Genetic Variant ENTPD2:p.Gly401Arg (chr9-137049024-C-T) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_203468.3(ENTPD2):c.1201G>A(p.Gly401Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000325 in 1,536,966 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 34)

Exomes 𝑓: 0.0000029 ( 0 hom. )

Consequence

ENTPD2
NM_203468.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.377

Variant links:

Genes affected

ENTPD2 (HGNC:3364): (ectonucleoside triphosphate diphosphohydrolase 2) The protein encoded by this gene is the type 2 enzyme of the ecto-nucleoside triphosphate diphosphohydrolase family (E-NTPDase). E-NTPDases are a family of ecto-nucleosidases that hydrolyze 5'-triphosphates. This ecto-ATPase is an integral membrane protein. Alternative splicing of this gene results in multiple transcript variants. [provided by RefSeq, Jul 2008]

ENTPD2 links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.19136691).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ENTPD2	NM_203468.3 link	c.1201G>A	p.Gly401Arg	missense_variant	Exon 8 of 9	ENST00000355097.7	NP_982293.1	Q9Y5L3-1
ENTPD2	XM_011519212.3 link	c.892G>A	p.Gly298Arg	missense_variant	Exon 7 of 8		XP_011517514.1
ENTPD2	NM_001246.4 link	c.1150-18G>A		intron_variant	Intron 7 of 8		NP_001237.1	Q9Y5L3-2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
ENTPD2	ENST00000355097.7 link	c.1201G>A	p.Gly401Arg	missense_variant	Exon 8 of 9	1	NM_203468.3	ENSP00000347213.2	Q9Y5L3-1
ENTPD2	ENST00000312665.7 link	c.1150-18G>A		intron_variant	Intron 7 of 8	1		ENSP00000312494.5	Q9Y5L3-2
ENTPD2	ENST00000460614.1 link	n.590G>A		non_coding_transcript_exon_variant	Exon 1 of 2	1

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152230

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

GnomAD4 exome

AF:

0.00000289

AC:

AN:

1384736

Hom.:

Cov.:

AF XY:

0.00000439

AC XY:

AN XY:

683310

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000371

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152230

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74366

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000147

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.00000756

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Jul 20, 2022

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.1201G>A (p.G401R) alteration is located in exon 8 (coding exon 8) of the ENTPD2 gene. This alteration results from a G to A substitution at nucleotide position 1201, causing the glycine (G) at amino acid position 401 to be replaced by an arginine (R). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.45

BayesDel_addAF

Benign

-0.25

BayesDel_noAF

Benign

-0.60

CADD

Benign

DANN

Benign

0.97

DEOGEN2

Benign

0.017

Eigen

Benign

-0.47

Eigen_PC

Benign

-0.63

FATHMM_MKL

Benign

0.092

LIST_S2

Uncertain

0.86

M_CAP

Benign

0.041

MetaRNN

Benign

0.19

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.1

PrimateAI

Uncertain

0.69

PROVEAN

Benign

-0.94

REVEL

Benign

0.11

Sift

Benign

0.20

Sift4G

Benign

0.29

Polyphen

0.99

Vest4

0.25

MutPred

0.65

Gain of MoRF binding (P = 0.0081);

MVP

0.35

MPC

0.082

ClinPred

0.19

GERP RS

0.32

Varity_R

0.20

gMVP

0.74

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.14

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over