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NM_000051.4(ATM):c.6374A>T (p.His2125Leu) AND Ataxia-telangiectasia syndrome

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
May 17, 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:
RCV000628057.15

Allele description [Variation Report for NM_000051.4(ATM):c.6374A>T (p.His2125Leu)]

NM_000051.4(ATM):c.6374A>T (p.His2125Leu)

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.6374A>T (p.His2125Leu)
HGVS:
  • NC_000011.10:g.108319980A>T
  • NG_009830.1:g.102149A>T
  • NG_054724.1:g.154853T>A
  • NM_000051.4:c.6374A>TMANE SELECT
  • NM_001330368.2:c.641-10909T>A
  • NM_001351110.2:c.*39-10909T>A
  • NM_001351834.2:c.6374A>T
  • NP_000042.3:p.His2125Leu
  • NP_000042.3:p.His2125Leu
  • NP_001338763.1:p.His2125Leu
  • LRG_135t1:c.6374A>T
  • LRG_135:g.102149A>T
  • LRG_135p1:p.His2125Leu
  • NC_000011.9:g.108190707A>T
  • NM_000051.3:c.6374A>T
Protein change:
H2125L
Links:
dbSNP: rs730881381
NCBI 1000 Genomes Browser:
rs730881381
Molecular consequence:
  • NM_001330368.2:c.641-10909T>A - intron variant - [Sequence Ontology: SO:0001627]
  • NM_001351110.2:c.*39-10909T>A - intron variant - [Sequence Ontology: SO:0001627]
  • NM_000051.4:c.6374A>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001351834.2:c.6374A>T - 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
SCV000748946Labcorp Genetics (formerly Invitae), Labcorp
criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))		Uncertain significance
(May 17, 2023) 		germlineclinical testing

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

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 Labcorp Genetics (formerly Invitae), Labcorp, SCV000748946.4

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

Description

This sequence change replaces histidine, which is basic and polar, with leucine, which is neutral and non-polar, at codon 2125 of the ATM protein (p.His2125Leu). This variant is not present in population databases (gnomAD no frequency). 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. An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be disruptive. ClinVar contains an entry for this variant (Variation ID: 490650). This variant has not been reported in the literature in individuals affected with ATM-related conditions.

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

Last Updated: Nov 3, 2024