rs149318391

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_001015052.3(MPG):​c.812G>A​(p.Arg271His) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000975 in 1,539,194 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. 13/22 in silico tools predict a damaging outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000046 ( 0 hom., cov: 34)
Exomes 𝑓: 0.0000058 ( 0 hom. )

Consequence

MPG
NM_001015052.3 missense

Scores

13
4
1

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 9.89

Publications

11 publications found
Variant links:
Genes affected
MPG (HGNC:7211): (N-methylpurine DNA glycosylase) Predicted to enable alkylbase DNA N-glycosylase activity. Predicted to be involved in base-excision repair. Located in cytosol and nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]
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: Uncertain_significance. The variant received 4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.891

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001015052.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
MPG
NM_001015052.3
MANE Select
c.812G>Ap.Arg271His
missense
Exon 4 of 4NP_001015052.1P29372-4
NPRL3
NM_001077350.3
MANE Select
c.*998C>T
3_prime_UTR
Exon 14 of 14NP_001070818.1Q12980
MPG
NM_002434.4
c.827G>Ap.Arg276His
missense
Exon 5 of 5NP_002425.2Q1W6H1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
MPG
ENST00000356432.8
TSL:1 MANE Select
c.812G>Ap.Arg271His
missense
Exon 4 of 4ENSP00000348809.4P29372-4
NPRL3
ENST00000611875.5
TSL:5 MANE Select
c.*998C>T
3_prime_UTR
Exon 14 of 14ENSP00000478273.1Q12980
MPG
ENST00000219431.4
TSL:3
c.827G>Ap.Arg276His
missense
Exon 5 of 5ENSP00000219431.4P29372-1

Frequencies

GnomAD3 genomes
AF:
0.0000460
AC:
7
AN:
152214
Hom.:
0
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
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:
0.0000735
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000208
AC:
4
AN:
192524
AF XY:
0.0000195
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000113
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000594
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000577
AC:
8
AN:
1386862
Hom.:
0
Cov.:
31
AF XY:
0.00000441
AC XY:
3
AN XY:
680474
show subpopulations
African (AFR)
AF:
0.0000317
AC:
1
AN:
31506
American (AMR)
AF:
0.0000826
AC:
3
AN:
36304
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
21534
East Asian (EAS)
AF:
0.0000257
AC:
1
AN:
38884
South Asian (SAS)
AF:
0.00
AC:
0
AN:
74806
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
49566
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5394
European-Non Finnish (NFE)
AF:
0.00000280
AC:
3
AN:
1071862
Other (OTH)
AF:
0.00
AC:
0
AN:
57006
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.463
Heterozygous variant carriers
0
1
2
3
4
5
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
AF:
0.0000460
AC:
7
AN:
152332
Hom.:
0
Cov.:
34
AF XY:
0.00
AC XY:
0
AN XY:
74490
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41574
American (AMR)
AF:
0.0000653
AC:
1
AN:
15308
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5180
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4832
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10622
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.0000735
AC:
5
AN:
68026
Other (OTH)
AF:
0.00
AC:
0
AN:
2114
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.475
Heterozygous variant carriers
0
1
2
2
3
4
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:
0.000108
Hom.:
0
Bravo
AF:
0.0000264
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000233
AC:
2
ExAC
AF:
0.0000166
AC:
2

ClinVar

ClinVar submissions as Germline
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.63
BayesDel_addAF
Pathogenic
0.32
D
BayesDel_noAF
Pathogenic
0.22
CADD
Pathogenic
32
DANN
Pathogenic
1.0
DEOGEN2
Uncertain
0.48
T
Eigen
Pathogenic
1.0
Eigen_PC
Pathogenic
0.94
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Pathogenic
0.99
D
M_CAP
Benign
0.077
D
MetaRNN
Pathogenic
0.89
D
MetaSVM
Uncertain
0.21
D
MutationAssessor
Pathogenic
4.9
H
PhyloP100
9.9
PrimateAI
Uncertain
0.52
T
PROVEAN
Pathogenic
-4.8
D
REVEL
Pathogenic
0.73
Sift
Pathogenic
0.0
D
Sift4G
Uncertain
0.0020
D
Polyphen
1.0
D
Vest4
0.98
MVP
0.82
MPC
0.38
ClinPred
1.0
D
GERP RS
5.4
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.97
gMVP
0.93
Mutation Taster
=28/72
disease causing

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

Other links and lift over

dbSNP: rs149318391; hg19: chr16-135706; API