22-31135934-C-T

Variant summary

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

The NM_015715.5(PLA2G3):​c.1319G>A​(p.Cys440Tyr) variant causes a missense, splice region change. The variant allele was found at a frequency of 0.00000124 in 1,612,612 control chromosomes in the GnomAD database, with no homozygous occurrence. 1/1 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)
Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

PLA2G3
NM_015715.5 missense, splice_region

Scores

1
10
8

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.77
Variant links:
Genes affected
PLA2G3 (HGNC:17934): (phospholipase A2 group III) This gene encodes a protein that belongs to the secreted phospholipase A2 family, whose members include the bee venom enzyme. The encoded enzyme functions in lipid metabolism and catalyzes the calcium-dependent hydrolysis of the sn-2 acyl bond of phospholipids to release arachidonic acid and lysophospholipids. This enzyme acts as a negative regulator of ciliogenesis, and may play a role in cancer development by stimulating tumor cell growth and angiogenesis. This gene is associated with oxidative stress, and polymorphisms in this gene are linked to risk for Alzheimer's disease. [provided by RefSeq, Apr 2014]

Genome browser will be placed here

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 Protein UniProt
PLA2G3NM_015715.5 linkuse as main transcriptc.1319G>A p.Cys440Tyr missense_variant, splice_region_variant 7/7 ENST00000215885.4 NP_056530.2 Q9NZ20
PLA2G3XM_011530204.2 linkuse as main transcriptc.776G>A p.Cys259Tyr missense_variant, splice_region_variant 7/7 XP_011528506.1
PLA2G3XM_011530205.2 linkuse as main transcriptc.776G>A p.Cys259Tyr missense_variant, splice_region_variant 7/7 XP_011528507.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
PLA2G3ENST00000215885.4 linkuse as main transcriptc.1319G>A p.Cys440Tyr missense_variant, splice_region_variant 7/71 NM_015715.5 ENSP00000215885.3 Q9NZ20

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152208
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000403
AC:
1
AN:
248276
Hom.:
0
AF XY:
0.00000743
AC XY:
1
AN XY:
134554
show subpopulations
Gnomad AFR exome
AF:
0.0000619
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
6.85e-7
AC:
1
AN:
1460404
Hom.:
0
Cov.:
30
AF XY:
0.00000138
AC XY:
1
AN XY:
726594
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:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152208
Hom.:
0
Cov.:
33
AF XY:
0.0000134
AC XY:
1
AN XY:
74364
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000378

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 submitterclinical testingAmbry GeneticsMar 19, 2024The c.1319G>A (p.C440Y) alteration is located in exon 7 (coding exon 7) of the PLA2G3 gene. This alteration results from a G to A substitution at nucleotide position 1319, causing the cysteine (C) at amino acid position 440 to be replaced by a tyrosine (Y). 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
-0.061
T
BayesDel_noAF
Benign
-0.14
CADD
Uncertain
25
DANN
Uncertain
0.99
DEOGEN2
Uncertain
0.48
T
Eigen
Uncertain
0.63
Eigen_PC
Uncertain
0.56
FATHMM_MKL
Uncertain
0.97
D
LIST_S2
Benign
0.71
T
M_CAP
Benign
0.022
T
MetaRNN
Uncertain
0.72
D
MetaSVM
Benign
-0.79
T
MutationAssessor
Benign
1.8
L
PrimateAI
Uncertain
0.52
T
PROVEAN
Uncertain
-3.3
D
REVEL
Benign
0.24
Sift
Uncertain
0.0020
D
Sift4G
Pathogenic
0.0
D
Polyphen
1.0
D
Vest4
0.66
MutPred
0.44
Gain of phosphorylation at C440 (P = 0.0556);
MVP
0.58
MPC
0.53
ClinPred
0.94
D
GERP RS
5.4
Varity_R
0.74
gMVP
0.72

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: rs1198022621; hg19: chr22-31531920; API