Variant 6-3010073-A-T details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Likely benign. Variant got -3 ACMG points: 1P and 4B. PP3BS2

The NM_000904.6(NQO2):c.56A>T(p.Asn19Ile) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000322 in 1,614,114 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000034 ( 2 hom. )

Consequence

NQO2
NM_000904.6 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.78

Variant links:

Genes affected

NQO2 (HGNC:7856): (N-ribosyldihydronicotinamide:quinone dehydrogenase 2) This gene encodes a member of the thioredoxin family of enzymes. It is a cytosolic and ubiquitously expressed flavoprotein that catalyzes the two-electron reduction of quinone substrates and uses dihydronicotinamide riboside as a reducing coenzyme. Mutations in this gene have been associated with neurodegenerative diseases and several cancers. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Mar 2014]

NQO2 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -3 ACMG points.

PP3

MetaRNN computational evidence supports a deleterious effect, 0.79

BS2

High Homozygotes in GnomAdExome4 at 2 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein
NQO2	NM_000904.6 linkuse as main transcript	c.56A>T	p.Asn19Ile	missense_variant	3/7	ENST00000380455.11	NP_000895.2
NQO2	NM_001290221.2 linkuse as main transcript	c.56A>T	p.Asn19Ile	missense_variant	6/10		NP_001277150.1
NQO2	NM_001318940.2 linkuse as main transcript	c.56A>T	p.Asn19Ile	missense_variant	3/7		NP_001305869.1
NQO2	NM_001290222.2 linkuse as main transcript	c.56A>T	p.Asn19Ile	missense_variant	3/6		NP_001277151.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
NQO2	ENST00000380455.11 linkuse as main transcript	c.56A>T	p.Asn19Ile	missense_variant	3/7	1	NM_000904.6	ENSP00000369822	P1

Frequencies

GnomAD3 genomes

AF:

0.0000131

AC:

AN:

152130

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:

0.000414

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000636

AC:

AN:

251462

Hom.:

AF XY:

0.0000809

AC XY:

AN XY:

135902

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 SAS exome

AF:

0.000523

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000342

AC:

AN:

1461868

Hom.:

Cov.:

AF XY:

0.0000481

AC XY:

AN XY:

727236

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:

0.000580

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.0000131

AC:

AN:

152246

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74456

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:

0.000415

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.00000378

ExAC

AF:

0.0000741

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Aug 12, 2021

The c.56A>T (p.N19I) alteration is located in exon 3 (coding exon 2) of the NQO2 gene. This alteration results from a A to T substitution at nucleotide position 56, causing the asparagine (N) at amino acid position 19 to be replaced by an isoleucine (I). 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

0.55

BayesDel_addAF

Benign

-0.15

BayesDel_noAF

Benign

-0.10

CADD

Uncertain

DANN

Uncertain

0.99

DEOGEN2

Benign

0.36

.;.;.;T;.;T;.;T

Eigen

Pathogenic

0.80

Eigen_PC

Uncertain

0.63

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Pathogenic

1.0

D;.;D;.;.;.;D;D

M_CAP

Uncertain

0.15

MetaRNN

Pathogenic

0.79

D;D;D;D;D;D;D;D

MetaSVM

Benign

-0.53

MutationAssessor

Pathogenic

4.3

.;.;.;H;.;H;.;H

MutationTaster

Benign

1.0

D;D;D;D;D

PrimateAI

Uncertain

0.52

PROVEAN

Pathogenic

-8.7

D;D;D;D;D;D;D;D

REVEL

Uncertain

0.50

Sift

Pathogenic

0.0

D;D;D;D;D;D;D;D

Sift4G

Pathogenic

0.0010

D;D;D;D;D;D;D;D

Polyphen

1.0

.;.;.;D;.;D;.;D

Vest4

0.86, 0.85, 0.85

MutPred

0.73

Loss of disorder (P = 0.0135);Loss of disorder (P = 0.0135);Loss of disorder (P = 0.0135);Loss of disorder (P = 0.0135);Loss of disorder (P = 0.0135);Loss of disorder (P = 0.0135);Loss of disorder (P = 0.0135);Loss of disorder (P = 0.0135);

MVP

0.44

MPC

0.50

ClinPred

0.97

GERP RS

5.6

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.98

gMVP

0.82

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

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