16-93226-C-A

Position:

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_001077350.3(NPRL3):​c.1024G>T​(p.Val342Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00223 in 1,549,608 control chromosomes in the GnomAD database, including 10 homozygotes. In-silico tool predicts a benign outcome for this variant. 12/17 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0017 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0023 ( 10 hom. )

Consequence

NPRL3
NM_001077350.3 missense

Scores

3
14

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:7

Conservation

PhyloP100: 2.78
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]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.008386016).
BP6
Variant 16-93226-C-A is Benign according to our data. Variant chr16-93226-C-A is described in ClinVar as [Likely_benign]. Clinvar id is 542809.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-93226-C-A is described in Lovd as [Likely_benign].
BS1
Variant frequency is greater than expected in population nfe. gnomad4 allele frequency = 0.00167 (254/152346) while in subpopulation NFE AF= 0.00232 (158/68034). AF 95% confidence interval is 0.00203. There are 0 homozygotes in gnomad4. There are 125 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck.
BS2
High AC in GnomAd4 at 254 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
NPRL3NM_001077350.3 linkuse as main transcriptc.1024G>T p.Val342Leu missense_variant 10/14 ENST00000611875.5 NP_001070818.1 Q12980Q9BTE2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
NPRL3ENST00000611875.5 linkuse as main transcriptc.1024G>T p.Val342Leu missense_variant 10/145 NM_001077350.3 ENSP00000478273.1 Q12980

Frequencies

GnomAD3 genomes
AF:
0.00167
AC:
254
AN:
152228
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000507
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000262
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000414
Gnomad FIN
AF:
0.00612
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00232
Gnomad OTH
AF:
0.00191
GnomAD3 exomes
AF:
0.00177
AC:
286
AN:
161568
Hom.:
1
AF XY:
0.00160
AC XY:
137
AN XY:
85526
show subpopulations
Gnomad AFR exome
AF:
0.000237
Gnomad AMR exome
AF:
0.000481
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.000742
Gnomad FIN exome
AF:
0.00733
Gnomad NFE exome
AF:
0.00198
Gnomad OTH exome
AF:
0.00155
GnomAD4 exome
AF:
0.00229
AC:
3200
AN:
1397262
Hom.:
10
Cov.:
30
AF XY:
0.00222
AC XY:
1534
AN XY:
689796
show subpopulations
Gnomad4 AFR exome
AF:
0.000380
Gnomad4 AMR exome
AF:
0.000417
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000681
Gnomad4 FIN exome
AF:
0.00792
Gnomad4 NFE exome
AF:
0.00246
Gnomad4 OTH exome
AF:
0.00131
GnomAD4 genome
AF:
0.00167
AC:
254
AN:
152346
Hom.:
0
Cov.:
33
AF XY:
0.00168
AC XY:
125
AN XY:
74506
show subpopulations
Gnomad4 AFR
AF:
0.000505
Gnomad4 AMR
AF:
0.000261
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000414
Gnomad4 FIN
AF:
0.00612
Gnomad4 NFE
AF:
0.00232
Gnomad4 OTH
AF:
0.00189
Alfa
AF:
0.00186
Hom.:
0
Bravo
AF:
0.00111
TwinsUK
AF:
0.00324
AC:
12
ALSPAC
AF:
0.00234
AC:
9
ESP6500AA
AF:
0.000239
AC:
1
ESP6500EA
AF:
0.00215
AC:
18
ExAC
AF:
0.00132
AC:
145
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:7
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:4
Likely benign, criteria provided, single submitterclinical testingCeGaT Center for Human Genetics TuebingenJun 01, 2024NPRL3: BS1 -
Likely benign, no assertion criteria providedclinical testingGenome Diagnostics Laboratory, University Medical Center Utrecht-- -
Benign, criteria provided, single submitterclinical testingGeneDxJan 28, 2019- -
Likely benign, no assertion criteria providedclinical testingClinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center-- -
Epilepsy, familial focal, with variable foci 3 Benign:2
Likely benign, criteria provided, single submitterclinical testingARUP Laboratories, Molecular Genetics and Genomics, ARUP LaboratoriesOct 17, 2023- -
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 22, 2024- -
NPRL3-related disorder Benign:1
Benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesDec 23, 2019This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.13
BayesDel_addAF
Benign
-0.38
T
BayesDel_noAF
Benign
-0.32
CADD
Benign
20
DANN
Benign
0.35
DEOGEN2
Benign
0.052
T;.;T
Eigen
Benign
-0.23
Eigen_PC
Benign
-0.088
FATHMM_MKL
Uncertain
0.83
D
LIST_S2
Uncertain
0.91
D;D;.
MetaRNN
Benign
0.0084
T;T;T
MetaSVM
Benign
-1.0
T
PrimateAI
Uncertain
0.57
T
PROVEAN
Benign
-2.3
.;N;.
REVEL
Benign
0.12
Sift
Benign
0.058
.;T;.
Sift4G
Benign
0.69
T;T;T
Polyphen
0.062
B;P;B
Vest4
0.078
MutPred
0.39
Gain of helix (P = 0.132);.;Gain of helix (P = 0.132);
MVP
0.38
MPC
0.22
ClinPred
0.034
T
GERP RS
4.9
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.33
gMVP
0.28

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.

Other links and lift over

dbSNP: rs11558704; hg19: chr16-143224; COSMIC: COSV105335024; COSMIC: COSV105335024; API