rs150412734
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Variant summary
Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4
The NM_000384.3(APOB):c.13160A>T(p.Glu4387Val) variant causes a missense change. The variant allele was found at a frequency of 0.0000143 in 1,613,882 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 Uncertain significance (★).
Frequency
Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000015 ( 0 hom. )
Consequence
APOB
NM_000384.3 missense
NM_000384.3 missense
Scores
4
6
6
Clinical Significance
Conservation
PhyloP100: 6.20
Genes affected
APOB (HGNC:603): (apolipoprotein B) This gene product is the main apolipoprotein of chylomicrons and low density lipoproteins (LDL), and is the ligand for the LDL receptor. It occurs in plasma as two main isoforms, apoB-48 and apoB-100: the former is synthesized exclusively in the gut and the latter in the liver. The intestinal and the hepatic forms of apoB are encoded by a single gene from a single, very long mRNA. The two isoforms share a common N-terminal sequence. The shorter apoB-48 protein is produced after RNA editing of the apoB-100 transcript at residue 2180 (CAA->UAA), resulting in the creation of a stop codon, and early translation termination. Mutations in this gene or its regulatory region cause hypobetalipoproteinemia, normotriglyceridemic hypobetalipoproteinemia, and hypercholesterolemia due to ligand-defective apoB, diseases affecting plasma cholesterol and apoB levels. [provided by RefSeq, Dec 2019]
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ACMG classification
Classification made for transcript
Verdict is Uncertain_significance. Variant got 1 ACMG points.
PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.3971261).
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
APOB | NM_000384.3 | c.13160A>T | p.Glu4387Val | missense_variant | 29/29 | ENST00000233242.5 | NP_000375.3 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
APOB | ENST00000233242.5 | c.13160A>T | p.Glu4387Val | missense_variant | 29/29 | 1 | NM_000384.3 | ENSP00000233242.1 |
Frequencies
GnomAD3 genomes AF: 0.00000657 AC: 1AN: 152208Hom.: 0 Cov.: 32
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GnomAD3 exomes AF: 0.00000399 AC: 1AN: 250360Hom.: 0 AF XY: 0.00 AC XY: 0AN XY: 135410
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GnomAD4 exome AF: 0.0000151 AC: 22AN: 1461674Hom.: 0 Cov.: 32 AF XY: 0.0000110 AC XY: 8AN XY: 727128
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GnomAD4 genome AF: 0.00000657 AC: 1AN: 152208Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0AN XY: 74366
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ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:1Benign:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
Hypercholesterolemia, familial, 1 Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Robarts Research Institute, Western University | - | - - |
not specified Benign:1
Benign, no assertion criteria provided | research | Laboratorium voor Moleculaire Diagnostiek Experimentele Vasculaire Geneeskunde, Academisch Medisch Centrum | - | - - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
BayesDel_addAF
Pathogenic
D
BayesDel_noAF
Uncertain
CADD
Uncertain
DANN
Uncertain
Eigen
Uncertain
Eigen_PC
Uncertain
FATHMM_MKL
Uncertain
D
M_CAP
Benign
D
MetaRNN
Benign
T
MetaSVM
Benign
T
PrimateAI
Benign
T
PROVEAN
Pathogenic
D
REVEL
Uncertain
Sift
Pathogenic
D
Sift4G
Pathogenic
D
Vest4
MVP
MPC
ClinPred
D
GERP RS
gMVP
Splicing
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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