rs104895372
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Variant summary
Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PVS1_StrongPM2
The NM_000431.4(MVK):c.1097_1100delACTG(p.Asp366fs) variant causes a frameshift change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000342 in 1,461,358 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as not provided (no stars).
Frequency
Genomes: not found (cov: 33)
Exomes 𝑓: 0.0000034 ( 0 hom. )
Consequence
MVK
NM_000431.4 frameshift
NM_000431.4 frameshift
Scores
Not classified
Clinical Significance
Conservation
PhyloP100: 7.40
Genes affected
MVK (HGNC:7530): (mevalonate kinase) This gene encodes the peroxisomal enzyme mevalonate kinase. Mevalonate is a key intermediate, and mevalonate kinase a key early enzyme, in isoprenoid and sterol synthesis. Mevalonate kinase deficiency caused by mutation of this gene results in mevalonic aciduria, a disease characterized psychomotor retardation, failure to thrive, hepatosplenomegaly, anemia and recurrent febrile crises. Defects in this gene also cause hyperimmunoglobulinaemia D and periodic fever syndrome, a disorder characterized by recurrent episodes of fever associated with lymphadenopathy, arthralgia, gastrointestinal dismay and skin rash. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2014]
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ACMG classification
Classification made for transcript
Verdict is Likely_pathogenic. Variant got 6 ACMG points.
PVS1
Loss of function variant, product does not undergo nonsense mediated mRNA decay. Variant is located in the 3'-most exon, not predicted to undergo nonsense mediated mRNA decay. There are 10 pathogenic variants in the truncated region.
PM2
Very rare variant in population databases, with high coverage;
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
MVK | NM_000431.4 | c.1097_1100delACTG | p.Asp366fs | frameshift_variant | 11/11 | ENST00000228510.8 | NP_000422.1 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
MVK | ENST00000228510.8 | c.1097_1100delACTG | p.Asp366fs | frameshift_variant | 11/11 | 1 | NM_000431.4 | ENSP00000228510.3 |
Frequencies
GnomAD3 genomes Cov.: 33
GnomAD3 genomes
Cov.:
33
GnomAD4 exome AF: 0.00000342 AC: 5AN: 1461358Hom.: 0 AF XY: 0.00000550 AC XY: 4AN XY: 727010
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727010
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GnomAD4 genome Cov.: 33
GnomAD4 genome
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33
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ClinVar
Significance: not provided
Submissions summary: Other:1
Revision: no classification provided
LINK: link
Submissions by phenotype
Hyperimmunoglobulin D with periodic fever Other:1
not provided, no classification provided | literature only | Unité médicale des maladies autoinflammatoires, CHRU Montpellier | - | - - |
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