Variant summary

Our verdict is Pathogenic. The variant received 12 ACMG points: 12P and 0B. PM1PP2PP3PP5_Very_Strong

The NM_014625.4(NPHS2):c.868G>A(p.Val290Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000148 in 1,613,552 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Likely pathogenic (★★).

Frequency

Genomes: 𝑓 0.00012 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00015 ( 0 hom. )

Consequence

NPHS2
NM_014625.4 missense

Scores

Clinical Significance

Pathogenic/Likely pathogenic criteria provided, multiple submitters, no conflicts P:18O:1

Conservation

PhyloP100: 2.27

Publications

22 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]

NPHS2 links:

AXDND1 (HGNC:26564): (axonemal dynein light chain domain containing 1)

AXDND1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Pathogenic. The variant received 12 ACMG points.

PM1

In a hotspot region, there are 6 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 1 benign, 3 uncertain 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.

PP3

MetaRNN computational evidence supports a deleterious effect, 0.803

PP5

Variant 1-179552608-C-T is Pathogenic according to our data. Variant chr1-179552608-C-T is described in ClinVar as Pathogenic/Likely_pathogenic. ClinVar VariationId is 126418.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_014625.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
NPHS2	NM_014625.4	MANE Select	c.868G>A	p.Val290Met	missense	Exon 7 of 8	NP_055440.1
AXDND1	NM_144696.6	MANE Select	c.3032-1904C>T		intron	N/A	NP_653297.3
NPHS2	NM_001297575.2		c.664G>A	p.Val222Met	missense	Exon 6 of 7	NP_001284504.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
NPHS2	ENST00000367615.9	TSL:1 MANE Select	c.868G>A	p.Val290Met	missense	Exon 7 of 8	ENSP00000356587.4
NPHS2	ENST00000367616.4	TSL:1	c.664G>A	p.Val222Met	missense	Exon 6 of 7	ENSP00000356588.4
AXDND1	ENST00000367618.8	TSL:1 MANE Select	c.3032-1904C>T		intron	N/A	ENSP00000356590.3

Frequencies

GnomAD3 genomes

AF:

0.000118

AC:

AN:

152216

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

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:

0.000265

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000112

AC:

AN:

250300

AF XY:

0.0000961

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.0000464

Gnomad NFE exome

AF:

0.000221

Gnomad OTH exome

AF:

0.000329

GnomAD4 exome

AF:

0.000151

AC:

221

AN:

1461336

Hom.:

Cov.:

AF XY:

0.000182

AC XY:

132

AN XY:

726938

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33470

American (AMR)

AF:

0.00

AC:

AN:

44690

Ashkenazi Jewish (ASJ)

AF:

0.0000383

AC:

AN:

26120

East Asian (EAS)

AF:

0.00

AC:

AN:

39694

South Asian (SAS)

AF:

0.0000232

AC:

AN:

86130

European-Finnish (FIN)

AF:

0.0000375

AC:

AN:

53356

Middle Eastern (MID)

AF:

0.000694

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

0.000186

AC:

207

AN:

1111762

Other (OTH)

AF:

0.0000829

AC:

AN:

60348

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.492

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<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:

0.000118

AC:

AN:

152216

Hom.:

Cov.:

AF XY:

0.000121

AC XY:

AN XY:

74378

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41462

American (AMR)

AF:

0.00

AC:

AN:

15282

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3466

East Asian (EAS)

AF:

0.00

AC:

AN:

5202

South Asian (SAS)

AF:

0.00

AC:

AN:

4822

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10624

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.000265

AC:

AN:

68040

Other (OTH)

AF:

0.00

AC:

AN:

2090

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.494

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<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:

0.000349

Hom.:

Bravo

AF:

0.000147

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000116

AC:

ExAC

AF:

0.0000741

AC:

EpiCase

AF:

0.000382

EpiControl

AF:

0.000178

ClinVar

ClinVar submissions as Germline

Significance:Pathogenic/Likely pathogenic

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

Nephrotic syndrome, type 2 (11)

not provided (6)

NPHS2-related disorder (1)

NEPHROTIC SYNDROME, TYPE 2, SUSCEPTIBILITY TO (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.25

BayesDel_addAF

Uncertain

0.15

BayesDel_noAF

Pathogenic

0.30

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Uncertain

0.76

Eigen

Uncertain

0.61

Eigen_PC

Uncertain

0.62

FATHMM_MKL

Uncertain

0.89

LIST_S2

Uncertain

0.89

M_CAP

Pathogenic

0.48

MetaRNN

Pathogenic

0.80

MetaSVM

Pathogenic

1.1

MutationAssessor

Benign

1.9

PhyloP100

2.3

PrimateAI

Uncertain

0.62

PROVEAN

Benign

-1.5

REVEL

Pathogenic

0.76

Sift

Uncertain

0.0040

Sift4G

Pathogenic

0.0010

Polyphen

1.0

Vest4

0.88

MVP

0.79

MPC

0.91

ClinPred

0.32

GERP RS

5.3

Varity_R

0.63

gMVP

0.85

Mutation Taster

=22/78

disease causing (ClinVar)

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.060

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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NM_014625.4:c.868G>A

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

ClinVar submissions as Germline

Computational scores

Splicing

Publications

Other links and lift over