rs587778082

Variant names:

Variant summary

Our verdict is Benign. The variant received -7 ACMG points: 0P and 7B. BP4_ModerateBP6BS2

The NM_000489.6(ATRX):c.189G>A(p.Glu63Glu) variant causes a splice region, synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000109 in 1,200,708 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 43 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. 2/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.000054 ( 0 hom., 1 hem., cov: 23)

Exomes 𝑓: 0.00011 ( 0 hom. 42 hem. )

Consequence

ATRX
NM_000489.6 splice_region, synonymous

Scores

Splicing: ADA: 0.9246

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:2O:1

Conservation

PhyloP100: 3.16

Publications

1 publications found

Variant links:

Genes affected

ATRX (HGNC:886): (ATRX chromatin remodeler) The protein encoded by this gene contains an ATPase/helicase domain, and thus it belongs to the SWI/SNF family of chromatin remodeling proteins. This protein is found to undergo cell cycle-dependent phosphorylation, which regulates its nuclear matrix and chromatin association, and suggests its involvement in the gene regulation at interphase and chromosomal segregation in mitosis. Mutations in this gene are associated with X-linked syndromes exhibiting cognitive disabilities as well as alpha-thalassemia (ATRX) syndrome. These mutations have been shown to cause diverse changes in the pattern of DNA methylation, which may provide a link between chromatin remodeling, DNA methylation, and gene expression in developmental processes. Multiple alternatively spliced transcript variants encoding distinct isoforms have been reported. [provided by RefSeq, Jul 2017]

ATRX Gene-Disease associations (from GenCC):

alpha thalassemia-X-linked intellectual disability syndrome
Inheritance: XL Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), G2P, Orphanet
ATR-X-related syndrome
Inheritance: XL Classification: DEFINITIVE Submitted by: ClinGen
intellectual disability-hypotonic facies syndrome, X-linked, 1
Inheritance: XL Classification: MODERATE Submitted by: Ambry Genetics

ATRX links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -7 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.45).

BP6

Variant X-77698574-C-T is Benign according to our data. Variant chrX-77698574-C-T is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 133644.

BS2

High Hemizygotes in GnomAdExome4 at 42 XL gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000489.6. 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
	ATRX	NM_000489.6	MANE Select	c.189G>A	p.Glu63Glu	splice_region synonymous	Exon 3 of 35	NP_000480.3
	ATRX	NM_138270.5		c.189G>A	p.Glu63Glu	splice_region synonymous	Exon 3 of 34	NP_612114.2	P46100-4

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
ATRX	ENST00000373344.11	TSL:1 MANE Select	c.189G>A	p.Glu63Glu	splice_region synonymous	Exon 3 of 35	ENSP00000362441.4	P46100-1
ATRX	ENST00000395603.7	TSL:1	c.189G>A	p.Glu63Glu	splice_region synonymous	Exon 3 of 34	ENSP00000378967.3	P46100-4
ATRX	ENST00000624166.3	TSL:1	c.189G>A	p.Glu63Glu	splice_region synonymous	Exon 3 of 14	ENSP00000485103.1	A0A096LNL9

Frequencies

GnomAD3 genomes

AF:

0.0000536

AC:

AN:

111969

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000950

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:

0.0000940

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000274

AC:

AN:

182503

AF XY:

0.0000149

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000367

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000490

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000115

AC:

125

AN:

1088739

Hom.:

Cov.:

AF XY:

0.000118

AC XY:

AN XY:

355083

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

26248

American (AMR)

AF:

0.0000855

AC:

AN:

35107

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

19287

East Asian (EAS)

AF:

0.00

AC:

AN:

30070

South Asian (SAS)

AF:

0.00

AC:

AN:

53797

European-Finnish (FIN)

AF:

0.00

AC:

AN:

40472

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4089

European-Non Finnish (NFE)

AF:

0.000144

AC:

120

AN:

833910

Other (OTH)

AF:

0.0000437

AC:

AN:

45759

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.427

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

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:

0.0000536

AC:

AN:

111969

Hom.:

Cov.:

AF XY:

0.0000293

AC XY:

AN XY:

34153

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

30851

American (AMR)

AF:

0.0000950

AC:

AN:

10529

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

2647

East Asian (EAS)

AF:

0.00

AC:

AN:

3563

South Asian (SAS)

AF:

0.00

AC:

AN:

2709

European-Finnish (FIN)

AF:

0.00

AC:

AN:

6038

Middle Eastern (MID)

AF:

0.00

AC:

AN:

238

European-Non Finnish (NFE)

AF:

0.0000940

AC:

AN:

53200

Other (OTH)

AF:

0.00

AC:

AN:

1509

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.455

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Hom

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:

0.000142

Hom.:

Bravo

AF:

0.0000453

ClinVar

ClinVar submissions as Germline

Significance:Conflicting classifications of pathogenicity

Revision:criteria provided, conflicting classifications

View on ClinVar

Pathogenic

VUS

Benign

Condition

Alpha thalassemia-X-linked intellectual disability syndrome (2)

ATRX-related disorder (1)

Inborn genetic diseases (1)

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.45

CADD

Pathogenic

(source)

DANN

Benign

0.56

PhyloP100

3.2

PromoterAI

-0.070

Neutral

(source)

Mutation Taster

=28/72

disease causing

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Benign

0.92

dbscSNV1_RF

Pathogenic

0.73

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