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GeneBe

chr3-195573953-C-T

Variant summary

Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PM2PP3_Strong

The NM_001647.4(APOD):​c.142G>A​(p.Glu48Lys) variant causes a missense change. The variant allele was found at a frequency of 0.0000118 in 1,614,066 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 ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000046 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000082 ( 0 hom. )

Consequence

APOD
NM_001647.4 missense

Scores

11
7
1

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.04
Variant links:
Genes affected
APOD (HGNC:612): (apolipoprotein D) This gene encodes a component of high density lipoprotein that has no marked similarity to other apolipoprotein sequences. It has a high degree of homology to plasma retinol-binding protein and other members of the alpha 2 microglobulin protein superfamily of carrier proteins, also known as lipocalins. This glycoprotein is closely associated with the enzyme lecithin:cholesterol acyltransferase - an enzyme involved in lipoprotein metabolism. [provided by RefSeq, Aug 2008]

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ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 6 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.953

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
APODNM_001647.4 linkuse as main transcriptc.142G>A p.Glu48Lys missense_variant 3/5 ENST00000343267.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
APODENST00000343267.8 linkuse as main transcriptc.142G>A p.Glu48Lys missense_variant 3/51 NM_001647.4 P1

Frequencies

GnomAD3 genomes
AF:
0.0000460
AC:
7
AN:
152234
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000121
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:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000398
AC:
1
AN:
251370
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135852
show subpopulations
Gnomad AFR exome
AF:
0.0000615
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000821
AC:
12
AN:
1461832
Hom.:
0
Cov.:
32
AF XY:
0.00000963
AC XY:
7
AN XY:
727224
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
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:
0.00000899
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.0000460
AC:
7
AN:
152234
Hom.:
0
Cov.:
32
AF XY:
0.0000672
AC XY:
5
AN XY:
74366
show subpopulations
Gnomad4 AFR
AF:
0.000121
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:
0.0000294
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000264
ExAC
AF:
0.00000824
AC:
1

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsMar 16, 2022The c.142G>A (p.E48K) alteration is located in exon 3 (coding exon 2) of the APOD gene. This alteration results from a G to A substitution at nucleotide position 142, causing the glutamic acid (E) at amino acid position 48 to be replaced by a lysine (K). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.95
BayesDel_addAF
Pathogenic
0.31
D
BayesDel_noAF
Pathogenic
0.20
CADD
Pathogenic
32
DANN
Pathogenic
1.0
DEOGEN2
Uncertain
0.52
D;.;T
Eigen
Pathogenic
1.1
Eigen_PC
Pathogenic
1.0
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Pathogenic
0.97
D;D;D
M_CAP
Uncertain
0.14
D
MetaRNN
Pathogenic
0.95
D;D;D
MetaSVM
Uncertain
0.024
D
MutationAssessor
Pathogenic
3.9
H;.;.
MutationTaster
Benign
1.0
D
PrimateAI
Uncertain
0.65
T
PROVEAN
Uncertain
-4.0
D;D;D
REVEL
Uncertain
0.54
Sift
Pathogenic
0.0
D;D;D
Sift4G
Uncertain
0.0040
D;.;.
Polyphen
1.0
D;.;.
Vest4
0.96
MutPred
0.86
Gain of MoRF binding (P = 0.0101);.;Gain of MoRF binding (P = 0.0101);
MVP
0.81
MPC
0.63
ClinPred
1.0
D
GERP RS
5.9
Varity_R
0.98
gMVP
0.95

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs751722415; hg19: chr3-195300824; COSMIC: COSV100581161; API