10-81875624-A-G

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BP4_Strong

The NM_001010848.4(NRG3):​c.284A>G​(p.Lys95Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000182 in 1,613,708 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000099 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00019 ( 0 hom. )

Consequence

NRG3
NM_001010848.4 missense

Scores

2
17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.58

Publications

1 publications found
Variant links:
Genes affected
NRG3 (HGNC:7999): (neuregulin 3) This gene is a member of the neuregulin gene family. This gene family encodes ligands for the transmembrane tyrosine kinase receptors ERBB3 and ERBB4 - members of the epidermal growth factor receptor family. Ligand binding activates intracellular signaling cascades and the induction of cellular responses including proliferation, migration, differentiation, and survival or apoptosis. This gene encodes neuregulin 3 (NRG3). NRG3 has been shown to activate the tyrosine phosphorylation of its cognate receptor, ERBB4, and is thought to influence neuroblast proliferation, migration and differentiation by signalling through ERBB4. NRG3 also promotes mammary differentiation during embryogenesis. Linkage studies have implicated this gene as a susceptibility locus for schizophrenia and schizoaffective disorder. Alternative splicing results in multiple transcript variants encoding distinct isoforms. Additional transcript variants have been described but their biological validity has not been verified.[provided by RefSeq, Sep 2009]

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.06501761).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
NRG3NM_001010848.4 linkc.284A>G p.Lys95Arg missense_variant Exon 1 of 9 ENST00000372141.7 NP_001010848.2 P56975-4B9EGV5

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
NRG3ENST00000372141.7 linkc.284A>G p.Lys95Arg missense_variant Exon 1 of 9 1 NM_001010848.4 ENSP00000361214.2 P56975-4

Frequencies

GnomAD3 genomes
AF:
0.0000987
AC:
15
AN:
151992
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000483
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
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:
0.000191
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000759
AC:
19
AN:
250170
AF XY:
0.0000886
show subpopulations
Gnomad AFR exome
AF:
0.0000618
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000466
Gnomad NFE exome
AF:
0.000151
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000190
AC:
278
AN:
1461598
Hom.:
0
Cov.:
32
AF XY:
0.000182
AC XY:
132
AN XY:
727112
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33480
American (AMR)
AF:
0.00
AC:
0
AN:
44718
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26136
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86258
European-Finnish (FIN)
AF:
0.0000188
AC:
1
AN:
53152
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.000234
AC:
260
AN:
1111992
Other (OTH)
AF:
0.000281
AC:
17
AN:
60394
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.493
Heterozygous variant carriers
0
18
36
55
73
91
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
20
40
60
80
100
<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:
0.0000986
AC:
15
AN:
152110
Hom.:
0
Cov.:
32
AF XY:
0.000108
AC XY:
8
AN XY:
74362
show subpopulations
African (AFR)
AF:
0.0000482
AC:
2
AN:
41528
American (AMR)
AF:
0.00
AC:
0
AN:
15300
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3468
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5130
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4822
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10610
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
292
European-Non Finnish (NFE)
AF:
0.000191
AC:
13
AN:
67938
Other (OTH)
AF:
0.00
AC:
0
AN:
2112
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.512
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

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:
0.000120
Hom.:
0
Bravo
AF:
0.0000869
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.0000412
AC:
5
EpiCase
AF:
0.000164
EpiControl
AF:
0.000296

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Jun 10, 2025
Ambry Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The c.284A>G (p.K95R) alteration is located in exon 1 (coding exon 1) of the NRG3 gene. This alteration results from a A to G substitution at nucleotide position 284, causing the lysine (K) at amino acid position 95 to be replaced by an arginine (R). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.11
BayesDel_addAF
Benign
-0.46
T
BayesDel_noAF
Benign
-0.64
CADD
Uncertain
25
DANN
Uncertain
0.99
DEOGEN2
Benign
0.20
.;T
Eigen
Benign
-0.51
Eigen_PC
Benign
-0.36
FATHMM_MKL
Benign
0.65
D
LIST_S2
Benign
0.79
T;T
M_CAP
Benign
0.013
T
MetaRNN
Benign
0.065
T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
0.34
N;N
PhyloP100
1.6
PrimateAI
Uncertain
0.64
T
PROVEAN
Benign
-0.30
N;N
REVEL
Benign
0.025
Sift
Benign
0.72
T;T
Sift4G
Benign
0.14
T;T
Polyphen
0.21
B;.
Vest4
0.20
MVP
0.37
MPC
0.54
ClinPred
0.037
T
GERP RS
2.8
PromoterAI
-0.055
Neutral
Varity_R
0.058
gMVP
0.094
Mutation Taster
=83/17
polymorphism

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: rs143879754; hg19: chr10-83635380; API