Genetic Variant PLCXD3:p.Tyr153Cys (chr5-41382180-T-C) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001005473.3(PLCXD3):c.458A>G(p.Tyr153Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000274 in 1,461,564 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000027 ( 0 hom. )

Consequence

PLCXD3
NM_001005473.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.43

Publications

2 publications found

Variant links:

Genes affected

PLCXD3 (HGNC:31822): (phosphatidylinositol specific phospholipase C X domain containing 3) Predicted to enable phosphoric diester hydrolase activity. Predicted to be involved in lipid catabolic process and signal transduction. Predicted to be located in cytoplasm. Predicted to be active in glutamatergic synapse. [provided by Alliance of Genome Resources, Apr 2022]

PLCXD3 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.10795668).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PLCXD3	NM_001005473.3 link	c.458A>G	p.Tyr153Cys	missense_variant	Exon 2 of 3	ENST00000377801.8	NP_001005473.1	Q63HM9B3KXD1
PLCXD3	XM_017009438.3 link	c.242A>G	p.Tyr81Cys	missense_variant	Exon 2 of 3		XP_016864927.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PLCXD3	ENST00000377801.8 link	c.458A>G	p.Tyr153Cys	missense_variant	Exon 2 of 3	1	NM_001005473.3	ENSP00000367032.3		Q63HM9

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000399

AC:

AN:

250820

AF XY:

0.00000738

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 FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000883

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000274

AC:

AN:

1461564

Hom.:

Cov.:

AF XY:

0.00000413

AC XY:

AN XY:

727080

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33452

American (AMR)

AF:

0.00

AC:

AN:

44678

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26122

East Asian (EAS)

AF:

0.00

AC:

AN:

39690

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53416

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5760

European-Non Finnish (NFE)

AF:

0.00000360

AC:

AN:

1111812

Other (OTH)

AF:

0.00

AC:

AN:

60376

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.463

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ExAC

AF:

0.00000824

AC:

EpiCase

AF:

0.00

EpiControl

AF:

0.0000593

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Dec 27, 2023

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.458A>G (p.Y153C) alteration is located in exon 2 (coding exon 2) of the PLCXD3 gene. This alteration results from a A to G substitution at nucleotide position 458, causing the tyrosine (Y) at amino acid position 153 to be replaced by a cysteine (C). 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

0.061

BayesDel_addAF

Benign

-0.16

BayesDel_noAF

Benign

-0.47

CADD

Benign

(source)

DANN

Uncertain

0.98

DEOGEN2

Benign

0.027

T;T

Eigen

Benign

-0.16

Eigen_PC

Benign

0.046

FATHMM_MKL

Uncertain

0.85

LIST_S2

Benign

0.29

.;T

M_CAP

Benign

0.0091

MetaRNN

Benign

0.11

T;T

MetaSVM

Benign

-0.95

MutationAssessor

Benign

-0.14

N;N

PhyloP100

1.4

PrimateAI

Uncertain

0.71

PROVEAN

Benign

-0.67

N;N

REVEL

Benign

0.10

Sift

Benign

0.18

T;T

Sift4G

Benign

0.10

T;T

Polyphen

0.0

B;B

Vest4

0.17

MutPred

0.45

Loss of helix (P = 0.028);Loss of helix (P = 0.028);

MVP

0.55

MPC

0.11

ClinPred

0.13

GERP RS

4.7

Varity_R

0.077

gMVP

0.52

Mutation Taster

=76/24

polymorphism

(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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5-41382180-T-C

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over