rs764609423

Variant summary

Our verdict is Benign. The variant received -7 ACMG points: 0P and 7B. BP4_ModerateBP6BS2

The NM_004484.4(GPC3):​c.1181A>G​(p.Lys394Arg) variant causes a missense change. The variant allele was found at a frequency of 0.0000216 in 1,205,319 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 9 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.000018 ( 0 hom., 1 hem., cov: 24)
Exomes 𝑓: 0.000022 ( 0 hom. 8 hem. )

Consequence

GPC3
NM_004484.4 missense

Scores

4
12

Clinical Significance

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

Conservation

PhyloP100: 3.89

Publications

1 publications found
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 Gene-Disease associations (from GenCC):
  • Simpson-Golabi-Behmel syndrome
    Inheritance: XL Classification: DEFINITIVE, SUPPORTIVE Submitted by: Orphanet, ClinGen
  • Simpson-Golabi-Behmel syndrome type 1
    Inheritance: XL Classification: DEFINITIVE, STRONG Submitted by: G2P, Labcorp Genetics (formerly Invitae), Ambry Genetics

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -7 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.250584).
BP6
Variant X-133692480-T-C is Benign according to our data. Variant chrX-133692480-T-C is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 576656.
BS2
High Hemizygotes in GnomAdExome4 at 8 XL gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_004484.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
GPC3
NM_004484.4
MANE Select
c.1181A>Gp.Lys394Arg
missense
Exon 5 of 8NP_004475.1I6QTG3
GPC3
NM_001164617.2
c.1250A>Gp.Lys417Arg
missense
Exon 6 of 9NP_001158089.1P51654-3
GPC3
NM_001164618.2
c.1133A>Gp.Lys378Arg
missense
Exon 5 of 8NP_001158090.1B4DTD8

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
GPC3
ENST00000370818.8
TSL:1 MANE Select
c.1181A>Gp.Lys394Arg
missense
Exon 5 of 8ENSP00000359854.3P51654-1
GPC3
ENST00000394299.7
TSL:1
c.1250A>Gp.Lys417Arg
missense
Exon 6 of 9ENSP00000377836.2P51654-3
GPC3
ENST00000631057.2
TSL:1
c.1019A>Gp.Lys340Arg
missense
Exon 4 of 7ENSP00000486325.1P51654-2

Frequencies

GnomAD3 genomes
AF:
0.0000177
AC:
2
AN:
112709
Hom.:
0
Cov.:
24
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000375
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000218
AC:
4
AN:
183115
AF XY:
0.0000148
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:
0.0000490
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000220
AC:
24
AN:
1092610
Hom.:
0
Cov.:
27
AF XY:
0.0000223
AC XY:
8
AN XY:
358140
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
26304
American (AMR)
AF:
0.00
AC:
0
AN:
35189
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
19342
East Asian (EAS)
AF:
0.00
AC:
0
AN:
30172
South Asian (SAS)
AF:
0.00
AC:
0
AN:
54008
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
40514
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
4120
European-Non Finnish (NFE)
AF:
0.0000275
AC:
23
AN:
837056
Other (OTH)
AF:
0.0000218
AC:
1
AN:
45905
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.484
Heterozygous variant carriers
0
2
3
5
6
8
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
2
4
6
8
10
<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:
0.0000177
AC:
2
AN:
112709
Hom.:
0
Cov.:
24
AF XY:
0.0000287
AC XY:
1
AN XY:
34849
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
31022
American (AMR)
AF:
0.00
AC:
0
AN:
10663
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
2662
East Asian (EAS)
AF:
0.00
AC:
0
AN:
3609
South Asian (SAS)
AF:
0.00
AC:
0
AN:
2734
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
6222
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
238
European-Non Finnish (NFE)
AF:
0.0000375
AC:
2
AN:
53353
Other (OTH)
AF:
0.00
AC:
0
AN:
1521
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.425
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
2
4
6
8
10
<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:
0.00
Hom.:
0
Bravo
AF:
0.0000113
ExAC
AF:
0.0000412
AC:
5
EpiCase
AF:
0.000109
EpiControl
AF:
0.00

ClinVar

ClinVar submissions
Significance:Conflicting classifications of pathogenicity
Revision:criteria provided, conflicting classifications
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
Inborn genetic diseases (1)
-
-
1
Wilms tumor 1 (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.12
BayesDel_addAF
Benign
-0.26
T
BayesDel_noAF
Benign
-0.46
CADD
Benign
22
DANN
Uncertain
1.0
DEOGEN2
Benign
0.32
T
FATHMM_MKL
Uncertain
0.81
D
LIST_S2
Uncertain
0.89
D
M_CAP
Benign
0.025
T
MetaRNN
Benign
0.25
T
MetaSVM
Benign
-0.84
T
MutationAssessor
Benign
1.7
L
PhyloP100
3.9
PrimateAI
Uncertain
0.69
T
PROVEAN
Benign
-0.92
N
REVEL
Benign
0.15
Sift
Benign
0.40
T
Sift4G
Benign
0.14
T
Polyphen
0.27
B
Vest4
0.42
MutPred
0.49
Loss of methylation at K394 (P = 0.0388)
MVP
0.72
MPC
0.20
ClinPred
0.17
T
GERP RS
5.2
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.18
gMVP
0.42
Mutation Taster
=93/7
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs764609423; hg19: chrX-132826508; API