rs115986203

Variant summary

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

The NM_001282225.2(ADA2):​c.511C>T​(p.Arg171Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000851 in 1,614,156 control chromosomes in the GnomAD database, including 14 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0047 ( 5 hom., cov: 32)
Exomes 𝑓: 0.00045 ( 9 hom. )

Consequence

ADA2
NM_001282225.2 missense

Scores

3
14

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: -0.0380

Publications

2 publications found
Variant links:
Genes affected
ADA2 (HGNC:1839): (adenosine deaminase 2) This gene encodes a member of a subfamily of the adenosine deaminase protein family. The encoded protein is one of two adenosine deaminases found in humans, which regulate levels of the signaling molecule, adenosine. The encoded protein is secreted from monocytes undergoing differentiation and may regulate cell proliferation and differentiation. This gene may be responsible for some of the phenotypic features associated with cat eye syndrome. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Aug 2013]
ADA2 Gene-Disease associations (from GenCC):
  • deficiency of adenosine deaminase 2
    Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
  • vasculitis due to ADA2 deficiency
    Inheritance: AR Classification: STRONG, SUPPORTIVE Submitted by: Genomics England PanelApp, Orphanet, Labcorp Genetics (formerly Invitae)
  • polyarteritis nodosa
    Inheritance: AR Classification: MODERATE Submitted by: Genomics England PanelApp
  • Sneddon syndrome
    Inheritance: AR, AD Classification: MODERATE, SUPPORTIVE Submitted by: Genomics England PanelApp, Orphanet
  • Diamond-Blackfan anemia
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

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=0.00631395).
BP6
Variant 22-17207102-G-A is Benign according to our data. Variant chr22-17207102-G-A is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 541741.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 = 0.00471 (718/152324) while in subpopulation AFR AF = 0.0165 (685/41566). AF 95% confidence interval is 0.0155. There are 5 homozygotes in GnomAd4. There are 346 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.
BS2
High Homozygotes in GnomAd4 at 5 AR,AD gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
ADA2NM_001282225.2 linkc.511C>T p.Arg171Trp missense_variant Exon 3 of 10 ENST00000399837.8 NP_001269154.1 Q9NZK5-1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
ADA2ENST00000399837.8 linkc.511C>T p.Arg171Trp missense_variant Exon 3 of 10 1 NM_001282225.2 ENSP00000382731.2 Q9NZK5-1

Frequencies

GnomAD3 genomes
AF:
0.00472
AC:
718
AN:
152206
Hom.:
5
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0165
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00144
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:
0.00431
GnomAD2 exomes
AF:
0.00120
AC:
302
AN:
251420
AF XY:
0.000868
show subpopulations
Gnomad AFR exome
AF:
0.0159
Gnomad AMR exome
AF:
0.00104
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000544
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000440
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.000449
AC:
656
AN:
1461832
Hom.:
9
Cov.:
31
AF XY:
0.000378
AC XY:
275
AN XY:
727224
show subpopulations
African (AFR)
AF:
0.0157
AC:
525
AN:
33478
American (AMR)
AF:
0.000805
AC:
36
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26132
East Asian (EAS)
AF:
0.0000252
AC:
1
AN:
39700
South Asian (SAS)
AF:
0.0000464
AC:
4
AN:
86254
European-Finnish (FIN)
AF:
0.0000749
AC:
4
AN:
53420
Middle Eastern (MID)
AF:
0.000347
AC:
2
AN:
5768
European-Non Finnish (NFE)
AF:
0.0000198
AC:
22
AN:
1111962
Other (OTH)
AF:
0.00103
AC:
62
AN:
60394
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.487
Heterozygous variant carriers
0
38
75
113
150
188
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome 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
GnomAD4 genome
AF:
0.00471
AC:
718
AN:
152324
Hom.:
5
Cov.:
32
AF XY:
0.00464
AC XY:
346
AN XY:
74490
show subpopulations
African (AFR)
AF:
0.0165
AC:
685
AN:
41566
American (AMR)
AF:
0.00144
AC:
22
AN:
15302
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5190
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4830
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10614
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.0000294
AC:
2
AN:
68032
Other (OTH)
AF:
0.00426
AC:
9
AN:
2112
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.500
Heterozygous variant carriers
0
34
69
103
138
172
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
10
20
30
40
50
<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:
0.00178
Hom.:
3
Bravo
AF:
0.00491
ESP6500AA
AF:
0.0182
AC:
80
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.00151
AC:
183
Asia WGS
AF:
0.00115
AC:
4
AN:
3478
EpiCase
AF:
0.0000545
EpiControl
AF:
0.0000593

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Vasculitis due to ADA2 deficiency Benign:1
Feb 03, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

not provided Benign:1
-
Breakthrough Genomics, Breakthrough Genomics
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:not provided

- -

Autoinflammatory syndrome Benign:1
Mar 01, 2020
Genome Diagnostics Laboratory, The Hospital for Sick Children
Significance:Likely 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
-0.40
T
BayesDel_noAF
Benign
-0.34
CADD
Benign
15
DANN
Benign
0.97
DEOGEN2
Benign
0.091
T;T;T;T;T;.;.
Eigen
Benign
-0.60
Eigen_PC
Benign
-0.88
FATHMM_MKL
Benign
0.057
N
LIST_S2
Benign
0.81
T;.;.;.;T;.;T
MetaRNN
Benign
0.0063
T;T;T;T;T;T;T
MetaSVM
Benign
-0.32
T
PhyloP100
-0.038
PrimateAI
Benign
0.22
T
PROVEAN
Uncertain
-3.9
.;D;D;D;.;D;.
REVEL
Benign
0.25
Sift
Uncertain
0.011
.;D;D;D;.;D;.
Sift4G
Uncertain
0.014
D;D;D;D;.;D;.
Polyphen
1.0
.;D;D;D;D;.;.
Vest4
0.32
MVP
0.76
MPC
0.053
ClinPred
0.069
T
GERP RS
-5.1
Varity_R
0.17
gMVP
0.59
Mutation Taster
=96/4
polymorphism

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: rs115986203; hg19: chr22-17687992; API