16-93226-C-T

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_001077350.3(NPRL3):c.1024G>A(p.Val342Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000194 in 1,549,520 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/19 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. V342L) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000020 ( 0 hom. )

Consequence

NPRL3
NM_001077350.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.78

Publications

7 publications found

Variant links:

Genes affected

NPRL3 (HGNC:14124): (NPR3 like, GATOR1 complex subunit) Contributes to GTPase activator activity. Involved in cellular response to amino acid starvation and negative regulation of TOR signaling. Located in lysosomal membrane. Part of GATOR1 complex. Implicated in focal epilepsy. [provided by Alliance of Genome Resources, Apr 2022]

NPRL3 Gene-Disease associations (from GenCC):

focal epilepsy
Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
epilepsy, familial focal, with variable foci 3
Inheritance: AD Classification: STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics
familial focal epilepsy with variable foci
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

NPRL3 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -6 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.1270403).

BS2

High AC in GnomAdExome4 at 28 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001077350.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
NPRL3	NM_001077350.3	MANE Select	c.1024G>A	p.Val342Ile	missense	Exon 10 of 14	NP_001070818.1	Q12980
NPRL3	NM_001243248.2		c.949G>A	p.Val317Ile	missense	Exon 9 of 13	NP_001230177.1	B7Z6Q0
NPRL3	NM_001243249.2		c.949G>A	p.Val317Ile	missense	Exon 8 of 12	NP_001230178.1	B7Z6Q0

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
NPRL3	ENST00000611875.5	TSL:5 MANE Select	c.1024G>A	p.Val342Ile	missense	Exon 10 of 14	ENSP00000478273.1	Q12980
NPRL3	ENST00000399953.7	TSL:1	c.949G>A	p.Val317Ile	missense	Exon 8 of 12	ENSP00000382834.4	B7Z6Q0
NPRL3	ENST00000621703.4	TSL:1	n.*609G>A		non_coding_transcript_exon	Exon 7 of 11	ENSP00000477801.1	A0A087WTE2

Frequencies

GnomAD3 genomes

AF:

0.0000131

AC:

AN:

152228

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000482

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000124

AC:

AN:

161568

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.000118

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:

0.0000155

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000200

AC:

AN:

1397292

Hom.:

Cov.:

AF XY:

0.0000159

AC XY:

AN XY:

689810

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

31608

American (AMR)

AF:

0.00

AC:

AN:

35938

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25206

East Asian (EAS)

AF:

0.0000278

AC:

AN:

35916

South Asian (SAS)

AF:

0.0000631

AC:

AN:

79262

European-Finnish (FIN)

AF:

0.00

AC:

AN:

49518

Middle Eastern (MID)

AF:

0.000176

AC:

AN:

5674

European-Non Finnish (NFE)

AF:

0.0000186

AC:

AN:

1076106

Other (OTH)

AF:

0.0000172

AC:

AN:

58064

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.498

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:

0.0000131

AC:

AN:

152228

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74378

show subpopulations

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

African (AFR)

AF:

0.0000482

AC:

AN:

41456

American (AMR)

AF:

0.00

AC:

AN:

15284

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5200

South Asian (SAS)

AF:

0.00

AC:

AN:

4836

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10624

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68042

Other (OTH)

AF:

0.00

AC:

AN:

2092

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0.000203476), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.375

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:

0.0000189

ExAC

AF:

0.0000182

AC:

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

Epilepsy, familial focal, with variable foci 3 (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.072

BayesDel_addAF

Benign

-0.38

BayesDel_noAF

Benign

-0.56

CADD

Benign

(source)

DANN

Benign

0.84

DEOGEN2

Benign

0.055

Eigen

Benign

-0.21

Eigen_PC

Benign

-0.058

FATHMM_MKL

Benign

0.74

LIST_S2

Uncertain

0.92

M_CAP

Benign

0.0033

MetaRNN

Benign

0.13

MetaSVM

Benign

-0.99

PhyloP100

2.8

PrimateAI

Benign

0.43

PROVEAN

Benign

-0.67

REVEL

Benign

0.11

Sift

Benign

0.16

Sift4G

Benign

0.96

Polyphen

0.0060

Vest4

0.090

MutPred

0.40

Loss of catalytic residue at V342 (P = 0.0877)

MVP

0.44

MPC

0.18

ClinPred

0.63

GERP RS

4.9

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.17

gMVP

0.14

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

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