Genetic Variant NM_001184.4:c.7902C>G (chr3-142449462-G-C) – ACMG Classification: Likely_pathogenic (6 pts)

Variant summary

Our verdict is Likely pathogenic. The variant received 6 ACMG points: 6P and 0B. PM2PP3_Strong

The NM_001184.4(ATR):c.7902C>G(p.Cys2634Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000685 in 1,459,762 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. C2634G) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

ATR
NM_001184.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.26

Publications

0 publications found

Variant links:

Genes affected

ATR (HGNC:882): (ATR serine/threonine kinase) The protein encoded by this gene is a serine/threonine kinase and DNA damage sensor, activating cell cycle checkpoint signaling upon DNA stress. The encoded protein can phosphorylate and activate several proteins involved in the inhibition of DNA replication and mitosis, and can promote DNA repair, recombination, and apoptosis. This protein is also important for fragile site stability and centrosome duplication. Defects in this gene are a cause of Seckel syndrome 1. [provided by RefSeq, Aug 2017]

ATR Gene-Disease associations (from GenCC):

Seckel syndrome 1
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Illumina, G2P, Ambry Genetics
sarcoma
Inheritance: AD Classification: MODERATE Submitted by: Genomics England PanelApp
familial cutaneous telangiectasia and oropharyngeal predisposition cancer syndrome
Inheritance: Unknown, AD Classification: MODERATE, SUPPORTIVE, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Orphanet, Genomics England PanelApp
Seckel syndrome
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
familial prostate carcinoma
Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics

ATR links:

ENSG00000295506 (HGNC:):

ENSG00000295506 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_pathogenic. The variant received 6 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.969

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ATR	NM_001184.4 link	c.7902C>G	p.Cys2634Trp	missense_variant	Exon 47 of 47	ENST00000350721.9	NP_001175.2	Q13535-1
ATR	NM_001354579.2 link	c.7710C>G	p.Cys2570Trp	missense_variant	Exon 46 of 46		NP_001341508.1
ATR	XM_011512924.2 link	c.7908C>G	p.Cys2636Trp	missense_variant	Exon 47 of 47		XP_011511226.1
ATR	XM_011512925.2 link	c.7716C>G	p.Cys2572Trp	missense_variant	Exon 46 of 46		XP_011511227.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ATR	ENST00000350721.9 link	c.7902C>G	p.Cys2634Trp	missense_variant	Exon 47 of 47	1	NM_001184.4	ENSP00000343741.4		Q13535-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.85e-7

AC:

AN:

1459762

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726314

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33426

American (AMR)

AF:

0.00

AC:

AN:

44720

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26124

East Asian (EAS)

AF:

0.00

AC:

AN:

39654

South Asian (SAS)

AF:

0.00

AC:

AN:

86220

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53414

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5762

European-Non Finnish (NFE)

AF:

9.01e-7

AC:

AN:

1110096

Other (OTH)

AF:

0.00

AC:

AN:

60346

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.98

BayesDel_addAF

Pathogenic

0.40

BayesDel_noAF

Pathogenic

0.34

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Uncertain

0.68

Eigen

Uncertain

0.47

Eigen_PC

Uncertain

0.32

FATHMM_MKL

Uncertain

0.96

LIST_S2

Uncertain

0.91

M_CAP

Uncertain

0.24

MetaRNN

Pathogenic

0.97

MetaSVM

Uncertain

0.39

MutationAssessor

Pathogenic

3.4

PhyloP100

1.3

PrimateAI

Pathogenic

0.87

PROVEAN

Pathogenic

-7.9

REVEL

Pathogenic

0.79

Sift

Pathogenic

0.0

Sift4G

Pathogenic

0.0010

Polyphen

1.0

Vest4

0.89

MutPred

0.87

Loss of catalytic residue at C2634 (P = 0.1202);

MVP

0.96

MPC

1.9

ClinPred

1.0

GERP RS

-0.21

Varity_R

0.95

gMVP

0.94

Mutation Taster

=57/43

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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NM_001184.4:c.7902C>G

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over