chr16-574108-G-A

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_004204.5(PIGQ):​c.34G>A​(p.Val12Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000521 in 1,609,696 control chromosomes in the GnomAD database, including 5 homozygotes. In-silico tool predicts a benign outcome for this variant. 13/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0026 ( 1 hom., cov: 34)
Exomes 𝑓: 0.00031 ( 4 hom. )

Consequence

PIGQ
NM_004204.5 missense

Scores

2
16

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 0.393
Variant links:
Genes affected
PIGQ (HGNC:14135): (phosphatidylinositol glycan anchor biosynthesis class Q) This gene is involved in the first step in glycosylphosphatidylinositol (GPI)-anchor biosynthesis. The GPI-anchor is a glycolipid found on many blood cells and serves to anchor proteins to the cell surface. This gene encodes a N-acetylglucosaminyl transferase component that is part of the complex that catalyzes transfer of N-acetylglucosamine (GlcNAc) from UDP-GlcNAc to phosphatidylinositol (PI). Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jun 2012]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.006198168).
BP6
Variant 16-574108-G-A is Benign according to our data. Variant chr16-574108-G-A is described in ClinVar as [Benign]. Clinvar id is 456045.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00257 (391/152348) while in subpopulation AFR AF= 0.00871 (362/41566). AF 95% confidence interval is 0.00797. There are 1 homozygotes in gnomad4. There are 197 alleles in male gnomad4 subpopulation. Median coverage is 34. This position pass quality control queck.
BS2
High Homozygotes in GnomAdExome4 at 4 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
PIGQNM_004204.5 linkuse as main transcriptc.34G>A p.Val12Ile missense_variant 2/11 ENST00000321878.10
PIGQNM_148920.4 linkuse as main transcriptc.34G>A p.Val12Ile missense_variant 2/10

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
PIGQENST00000321878.10 linkuse as main transcriptc.34G>A p.Val12Ile missense_variant 2/111 NM_004204.5 P1Q9BRB3-2

Frequencies

GnomAD3 genomes
AF:
0.00257
AC:
391
AN:
152230
Hom.:
1
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.00873
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00111
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000192
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000103
Gnomad OTH
AF:
0.00191
GnomAD3 exomes
AF:
0.000826
AC:
203
AN:
245616
Hom.:
1
AF XY:
0.000584
AC XY:
78
AN XY:
133464
show subpopulations
Gnomad AFR exome
AF:
0.0101
Gnomad AMR exome
AF:
0.000988
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000362
Gnomad OTH exome
AF:
0.000663
GnomAD4 exome
AF:
0.000307
AC:
448
AN:
1457348
Hom.:
4
Cov.:
31
AF XY:
0.000269
AC XY:
195
AN XY:
724994
show subpopulations
Gnomad4 AFR exome
AF:
0.00858
Gnomad4 AMR exome
AF:
0.00103
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000495
Gnomad4 OTH exome
AF:
0.000880
GnomAD4 genome
AF:
0.00257
AC:
391
AN:
152348
Hom.:
1
Cov.:
34
AF XY:
0.00264
AC XY:
197
AN XY:
74500
show subpopulations
Gnomad4 AFR
AF:
0.00871
Gnomad4 AMR
AF:
0.00111
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000193
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000103
Gnomad4 OTH
AF:
0.00189
Alfa
AF:
0.000336
Hom.:
0
Bravo
AF:
0.00273
ESP6500AA
AF:
0.00886
AC:
39
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.000948
AC:
115

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:1
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Epilepsy Benign:1
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpFeb 01, 2024- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.10
BayesDel_addAF
Benign
-0.55
T
BayesDel_noAF
Benign
-0.55
CADD
Benign
3.3
DANN
Uncertain
0.98
DEOGEN2
Benign
0.022
T;.;.;.;.;T;.
Eigen
Benign
-0.60
Eigen_PC
Benign
-0.57
FATHMM_MKL
Benign
0.27
N
LIST_S2
Uncertain
0.89
D;.;D;D;D;D;T
MetaRNN
Benign
0.0062
T;T;T;T;T;T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
0.69
.;N;N;.;.;N;N
MutationTaster
Benign
1.0
N;N;N;N
PrimateAI
Benign
0.39
T
PROVEAN
Benign
-0.64
N;N;N;N;N;N;N
REVEL
Benign
0.019
Sift
Benign
0.095
T;T;T;T;T;T;T
Sift4G
Benign
0.16
T;T;T;T;T;T;T
Polyphen
0.10, 0.76, 0.51
.;B;B;.;.;P;P
Vest4
0.099, 0.098, 0.079, 0.094, 0.083
MVP
0.31
MPC
0.21
ClinPred
0.0035
T
GERP RS
1.8
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.030
gMVP
0.20

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: rs11864607; hg19: chr16-624108; API