Genetic Variant PLA2G6:c.610-983G>C (chr22-38141152-C-G) – ACMG Classification: Benign (-12 pts)

Variant summary

Our verdict is Benign. The variant received -12 ACMG points: 0P and 12B. BP4_StrongBA1

The NM_003560.4(PLA2G6):c.610-983G>C variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.429 in 151,404 control chromosomes in the GnomAD database, including 14,218 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.43 ( 14217 hom., cov: 28)

Exomes 𝑓: 0.23 ( 1 hom. )

Consequence

PLA2G6
NM_003560.4 intron

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.434

Publications

3 publications found

Variant links:

Genes affected

PLA2G6 (HGNC:9039): (phospholipase A2 group VI) The protein encoded by this gene is an A2 phospholipase, a class of enzyme that catalyzes the release of fatty acids from phospholipids. The encoded protein may play a role in phospholipid remodelling, arachidonic acid release, leukotriene and prostaglandin synthesis, fas-mediated apoptosis, and transmembrane ion flux in glucose-stimulated B-cells. Several transcript variants encoding multiple isoforms have been described, but the full-length nature of only three of them have been determined to date. [provided by RefSeq, Dec 2010]

PLA2G6 Gene-Disease associations (from GenCC):

neurodegeneration with brain iron accumulation 2A
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: G2P, Ambry Genetics, Genomics England PanelApp, Orphanet, Labcorp Genetics (formerly Invitae)
neurodegeneration with brain iron accumulation 2B
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Ambry Genetics, Genomics England PanelApp, Labcorp Genetics (formerly Invitae)
PLA2G6-associated neurodegeneration
Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
autosomal recessive Parkinson disease 14
Inheritance: AR Classification: STRONG, MODERATE, SUPPORTIVE Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), Genomics England PanelApp, Orphanet

PLA2G6 links:

ENSG00000279080 (HGNC:):

ENSG00000279080 links:

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ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -12 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.94).

BA1

GnomAd4 highest subpopulation (SAS) allele frequency at 95% confidence interval = 0.547 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PLA2G6	NM_003560.4 link	c.610-983G>C		intron_variant	Intron 4 of 16	ENST00000332509.8	NP_003551.2	O60733-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PLA2G6	ENST00000332509.8 link	c.610-983G>C		intron_variant	Intron 4 of 16	1	NM_003560.4	ENSP00000333142.3		O60733-1

Frequencies

GnomAD3 genomes

AF:

0.429

AC:

64943

AN:

151224

Hom.:

14214

Cov.:

show subpopulations

Gnomad AFR

AF:

0.420

Gnomad AMI

AF:

0.538

Gnomad AMR

AF:

0.466

Gnomad ASJ

AF:

0.465

Gnomad EAS

AF:

0.288

Gnomad SAS

AF:

0.565

Gnomad FIN

AF:

0.385

Gnomad MID

AF:

0.545

Gnomad NFE

AF:

0.431

Gnomad OTH

AF:

0.440

GnomAD4 exome

AF:

0.226

AC:

AN:

Hom.:

Cov.:

AF XY:

0.239

AC XY:

AN XY:

show subpopulations

African (AFR)

AF:

0.500

AC:

AN:

American (AMR)

AF:

0.500

AC:

AN:

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

East Asian (EAS)

AF:

0.00

AC:

AN:

South Asian (SAS)

AC:

AN:

European-Finnish (FIN)

AC:

AN:

Middle Eastern (MID)

AF:

0.500

AC:

AN:

European-Non Finnish (NFE)

AF:

0.227

AC:

AN:

Other (OTH)

AF:

0.167

AC:

AN:

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.408

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.429

AC:

64991

AN:

151342

Hom.:

14217

Cov.:

AF XY:

0.430

AC XY:

31789

AN XY:

73926

show subpopulations

African (AFR)

AF:

0.420

AC:

17301

AN:

41234

American (AMR)

AF:

0.465

AC:

7061

AN:

15182

Ashkenazi Jewish (ASJ)

AF:

0.465

AC:

1611

AN:

3466

East Asian (EAS)

AF:

0.289

AC:

1485

AN:

5146

South Asian (SAS)

AF:

0.564

AC:

2695

AN:

4776

European-Finnish (FIN)

AF:

0.385

AC:

4031

AN:

10474

Middle Eastern (MID)

AF:

0.541

AC:

158

AN:

292

European-Non Finnish (NFE)

AF:

0.431

AC:

29230

AN:

67764

Other (OTH)

AF:

0.443

AC:

933

AN:

2104

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.497

Heterozygous variant carriers

1779

3558

5338

7117

8896

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

612

1224

1836

2448

3060

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.417

Hom.:

1636

Bravo

AF:

0.432

Asia WGS

AF:

0.466

AC:

1623

AN:

3476

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.94

CADD

Benign

1.6

(source)

DANN

Benign

0.29

PhyloP100

0.43

Mutation Taster

=100/0

polymorphism (auto)

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over