rs183678432

Variant summary

Our verdict is Benign. Variant got -17 ACMG points: 0P and 17B. BP4_StrongBP6_Very_StrongBP7BS2

The NM_004484.4(GPC3):c.972T>C(p.Phe324=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000571 in 1,209,119 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 32 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.000071 ( 0 hom., 4 hem., cov: 22)

Exomes 𝑓: 0.000056 ( 0 hom. 28 hem. )

Consequence

GPC3
NM_004484.4 synonymous

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: 0.608

Variant links:

Genes affected

GPC3 (HGNC:4451): (glypican 3) Cell surface heparan sulfate proteoglycans are composed of a membrane-associated protein core substituted with a variable number of heparan sulfate chains. Members of the glypican-related integral membrane proteoglycan family (GRIPS) contain a core protein anchored to the cytoplasmic membrane via a glycosyl phosphatidylinositol linkage. These proteins may play a role in the control of cell division and growth regulation. The protein encoded by this gene can bind to and inhibit the dipeptidyl peptidase activity of CD26, and it can induce apoptosis in certain cell types. Deletion mutations in this gene are associated with Simpson-Golabi-Behmel syndrome, also known as Simpson dysmorphia syndrome. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Sep 2009]

GPC3 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -17 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.56).

BP6

Variant X-133753542-A-G is Benign according to our data. Variant chrX-133753542-A-G is described in ClinVar as [Likely_benign]. Clinvar id is 239947.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=0.608 with no splicing effect.

BS2

High Hemizygotes in GnomAd at 4 XL gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
GPC3	NM_004484.4 linkuse as main transcript	c.972T>C	p.Phe324=	synonymous_variant	3/8	ENST00000370818.8

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
GPC3	ENST00000370818.8 linkuse as main transcript	c.972T>C	p.Phe324=	synonymous_variant	3/8	1	NM_004484.4	P1	P51654-1

Frequencies

GnomAD3 genomes

AF:

0.0000714

AC:

AN:

111976

Hom.:

Cov.:

AF XY:

0.000117

AC XY:

AN XY:

34154

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000951

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00169

Gnomad SAS

AF:

0.000376

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.000147

AC:

AN:

183327

Hom.:

AF XY:

0.000147

AC XY:

AN XY:

67813

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00159

Gnomad SAS exome

AF:

0.000262

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000556

AC:

AN:

1097090

Hom.:

Cov.:

AF XY:

0.0000772

AC XY:

AN XY:

362466

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00103

Gnomad4 SAS exome

AF:

0.000333

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000119

Gnomad4 OTH exome

AF:

0.000217

GnomAD4 genome

AF:

0.0000714

AC:

AN:

112029

Hom.:

Cov.:

AF XY:

0.000117

AC XY:

AN XY:

34217

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.0000950

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00169

Gnomad4 SAS

AF:

0.000377

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000434

Hom.:

Bravo

AF:

0.0000567

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:4

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

GPC3-related disorder

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

PreventionGenetics, part of Exact Sciences

Apr 15, 2019

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

not provided

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

CeGaT Center for Human Genetics Tuebingen

Nov 01, 2022

GPC3: BP4, BP7, BS2 -

Wilms tumor 1

Benign:1

Benign, criteria provided, single submitter

clinical testing

Invitae

Dec 13, 2023

- -

Simpson-Golabi-Behmel syndrome type 1;CN033288:Wilms tumor 1

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Fulgent Genetics, Fulgent Genetics

Mar 29, 2022

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.56

Cadd

Benign

5.9

Dann

Benign

0.70

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

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