rs777784484

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PP3_Strong

The NM_018702.4(ADARB2):​c.1931G>C​(p.Gly644Ala) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000744 in 1,613,704 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 (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. G644D) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 34)
Exomes 𝑓: 0.0000055 ( 0 hom. )

Consequence

ADARB2
NM_018702.4 missense

Scores

8
7
3

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.71

Publications

0 publications found
Variant links:
Genes affected
ADARB2 (HGNC:227): (adenosine deaminase RNA specific B2 (inactive)) This gene encodes a member of the double-stranded RNA adenosine deaminase family of RNA-editing enzymes and may play a regulatory role in RNA editing. [provided by RefSeq, Jul 2008]
LINC00200 (HGNC:30974): (long intergenic non-protein coding RNA 200)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PP3
MetaRNN computational evidence supports a deleterious effect, 0.976

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_018702.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
ADARB2
NM_018702.4
MANE Select
c.1931G>Cp.Gly644Ala
missense
Exon 9 of 10NP_061172.1Q9NS39-1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
ADARB2
ENST00000381312.6
TSL:1 MANE Select
c.1931G>Cp.Gly644Ala
missense
Exon 9 of 10ENSP00000370713.1Q9NS39-1
ADARB2
ENST00000381310.7
TSL:1
c.458G>Cp.Gly153Ala
missense
Exon 2 of 3ENSP00000370711.3Q9NS39-2
ADARB2
ENST00000474762.5
TSL:1
n.131G>C
non_coding_transcript_exon
Exon 2 of 3

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
152266
Hom.:
0
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.0000964
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
GnomAD2 exomes
AF:
0.00000799
AC:
2
AN:
250236
AF XY:
0.00000738
show subpopulations
Gnomad AFR exome
AF:
0.000124
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS 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:
0.00000547
AC:
8
AN:
1461438
Hom.:
0
Cov.:
30
AF XY:
0.00000550
AC XY:
4
AN XY:
727078
show subpopulations
African (AFR)
AF:
0.000239
AC:
8
AN:
33474
American (AMR)
AF:
0.00
AC:
0
AN:
44716
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26116
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39696
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86248
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53104
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5714
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1111982
Other (OTH)
AF:
0.00
AC:
0
AN:
60388
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.444
Heterozygous variant carriers
0
1
2
2
3
4
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<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:
0.0000263
AC:
4
AN:
152266
Hom.:
0
Cov.:
34
AF XY:
0.00
AC XY:
0
AN XY:
74390
show subpopulations
African (AFR)
AF:
0.0000964
AC:
4
AN:
41480
American (AMR)
AF:
0.00
AC:
0
AN:
15294
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5190
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4838
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10630
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68042
Other (OTH)
AF:
0.00
AC:
0
AN:
2094
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.488
Heterozygous variant carriers
0
1
1
2
2
3
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<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:
0.00
Hom.:
0
Bravo
AF:
0.0000227
ExAC
AF:
0.00000824
AC:
1

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.21
BayesDel_addAF
Pathogenic
0.24
D
BayesDel_noAF
Pathogenic
0.34
CADD
Benign
23
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.49
T
Eigen
Uncertain
0.46
Eigen_PC
Uncertain
0.41
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.86
D
M_CAP
Pathogenic
0.31
D
MetaRNN
Pathogenic
0.98
D
MetaSVM
Pathogenic
0.91
D
MutationAssessor
Uncertain
2.1
M
PhyloP100
7.7
PrimateAI
Uncertain
0.58
T
PROVEAN
Pathogenic
-4.6
D
REVEL
Pathogenic
0.89
Sift
Benign
0.038
D
Sift4G
Benign
0.083
T
Polyphen
0.85
P
Vest4
0.84
MVP
0.80
MPC
0.78
ClinPred
0.96
D
GERP RS
4.8
Varity_R
0.63
gMVP
0.70
Mutation Taster
=40/60
disease causing

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: rs777784484; hg19: chr10-1230913; API