rs1071742

Variant summary

Our verdict is Benign. The variant received -12 ACMG points: 0P and 12B. BP4_StrongBA1

The NM_002116.8(HLA-A):​c.299T>A​(p.Val100Glu) variant causes a missense change involving the alteration of a non-conserved nucleotide. In-silico tool predicts a benign outcome for this variant. 13/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as no classification for the single variant (no stars).

Frequency

Genomes: 𝑓 0.20 ( 1011 hom., cov: 8)
Exomes 𝑓: 0.16 ( 21146 hom. )
Failed GnomAD Quality Control

Consequence

HLA-A
NM_002116.8 missense

Scores

1
15

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -4.41

Publications

29 publications found
Variant links:
Genes affected
HLA-A (HGNC:4931): (major histocompatibility complex, class I, A) HLA-A belongs to the HLA class I heavy chain paralogues. This class I molecule is a heterodimer consisting of a heavy chain and a light chain (beta-2 microglobulin). The heavy chain is anchored in the membrane. Class I molecules play a central role in the immune system by presenting peptides derived from the endoplasmic reticulum lumen so that they can be recognized by cytotoxic T cells. They are expressed in nearly all cells. The heavy chain is approximately 45 kDa and its gene contains 8 exons. Exon 1 encodes the leader peptide, exons 2 and 3 encode the alpha1 and alpha2 domains, which both bind the peptide, exon 4 encodes the alpha3 domain, exon 5 encodes the transmembrane region, and exons 6 and 7 encode the cytoplasmic tail. Polymorphisms within exon 2 and exon 3 are responsible for the peptide binding specificity of each class one molecule. Typing for these polymorphisms is routinely done for bone marrow and kidney transplantation. More than 6000 HLA-A alleles have been described. The HLA system plays an important role in the occurrence and outcome of infectious diseases, including those caused by the malaria parasite, the human immunodeficiency virus (HIV), and the severe acute respiratory syndrome coronavirus (SARS-CoV). The structural spike and the nucleocapsid proteins of the novel coronavirus SARS-CoV-2, which causes coronavirus disease 2019 (COVID-19), are reported to contain multiple Class I epitopes with predicted HLA restrictions. Individual HLA genetic variation may help explain different immune responses to a virus across a population.[provided by RefSeq, Aug 2020]

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -12 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.005369067).
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.325 is higher than 0.05.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_002116.8. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
HLA-A
NM_002116.8
MANE Select
c.299T>Ap.Val100Glu
missense
Exon 2 of 8NP_002107.3

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
HLA-A
ENST00000376809.10
TSL:6 MANE Select
c.299T>Ap.Val100Glu
missense
Exon 2 of 8ENSP00000366005.5P04439-1
HLA-A
ENST00000952344.1
c.299T>Ap.Val100Glu
missense
Exon 2 of 8ENSP00000622403.1
HLA-A
ENST00000706894.1
c.299T>Ap.Val100Glu
missense
Exon 3 of 8ENSP00000516610.1A0A9L9PYF9

Frequencies

GnomAD3 genomes
AF:
0.201
AC:
12220
AN:
60812
Hom.:
1003
Cov.:
8
show subpopulations
Gnomad AFR
AF:
0.331
Gnomad AMI
AF:
0.0650
Gnomad AMR
AF:
0.278
Gnomad ASJ
AF:
0.231
Gnomad EAS
AF:
0.169
Gnomad SAS
AF:
0.202
Gnomad FIN
AF:
0.0448
Gnomad MID
AF:
0.310
Gnomad NFE
AF:
0.134
Gnomad OTH
AF:
0.235
GnomAD2 exomes
AF:
0.182
AC:
41399
AN:
227030
AF XY:
0.182
show subpopulations
Gnomad AFR exome
AF:
0.219
Gnomad AMR exome
AF:
0.249
Gnomad ASJ exome
AF:
0.198
Gnomad EAS exome
AF:
0.182
Gnomad FIN exome
AF:
0.128
Gnomad NFE exome
AF:
0.163
Gnomad OTH exome
AF:
0.197
GnomAD4 exome
Data not reliable, filtered out with message: AS_VQSR
AF:
0.159
AC:
160527
AN:
1010210
Hom.:
21146
Cov.:
22
AF XY:
0.161
AC XY:
80828
AN XY:
502366
show subpopulations
African (AFR)
AF:
0.246
AC:
6111
AN:
24882
American (AMR)
AF:
0.261
AC:
7242
AN:
27766
Ashkenazi Jewish (ASJ)
AF:
0.207
AC:
3661
AN:
17684
East Asian (EAS)
AF:
0.254
AC:
5143
AN:
20268
South Asian (SAS)
AF:
0.202
AC:
13642
AN:
67472
European-Finnish (FIN)
AF:
0.0959
AC:
3377
AN:
35206
Middle Eastern (MID)
AF:
0.233
AC:
792
AN:
3400
European-Non Finnish (NFE)
AF:
0.147
AC:
113154
AN:
772326
Other (OTH)
AF:
0.180
AC:
7405
AN:
41206
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.493
Heterozygous variant carriers
0
3307
6613
9920
13226
16533
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
4094
8188
12282
16376
20470
<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:
0.201
AC:
12266
AN:
60878
Hom.:
1011
Cov.:
8
AF XY:
0.195
AC XY:
5787
AN XY:
29666
show subpopulations
African (AFR)
AF:
0.332
AC:
5722
AN:
17250
American (AMR)
AF:
0.279
AC:
1370
AN:
4906
Ashkenazi Jewish (ASJ)
AF:
0.231
AC:
296
AN:
1282
East Asian (EAS)
AF:
0.170
AC:
361
AN:
2128
South Asian (SAS)
AF:
0.202
AC:
399
AN:
1976
European-Finnish (FIN)
AF:
0.0448
AC:
214
AN:
4772
Middle Eastern (MID)
AF:
0.315
AC:
34
AN:
108
European-Non Finnish (NFE)
AF:
0.134
AC:
3654
AN:
27288
Other (OTH)
AF:
0.237
AC:
193
AN:
814
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.472
Heterozygous variant carriers
0
305
611
916
1222
1527
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
130
260
390
520
650
<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:
0.132
Hom.:
333
ExAC
AF:
0.173
AC:
21016

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.12
BayesDel_addAF
Benign
-0.67
T
BayesDel_noAF
Benign
-0.58
CADD
Benign
4.8
DANN
Benign
0.44
DEOGEN2
Benign
0.018
T
Eigen
Benign
-2.0
Eigen_PC
Benign
-2.2
FATHMM_MKL
Benign
0.0084
N
LIST_S2
Benign
0.027
T
MetaRNN
Benign
0.0054
T
MetaSVM
Benign
-0.92
T
PhyloP100
-4.4
PrimateAI
Benign
0.35
T
PROVEAN
Uncertain
-2.9
D
REVEL
Benign
0.079
Sift
Benign
0.37
T
Sift4G
Benign
0.19
T
Polyphen
0.0
B
Vest4
0.083
MPC
0.14
ClinPred
0.010
T
GERP RS
-6.7
PromoterAI
0.050
Neutral
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.30
gMVP
0.17
Mutation Taster
=100/0
polymorphism (auto)

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

Other links and lift over

dbSNP: rs1071742; hg19: chr6-29910759; COSMIC: COSV65136627; API