17-66220679-G-T

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_000042.3(APOH):​c.479C>A​(p.Ala160Asp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00105 in 1,614,138 control chromosomes in the GnomAD database, including 18 homozygotes. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0058 ( 7 hom., cov: 31)
Exomes 𝑓: 0.00056 ( 11 hom. )

Consequence

APOH
NM_000042.3 missense

Scores

18

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 0.983

Publications

3 publications found
Variant links:
Genes affected
APOH (HGNC:616): (apolipoprotein H) Apolipoprotein H, also known as beta-2-glycoprotein I, is a component of circulating plasma lipoproteins. It has been implicated in a variety of physiologic pathways including lipoprotein metabolism, coagulation, hemostasis, and the production of antiphospholipid autoantibodies. APOH may be a required cofactor for anionic phospholipid binding by the antiphospholipid autoantibodies found in sera of many patients with lupus and primary antiphospholipid syndrome (APS). The anti-beta (2) glycoprotein I antibodies from APS patients, mediate inhibition of activated protein C which has anticoagulant properties. Because beta-2-GPI is the main autoantigen in patients with APS, the disruption of this pathway by autoantibodies may be an important mechanism for thrombosis in patients with APS.[provided by RefSeq, Dec 2019]

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -20 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.0051770806).
BP6
Variant 17-66220679-G-T is Benign according to our data. Variant chr17-66220679-G-T is described in ClinVar as [Benign]. Clinvar id is 780447.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.0058 (883/152282) while in subpopulation AFR AF = 0.0205 (850/41560). AF 95% confidence interval is 0.0193. There are 7 homozygotes in GnomAd4. There are 406 alleles in the male GnomAd4 subpopulation. Median coverage is 31. This position passed quality control check.
BS2
High Homozygotes in GnomAd4 at 7 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
APOHNM_000042.3 linkc.479C>A p.Ala160Asp missense_variant Exon 5 of 8 ENST00000205948.11 NP_000033.2 P02749A0A384NKM6

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
APOHENST00000205948.11 linkc.479C>A p.Ala160Asp missense_variant Exon 5 of 8 1 NM_000042.3 ENSP00000205948.6 P02749
APOHENST00000581797.5 linkc.299C>A p.Ala100Asp missense_variant Exon 5 of 6 3 ENSP00000463553.1 J3QLI0
APOHENST00000577982.1 linkc.479C>A p.Ala160Asp missense_variant Exon 6 of 6 5 ENSP00000464301.1 J3QRN2
APOHENST00000585162.1 linkc.-50C>A upstream_gene_variant 2 ENSP00000462260.1 J3KS17

Frequencies

GnomAD3 genomes
AF:
0.00580
AC:
883
AN:
152164
Hom.:
7
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.0205
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00138
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:
0.0000588
Gnomad OTH
AF:
0.00382
GnomAD2 exomes
AF:
0.00153
AC:
384
AN:
251402
AF XY:
0.00110
show subpopulations
Gnomad AFR exome
AF:
0.0215
Gnomad AMR exome
AF:
0.000838
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000264
Gnomad OTH exome
AF:
0.000489
GnomAD4 exome
AF:
0.000558
AC:
815
AN:
1461856
Hom.:
11
Cov.:
32
AF XY:
0.000433
AC XY:
315
AN XY:
727226
show subpopulations
African (AFR)
AF:
0.0205
AC:
685
AN:
33458
American (AMR)
AF:
0.000917
AC:
41
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26136
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39698
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86256
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53420
Middle Eastern (MID)
AF:
0.000520
AC:
3
AN:
5768
European-Non Finnish (NFE)
AF:
0.00000809
AC:
9
AN:
1112002
Other (OTH)
AF:
0.00127
AC:
77
AN:
60394
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.434
Heterozygous variant carriers
0
36
72
108
144
180
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
22
44
66
88
110
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.00580
AC:
883
AN:
152282
Hom.:
7
Cov.:
31
AF XY:
0.00545
AC XY:
406
AN XY:
74448
show subpopulations
African (AFR)
AF:
0.0205
AC:
850
AN:
41560
American (AMR)
AF:
0.00137
AC:
21
AN:
15292
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5176
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4826
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10604
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.0000588
AC:
4
AN:
68034
Other (OTH)
AF:
0.00378
AC:
8
AN:
2114
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.496
Heterozygous variant carriers
0
40
81
121
162
202
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
20
40
60
80
100
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.00225
Hom.:
10
Bravo
AF:
0.00631
ESP6500AA
AF:
0.0188
AC:
83
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.00187
AC:
227
Asia WGS
AF:
0.000577
AC:
2
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
-
Breakthrough Genomics, Breakthrough Genomics
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:not provided

- -

Feb 08, 2018
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.11
BayesDel_addAF
Benign
-0.55
T
BayesDel_noAF
Benign
-0.55
CADD
Benign
14
DANN
Benign
0.64
DEOGEN2
Benign
0.12
T;.;T
Eigen
Benign
-0.99
Eigen_PC
Benign
-1.0
FATHMM_MKL
Benign
0.11
N
LIST_S2
Benign
0.63
T;T;T
MetaRNN
Benign
0.0052
T;T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
2.0
M;.;.
PhyloP100
0.98
PrimateAI
Benign
0.28
T
PROVEAN
Benign
-0.96
N;.;.
REVEL
Benign
0.044
Sift
Benign
0.39
T;.;.
Sift4G
Benign
0.24
T;.;.
Polyphen
0.24
B;.;.
Vest4
0.23
MVP
0.17
MPC
0.33
ClinPred
0.0025
T
GERP RS
0.92
PromoterAI
-0.019
Neutral
Varity_R
0.21
gMVP
0.47
Mutation Taster
=90/10
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.020
Details are displayed if max score is > 0.2

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

Publications

Other links and lift over

dbSNP: rs114459902; hg19: chr17-64216797; API