rs375237454

Variant names:

Variant summary

Our verdict is Benign. The variant received -10 ACMG points: 0P and 10B. BP4_StrongBP6BP7BS1

The NM_015102.5(NPHP4):c.3837C>T(p.Phe1279Phe) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000138 in 1,589,260 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.00038 ( 0 hom., cov: 33)

Exomes 𝑓: 0.00011 ( 0 hom. )

Consequence

NPHP4
NM_015102.5 synonymous

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:2

Conservation

PhyloP100: -0.720

Publications

1 publications found

Variant links:

Genes affected

NPHP4 (HGNC:19104): (nephrocystin 4) This gene encodes a protein involved in renal tubular development and function. This protein interacts with nephrocystin, and belongs to a multifunctional complex that is localized to actin- and microtubule-based structures. Mutations in this gene are associated with nephronophthisis type 4, a renal disease, and with Senior-Loken syndrome type 4, a combination of nephronophthisis and retinitis pigmentosa. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Apr 2014]

NPHP4 Gene-Disease associations (from GenCC):

nephronophthisis 4
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Ambry Genetics, ClinGen, Labcorp Genetics (formerly Invitae), G2P
Senior-Loken syndrome 4
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), G2P
nephronophthisis 1
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
Senior-Loken syndrome
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

NPHP4 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -10 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.83).

BP6

Variant 1-5864497-G-A is Benign according to our data. Variant chr1-5864497-G-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 167371.We mark this variant Likely_benign, oryginal submission is: [Conflicting_classifications_of_pathogenicity].

BP7

Synonymous conserved (PhyloP=-0.72 with no splicing effect.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.000381 (58/152346) while in subpopulation AFR AF = 0.00123 (51/41588). AF 95% confidence interval is 0.000957. There are 0 homozygotes in GnomAd4. There are 34 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
NPHP4	NM_015102.5 link	c.3837C>T	p.Phe1279Phe	synonymous_variant	Exon 28 of 30	ENST00000378156.9	NP_055917.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
NPHP4	ENST00000378156.9 link	c.3837C>T	p.Phe1279Phe	synonymous_variant	Exon 28 of 30	1	NM_015102.5	ENSP00000367398.4	O75161-1
NPHP4	ENST00000378169.7 link	n.*2738C>T		non_coding_transcript_exon_variant	Exon 25 of 27	1		ENSP00000367411.3	D6RA06
NPHP4	ENST00000489180.6 link	n.*1648C>T		non_coding_transcript_exon_variant	Exon 31 of 33	2		ENSP00000423747.1	O75161-2
NPHP4	ENST00000378169.7 link	n.*2738C>T		3_prime_UTR_variant	Exon 25 of 27	1		ENSP00000367411.3	D6RA06
NPHP4	ENST00000489180.6 link	n.*1648C>T		3_prime_UTR_variant	Exon 31 of 33	2		ENSP00000423747.1	O75161-2

Frequencies

GnomAD3 genomes

AF:

0.000381

AC:

AN:

152228

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00123

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000193

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00316

Gnomad NFE

AF:

0.0000735

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000986

AC:

AN:

213030

AF XY:

0.0000776

show subpopulations

Gnomad AFR exome

AF:

0.00131

Gnomad AMR exome

AF:

0.0000329

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000421

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000113

AC:

162

AN:

1436914

Hom.:

Cov.:

AF XY:

0.000108

AC XY:

AN XY:

711820

show subpopulations

African (AFR)

AF:

0.00122

AC:

AN:

32850

American (AMR)

AF:

0.0000483

AC:

AN:

41432

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25526

East Asian (EAS)

AF:

0.00

AC:

AN:

38660

South Asian (SAS)

AF:

0.0000240

AC:

AN:

83228

European-Finnish (FIN)

AF:

0.00

AC:

AN:

51440

Middle Eastern (MID)

AF:

0.00351

AC:

AN:

5698

European-Non Finnish (NFE)

AF:

0.0000810

AC:

AN:

1098810

Other (OTH)

AF:

0.000152

AC:

AN:

59270

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.476

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.000381

AC:

AN:

152346

Hom.:

Cov.:

AF XY:

0.000456

AC XY:

AN XY:

74498

show subpopulations

African (AFR)

AF:

0.00123

AC:

AN:

41588

American (AMR)

AF:

0.00

AC:

AN:

15312

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.000193

AC:

AN:

5172

South Asian (SAS)

AF:

0.00

AC:

AN:

4826

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10630

Middle Eastern (MID)

AF:

0.00340

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000735

AC:

AN:

68032

Other (OTH)

AF:

0.00

AC:

AN:

2108

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.498

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.000295

Hom.:

Bravo

AF:

0.000431

Asia WGS

AF:

0.000289

AC:

AN:

3478

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:1Benign:2

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not provided

Uncertain:1

Jul 10, 2017

Eurofins Ntd Llc (ga)

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

NPHP4-related disorder

Benign:1

Oct 15, 2019

PreventionGenetics, part of Exact Sciences

Significance:Likely benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Nephronophthisis

Benign:1

Dec 19, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.83

CADD

Benign

7.4

(source)

DANN

Benign

0.78

PhyloP100

-0.72

Mutation Taster

=97/3

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.18

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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rs375237454

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over