dbSNP rs781663830: PLBD1:p.Asn352Ser (chr12-14511391-T-C) – ACMG Classification: Uncertain_significance (4 pts)

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_024829.6(PLBD1):c.1055A>G(p.Asn352Ser) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000684 in 1,460,978 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000068 ( 0 hom. )

Consequence

PLBD1
NM_024829.6 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.49

Variant links:

Genes affected

PLBD1 (HGNC:26215): (phospholipase B domain containing 1) Predicted to enable phospholipase activity. Predicted to be involved in phospholipid catabolic process. Located in extracellular space. [provided by Alliance of Genome Resources, Apr 2022]

PLBD1 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.871

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PLBD1	NM_024829.6 link	c.1055A>G	p.Asn352Ser	missense_variant	Exon 8 of 11	ENST00000240617.10	NP_079105.4	Q6P4A8

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
PLBD1	ENST00000240617.10 link	c.1055A>G	p.Asn352Ser	missense_variant	Exon 8 of 11	1	NM_024829.6	ENSP00000240617.5	Q6P4A8
PLBD1	ENST00000541800.6 link	n.678A>G		non_coding_transcript_exon_variant	Exon 3 of 3	3
PLBD1	ENST00000541618.1 link	n.*822A>G		downstream_gene_variant		5		ENSP00000441278.1	F5GYQ3

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.0000479

AC:

AN:

250574

Hom.:

AF XY:

0.0000664

AC XY:

AN XY:

135470

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000653

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:

0.00000684

AC:

AN:

1460978

Hom.:

Cov.:

AF XY:

0.0000110

AC XY:

AN XY:

726830

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.000227

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

Cov.:

Bravo

AF:

0.00000756

ExAC

AF:

0.0000412

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Sep 20, 2023

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.1055A>G (p.N352S) alteration is located in exon 8 (coding exon 8) of the PLBD1 gene. This alteration results from a A to G substitution at nucleotide position 1055, causing the asparagine (N) at amino acid position 352 to be replaced by a serine (S). 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

0.18

BayesDel_addAF

Benign

-0.29

BayesDel_noAF

Benign

-0.28

CADD

Uncertain

DANN

Uncertain

1.0

DEOGEN2

Benign

0.093

Eigen

Pathogenic

0.99

Eigen_PC

Pathogenic

0.91

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Pathogenic

0.98

M_CAP

Benign

0.067

MetaRNN

Pathogenic

0.87

MetaSVM

Uncertain

-0.13

MutationAssessor

Pathogenic

3.8

PrimateAI

Benign

0.46

PROVEAN

Pathogenic

-4.8

REVEL

Uncertain

0.59

Sift

Uncertain

0.0050

Sift4G

Pathogenic

0.0

Polyphen

1.0

Vest4

0.82

MutPred

0.83

Gain of catalytic residue at N352 (P = 0.0072);

MVP

0.33

MPC

0.69

ClinPred

0.86

GERP RS

5.8

Varity_R

0.52

gMVP

0.89

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.020

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over