variant identified in a genome or exome case(s) and assessed due to predicted null impact of the variant or pathogenic assertions in the literature or databases. Disclaimer: This variant has not undergone full assessment. The following are preliminary notes: Frequency -
Benign, no assertion criteria providedclinical testingJoint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+-- -
Benign, no assertion criteria providedclinical testingGenome Diagnostics Laboratory, University Medical Center Utrecht-- -
Benign, criteria provided, single submitterclinical testingUnidad de Genómica Garrahan, Hospital de Pediatría GarrahanNov 12, 2023This variant is classified as Benign based on local population frequency. This variant was detected in 96% of patients studied by a panel of primary immunodeficiencies. Number of patients: 92. Only high quality variants are reported. -
not provided Benign:2Other:1
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Benign, criteria provided, single submitterclinical testingGeneDxNov 26, 2018- -
not provided, no classification providedphenotyping onlyGenomeConnect, ClinGen-Variant interpreted as Benign and reported on 04-27-2020 by Lab or GTR ID 500031. GenomeConnect assertions are reported exactly as they appear on the patient-provided report from the testing laboratory. GenomeConnect staff make no attempt to reinterpret the clinical significance of the variant. This variant was reported in an individual referred for clinical diagnostic genetic testing. -
Familial cold autoinflammatory syndrome 3 Benign:2
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpFeb 01, 2024- -
Benign, criteria provided, single submitterclinical testingGenome-Nilou LabOct 25, 2021- -
Autoinflammation-PLCG2-associated antibody deficiency-immune dysregulation Benign:1
Benign, criteria provided, single submitterclinical testingGenome-Nilou LabOct 25, 2021- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.69
CADD
Benign
0.13
DANN
Benign
0.68

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.

Other links and lift over

dbSNP: rs1143689; hg19: chr16-81941319; API