rs146250226

Positions:

Variant summary

Our verdict is Likely benign. Variant got -1 ACMG points: 2P and 3B. PM2BP4_ModerateBS1_Supporting

The NM_153240.5(NPHP3):c.1082C>G(p.Ser361Cys) variant causes a missense change. The variant allele was found at a frequency of 0.0000619 in 1,501,520 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 0.00012 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000056 ( 0 hom. )

Consequence

NPHP3
NM_153240.5 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:3B:1

Conservation

PhyloP100: 5.86

Variant links:

Genes affected

NPHP3 (HGNC:7907): (nephrocystin 3) This gene encodes a protein containing a coiled-coil (CC) domain, a tubulin-tyrosine ligase (TTL) domain, and a tetratrico peptide repeat (TPR) domain. The encoded protein interacts with nephrocystin, it is required for normal ciliary development, and it functions in renal tubular development. Mutations in this gene are associated with nephronophthisis type 3, and also with renal-hepatic-pancreatic dysplasia, and Meckel syndrome type 7. Naturally occurring read-through transcripts exist between this gene and the downstream ACAD11 (acyl-CoA dehydrogenase family, member 11) gene. [provided by RefSeq, Feb 2011]

NPHP3 links:

NPHP3-ACAD11 (HGNC:48351): (NPHP3-ACAD11 readthrough (NMD candidate)) This locus represents naturally occurring read-through transcription between the neighboring NPHP3 (nephronophthisis 3, adolescent) and ACAD11 (acyl-CoA dehydrogenase family, member 11) genes on chromosome 3. The read-through transcript is a candidate for nonsense-mediated mRNA decay (NMD), and is thus unlikely to produce a protein product. [provided by RefSeq, Feb 2011]

NPHP3-ACAD11 links:

NPHP3 (HGNC:):

NPHP3 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.088161975).

BS1

Variant frequency is greater than expected in population eas. gnomad4 allele frequency = 0.000118 (18/152042) while in subpopulation EAS AF= 0.00347 (18/5182). AF 95% confidence interval is 0.00224. There are 0 homozygotes in gnomad4. There are 9 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck. Existence of Clinvar submissions makes me limit the strength of this signal to Supporting

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
NPHP3	NM_153240.5 linkuse as main transcript	c.1082C>G	p.Ser361Cys	missense_variant	6/27	ENST00000337331.10	NP_694972.3	Q7Z494-1
NPHP3-ACAD11	NR_037804.1 linkuse as main transcript	n.1186C>G		non_coding_transcript_exon_variant	6/45

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
NPHP3	ENST00000337331.10 linkuse as main transcript	c.1082C>G	p.Ser361Cys	missense_variant	6/27	1	NM_153240.5	ENSP00000338766.5		Q7Z494-1

Frequencies

GnomAD3 genomes

AF:

0.000118

AC:

AN:

151924

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:

0.00347

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

GnomAD3 exomes

AF:

0.000240

AC:

AN:

229036

Hom.:

AF XY:

0.000185

AC XY:

AN XY:

124142

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00307

Gnomad SAS exome

AF:

0.0000790

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000556

AC:

AN:

1349478

Hom.:

Cov.:

AF XY:

0.0000459

AC XY:

AN XY:

675304

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00177

Gnomad4 SAS exome

AF:

0.0000381

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00

Gnomad4 OTH exome

AF:

0.0000712

GnomAD4 genome

AF:

0.000118

AC:

AN:

152042

Hom.:

Cov.:

AF XY:

0.000121

AC XY:

AN XY:

74340

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00347

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.000204

ExAC

AF:

0.000231

AC:

Asia WGS

AF:

0.000291

AC:

AN:

3452

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:3Benign:1

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not provided

Uncertain:2

Uncertain significance, criteria provided, single submitter	clinical testing	GeneDx	Jul 18, 2017	The S361C variant in the NPHP3 gene has not been reported previously as a pathogenic variant, nor as a benign variant, to our knowledge. The S361C variant is observed in 27/7898 (0.3%) alleles from individuals of East Asian background, in the ExAC dataset (Lek et al., 2016). The S361C variant is a non-conservative amino acid substitution, which is likely to impact secondary protein structure as these residues differ in polarity, charge, size and/or other properties. This substitution occurs at a position that is conserved across species. In silico analysis is inconsistent in its predictions as to whether or not the variant is damaging to the protein structure/function. We interpret S361C as a variant of uncertain significance. -
Uncertain significance, criteria provided, single submitter	clinical testing	Eurofins Ntd Llc (ga)	Dec 20, 2017	- -

Nephronophthisis 3;C2673885:NPHP3-related Meckel-like syndrome;C3715199:Renal-hepatic-pancreatic dysplasia 1

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Fulgent Genetics, Fulgent Genetics

Oct 31, 2018

- -

Nephronophthisis

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Aug 10, 2023

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.24

BayesDel_addAF

Uncertain

0.12

BayesDel_noAF

Pathogenic

0.40

CADD

Pathogenic

DANN

Uncertain

0.99

DEOGEN2

Benign

0.40

Eigen

Pathogenic

0.80

Eigen_PC

Pathogenic

0.81

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Uncertain

0.90

M_CAP

Uncertain

0.20

MetaRNN

Benign

0.088

MetaSVM

Uncertain

0.79

MutationAssessor

Uncertain

2.1

PrimateAI

Uncertain

0.67

PROVEAN

Benign

-1.1

REVEL

Uncertain

0.62

Sift

Uncertain

0.0020

Sift4G

Uncertain

0.0020

Polyphen

1.0

Vest4

0.89

MVP

0.97

MPC

0.71

ClinPred

0.13

GERP RS

6.0

Varity_R

0.28

gMVP

0.54

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.050

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over