chr19-35839375-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 4P and 2B. PM1PM2BP4_Moderate

The NM_004646.4(NPHS1):​c.2971G>A​(p.Val991Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000223 in 1,613,982 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000023 ( 0 hom. )

Consequence

NPHS1
NM_004646.4 missense

Scores

2
17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.997
Variant links:
Genes affected
NPHS1 (HGNC:7908): (NPHS1 adhesion molecule, nephrin) This gene encodes a member of the immunoglobulin family of cell adhesion molecules that functions in the glomerular filtration barrier in the kidney. The gene is primarily expressed in renal tissues, and the protein is a type-1 transmembrane protein found at the slit diaphragm of glomerular podocytes. The slit diaphragm is thought to function as an ultrafilter to exclude albumin and other plasma macromolecules in the formation of urine. Mutations in this gene result in Finnish-type congenital nephrosis 1, characterized by severe proteinuria and loss of the slit diaphragm and foot processes.[provided by RefSeq, Oct 2009]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM1
In a domain Fibronectin type-III (size 95) in uniprot entity NPHN_HUMAN there are 5 pathogenic changes around while only 1 benign (83%) in NM_004646.4
PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.12986887).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
NPHS1NM_004646.4 linkuse as main transcriptc.2971G>A p.Val991Ile missense_variant 22/29 ENST00000378910.10 NP_004637.1 O60500-1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
NPHS1ENST00000378910.10 linkuse as main transcriptc.2971G>A p.Val991Ile missense_variant 22/291 NM_004646.4 ENSP00000368190.4 O60500-1
NPHS1ENST00000353632.6 linkuse as main transcriptc.2971G>A p.Val991Ile missense_variant 22/285 ENSP00000343634.5 O60500-2

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152102
Hom.:
0
Cov.:
32
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:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000358
AC:
9
AN:
251470
Hom.:
0
AF XY:
0.0000441
AC XY:
6
AN XY:
135918
show subpopulations
Gnomad AFR exome
AF:
0.000123
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000327
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000440
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.0000233
AC:
34
AN:
1461880
Hom.:
0
Cov.:
32
AF XY:
0.0000234
AC XY:
17
AN XY:
727244
show subpopulations
Gnomad4 AFR exome
AF:
0.0000896
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000348
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000225
Gnomad4 OTH exome
AF:
0.0000497
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152102
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74302
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000294
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000115
Hom.:
7
ExAC
AF:
0.0000330
AC:
4

ClinVar

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

Submissions by phenotype

Kidney disorder Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingGenome Diagnostics Laboratory, The Hospital for Sick ChildrenDec 08, 2021- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.065
BayesDel_addAF
Benign
-0.43
T
BayesDel_noAF
Benign
-0.62
CADD
Benign
18
DANN
Uncertain
0.98
DEOGEN2
Benign
0.15
T;.
Eigen
Benign
-0.70
Eigen_PC
Benign
-0.55
FATHMM_MKL
Benign
0.43
N
LIST_S2
Benign
0.56
T;T
M_CAP
Benign
0.031
D
MetaRNN
Benign
0.13
T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
0.18
N;N
PrimateAI
Uncertain
0.50
T
PROVEAN
Benign
0.56
N;N
REVEL
Benign
0.051
Sift
Benign
0.057
T;T
Sift4G
Benign
0.41
T;T
Polyphen
0.0010
B;.
Vest4
0.13
MutPred
0.42
Gain of catalytic residue at P993 (P = 0.0606);Gain of catalytic residue at P993 (P = 0.0606);
MVP
0.65
MPC
0.084
ClinPred
0.13
T
GERP RS
1.1
Varity_R
0.019
gMVP
0.071

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
Details are displayed if max score is > 0.2

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

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs34736717; hg19: chr19-36330277; COSMIC: COSV62288665; COSMIC: COSV62288665; API