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NM_000051.4(ATM):c.6424A>G (p.Thr2142Ala) AND Ataxia-telangiectasia syndrome

Germline classification:
Uncertain significance (2 submissions)
Last evaluated:
Apr 1, 2022
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:
RCV000820050.15

Allele description

NM_000051.4(ATM):c.6424A>G (p.Thr2142Ala)

Genes:
ATM:ATM serine/threonine kinase [Gene - OMIM - HGNC]
C11orf65:chromosome 11 open reading frame 65 [Gene - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
11q22.3
Genomic location:
Preferred name:
NM_000051.4(ATM):c.6424A>G (p.Thr2142Ala)
HGVS:
  • NC_000011.10:g.108320030A>G
  • NG_009830.1:g.102199A>G
  • NG_054724.1:g.154803T>C
  • NM_000051.4:c.6424A>GMANE SELECT
  • NM_001330368.2:c.641-10959T>C
  • NM_001351110.2:c.*39-10959T>C
  • NM_001351834.2:c.6424A>G
  • NP_000042.3:p.Thr2142Ala
  • NP_000042.3:p.Thr2142Ala
  • NP_001338763.1:p.Thr2142Ala
  • LRG_135t1:c.6424A>G
  • LRG_135:g.102199A>G
  • LRG_135p1:p.Thr2142Ala
  • NC_000011.9:g.108190757A>G
  • NM_000051.3:c.6424A>G
Protein change:
T2142A
Links:
dbSNP: rs1263398076
NCBI 1000 Genomes Browser:
rs1263398076
Molecular consequence:
  • NM_001330368.2:c.641-10959T>C - intron variant - [Sequence Ontology: SO:0001627]
  • NM_001351110.2:c.*39-10959T>C - intron variant - [Sequence Ontology: SO:0001627]
  • NM_000051.4:c.6424A>G - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001351834.2:c.6424A>G - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:
Ataxia-telangiectasia syndrome (AT)
Synonyms:
Louis-Bar syndrome; Cerebello-oculocutaneous telangiectasia; Immunodeficiency with ataxia telangiectasia; See all synonyms [MedGen]
Identifiers:
MONDO: MONDO:0008840; MedGen: C0004135; Orphanet: 100; OMIM: 208900

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Assertion and evidence details

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV000960742Invitae
criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))		Uncertain significance
(Apr 1, 2022) 		germlineclinical testing

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

SCV002084330Natera, Inc.
no assertion criteria provided
Uncertain significance
(Sep 23, 2020) 		germlineclinical testing

Help

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlineunknownnot providednot providednot providednot providednot providedclinical 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 Invitae, SCV000960742.5

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (1)

Description

This sequence change replaces threonine, which is neutral and polar, with alanine, which is neutral and non-polar, at codon 2142 of the ATM protein (p.Thr2142Ala). This variant is present in population databases (no rsID available, gnomAD 0.0009%). This variant has not been reported in the literature in individuals affected with ATM-related conditions. ClinVar contains an entry for this variant (Variation ID: 478935). 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 ATM 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.

#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

From Natera, Inc., SCV002084330.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testingnot provided
#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

Last Updated: Sep 16, 2024