dbSNP rs587784335: PLA2G6:c.1591+11C>A (chr22-38123084-G-T) – ACMG Classification: Likely_benign (-3 pts)

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PM2BP4_StrongBP6

The NM_003560.4(PLA2G6):c.1591+11C>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000717 in 1,395,198 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 7.2e-7 ( 0 hom. )

Consequence

PLA2G6
NM_003560.4 intron

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:1

Conservation

PhyloP100: 0.0320

Publications

0 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:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.78).

BP6

Variant 22-38123084-G-T is Benign according to our data. Variant chr22-38123084-G-T is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 159736.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PLA2G6	NM_003560.4 link	c.1591+11C>A		intron_variant	Intron 11 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.1591+11C>A		intron_variant	Intron 11 of 16	1	NM_003560.4	ENSP00000333142.3		O60733-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

7.17e-7

AC:

AN:

1395198

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

688158

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

31520

American (AMR)

AF:

0.00

AC:

AN:

35708

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25178

East Asian (EAS)

AF:

0.00

AC:

AN:

35738

South Asian (SAS)

AF:

0.00

AC:

AN:

79134

European-Finnish (FIN)

AF:

0.00

AC:

AN:

47238

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4076

European-Non Finnish (NFE)

AF:

9.27e-7

AC:

AN:

1078774

Other (OTH)

AF:

0.00

AC:

AN:

57832

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:1Benign:1

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

Iron accumulation in brain

Uncertain:1

Sep 26, 2013

Genetic Services Laboratory, University of Chicago

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Infantile neuroaxonal dystrophy

Benign:1

Dec 23, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.78

CADD

Benign

1.7

(source)

DANN

Benign

0.77

PhyloP100

0.032

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

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over