rs879255167
Variant names:
Your query was ambiguous. Multiple possible variants found:
Variant summary
Our verdict is Pathogenic. Variant got 12 ACMG points: 12P and 0B. PVS1PM2PP5_Moderate
The NM_000527.5(LDLR):c.2230delC(p.Arg744AspfsTer21) variant causes a frameshift change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,768 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Pathogenic (★). Synonymous variant affecting the same amino acid position (i.e. R744R) has been classified as Benign. Variant results in nonsense mediated mRNA decay.
Frequency
Genomes: not found (cov: 30)
Exomes 𝑓: 6.8e-7 ( 0 hom. )
Consequence
LDLR
NM_000527.5 frameshift
NM_000527.5 frameshift
Scores
Not classified
Clinical Significance
Conservation
PhyloP100: -0.486
Genes affected
LDLR (HGNC:6547): (low density lipoprotein receptor) The low density lipoprotein receptor (LDLR) gene family consists of cell surface proteins involved in receptor-mediated endocytosis of specific ligands. The encoded protein is normally bound at the cell membrane, where it binds low density lipoprotein/cholesterol and is taken into the cell. Lysosomes release the cholesterol, which is made available for repression of microsomal enzyme 3-hydroxy-3-methylglutaryl coenzyme A (HMG CoA) reductase, the rate-limiting step in cholesterol synthesis. At the same time, a reciprocal stimulation of cholesterol ester synthesis takes place. Mutations in this gene cause the autosomal dominant disorder, familial hypercholesterolemia. Alternate splicing results in multiple transcript variants.[provided by RefSeq, May 2022]
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ACMG classification
Classification made for transcript
Verdict is Pathogenic. Variant got 12 ACMG points.
PVS1
Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 19-11123260-AC-A is Pathogenic according to our data. Variant chr19-11123260-AC-A is described in ClinVar as [Pathogenic]. Clinvar id is 252261.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr19-11123260-AC-A is described in Lovd as [Pathogenic].
Transcripts
RefSeq
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|
| LDLR | NM_000527.5 | c.2230delC | p.Arg744AspfsTer21 | frameshift_variant | Exon 15 of 18 | ENST00000558518.6 | NP_000518.1 |
Ensembl
Frequencies
GnomAD3 genomes
GnomAD3 genomes
Cov.:
30
GnomAD3 exomes AF: 0.00000398 AC: 1AN: 251278Hom.: 0 AF XY: 0.00 AC XY: 0AN XY: 135844
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GnomAD4 exome AF: 6.84e-7 AC: 1AN: 1461768Hom.: 0 Cov.: 31 AF XY: 0.00 AC XY: 0AN XY: 727188
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ClinVar
Significance: Pathogenic
Submissions summary: Pathogenic:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
Hypercholesterolemia, familial, 1 Pathogenic:1
Mar 25, 2016
LDLR-LOVD, British Heart Foundation
Significance: Pathogenic
Review Status: criteria provided, single submitter
Collection Method: literature only
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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