Variant 3-50347669-C-T details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM2BP4_ModerateBS2

The NM_006545.5(NPRL2):c.1080G>A(p.Met360Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000342 in 1,461,780 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000034 ( 0 hom. )

Consequence

NPRL2
NM_006545.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.83

Variant links:

Genes affected

NPRL2 (HGNC:24969): (NPR2 like, GATOR1 complex subunit) Enables protein kinase activity. Contributes to GTPase activator activity. Involved in cellular response to amino acid starvation; negative regulation of TOR signaling; and negative regulation of kinase activity. Located in lysosomal membrane. Part of GATOR1 complex. Implicated in focal epilepsy. [provided by Alliance of Genome Resources, Apr 2022]

NPRL2 links:

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.22532693).

BS2

High AC in GnomAdExome4 at 5 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein
NPRL2	NM_006545.5 linkuse as main transcript	c.1080G>A	p.Met360Ile	missense_variant	11/11	ENST00000232501.8	NP_006536.3
NPRL2	XM_047447310.1 linkuse as main transcript	c.1158G>A	p.Met386Ile	missense_variant	11/11		XP_047303266.1
NPRL2	XM_011533288.4 linkuse as main transcript	c.1071G>A	p.Met357Ile	missense_variant	10/10		XP_011531590.1
NPRL2	XM_017005556.3 linkuse as main transcript	c.720G>A	p.Met240Ile	missense_variant	9/9		XP_016861045.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
NPRL2	ENST00000232501.8 linkuse as main transcript	c.1080G>A	p.Met360Ile	missense_variant	11/11	1	NM_006545.5	ENSP00000232501	P1	Q8WTW4-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.00000796

AC:

AN:

251392

Hom.:

AF XY:

0.0000147

AC XY:

AN XY:

135892

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:

0.0000653

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000342

AC:

AN:

1461780

Hom.:

Cov.:

AF XY:

0.00000413

AC XY:

AN XY:

727174

show subpopulations

Gnomad4 AFR exome

AF:

0.0000299

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000464

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Epilepsy, familial focal, with variable foci 2

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Neuberg Centre For Genomic Medicine, NCGM

The missense c.1080G>A (p.Met360Ile) variant in the NPRL2 gene has not been reported previously as a pathogenic variant nor as a benign variant, to our knowledge. This variant is reported with the allele frequency (0.0007%) in the gnomAD Exomes and novel in 1000 Genomes. The amino acid Methionine at position 360 is changed to a Isoleucine changing protein sequence and it might alter its composition and physico-chemical properties. The amino acid change p.Met360Ile in NPRL2 is predicted as conserved by GERP++ and PhyloP across 100 vertebrates. For these reasons, this variant has been classified as Uncertain Significance -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.23

BayesDel_addAF

Benign

-0.24

BayesDel_noAF

Benign

-0.40

CADD

Benign

DANN

Benign

0.95

DEOGEN2

Benign

0.020

Eigen

Benign

-0.20

Eigen_PC

Benign

0.0090

FATHMM_MKL

Uncertain

0.85

LIST_S2

Benign

0.85

M_CAP

Benign

0.0020

MetaRNN

Benign

0.23

MetaSVM

Benign

-1.0

MutationAssessor

Benign

-0.030

MutationTaster

Benign

1.0

PrimateAI

Uncertain

0.59

PROVEAN

Benign

-0.20

REVEL

Benign

0.082

Sift

Benign

0.39

Sift4G

Benign

0.54

Polyphen

0.0

Vest4

0.24

MutPred

0.55

Gain of catalytic residue at M360 (P = 0.0165);

MVP

0.37

MPC

0.59

ClinPred

0.38

GERP RS

4.9

Varity_R

0.27

gMVP

0.34

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.020

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