Genetic Variant ART1:p.Arg142Trp (chr11-3659943-C-T) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 3P and 0B. PM2PP3

The NM_004314.3(ART1):c.424C>T(p.Arg142Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000459 in 1,613,740 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 (★).

Frequency

Genomes: 𝑓 0.000046 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000046 ( 0 hom. )

Consequence

ART1
NM_004314.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.505

Variant links:

Genes affected

ART1 (HGNC:723): (ADP-ribosyltransferase 1) ADP-ribosyltransferase catalyzes the ADP-ribosylation of arginine residues in proteins. Mono-ADP-ribosylation is a posttranslational modification of proteins that is interfered with by a variety of bacterial toxins including cholera, pertussis, and heat-labile enterotoxins of E. coli. The amino acid sequence consists of predominantly hydrophobic N- and C-terminal regions, which is characteristic of glycosylphosphatidylinositol (GPI)-anchored proteins. This gene was previously designated ART2. [provided by RefSeq, Jul 2008]

ART1 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.768

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ART1	NM_004314.3 link	c.424C>T	p.Arg142Trp	missense_variant	Exon 3 of 5	ENST00000250693.2	NP_004305.2	P52961
ART1	XM_011520114.4 link	c.424C>T	p.Arg142Trp	missense_variant	Exon 4 of 6		XP_011518416.1	P52961
ART1	XM_017017763.3 link	c.424C>T	p.Arg142Trp	missense_variant	Exon 4 of 6		XP_016873252.1	P52961

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ART1	ENST00000250693.2 link	c.424C>T	p.Arg142Trp	missense_variant	Exon 3 of 5	1	NM_004314.3	ENSP00000250693.1		P52961

Frequencies

GnomAD3 genomes

AF:

0.0000460

AC:

AN:

152246

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000654

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00316

Gnomad NFE

AF:

0.0000588

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000599

AC:

AN:

250272

Hom.:

AF XY:

0.0000738

AC XY:

AN XY:

135516

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000544

Gnomad SAS exome

AF:

0.0000982

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000708

Gnomad OTH exome

AF:

0.000491

GnomAD4 exome

AF:

0.0000458

AC:

AN:

1461376

Hom.:

Cov.:

AF XY:

0.0000495

AC XY:

AN XY:

726990

show subpopulations

Gnomad4 AFR exome

AF:

0.0000299

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000504

Gnomad4 SAS exome

AF:

0.0000696

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000387

Gnomad4 OTH exome

AF:

0.000149

GnomAD4 genome

AF:

0.0000459

AC:

AN:

152364

Hom.:

Cov.:

AF XY:

0.0000537

AC XY:

AN XY:

74500

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.0000653

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.000207

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000588

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000675

Hom.:

Bravo

AF:

0.0000227

ExAC

AF:

0.0000741

AC:

EpiCase

AF:

0.000109

EpiControl

AF:

0.000178

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

May 02, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.424C>T (p.R142W) alteration is located in exon 3 (coding exon 2) of the ART1 gene. This alteration results from a C to T substitution at nucleotide position 424, causing the arginine (R) at amino acid position 142 to be replaced by a tryptophan (W). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.17

BayesDel_addAF

Benign

-0.10

BayesDel_noAF

Benign

-0.18

CADD

Uncertain

DANN

Pathogenic

1.0

DEOGEN2

Benign

0.098

Eigen

Benign

0.14

Eigen_PC

Benign

0.026

FATHMM_MKL

Benign

0.16

LIST_S2

Uncertain

0.91

M_CAP

Benign

0.019

MetaRNN

Pathogenic

0.77

MetaSVM

Benign

-1.1

MutationAssessor

Pathogenic

3.0

PrimateAI

Uncertain

0.60

PROVEAN

Pathogenic

-5.0

REVEL

Benign

0.19

Sift

Uncertain

0.0010

Sift4G

Uncertain

0.0040

Polyphen

1.0

Vest4

0.60

MutPred

0.72

Loss of disorder (P = 0.0123);

MVP

0.51

MPC

0.20

ClinPred

0.81

GERP RS

3.7

Varity_R

0.55

gMVP

0.57

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over