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rs761351190

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6_Moderate

The NM_001127178.3(PIGG):c.2591C>G(p.Ala864Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000121 in 1,614,078 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 Likely benign (★).

Frequency

Genomes: 𝑓 0.000092 ( 0 hom., cov: 34)
Exomes 𝑓: 0.00012 ( 0 hom. )

Consequence

PIGG
NM_001127178.3 missense

Scores

6
11

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 2.85
Variant links:
Genes affected
PIGG (HGNC:25985): (phosphatidylinositol glycan anchor biosynthesis class G (EMM blood group)) This gene encodes an enzyme involved in glycosylphosphatidylinositol-anchor biosynthesis. The encoded protein, which is localized to the endoplasmic reticulum, is involved in transferring ethanoloamine phosphate to mannose 2 of glycosylphosphatidylinositol species H7 to form species H8. Allelic variants of this gene have been associated with intellectual disability, hypotonia, and early-onset seizures. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Sep 2016]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.053423733).
BP6
Variant 4-533837-C-G is Benign according to our data. Variant chr4-533837-C-G is described in ClinVar as [Likely_benign]. Clinvar id is 476339.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
PIGGNM_001127178.3 linkuse as main transcriptc.2591C>G p.Ala864Gly missense_variant 12/13 ENST00000453061.7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
PIGGENST00000453061.7 linkuse as main transcriptc.2591C>G p.Ala864Gly missense_variant 12/131 NM_001127178.3 P4Q5H8A4-1

Frequencies

GnomAD3 genomes
AF:
0.0000920
AC:
14
AN:
152254
Hom.:
0
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00259
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000588
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.000147
AC:
37
AN:
251378
Hom.:
0
AF XY:
0.000177
AC XY:
24
AN XY:
135866
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000867
Gnomad ASJ exome
AF:
0.00248
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000616
Gnomad OTH exome
AF:
0.000326
GnomAD4 exome
AF:
0.000124
AC:
181
AN:
1461824
Hom.:
0
Cov.:
31
AF XY:
0.000139
AC XY:
101
AN XY:
727218
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000671
Gnomad4 ASJ exome
AF:
0.00226
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000917
Gnomad4 OTH exome
AF:
0.000281
GnomAD4 genome
AF:
0.0000920
AC:
14
AN:
152254
Hom.:
0
Cov.:
34
AF XY:
0.000108
AC XY:
8
AN XY:
74386
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00259
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000588
Gnomad4 OTH
AF:
0.000478
Alfa
AF:
0.000315
Hom.:
0
Bravo
AF:
0.000113
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000259
AC:
1
ExAC
AF:
0.000123
AC:
15
EpiCase
AF:
0.00
EpiControl
AF:
0.000178

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Intellectual disability, autosomal recessive 53 Benign:1
Likely benign, criteria provided, single submitterclinical testingInvitaeNov 27, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.12
BayesDel_addAF
Benign
-0.21
T
BayesDel_noAF
Benign
-0.34
Cadd
Benign
22
Dann
Uncertain
0.99
Eigen
Uncertain
0.26
Eigen_PC
Uncertain
0.38
FATHMM_MKL
Uncertain
0.95
D
LIST_S2
Uncertain
0.87
D;D;D;D
M_CAP
Benign
0.0046
T
MetaRNN
Benign
0.053
T;T;T;T
MetaSVM
Benign
-1.1
T
MutationTaster
Benign
1.0
D;D;D;D;D
PrimateAI
Benign
0.47
T
PROVEAN
Uncertain
-2.7
D;D;D;D
REVEL
Benign
0.13
Sift
Benign
0.049
D;D;D;D
Sift4G
Benign
0.17
T;T;T;T
Polyphen
0.47
P;B;.;B
Vest4
0.44
MVP
0.37
MPC
0.20
ClinPred
0.076
T
GERP RS
5.8
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.24
gMVP
0.64

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.

Other links and lift over

dbSNP: rs761351190; hg19: chr4-527626; API