rs200118387
Variant summary
Our verdict is Likely benign. Variant got -5 ACMG points: 0P and 5B. BP6BS1
The NM_001128178.3(NPHP1):c.625-3_625-2insT variant causes a splice region, splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000129 in 1,606,868 control chromosomes in the GnomAD database, including 3 homozygotes. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).
Frequency
Genomes: 𝑓 0.00012 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00013 ( 3 hom. )
Consequence
NPHP1
NM_001128178.3 splice_region, splice_polypyrimidine_tract, intron
NM_001128178.3 splice_region, splice_polypyrimidine_tract, intron
Scores
Not classified
Clinical Significance
Conservation
PhyloP100: 0.651
Genes affected
NPHP1 (HGNC:7905): (nephrocystin 1) This gene encodes a protein with src homology domain 3 (SH3) patterns. This protein interacts with Crk-associated substrate, and it appears to function in the control of cell division, as well as in cell-cell and cell-matrix adhesion signaling, likely as part of a multifunctional complex localized in actin- and microtubule-based structures. Mutations in this gene cause familial juvenile nephronophthisis type 1, a kidney disorder involving both tubules and glomeruli. Defects in this gene are also associated with Senior-Loken syndrome type 1, also referred to as juvenile nephronophthisis with Leber amaurosis, which is characterized by kidney and eye disease, and with Joubert syndrome type 4, which is characterized by cerebellar ataxia, oculomotor apraxia, psychomotor delay and neonatal breathing abnormalities, sometimes including retinal dystrophy and renal disease. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]
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ACMG classification
Classification made for transcript
Verdict is Likely_benign. Variant got -5 ACMG points.
BP6
?
Variant 2-110165157-T-TA is Benign according to our data. Variant chr2-110165157-T-TA is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 156395.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=1, Uncertain_significance=1, Benign=2}.
BS1
?
Variant frequency is greater than expected in population eas. gnomad4 allele frequency = 0.000125 (19/152234) while in subpopulation EAS AF= 0.00348 (18/5178). AF 95% confidence interval is 0.00225. There are 0 homozygotes in gnomad4. There are 13 alleles in male gnomad4 subpopulation. This position pass quality control queck.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
NPHP1 | NM_001128178.3 | c.625-3_625-2insT | splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant | ENST00000445609.7 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
NPHP1 | ENST00000445609.7 | c.625-3_625-2insT | splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant | 1 | NM_001128178.3 | P2 |
Frequencies
GnomAD3 genomes ? AF: 0.000125 AC: 19AN: 152116Hom.: 0 Cov.: 33
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GnomAD3 exomes AF: 0.000338 AC: 85AN: 251260Hom.: 0 AF XY: 0.000309 AC XY: 42AN XY: 135794
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GnomAD4 exome AF: 0.000129 AC: 188AN: 1454634Hom.: 3 Cov.: 30 AF XY: 0.000134 AC XY: 97AN XY: 724206
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ClinVar
Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:2Benign:3
Revision: criteria provided, conflicting classifications
LINK: link
Submissions by phenotype
Leber congenital amaurosis Uncertain:1
Uncertain significance, no assertion criteria provided | clinical testing | Molecular Diagnostics Laboratory, Seoul National University Hospital | Sep 18, 2014 | - - |
Joubert syndrome with renal defect;C1855681:Nephronophthisis 1;C4551559:Senior-Loken syndrome 1 Uncertain:1
Uncertain significance, criteria provided, single submitter | reference population | Soonchunhyang University Bucheon Hospital, Soonchunhyang University Medical Center | Mar 18, 2016 | - - |
not specified Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Eurofins Ntd Llc (ga) | Aug 07, 2017 | - - |
Nephronophthisis Benign:1
Benign, criteria provided, single submitter | clinical testing | Invitae | Jan 29, 2024 | - - |
NPHP1-related condition Benign:1
Benign, criteria provided, single submitter | clinical testing | PreventionGenetics, part of Exact Sciences | Jun 01, 2022 | This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). - |
Computational scores
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at