rs139073416

Variant summary

Our verdict is Pathogenic. The variant received 12 ACMG points: 12P and 0B. PM5PP3_ModeratePP5_Very_Strong

The NM_017837.4(PIGV):​c.1022C>A​(p.Ala341Glu) variant causes a missense change. The variant allele was found at a frequency of 0.0000905 in 1,614,076 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Likely pathogenic (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. A341V) has been classified as Pathogenic.

Frequency

Genomes: 𝑓 0.00014 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000086 ( 0 hom. )

Consequence

PIGV
NM_017837.4 missense

Scores

7
9
2

Clinical Significance

Pathogenic/Likely pathogenic criteria provided, multiple submitters, no conflicts P:16

Conservation

PhyloP100: 5.69

Publications

30 publications found
Variant links:
Genes affected
PIGV (HGNC:26031): (phosphatidylinositol glycan anchor biosynthesis class V) This gene encodes a mannosyltransferase enzyme involved in the biosynthesis of glycosylphosphatidylinositol (GPI). GPI is a complex glycolipid that functions as a membrane anchor for many proteins and plays a role in multiple cellular processes including protein sorting and signal transduction. The encoded protein is localized to the endoplasmic reticulum and transfers the second mannose to the GPI backbone. Mutations in this gene are associated with hyperphosphatasia cognitive disability syndrome. Alternatively spliced transcript variants have been observed for this gene. [provided by RefSeq, Feb 2011]
PIGV Gene-Disease associations (from GenCC):
  • hyperphosphatasia with intellectual disability syndrome 1
    Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), G2P, Ambry Genetics, PanelApp Australia
  • hyperphosphatasia-intellectual disability syndrome
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Pathogenic. The variant received 12 ACMG points.

PM5
Other missense variant is known to change same aminoacid residue: Variant chr1-26795056-C-T is described in ClinVar as Pathogenic. ClinVar VariationId is 1287.Status of the report is no_assertion_criteria_provided, 0 stars.
PP3
MetaRNN computational evidence supports a deleterious effect, 0.862
PP5
Variant 1-26795056-C-A is Pathogenic according to our data. Variant chr1-26795056-C-A is described in ClinVar as Pathogenic/Likely_pathogenic. ClinVar VariationId is 1284.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_017837.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
PIGV
NM_017837.4
MANE Select
c.1022C>Ap.Ala341Glu
missense
Exon 3 of 4NP_060307.2
PIGV
NM_001202554.2
c.1022C>Ap.Ala341Glu
missense
Exon 3 of 4NP_001189483.1
PIGV
NM_001374478.1
c.1022C>Ap.Ala341Glu
missense
Exon 3 of 4NP_001361407.1

Ensembl Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
PIGV
ENST00000674202.1
MANE Select
c.1022C>Ap.Ala341Glu
missense
Exon 3 of 4ENSP00000501479.1
PIGV
ENST00000078527.9
TSL:1
c.1022C>Ap.Ala341Glu
missense
Exon 3 of 4ENSP00000078527.4
PIGV
ENST00000686325.1
c.1022C>Ap.Ala341Glu
missense
Exon 3 of 4ENSP00000509836.1

Frequencies

GnomAD3 genomes
AF:
0.000138
AC:
21
AN:
152192
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
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:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000265
Gnomad OTH
AF:
0.000479
GnomAD2 exomes
AF:
0.000115
AC:
29
AN:
251478
AF XY:
0.0000956
show subpopulations
Gnomad AFR exome
AF:
0.0000615
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:
0.000246
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000855
AC:
125
AN:
1461884
Hom.:
0
Cov.:
34
AF XY:
0.0000894
AC XY:
65
AN XY:
727242
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33480
American (AMR)
AF:
0.00
AC:
0
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.0000765
AC:
2
AN:
26134
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86258
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53418
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.000111
AC:
123
AN:
1112006
Other (OTH)
AF:
0.00
AC:
0
AN:
60396
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.481
Heterozygous variant carriers
0
8
16
23
31
39
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
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:
0.000138
AC:
21
AN:
152192
Hom.:
0
Cov.:
32
AF XY:
0.0000538
AC XY:
4
AN XY:
74348
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41428
American (AMR)
AF:
0.00
AC:
0
AN:
15288
Ashkenazi Jewish (ASJ)
AF:
0.000288
AC:
1
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5196
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4834
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10624
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.000265
AC:
18
AN:
68036
Other (OTH)
AF:
0.000479
AC:
1
AN:
2088
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.496
Heterozygous variant carriers
0
2
4
5
7
9
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
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:
0.000131
Hom.:
0
Bravo
AF:
0.000159
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000349
AC:
3
ExAC
AF:
0.000148
AC:
18
EpiCase
AF:
0.000164
EpiControl
AF:
0.00

ClinVar

ClinVar submissions as Germline

Significance:Pathogenic/Likely pathogenic
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
9
-
-
Hyperphosphatasia with intellectual disability syndrome 1 (9)
4
-
-
not provided (4)
1
-
-
Hyperphosphatasia-intellectual disability syndrome (1)
1
-
-
Inborn genetic diseases (1)
1
-
-
PIGV-related disorder (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.84
BayesDel_addAF
Pathogenic
0.23
D
BayesDel_noAF
Pathogenic
0.38
CADD
Uncertain
25
DANN
Uncertain
0.99
DEOGEN2
Uncertain
0.64
D
Eigen
Uncertain
0.65
Eigen_PC
Uncertain
0.58
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Benign
0.77
T
M_CAP
Uncertain
0.14
D
MetaRNN
Pathogenic
0.86
D
MetaSVM
Uncertain
0.70
D
MutationAssessor
Pathogenic
3.4
M
PhyloP100
5.7
PrimateAI
Uncertain
0.63
T
PROVEAN
Benign
-2.2
N
REVEL
Pathogenic
0.83
Sift
Uncertain
0.0030
D
Sift4G
Uncertain
0.0040
D
Polyphen
0.96
D
Vest4
0.85
MVP
0.96
MPC
0.66
ClinPred
0.46
T
GERP RS
4.1
Varity_R
0.64
gMVP
0.89
Mutation Taster
=8/92
disease causing (ClinVar)

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

Other links and lift over

dbSNP: rs139073416; hg19: chr1-27121547; API