Genetic Variant ADAD2:p.Arg82Trp (chr16-84191474-C-T) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BP4_Strong

The NM_001145400.2(ADAD2):c.244C>T(p.Arg82Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000178 in 1,537,758 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00011 ( 0 hom., cov: 34)

Exomes 𝑓: 0.00019 ( 0 hom. )

Consequence

ADAD2
NM_001145400.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -1.63

Publications

2 publications found

Variant links:

Genes affected

ADAD2 (HGNC:30714): (adenosine deaminase domain containing 2) Predicted to enable double-stranded RNA adenosine deaminase activity; double-stranded RNA binding activity; and tRNA-specific adenosine deaminase activity. Predicted to be involved in RNA processing and adenosine to inosine editing. Predicted to be active in cytoplasm and nucleolus. [provided by Alliance of Genome Resources, Apr 2022]

ADAD2 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.033415884).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001145400.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ADAD2	NM_001145400.2	MANE Select	c.244C>T	p.Arg82Trp	missense	Exon 1 of 10	NP_001138872.1	Q8NCV1-1
	ADAD2	NM_139174.4		c.244C>T	p.Arg82Trp	missense	Exon 1 of 11	NP_631913.3

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
ADAD2	ENST00000315906.10	TSL:1 MANE Select	c.244C>T	p.Arg82Trp	missense	Exon 1 of 10	ENSP00000325153.6	Q8NCV1-1
ADAD2	ENST00000268624.7	TSL:2	c.244C>T	p.Arg82Trp	missense	Exon 1 of 11	ENSP00000268624.3	Q8NCV1-2
ADAD2	ENST00000922037.1		c.244C>T	p.Arg82Trp	missense	Exon 1 of 11	ENSP00000592096.1

Frequencies

GnomAD3 genomes

AF:

0.000105

AC:

AN:

152204

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

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:

0.000235

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000814

AC:

AN:

135214

AF XY:

0.0000410

show subpopulations

Gnomad AFR exome

AF:

0.00

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:

0.000222

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000185

AC:

257

AN:

1385554

Hom.:

Cov.:

AF XY:

0.000190

AC XY:

130

AN XY:

683356

show subpopulations

African (AFR)

AF:

0.0000319

AC:

AN:

31318

American (AMR)

AF:

0.00

AC:

AN:

34094

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

24782

East Asian (EAS)

AF:

0.00

AC:

AN:

35668

South Asian (SAS)

AF:

0.0000127

AC:

AN:

78818

European-Finnish (FIN)

AF:

0.0000240

AC:

AN:

41748

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5590

European-Non Finnish (NFE)

AF:

0.000230

AC:

248

AN:

1075938

Other (OTH)

AF:

0.000104

AC:

AN:

57598

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.486

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<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:

0.000105

AC:

AN:

152204

Hom.:

Cov.:

AF XY:

0.000161

AC XY:

AN XY:

74366

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41458

American (AMR)

AF:

0.00

AC:

AN:

15290

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5202

South Asian (SAS)

AF:

0.00

AC:

AN:

4836

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10624

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.000235

AC:

AN:

68002

Other (OTH)

AF:

0.00

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<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:

0.000286

Hom.:

Bravo

AF:

0.000113

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000138

AC:

ExAC

AF:

0.0000145

AC:

Asia WGS

AF:

0.000289

AC:

AN:

3478

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.10

BayesDel_addAF

Benign

-0.54

BayesDel_noAF

Benign

-0.70

CADD

Benign

5.5

(source)

DANN

Benign

0.93

DEOGEN2

Benign

0.0053

Eigen

Benign

-1.3

Eigen_PC

Benign

-1.3

FATHMM_MKL

Benign

0.0069

LIST_S2

Benign

0.52

M_CAP

Benign

0.0079

MetaRNN

Benign

0.033

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.20

PhyloP100

-1.6

PrimateAI

Benign

0.38

PROVEAN

Benign

-1.1

REVEL

Benign

0.021

Sift

Benign

0.13

Sift4G

Benign

0.098

Polyphen

0.0

Vest4

0.14

MVP

0.067

ClinPred

0.041

GERP RS

-2.9

PromoterAI

-0.017

Neutral

(source)

Varity_R

0.040

gMVP

0.21

Mutation Taster

=100/0

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over