Genetic Variant ADARB2:p.Val643Met (chr10-1184977-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_018702.4(ADARB2):c.1927G>A(p.Val643Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000892 in 1,613,802 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000092 ( 0 hom., cov: 34)

Exomes 𝑓: 0.000089 ( 0 hom. )

Consequence

ADARB2
NM_018702.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.361

Publications

1 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]

ADARB2 links:

LINC00200 (HGNC:30974): (long intergenic non-protein coding RNA 200)

LINC00200 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=0.039088547).

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.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ADARB2	NM_018702.4	MANE Select	c.1927G>A	p.Val643Met	missense	Exon 9 of 10	NP_061172.1	Q9NS39-1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
ADARB2	ENST00000381312.6	TSL:1 MANE Select	c.1927G>A	p.Val643Met	missense	Exon 9 of 10	ENSP00000370713.1	Q9NS39-1
ADARB2	ENST00000381310.7	TSL:1	c.454G>A	p.Val152Met	missense	Exon 2 of 3	ENSP00000370711.3	Q9NS39-2
ADARB2	ENST00000474762.5	TSL:1	n.127G>A		non_coding_transcript_exon	Exon 2 of 3

Frequencies

GnomAD3 genomes

AF:

0.0000919

AC:

AN:

152264

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:

0.00212

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000441

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000124

AC:

AN:

250142

AF XY:

0.000103

show subpopulations

Gnomad AFR exome

AF:

0.0000620

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00136

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000266

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000890

AC:

130

AN:

1461420

Hom.:

Cov.:

AF XY:

0.0000949

AC XY:

AN XY:

727040

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33470

American (AMR)

AF:

0.00

AC:

AN:

44718

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26120

East Asian (EAS)

AF:

0.000907

AC:

AN:

39694

South Asian (SAS)

AF:

0.000313

AC:

AN:

86240

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53102

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5712

European-Non Finnish (NFE)

AF:

0.0000558

AC:

AN:

1111984

Other (OTH)

AF:

0.0000828

AC:

AN:

60380

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.478

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:

0.0000919

AC:

AN:

152382

Hom.:

Cov.:

AF XY:

0.000134

AC XY:

AN XY:

74518

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41598

American (AMR)

AF:

0.00

AC:

AN:

15312

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00212

AC:

AN:

5180

South Asian (SAS)

AF:

0.00

AC:

AN:

4832

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10626

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000441

AC:

AN:

68040

Other (OTH)

AF:

0.00

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.479

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:

0.0000789

Hom.:

Bravo

AF:

0.0000907

ExAC

AF:

0.000157

AC:

Asia WGS

AF:

0.000577

AC:

AN:

3478

EpiCase

AF:

0.0000545

EpiControl

AF:

0.00

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

0.085

BayesDel_addAF

Benign

-0.28

BayesDel_noAF

Benign

-0.20

CADD

Benign

(source)

DANN

Benign

0.97

DEOGEN2

Benign

0.21

Eigen

Benign

-0.83

Eigen_PC

Benign

-0.93

FATHMM_MKL

Benign

0.15

LIST_S2

Benign

0.70

M_CAP

Benign

0.051

MetaRNN

Benign

0.039

MetaSVM

Uncertain

0.14

MutationAssessor

Uncertain

2.3

PhyloP100

0.36

PrimateAI

Benign

0.24

PROVEAN

Benign

-1.4

REVEL

Uncertain

0.33

Sift

Benign

0.11

Sift4G

Benign

0.094

Polyphen

0.11

Vest4

0.12

MVP

0.58

MPC

0.30

ClinPred

0.027

GERP RS

0.77

Varity_R

0.070

gMVP

0.16

Mutation Taster

=87/13

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