Genetic Variant PTGIR:p.Val347Leu (chr19-46621402-C-A) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_000960.4(PTGIR):c.1039G>T(p.Val347Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000125 in 1,602,022 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. V347M) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

PTGIR
NM_000960.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.98

Publications

0 publications found

Variant links:

Genes affected

PTGIR (HGNC:9602): (prostaglandin I2 receptor) The protein encoded by this gene is a member of the G-protein coupled receptor family 1 and has been shown to be a receptor for prostacyclin. Prostacyclin, the major product of cyclooxygenase in macrovascular endothelium, elicits a potent vasodilation and inhibition of platelet aggregation through binding to this receptor. [provided by RefSeq, Jul 2008]

PTGIR links:

ENSG00000302712 (HGNC:):

ENSG00000302712 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.20239252).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000960.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	PTGIR	NM_000960.4	MANE Select	c.1039G>T	p.Val347Leu	missense	Exon 3 of 3	NP_000951.1	P43119

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
PTGIR	ENST00000291294.7	TSL:1 MANE Select	c.1039G>T	p.Val347Leu	missense	Exon 3 of 3	ENSP00000291294.1	P43119
PTGIR	ENST00000872951.1		c.1039G>T	p.Val347Leu	missense	Exon 3 of 3	ENSP00000543010.1
PTGIR	ENST00000872954.1		c.1039G>T	p.Val347Leu	missense	Exon 3 of 3	ENSP00000543013.1

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152240

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:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.00000408

AC:

AN:

244926

AF XY:

0.00

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:

0.00000906

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

6.90e-7

AC:

AN:

1449782

Hom.:

Cov.:

AF XY:

0.00000139

AC XY:

AN XY:

719344

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33186

American (AMR)

AF:

0.00

AC:

AN:

43904

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25466

East Asian (EAS)

AF:

0.00

AC:

AN:

39460

South Asian (SAS)

AF:

0.0000117

AC:

AN:

85400

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53022

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5714

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1103866

Other (OTH)

AF:

0.00

AC:

AN:

59764

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

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152240

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74380

show subpopulations

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.00

AC:

AN:

41472

American (AMR)

AF:

0.00

AC:

AN:

15284

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5196

South Asian (SAS)

AF:

0.00

AC:

AN:

4838

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10624

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68038

Other (OTH)

AF:

0.00

AC:

AN:

2090

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.325

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.:

Bravo

AF:

0.00000756

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000116

AC:

ExAC

AF:

0.00000824

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.12

BayesDel_addAF

Benign

-0.065

BayesDel_noAF

Benign

-0.33

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.22

Eigen

Benign

0.0036

Eigen_PC

Benign

-0.022

FATHMM_MKL

Benign

0.29

LIST_S2

Benign

0.79

M_CAP

Benign

0.022

MetaRNN

Benign

0.20

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.8

PhyloP100

2.0

PrimateAI

Uncertain

0.58

PROVEAN

Benign

-0.30

REVEL

Benign

0.059

Sift

Benign

0.14

Sift4G

Pathogenic

0.0

Polyphen

0.94

Vest4

0.23

MutPred

0.21

Loss of methylation at K342 (P = 0.1208)

MVP

0.78

MPC

0.25

ClinPred

0.66

GERP RS

2.5

Varity_R

0.066

gMVP

0.26

Mutation Taster

=90/10

polymorphism

(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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over