rs200703101

Variant summary

Our verdict is Pathogenic. Variant got 11 ACMG points: 11P and 0B. PM1PM2PM5PP3_StrongPP5

The NM_000041.4(APOE):​c.461G>A​(p.Arg154His) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000657 in 152,228 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in Lovd as Pathogenic (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R154C) has been classified as Likely pathogenic.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0 ( 0 hom. )
Failed GnomAD Quality Control

Consequence

APOE
NM_000041.4 missense

Scores

4
11
4

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.13
Variant links:
Genes affected
APOE (HGNC:613): (apolipoprotein E) The protein encoded by this gene is a major apoprotein of the chylomicron. It binds to a specific liver and peripheral cell receptor, and is essential for the normal catabolism of triglyceride-rich lipoprotein constituents. This gene maps to chromosome 19 in a cluster with the related apolipoprotein C1 and C2 genes. Mutations in this gene result in familial dysbetalipoproteinemia, or type III hyperlipoproteinemia (HLP III), in which increased plasma cholesterol and triglycerides are the consequence of impaired clearance of chylomicron and VLDL remnants. [provided by RefSeq, Jun 2016]

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ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 11 ACMG points.

PM1
In a helix (size 31) in uniprot entity APOE_HUMAN there are 6 pathogenic changes around while only 1 benign (86%) in NM_000041.4
PM2
Very rare variant in population databases, with high coverage;
PM5
Other missense variant is known to change same aminoacid residue: Variant chrnull-null-null-null is described in UniProt as null.
PP3
MetaRNN computational evidence supports a deleterious effect, 0.98
PP5
Variant 19-44908757-G-A is Pathogenic according to our data. Variant chr19-44908757-G-A is described in Lovd as [Pathogenic].

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
APOENM_000041.4 linkuse as main transcriptc.461G>A p.Arg154His missense_variant 4/4 ENST00000252486.9 NP_000032.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
APOEENST00000252486.9 linkuse as main transcriptc.461G>A p.Arg154His missense_variant 4/41 NM_000041.4 ENSP00000252486 P1
APOEENST00000425718.1 linkuse as main transcriptc.461G>A p.Arg154His missense_variant 3/31 ENSP00000410423
APOEENST00000434152.5 linkuse as main transcriptc.539G>A p.Arg180His missense_variant 4/42 ENSP00000413653
APOEENST00000446996.5 linkuse as main transcriptc.461G>A p.Arg154His missense_variant 4/42 ENSP00000413135

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152116
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD4 exome
Data not reliable, filtered out with message: AC0
AF:
0.00
AC:
0
AN:
1407738
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
695732
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152228
Hom.:
0
Cov.:
32
AF XY:
0.0000134
AC XY:
1
AN XY:
74416
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.17
BayesDel_addAF
Pathogenic
0.24
D
BayesDel_noAF
Uncertain
0.11
CADD
Pathogenic
27
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.41
T;T;.;.
Eigen
Uncertain
0.50
Eigen_PC
Uncertain
0.39
FATHMM_MKL
Benign
0.70
D
LIST_S2
Uncertain
0.90
D;D;D;D
M_CAP
Pathogenic
0.33
D
MetaRNN
Pathogenic
0.98
D;D;D;D
MetaSVM
Uncertain
0.24
D
MutationAssessor
Uncertain
2.2
M;.;.;.
MutationTaster
Benign
0.99
D
PrimateAI
Uncertain
0.57
T
PROVEAN
Uncertain
-3.9
D;D;.;D
REVEL
Uncertain
0.57
Sift
Uncertain
0.0010
D;D;.;D
Sift4G
Uncertain
0.0090
D;D;D;D
Polyphen
1.0
D;.;.;.
Vest4
0.71
MutPred
0.93
Loss of MoRF binding (P = 0.0283);Loss of MoRF binding (P = 0.0283);.;Loss of MoRF binding (P = 0.0283);
MVP
0.93
MPC
1.8
ClinPred
0.99
D
GERP RS
5.1
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.79
gMVP
0.73

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

No publications associated with this variant yet.

Other links and lift over

hg19: chr19-45412014; API