Genetic Variant ART4:p.Gln148Glu (chr12-14840856-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_021071.4(ART4):c.442C>G(p.Gln148Glu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,862 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/20 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: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

ART4
NM_021071.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.230

Publications

1 publications found

Variant links:

Genes affected

ART4 (HGNC:726): (ADP-ribosyltransferase 4 (inactive) (Dombrock blood group)) This gene encodes a protein that contains a mono-ADP-ribosylation (ART) motif. It is a member of the ADP-ribosyltransferase gene family but enzymatic activity has not been demonstrated experimentally. Antigens of the Dombrock blood group system are located on the gene product, which is glycosylphosphatidylinosotol-anchored to the erythrocyte membrane. Allelic variants, some of which lead to adverse transfusion reactions, are known. [provided by RefSeq, Jul 2008]

ART4 links:

C12orf60 (HGNC:28726): (chromosome 12 open reading frame 60)

C12orf60 links:

ENSG00000256339 (HGNC:):

ENSG00000256339 links:

Genome browser will be placed here

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=0.02930516).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_021071.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ART4	NM_021071.4	MANE Select	c.442C>G	p.Gln148Glu	missense	Exon 2 of 3	NP_066549.2
	ART4	NM_001354646.2		c.442C>G	p.Gln148Glu	missense	Exon 2 of 2	NP_001341575.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
ART4	ENST00000228936.6	TSL:1 MANE Select	c.442C>G	p.Gln148Glu	missense	Exon 2 of 3	ENSP00000228936.4
ART4	ENST00000420600.2	TSL:1	c.391C>G	p.Gln131Glu	missense	Exon 2 of 2	ENSP00000405689.1
ART4	ENST00000430129.6	TSL:1	c.165+226C>G		intron	N/A	ENSP00000412735.2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000398

AC:

AN:

251232

AF XY:

0.00

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:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461862

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727228

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44720

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26132

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86250

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1112002

Other (OTH)

AF:

0.00

AC:

AN:

60392

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

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

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.067

BayesDel_addAF

Benign

-0.42

BayesDel_noAF

Benign

-0.74

CADD

Benign

0.61

(source)

DANN

Benign

0.63

DEOGEN2

Benign

0.0019

Eigen

Benign

-1.1

Eigen_PC

Benign

-1.1

FATHMM_MKL

Benign

0.034

LIST_S2

Benign

0.62

M_CAP

Benign

0.0049

MetaRNN

Benign

0.029

MetaSVM

Benign

-0.97

PhyloP100

0.23

PrimateAI

Benign

0.24

PROVEAN

Benign

-0.78

REVEL

Benign

0.054

Sift

Benign

1.0

Sift4G

Benign

1.0

Vest4

0.056

MutPred

0.35

Loss of MoRF binding (P = 0.1064)

MVP

0.17

MPC

0.0096

ClinPred

0.022

GERP RS

-0.15

gMVP

0.077

Mutation Taster

=99/1

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over