3-38009108-C-T

Variant names:

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 1P and 1B. PP5BP4

The NM_006225.4(PLCD1):c.1657G>A(p.Ala553Thr) variant causes a missense change. The variant allele was found at a frequency of 0.000123 in 1,613,984 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: 𝑓 0.00016 ( 0 hom., cov: 33)

Exomes 𝑓: 0.00012 ( 0 hom. )

Consequence

PLCD1
NM_006225.4 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity no assertion criteria provided P:1U:1

Conservation

PhyloP100: 4.98

Publications

6 publications found

Variant links:

Genes affected

PLCD1 (HGNC:9060): (phospholipase C delta 1) This gene encodes a member of the phospholipase C family. Phospholipase C isozymes play critical roles in intracellular signal transduction by catalyzing the hydrolysis of phosphatidylinositol 4,5-bisphosphate (PIP2) into the second messengers diacylglycerol (DAG) and inositol triphosphate (IP3). The encoded protein functions as a tumor suppressor in several types of cancer, and mutations in this gene are a cause of hereditary leukonychia. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene. [provided by RefSeq, Dec 2011]

PLCD1 Gene-Disease associations (from GenCC):

nonsyndromic congenital nail disorder 3
Inheritance: AD, AR Classification: STRONG, LIMITED Submitted by: G2P, Labcorp Genetics (formerly Invitae), Ambry Genetics

PLCD1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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

PP5

Variant 3-38009108-C-T is Pathogenic according to our data. Variant chr3-38009108-C-T is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 30241.Status of the report is no_assertion_criteria_provided, 0 stars.

BP4

Computational evidence support a benign effect (MetaRNN=0.2745982). . Strength limited to SUPPORTING due to the PP5.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PLCD1	NM_006225.4 link	c.1657G>A	p.Ala553Thr	missense_variant	Exon 11 of 15	ENST00000334661.5	NP_006216.2	P51178-1A8K8F9A0A384MR47
PLCD1	NM_001130964.2 link	c.1720G>A	p.Ala574Thr	missense_variant	Exon 11 of 15		NP_001124436.1	P51178-2
PLCD1	NR_024071.2 link	n.1884G>A		non_coding_transcript_exon_variant	Exon 10 of 14

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PLCD1	ENST00000334661.5 link	c.1657G>A	p.Ala553Thr	missense_variant	Exon 11 of 15	1	NM_006225.4	ENSP00000335600.4		P51178-1

Frequencies

GnomAD3 genomes

AF:

0.000164

AC:

AN:

152232

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.000288

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00141

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000132

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000183

AC:

AN:

251100

AF XY:

0.000236

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000289

Gnomad ASJ exome

AF:

0.000596

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00106

Gnomad NFE exome

AF:

0.000123

Gnomad OTH exome

AF:

0.000326

GnomAD4 exome

AF:

0.000118

AC:

173

AN:

1461752

Hom.:

Cov.:

AF XY:

0.000129

AC XY:

AN XY:

727172

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33478

American (AMR)

AF:

0.0000224

AC:

AN:

44718

Ashkenazi Jewish (ASJ)

AF:

0.000689

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86248

European-Finnish (FIN)

AF:

0.00103

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5694

European-Non Finnish (NFE)

AF:

0.0000845

AC:

AN:

1111982

Other (OTH)

AF:

0.0000828

AC:

AN:

60380

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.457

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.000164

AC:

AN:

152232

Hom.:

Cov.:

AF XY:

0.000242

AC XY:

AN XY:

74366

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41464

American (AMR)

AF:

0.00

AC:

AN:

15292

Ashkenazi Jewish (ASJ)

AF:

0.000288

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5198

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00141

AC:

AN:

10618

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.000132

AC:

AN:

68036

Other (OTH)

AF:

0.00

AC:

AN:

2090

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.503

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<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:

0.0000891

Hom.:

Bravo

AF:

0.0000416

TwinsUK

AF:

0.00

AC:

ALSPAC

AF:

0.000259

AC:

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000116

AC:

ExAC

AF:

0.000157

AC:

EpiCase

AF:

0.000109

EpiControl

AF:

0.000296

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Pathogenic:1Uncertain:1

Revision: no assertion criteria provided

LINK: link

Submissions by phenotype

Nonsyndromic congenital nail disorder 3

Pathogenic:1

Jun 10, 2011

OMIM

Significance:Pathogenic

Review Status:no assertion criteria provided

Collection Method:literature only

- -

PLCD1-related disorder

Uncertain:1

Jul 13, 2024

PreventionGenetics, part of Exact Sciences

Significance:Uncertain significance

Review Status:no assertion criteria provided

Collection Method:clinical testing

The PLCD1 c.1720G>A variant is predicted to result in the amino acid substitution p.Ala574Thr. This variant has been reported in the heterozygous state to segregate with leukonychia in a family (Kiuru et al. 2011. PubMed ID: 21665001). Functional studies showed that this variant results in ~40% increased enzyme activity (rat ortholog p.Ala553Thr, Nomikos et al. 2016. PubMed ID: 27783455). This variant is reported in 0.10% of alleles in individuals of European (Finnish) descent in gnomAD. At this time, the clinical significance of this variant is uncertain due to the absence of conclusive functional and genetic evidence. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.29

BayesDel_addAF

Benign

-0.020

BayesDel_noAF

Uncertain

-0.030

CADD

Uncertain

(source)

DANN

Uncertain

0.98

DEOGEN2

Benign

0.22

.;T

Eigen

Benign

0.015

Eigen_PC

Benign

-0.0011

FATHMM_MKL

Benign

0.62

LIST_S2

Uncertain

0.87

D;D

M_CAP

Benign

0.026

MetaRNN

Benign

0.27

T;T

MetaSVM

Benign

-0.35

MutationAssessor

Uncertain

2.2

.;M

PhyloP100

5.0

PrimateAI

Uncertain

0.51

PROVEAN

Benign

-0.91

N;N

REVEL

Benign

0.29

Sift

Benign

0.29

T;T

Sift4G

Benign

0.22

T;T

Polyphen

0.91

.;P

Vest4

0.87

MVP

0.77

MPC

0.25

ClinPred

0.10

GERP RS

5.2

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.29

gMVP

0.61

Mutation Taster

=29/71

disease causing (ClinVar)

(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

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over