chr16-89794-G-T

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 2P and 7B. PM2BP4_StrongBP6_ModerateBP7

The ENST00000611875.5(NPRL3):​c.1270C>A​(p.Arg424Arg) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000691 in 1,446,872 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

NPRL3
ENST00000611875.5 synonymous

Scores

2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 2.36

Publications

9 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: Ambry Genetics, Labcorp Genetics (formerly Invitae)
  • familial focal epilepsy with variable foci
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -5 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.8).
BP6
Variant 16-89794-G-T is Benign according to our data. Variant chr16-89794-G-T is described in ClinVar as Likely_benign. ClinVar VariationId is 2105617.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
Synonymous conserved (PhyloP=2.36 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: ENST00000611875.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
NPRL3
NM_001077350.3
MANE Select
c.1270C>Ap.Arg424Arg
synonymous
Exon 12 of 14NP_001070818.1
NPRL3
NM_001243248.2
c.1195C>Ap.Arg399Arg
synonymous
Exon 11 of 13NP_001230177.1
NPRL3
NM_001243249.2
c.1195C>Ap.Arg399Arg
synonymous
Exon 10 of 12NP_001230178.1

Ensembl Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
NPRL3
ENST00000611875.5
TSL:5 MANE Select
c.1270C>Ap.Arg424Arg
synonymous
Exon 12 of 14ENSP00000478273.1
NPRL3
ENST00000399953.7
TSL:1
c.1195C>Ap.Arg399Arg
synonymous
Exon 10 of 12ENSP00000382834.4
NPRL3
ENST00000621703.4
TSL:1
n.*855C>A
non_coding_transcript_exon
Exon 9 of 11ENSP00000477801.1

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD2 exomes
AF:
0.00000448
AC:
1
AN:
223240
AF XY:
0.00
show subpopulations
Gnomad AFR exome
AF:
0.0000790
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:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
6.91e-7
AC:
1
AN:
1446872
Hom.:
0
Cov.:
31
AF XY:
0.00
AC XY:
0
AN XY:
718946
show subpopulations
African (AFR)
AF:
0.0000305
AC:
1
AN:
32774
American (AMR)
AF:
0.00
AC:
0
AN:
42734
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25646
East Asian (EAS)
AF:
0.00
AC:
0
AN:
38730
South Asian (SAS)
AF:
0.00
AC:
0
AN:
83660
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
51404
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5726
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1106392
Other (OTH)
AF:
0.00
AC:
0
AN:
59806
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.475
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<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
Cov.:
33
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.00000378

ClinVar

ClinVar submissions as Germline

Significance:Likely benign
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
-
1
Epilepsy, familial focal, with variable foci 3 (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.80
CADD
Benign
7.0
DANN
Benign
0.67
PhyloP100
2.4
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1

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

Other links and lift over

dbSNP: rs886037961; hg19: chr16-139792; API