Genetic Variant PTGS2:p.His403His (chr1-186675946-A-G) – ACMG Classification: Benign (-21 pts)

Variant summary

Our verdict is Benign. The variant received -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BA1

The NM_000963.4(PTGS2):c.1209T>C(p.His403His) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0032 in 1,613,926 control chromosomes in the GnomAD database, including 150 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.017 ( 80 hom., cov: 33)

Exomes 𝑓: 0.0017 ( 70 hom. )

Consequence

PTGS2
NM_000963.4 synonymous

Scores

Clinical Significance

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

Conservation

PhyloP100: -0.181

Publications

12 publications found

Variant links:

Genes affected

PTGS2 (HGNC:9605): (prostaglandin-endoperoxide synthase 2) Prostaglandin-endoperoxide synthase (PTGS), also known as cyclooxygenase, is the key enzyme in prostaglandin biosynthesis, and acts both as a dioxygenase and as a peroxidase. There are two isozymes of PTGS: a constitutive PTGS1 and an inducible PTGS2, which differ in their regulation of expression and tissue distribution. This gene encodes the inducible isozyme. It is regulated by specific stimulatory events, suggesting that it is responsible for the prostanoid biosynthesis involved in inflammation and mitogenesis. [provided by RefSeq, Feb 2009]

PTGS2 links:

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ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -21 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.72).

BP6

Variant 1-186675946-A-G is Benign according to our data. Variant chr1-186675946-A-G is described in ClinVar as [Benign]. Clinvar id is 780290.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=-0.181 with no splicing effect.

BA1

GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.057 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PTGS2	NM_000963.4 link	c.1209T>C	p.His403His	synonymous_variant	Exon 8 of 10	ENST00000367468.10	NP_000954.1	P35354

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PTGS2	ENST00000367468.10 link	c.1209T>C	p.His403His	synonymous_variant	Exon 8 of 10	1	NM_000963.4	ENSP00000356438.5		P35354

Frequencies

GnomAD3 genomes

AF:

0.0171

AC:

2604

AN:

152150

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0590

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00733

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00949

Gnomad NFE

AF:

0.000147

Gnomad OTH

AF:

0.0153

GnomAD2 exomes

AF:

0.00450

AC:

1131

AN:

251236

AF XY:

0.00314

show subpopulations

Gnomad AFR exome

AF:

0.0609

Gnomad AMR exome

AF:

0.00307

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000132

Gnomad OTH exome

AF:

0.00294

GnomAD4 exome

AF:

0.00175

AC:

2556

AN:

1461658

Hom.:

Cov.:

AF XY:

0.00145

AC XY:

1051

AN XY:

727148

show subpopulations

African (AFR)

AF:

0.0601

AC:

2012

AN:

33466

American (AMR)

AF:

0.00360

AC:

161

AN:

44682

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26126

East Asian (EAS)

AF:

0.00

AC:

AN:

39672

South Asian (SAS)

AF:

0.0000580

AC:

AN:

86234

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.00260

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.0000800

AC:

AN:

1111910

Other (OTH)

AF:

0.00454

AC:

274

AN:

60382

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.487

Heterozygous variant carriers

131

261

392

522

653

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0171

AC:

2605

AN:

152268

Hom.:

Cov.:

AF XY:

0.0165

AC XY:

1231

AN XY:

74440

show subpopulations

African (AFR)

AF:

0.0589

AC:

2448

AN:

41546

American (AMR)

AF:

0.00732

AC:

112

AN:

15294

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5190

South Asian (SAS)

AF:

0.000208

AC:

AN:

4818

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10606

Middle Eastern (MID)

AF:

0.00680

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.000147

AC:

AN:

68022

Other (OTH)

AF:

0.0151

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.498

Heterozygous variant carriers

121

242

363

484

605

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00867

Hom.:

Bravo

AF:

0.0204

Asia WGS

AF:

0.00260

AC:

AN:

3478

EpiCase

AF:

0.000109

EpiControl

AF:

0.000178

ClinVar

Significance: Benign

Submissions summary: Benign:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:2

Breakthrough Genomics, Breakthrough Genomics

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:not provided

- -

Jul 04, 2018

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.72

CADD

Benign

1.2

(source)

DANN

Benign

0.46

PhyloP100

-0.18

Mutation Taster

=96/4

polymorphism (auto)

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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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chr1-186675946-A-G

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over