chr16-88886-G-A

Variant summary

Our verdict is Benign. The variant received -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BS1BS2

The ENST00000611875.5(NPRL3):​c.1356C>T​(p.Ser452Ser) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000174 in 1,609,172 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: 𝑓 0.00014 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00018 ( 0 hom. )

Consequence

NPRL3
ENST00000611875.5 synonymous

Scores

2

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: 2.63

Publications

0 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: Benign. The variant received -21 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.58).
BP6
Variant 16-88886-G-A is Benign according to our data. Variant chr16-88886-G-A is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 542808.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=2.63 with no splicing effect.
BS1
Variant frequency is greater than expected in population mid. GnomAdExome4 allele frequency = 0.000177 (258/1456948) while in subpopulation MID AF = 0.0108 (62/5754). AF 95% confidence interval is 0.00863. There are 0 homozygotes in GnomAdExome4. There are 128 alleles in the male GnomAdExome4 subpopulation. Median coverage is 31. This position passed quality control check.
BS2
High AC in GnomAd4 at 22 AD gene.

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.1356C>Tp.Ser452Ser
synonymous
Exon 13 of 14NP_001070818.1
NPRL3
NM_001243248.2
c.1281C>Tp.Ser427Ser
synonymous
Exon 12 of 13NP_001230177.1
NPRL3
NM_001243249.2
c.1281C>Tp.Ser427Ser
synonymous
Exon 11 of 12NP_001230178.1

Ensembl Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
NPRL3
ENST00000611875.5
TSL:5 MANE Select
c.1356C>Tp.Ser452Ser
synonymous
Exon 13 of 14ENSP00000478273.1
NPRL3
ENST00000399953.7
TSL:1
c.1281C>Tp.Ser427Ser
synonymous
Exon 11 of 12ENSP00000382834.4
NPRL3
ENST00000621703.4
TSL:1
n.*941C>T
non_coding_transcript_exon
Exon 10 of 11ENSP00000477801.1

Frequencies

GnomAD3 genomes
AF:
0.000145
AC:
22
AN:
152224
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000965
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000131
Gnomad ASJ
AF:
0.00173
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000132
Gnomad OTH
AF:
0.000478
GnomAD2 exomes
AF:
0.000194
AC:
48
AN:
247524
AF XY:
0.000216
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000873
Gnomad ASJ exome
AF:
0.00160
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000205
Gnomad OTH exome
AF:
0.000832
GnomAD4 exome
AF:
0.000177
AC:
258
AN:
1456948
Hom.:
0
Cov.:
31
AF XY:
0.000177
AC XY:
128
AN XY:
723704
show subpopulations
African (AFR)
AF:
0.0000299
AC:
1
AN:
33414
American (AMR)
AF:
0.0000673
AC:
3
AN:
44596
Ashkenazi Jewish (ASJ)
AF:
0.00196
AC:
51
AN:
26066
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39550
South Asian (SAS)
AF:
0.0000232
AC:
2
AN:
86098
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53332
Middle Eastern (MID)
AF:
0.0108
AC:
62
AN:
5754
European-Non Finnish (NFE)
AF:
0.000105
AC:
116
AN:
1107988
Other (OTH)
AF:
0.000382
AC:
23
AN:
60150
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.485
Heterozygous variant carriers
0
14
29
43
58
72
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
10
20
30
40
50
<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:
0.000145
AC:
22
AN:
152224
Hom.:
0
Cov.:
33
AF XY:
0.000134
AC XY:
10
AN XY:
74364
show subpopulations
African (AFR)
AF:
0.0000965
AC:
4
AN:
41456
American (AMR)
AF:
0.000131
AC:
2
AN:
15288
Ashkenazi Jewish (ASJ)
AF:
0.00173
AC:
6
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5196
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4832
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10626
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.000132
AC:
9
AN:
68034
Other (OTH)
AF:
0.000478
AC:
1
AN:
2094
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.502
Heterozygous variant carriers
0
2
4
6
8
10
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome 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
Alfa
AF:
0.000311
Hom.:
0
Bravo
AF:
0.000185
EpiCase
AF:
0.0000545
EpiControl
AF:
0.000178

ClinVar

ClinVar submissions as Germline

Significance:Benign/Likely benign
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
-
3
not provided (3)
-
-
1
Epilepsy, familial focal, with variable foci 3 (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.58
CADD
Benign
13
DANN
Benign
0.55
PhyloP100
2.6
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Mutation Taster
=98/2
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.070
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: rs373792025; hg19: chr16-138884; API