rs374146357

Variant names:

Variant summary

Our verdict is Benign. The variant received -7 ACMG points: 0P and 7B. BP4_ModerateBP6BS1

The NM_015102.5(NPHP4):c.4114C>T(p.Leu1372Leu) variant causes a synonymous change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000212 in 1,613,966 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 0.00058 ( 0 hom., cov: 33)

Exomes 𝑓: 0.00017 ( 0 hom. )

Consequence

NPHP4
NM_015102.5 synonymous

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:3B:4

Conservation

PhyloP100: 7.60

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: Labcorp Genetics (formerly Invitae), Ambry Genetics, G2P, ClinGen
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

new If you want to explore the variant's impact on the transcript NM_015102.5, check out the Mutation Effect Viewer. This is especially useful for frameshift variants or if you want to visualize the effect of exon loss / intron retention.

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -7 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.43).

BP6

Variant 1-5863916-G-A is Benign according to our data. Variant chr1-5863916-G-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 215887.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.000584 (89/152298) while in subpopulation AFR AF = 0.00168 (70/41566). AF 95% confidence interval is 0.00137. 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.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_015102.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
NPHP4	NM_015102.5	MANE Select	c.4114C>T	p.Leu1372Leu	synonymous	Exon 29 of 30	NP_055917.1	O75161-1
NPHP4	NM_001291594.2		c.2578C>T	p.Leu860Leu	synonymous	Exon 25 of 26	NP_001278523.1
NPHP4	NM_001291593.2		c.2575C>T	p.Leu859Leu	synonymous	Exon 26 of 27	NP_001278522.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
NPHP4	ENST00000378156.9	TSL:1 MANE Select	c.4114C>T	p.Leu1372Leu	synonymous	Exon 29 of 30	ENSP00000367398.4	O75161-1
NPHP4	ENST00000378169.7	TSL:1	n.*3015C>T		non_coding_transcript_exon	Exon 26 of 27	ENSP00000367411.3	D6RA06
NPHP4	ENST00000460696.1	TSL:1	n.2862C>T		non_coding_transcript_exon	Exon 3 of 3

Frequencies

GnomAD3 genomes

AF:

0.000585

AC:

AN:

152180

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00169

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000589

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00633

Gnomad NFE

AF:

0.0000882

Gnomad OTH

AF:

0.000958

GnomAD2 exomes

AF:

0.000385

AC:

AN:

249064

AF XY:

0.000274

show subpopulations

Gnomad AFR exome

AF:

0.00149

Gnomad AMR exome

AF:

0.00136

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.0000928

Gnomad NFE exome

AF:

0.000195

Gnomad OTH exome

AF:

0.000330

GnomAD4 exome

AF:

0.000173

AC:

253

AN:

1461668

Hom.:

Cov.:

AF XY:

0.000155

AC XY:

113

AN XY:

727122

show subpopulations

African (AFR)

AF:

0.00143

AC:

AN:

33480

American (AMR)

AF:

0.00119

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.0000375

AC:

AN:

53396

Middle Eastern (MID)

AF:

0.000870

AC:

AN:

5750

European-Non Finnish (NFE)

AF:

0.000103

AC:

115

AN:

1111854

Other (OTH)

AF:

0.000497

AC:

AN:

60370

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.464

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:

0.000584

AC:

AN:

152298

Hom.:

Cov.:

AF XY:

0.000457

AC XY:

AN XY:

74472

show subpopulations

African (AFR)

AF:

0.00168

AC:

AN:

41566

American (AMR)

AF:

0.000588

AC:

AN:

15308

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5176

South Asian (SAS)

AF:

0.00

AC:

AN:

4826

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10628

Middle Eastern (MID)

AF:

0.00680

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000882

AC:

AN:

68006

Other (OTH)

AF:

0.000948

AC:

AN:

2110

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.499

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:

0.000416

Hom.:

Bravo

AF:

0.000722

EpiCase

AF:

0.000491

EpiControl

AF:

0.000237

ClinVar

ClinVar submissions

Significance:Conflicting classifications of pathogenicity

Revision:criteria provided, conflicting classifications

View on ClinVar

Pathogenic

VUS

Benign

Condition

not provided (3)

Nephronophthisis (1)

Nephronophthisis 4 (1)

not specified (1)

Senior-Loken syndrome 4 (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.43

CADD

Benign

2.9

(source)

DANN

Benign

0.75

PhyloP100

7.6

Mutation Taster

=93/7

polymorphism

(source)

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

MaxEntScan Visualizer can be used to analyze the impact of this mutation on the neighboring sequence.

Publications

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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

Computational scores

Splicing

Publications

Other links and lift over