Genetic Variant ADAT1:p.His167Asp (chr16-75612787-G-C) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001324445.2(ADAT1):c.499C>G(p.His167Asp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.0 ( 0 hom., cov: 32)

Failed GnomAD Quality Control

Consequence

ADAT1
NM_001324445.2 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.0370

Publications

31 publications found

Variant links:

Genes affected

ADAT1 (HGNC:228): (adenosine deaminase tRNA specific 1) This gene is a member of the ADAR (adenosine deaminase acting on RNA) family. Using site-specific adenosine modification, proteins encoded by these genes participate in the pre-mRNA editing of nuclear transcripts. The protein encoded by this gene, tRNA-specific adenosine deaminase 1, is responsible for the deamination of adenosine 37 to inosine in eukaryotic tRNA. Alternatively spliced transcript variants have been described. [provided by RefSeq, Jul 2010]

ADAT1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.05221516).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001324445.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
ADAT1	NM_001324445.2	MANE Select	c.499C>G	p.His167Asp	missense	Exon 6 of 10	NP_001311374.1
ADAT1	NM_012091.5		c.499C>G	p.His167Asp	missense	Exon 7 of 11	NP_036223.2
ADAT1	NM_001324448.2		c.499C>G	p.His167Asp	missense	Exon 7 of 9	NP_001311377.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
ADAT1	ENST00000564657.2	TSL:2 MANE Select	c.499C>G	p.His167Asp	missense	Exon 6 of 10	ENSP00000457501.2
ADAT1	ENST00000307921.7	TSL:1	c.499C>G	p.His167Asp	missense	Exon 7 of 11	ENSP00000310015.3
ADAT1	ENST00000566445.5	TSL:5	n.*245C>G		non_coding_transcript_exon	Exon 6 of 10	ENSP00000456768.1

Frequencies

GnomAD3 genomes

AF:

0.00

AC:

AN:

151766

Hom.:

Cov.:

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

Data not reliable, filtered out with message: AC0

AF:

0.00

AC:

AN:

151766

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74084

African (AFR)

AF:

0.00

AC:

AN:

41298

American (AMR)

AF:

0.00

AC:

AN:

15232

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5162

South Asian (SAS)

AF:

0.00

AC:

AN:

4818

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10526

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

67958

Other (OTH)

AF:

0.00

AC:

AN:

2074

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.064

BayesDel_addAF

Benign

-0.34

BayesDel_noAF

Benign

-0.73

CADD

Benign

0.57

(source)

DANN

Benign

0.68

DEOGEN2

Benign

0.039

Eigen

Benign

-1.3

Eigen_PC

Benign

-1.2

FATHMM_MKL

Benign

0.051

LIST_S2

Benign

0.21

M_CAP

Benign

0.0059

MetaRNN

Benign

0.052

MetaSVM

Benign

-0.97

MutationAssessor

Benign

0.55

PhyloP100

-0.037

PrimateAI

Benign

0.24

PROVEAN

Benign

0.78

REVEL

Benign

0.017

Sift

Benign

0.54

Sift4G

Benign

0.60

Polyphen

0.035

Vest4

0.062

MutPred

0.39

Gain of disorder (P = 0.0659)

MVP

0.092

MPC

0.0074

ClinPred

0.041

GERP RS

1.8

Varity_R

0.031

gMVP

0.34

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over