rs774843232

Variant names:

Your query was ambiguous. Multiple possible variants found:

Variant summary

Our verdict is Pathogenic. The variant received 11 ACMG points: 12P and 1B. PS3PP5_Very_StrongBP4

The NM_014489.4(PGAP2):c.713G>C(p.Arg238Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000149 in 1,614,024 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 pathogenic (★★). ClinVar reports functional evidence for this variant: "SCV006333704: "In vitro functional expression studies in CHO cells showed that the mutant protein was expressed but had significantly decreased activity compared to wildtype (Hansen L et al., 2013)."". Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R238C) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 31)

Exomes 𝑓: 0.000016 ( 0 hom. )

Consequence

PGAP2
NM_014489.4 missense

Scores

Clinical Significance

Pathogenic/Likely pathogenic criteria provided, multiple submitters, no conflicts P:4

Conservation

PhyloP100: 2.59

Publications

9 publications found

Variant links:

Genes affected

PGAP2 (HGNC:17893): (post-GPI attachment to proteins 2) The protein encoded by this gene plays a role in the maturation of glycosylphosphatidylinositol (GPI) anchors on GPI-anchored proteins. Mutations in this gene are associated with an autosomal recessive syndrome characterized by hyperphosphatasia and intellectual disability. [provided by RefSeq, Jul 2017]

PGAP2 Gene-Disease associations (from GenCC):

hyperphosphatasia with intellectual disability syndrome 3
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), G2P
hyperphosphatasia-intellectual disability syndrome
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

PGAP2 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Pathogenic. The variant received 11 ACMG points.

PS3

PS3 evidence extracted from ClinVar submissions: SCV006333704: "In vitro functional expression studies in CHO cells showed that the mutant protein was expressed but had significantly decreased activity compared to wildtype (Hansen L et al., 2013)."

PP5

Variant 11-3825024-G-C is Pathogenic according to our data. Variant chr11-3825024-G-C is described in ClinVar as Pathogenic/Likely_pathogenic. ClinVar VariationId is 50503.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP4

Computational evidence support a benign effect (MetaRNN=0.17579004). . Strength limited to SUPPORTING due to the PP5.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_014489.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
PGAP2	NM_014489.4	MANE Select	c.713G>C	p.Arg238Pro	missense	Exon 6 of 7	NP_055304.1	Q9UHJ9-2
PGAP2	NM_001256236.2		c.713G>C	p.Arg238Pro	missense	Exon 7 of 8	NP_001243165.2
PGAP2	NM_001346397.2		c.683G>C	p.Arg228Pro	missense	Exon 6 of 7	NP_001333326.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
PGAP2	ENST00000278243.9	TSL:1 MANE Select	c.713G>C	p.Arg238Pro	missense	Exon 6 of 7	ENSP00000278243.4	Q9UHJ9-2
PGAP2	ENST00000300730.10	TSL:1	c.689G>C	p.Arg230Pro	missense	Exon 6 of 7	ENSP00000300730.6	Q9UHJ9-5
PGAP2	ENST00000396993.8	TSL:1	c.62G>C	p.Arg21Pro	missense	Exon 5 of 6	ENSP00000380190.6	A8MZF5

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152182

Hom.:

Cov.:

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:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000358

AC:

AN:

251414

AF XY:

0.0000368

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:

0.00000879

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000157

AC:

AN:

1461842

Hom.:

Cov.:

AF XY:

0.0000234

AC XY:

AN XY:

727226

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33478

American (AMR)

AF:

0.00

AC:

AN:

44714

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.000220

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

0.00000270

AC:

AN:

1111978

Other (OTH)

AF:

0.0000166

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.497

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<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:

0.00000657

AC:

AN:

152182

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74354

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41444

American (AMR)

AF:

0.00

AC:

AN:

15282

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5200

South Asian (SAS)

AF:

0.000207

AC:

AN:

4820

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10616

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68036

Other (OTH)

AF:

0.00

AC:

AN:

2088

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<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.:

ExAC

AF:

0.0000494

AC:

ClinVar

ClinVar submissions

Significance:Pathogenic/Likely pathogenic

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

Hyperphosphatasia with intellectual disability syndrome 3 (3)

Cerebellar ataxia, intellectual disability, and dysequilibrium syndrome 3 (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.92

BayesDel_addAF

Benign

-0.077

BayesDel_noAF

Uncertain

-0.050

CADD

Uncertain

(source)

DANN

Uncertain

0.99

DEOGEN2

Uncertain

0.60

Eigen

Benign

0.076

Eigen_PC

Benign

0.069

FATHMM_MKL

Benign

0.043

LIST_S2

Benign

0.66

M_CAP

Benign

0.022

MetaRNN

Benign

0.18

MetaSVM

Benign

-0.96

MutationAssessor

Uncertain

2.2

PhyloP100

2.6

PrimateAI

Benign

0.36

PROVEAN

Uncertain

-2.6

REVEL

Benign

0.22

Sift

Benign

0.039

Sift4G

Benign

0.17

Polyphen

0.94

Vest4

0.85

MutPred

0.62

Loss of MoRF binding (P = 0.0114)

MVP

0.43

MPC

0.97

ClinPred

0.28

GERP RS

4.3

Varity_R

0.39

gMVP

0.87

Mutation Taster

=6/94

disease causing (ClinVar)

(source)

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

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over