NM_000489.6(ATRX):c.7373G>T (p.Gly2458Val) AND Alpha thalassemia-X-linked intellectual disability syndrome

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Oct 16, 2023
Review status:: 1 star out of maximum of 4 stars
criteria provided, single submitter

Somatic classification of clinical impact:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Somatic classification of oncogenicity:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Record status:: current
Accession:: RCV003512706.2

Allele description [Variation Report for NM_000489.6(ATRX):c.7373G>T (p.Gly2458Val)]

NM_000489.6(ATRX):c.7373G>T (p.Gly2458Val)

Gene:

ATRX:ATRX chromatin remodeler [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

Xq21.1

Genomic location:

Preferred name:

NM_000489.6(ATRX):c.7373G>T (p.Gly2458Val)

HGVS:

NC_000023.11:g.77508457C>A
NG_008838.3:g.282813G>T
NM_000489.6:c.7373G>TMANE SELECT
NM_138270.5:c.7259G>T
NP_000480.3:p.Gly2458Val
NP_000480.3:p.Gly2458Val
NP_612114.2:p.Gly2420Val
LRG_1153t1:c.7373G>T
LRG_1153:g.282813G>T
LRG_1153p1:p.Gly2458Val
NC_000023.10:g.76763935C>A
NM_000489.5:c.7373G>T

Protein change:

G2420V

Molecular consequence:

NM_000489.6:c.7373G>T - missense variant - [Sequence Ontology: SO:0001583]
NM_138270.5:c.7259G>T - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Alpha thalassemia-X-linked intellectual disability syndrome (ATRX)
Synonyms:: ALPHA-THALASSEMIA/MENTAL RETARDATION SYNDROME, X-LINKED; ATR-X syndrome; Alpha thalassemia mental retardation syndrome, nondeletion type, X-linked; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0010519; MedGen: C1845055; Orphanet: 847; OMIM: 301040

Recent activity

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Zfp865 zinc finger protein 865 [Mus musculus]
Zfp865 zinc finger protein 865 [Mus musculus]
Gene ID:319748

Gene
319748[uid] AND (alive[prop]) (1)
Gene
Mus musculus Tu translation elongation factor, mitochondrial (Tufm), transcript ...
Mus musculus Tu translation elongation factor, mitochondrial (Tufm), transcript variant 1, mRNA; nuclear gene for mitochondrial product
gi|254911121|ref|NM_172745.3|

Nucleotide
Homo sapiens protease, serine, 21 (testisin), mRNA (cDNA clone MGC:104150 IMAGE:...
Homo sapiens protease, serine, 21 (testisin), mRNA (cDNA clone MGC:104150 IMAGE:30915610), complete cds
gi|50960599|gb|BC074999.2|

Nucleotide
Mus musculus Tu translation elongation factor, mitochondrial, mRNA (cDNA clone M...
Mus musculus Tu translation elongation factor, mitochondrial, mRNA (cDNA clone MGC:74048 IMAGE:30379757), complete cds
gi|38173912|gb|BC060959.1|

Nucleotide

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV004333465	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Oct 16, 2023)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV004333465

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Oct 16, 2023)

germline

clinical testing

PubMed (1)
[See all records that cite this PMID]

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing

Citations

PubMed

Sherloc: a comprehensive refinement of the ACMG-AMP variant classification criteria.

Nykamp K, Anderson M, Powers M, Garcia J, Herrera B, Ho YY, Kobayashi Y, Patil N, Thusberg J, Westbrook M; Invitae Clinical Genomics Group., Topper S.

Genet Med. 2017 Oct;19(10):1105-1117. doi: 10.1038/gim.2017.37. Epub 2017 May 11. Erratum in: Genet Med. 2020 Jan;22(1):240. doi: 10.1038/s41436-019-0624-9.

PubMed [citation]

PMID:: 28492532
PMCID:: PMC5632818

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV004333465.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (1)

Description

This sequence change replaces glycine, which is neutral and non-polar, with valine, which is neutral and non-polar, at codon 2458 of the ATRX protein (p.Gly2458Val). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with ATRX-related conditions. Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt ATRX protein function. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Sep 29, 2024

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