dbSNP rs1557069232: ATRX:p.Asn2080Asn (chrX-77574336-G-A) – ACMG Classification: Likely_benign (-3 pts)

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PM2BP4_ModerateBP6_ModerateBP7

The NM_000489.6(ATRX):c.6240C>T(p.Asn2080Asn) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000275 in 1,090,791 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 1 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: not found (cov: 22)

Exomes 𝑓: 0.0000028 ( 0 hom. 1 hem. )

Consequence

ATRX
NM_000489.6 synonymous

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 1.75

Publications

0 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: G2P, Labcorp Genetics (formerly Invitae), Orphanet, Ambry Genetics
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: Likely_benign. The variant received -3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.43).

BP6

Variant X-77574336-G-A is Benign according to our data. Variant chrX-77574336-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 465064.Status of the report is criteria_provided_single_submitter, 1 stars.

BP7

Synonymous conserved (PhyloP=1.75 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ATRX	NM_000489.6 link	c.6240C>T	p.Asn2080Asn	synonymous_variant	Exon 28 of 35	ENST00000373344.11	NP_000480.3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ATRX	ENST00000373344.11 link	c.6240C>T	p.Asn2080Asn	synonymous_variant	Exon 28 of 35	1	NM_000489.6	ENSP00000362441.4		P46100-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000546

AC:

AN:

183027

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:

0.0000625

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000275

AC:

AN:

1090791

Hom.:

Cov.:

AF XY:

0.00000280

AC XY:

AN XY:

356833

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

26249

American (AMR)

AF:

0.00

AC:

AN:

35173

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

19290

East Asian (EAS)

AF:

0.00

AC:

AN:

30123

South Asian (SAS)

AF:

0.00

AC:

AN:

53918

European-Finnish (FIN)

AF:

0.0000247

AC:

AN:

40511

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4114

European-Non Finnish (NFE)

AF:

0.00000239

AC:

AN:

835591

Other (OTH)

AF:

0.00

AC:

AN:

45822

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.450

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Alpha thalassemia-X-linked intellectual disability syndrome

Benign:1

Feb 01, 2023

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.43

CADD

Benign

7.4

(source)

DANN

Benign

0.75

PhyloP100

1.8

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Mutation Taster

=100/0

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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rs1557069232

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over