rs2286455
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Variant summary
Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BA1
The NM_006017.3(PROM1):c.786G>A(p.Ala262=) variant causes a splice region, synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.116 in 1,602,056 control chromosomes in the GnomAD database, including 12,324 homozygotes. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Benign (★★).
Frequency
Genomes: 𝑓 0.10 ( 1043 hom., cov: 32)
Exomes 𝑓: 0.12 ( 11281 hom. )
Consequence
PROM1
NM_006017.3 splice_region, synonymous
NM_006017.3 splice_region, synonymous
Scores
2
Splicing: ADA: 0.00004434
2
Clinical Significance
Conservation
PhyloP100: -2.04
Genes affected
PROM1 (HGNC:9454): (prominin 1) This gene encodes a pentaspan transmembrane glycoprotein. The protein localizes to membrane protrusions and is often expressed on adult stem cells, where it is thought to function in maintaining stem cell properties by suppressing differentiation. Mutations in this gene have been shown to result in retinitis pigmentosa and Stargardt disease. Expression of this gene is also associated with several types of cancer. This gene is expressed from at least five alternative promoters that are expressed in a tissue-dependent manner. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Mar 2009]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -21 ACMG points.
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.94).
BP6
Variant 4-16018539-C-T is Benign according to our data. Variant chr4-16018539-C-T is described in ClinVar as [Benign]. Clinvar id is 259907.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr4-16018539-C-T is described in Lovd as [Benign].
BP7
Synonymous conserved (PhyloP=-2.04 with no splicing effect.
BA1
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.242 is higher than 0.05.
Transcripts
RefSeq
| Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|
| PROM1 | NM_006017.3 | c.786G>A | p.Ala262= | splice_region_variant, synonymous_variant | 9/28 | ENST00000447510.7 | NP_006008.1 |
Ensembl
| Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
|---|---|---|---|---|---|---|---|---|---|---|
| PROM1 | ENST00000447510.7 | c.786G>A | p.Ala262= | splice_region_variant, synonymous_variant | 9/28 | 1 | NM_006017.3 | ENSP00000415481 | P3 |
Frequencies
GnomAD3 genomes 0.104 AC: 15768AN: 152054Hom.: 1039 Cov.: 32
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GnomAD3 exomes AF: 0.143 AC: 33306AN: 232980Hom.: 2702 AF XY: 0.144 AC XY: 18162AN XY: 126010
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GnomAD4 exome AF: 0.117 AC: 170121AN: 1449884Hom.: 11281 Cov.: 32 AF XY: 0.120 AC XY: 86113AN XY: 720192
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GnomAD4 genome 0.104 AC: 15793AN: 152172Hom.: 1043 Cov.: 32 AF XY: 0.106 AC XY: 7854AN XY: 74382
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ClinVar
Significance: Benign
Submissions summary: Benign:11
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
not specified Benign:3
| Benign, criteria provided, single submitter | clinical testing | PreventionGenetics, part of Exact Sciences | - | - - |
| Benign, no assertion criteria provided | clinical testing | Diagnostic Laboratory, Department of Genetics, University Medical Center Groningen | - | - - |
| Benign, no assertion criteria provided | clinical testing | Joint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+ | - | - - |
not provided Benign:3
| Benign, criteria provided, single submitter | clinical testing | GeneDx | May 16, 2018 | This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. - |
| Benign, criteria provided, single submitter | not provided | Breakthrough Genomics, Breakthrough Genomics | - | - - |
| Benign, criteria provided, single submitter | clinical testing | Labcorp Genetics (formerly Invitae), Labcorp | Jan 31, 2024 | - - |
Stargardt disease 4 Benign:1
| Benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jan 13, 2018 | This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. - |
Retinal dystrophy Benign:1
| Benign, criteria provided, single submitter | research | Dept Of Ophthalmology, Nagoya University | Oct 01, 2023 | - - |
Retinal macular dystrophy type 2 Benign:1
| Benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jan 13, 2018 | This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. - |
Cone-rod dystrophy 12 Benign:1
| Benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jan 13, 2018 | This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. - |
Retinitis pigmentosa Benign:1
| Benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jan 13, 2018 | This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
RBP_binding_hub_radar
RBP_regulation_power_radar
Splicing
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Calibrated prediction
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dbscSNV1_ADA
Benign
dbscSNV1_RF
Benign
SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at