rs529444645

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 3P and 2B. PM1PP2BP4_Moderate

The NM_014625.4(NPHS2):​c.1127A>G​(p.Lys376Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000434 in 1,614,066 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 0.000020 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000027 ( 0 hom. )

Consequence

NPHS2
NM_014625.4 missense

Scores

2
3
14

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.621

Publications

0 publications found
Variant links:
Genes affected
NPHS2 (HGNC:13394): (NPHS2 stomatin family member, podocin) This gene encodes a protein that plays a role in the regulation of glomerular permeability. Mutations in this gene cause steroid-resistant nephrotic syndrome. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2014]
AXDND1 (HGNC:26564): (axonemal dynein light chain domain containing 1)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM1
In a topological_domain Cytoplasmic (size 259) in uniprot entity PODO_HUMAN there are 35 pathogenic changes around while only 3 benign (92%) in NM_014625.4
PP2
Missense variant in the gene, where a lot of missense mutations are associated with disease in ClinVar. The gene has 29 curated pathogenic missense variants (we use a threshold of 10). The gene has 4 curated benign missense variants. Gene score misZ: 0.68612 (below the threshold of 3.09). Trascript score misZ: 0.038296 (below the threshold of 3.09). GenCC associations: The gene is linked to nephrotic syndrome, type 2, familial idiopathic steroid-resistant nephrotic syndrome.
BP4
Computational evidence support a benign effect (MetaRNN=0.07645023).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
NPHS2NM_014625.4 linkc.1127A>G p.Lys376Arg missense_variant Exon 8 of 8 ENST00000367615.9 NP_055440.1 Q9NP85-1
AXDND1NM_144696.6 linkc.3032-3314T>C intron_variant Intron 25 of 25 ENST00000367618.8 NP_653297.3 Q5T1B0-1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
NPHS2ENST00000367615.9 linkc.1127A>G p.Lys376Arg missense_variant Exon 8 of 8 1 NM_014625.4 ENSP00000356587.4 Q9NP85-1
AXDND1ENST00000367618.8 linkc.3032-3314T>C intron_variant Intron 25 of 25 1 NM_144696.6 ENSP00000356590.3 Q5T1B0-1

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152110
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000242
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000131
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000199
AC:
5
AN:
250778
AF XY:
0.00000737
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000868
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000883
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.00000274
AC:
4
AN:
1461838
Hom.:
0
Cov.:
36
AF XY:
0.00000275
AC XY:
2
AN XY:
727220
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33478
American (AMR)
AF:
0.0000671
AC:
3
AN:
44716
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26134
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39696
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86256
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53408
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5766
European-Non Finnish (NFE)
AF:
8.99e-7
AC:
1
AN:
1111994
Other (OTH)
AF:
0.00
AC:
0
AN:
60390
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.450
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152228
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74422
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41528
American (AMR)
AF:
0.000131
AC:
2
AN:
15298
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5178
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4826
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10604
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68004
Other (OTH)
AF:
0.00
AC:
0
AN:
2114
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.492
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

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:
0.0000868
Hom.:
0
Bravo
AF:
0.0000453
ExAC
AF:
0.00000824
AC:
1

ClinVar

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

Submissions by phenotype

not provided Uncertain:1
Sep 17, 2021
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This sequence change replaces lysine with arginine at codon 376 of the NPHS2 protein (p.Lys376Arg). The lysine residue is weakly conserved and there is a small physicochemical difference between lysine and arginine. This variant is present in population databases (rs529444645, ExAC 0.009%). This variant has not been reported in the literature in individuals with NPHS2-related conditions. Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt NPHS2 protein function. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.072
BayesDel_addAF
Benign
-0.058
T
BayesDel_noAF
Benign
-0.12
CADD
Benign
17
DANN
Uncertain
1.0
DEOGEN2
Benign
0.26
T;.
Eigen
Benign
-0.35
Eigen_PC
Benign
-0.22
FATHMM_MKL
Benign
0.63
D
LIST_S2
Benign
0.65
T;T
M_CAP
Pathogenic
0.46
D
MetaRNN
Benign
0.076
T;T
MetaSVM
Pathogenic
0.94
D
MutationAssessor
Benign
1.9
M;.
PhyloP100
0.62
PrimateAI
Benign
0.36
T
PROVEAN
Benign
-0.91
N;N
REVEL
Uncertain
0.37
Sift
Uncertain
0.024
D;D
Sift4G
Benign
0.26
T;T
Polyphen
0.45
P;B
Vest4
0.055
MutPred
0.20
Loss of methylation at K376 (P = 0.0126);.;
MVP
0.74
MPC
0.21
ClinPred
0.29
T
GERP RS
2.9
Varity_R
0.056
gMVP
0.36
Mutation Taster
=94/6
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: rs529444645; hg19: chr1-179520333; API