NM_000051.4(ATM):c.6448G>A (p.Ala2150Thr) AND Ataxia-telangiectasia syndrome

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Aug 19, 2020
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:: RCV001048835.16

Allele description [Variation Report for NM_000051.4(ATM):c.6448G>A (p.Ala2150Thr)]

NM_000051.4(ATM):c.6448G>A (p.Ala2150Thr)

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.6448G>A (p.Ala2150Thr)

HGVS:

NC_000011.10:g.108320054G>A
NG_009830.1:g.102223G>A
NG_054724.1:g.154779C>T
NM_000051.4:c.6448G>AMANE SELECT
NM_001330368.2:c.641-10983C>T
NM_001351110.2:c.*39-10983C>T
NM_001351834.2:c.6448G>A
NP_000042.3:p.Ala2150Thr
NP_000042.3:p.Ala2150Thr
NP_001338763.1:p.Ala2150Thr
LRG_135t1:c.6448G>A
LRG_135:g.102223G>A
LRG_135p1:p.Ala2150Thr
NC_000011.9:g.108190781G>A
NM_000051.3:c.6448G>A

Protein change:

A2150T

Links:

dbSNP: rs1591100678

NCBI 1000 Genomes Browser:

rs1591100678

Molecular consequence:

NM_001330368.2:c.641-10983C>T - intron variant - [Sequence Ontology: SO:0001627]
NM_001351110.2:c.*39-10983C>T - intron variant - [Sequence Ontology: SO:0001627]
NM_000051.4:c.6448G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_001351834.2:c.6448G>A - 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

Recent activity

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Homo sapiens uridine-cytidine kinase 1 like 1 (UCKL1), transcript variant 2, mRN...
Homo sapiens uridine-cytidine kinase 1 like 1 (UCKL1), transcript variant 2, mRNA
gi|301129206|ref|NM_001193379.1|

Nucleotide
Homo sapiens uridine-cytidine kinase 1 like 1 (UCKL1), transcript variant 10, mR...
Homo sapiens uridine-cytidine kinase 1 like 1 (UCKL1), transcript variant 10, mRNA
gi|1676441084|ref|NM_001353481.2|

Nucleotide
Homo sapiens uridine-cytidine kinase 1 like 1 (UCKL1), transcript variant 5, mRN...
Homo sapiens uridine-cytidine kinase 1 like 1 (UCKL1), transcript variant 5, mRNA
gi|1676324840|ref|NM_001353476.2|

Nucleotide
MGAT4C [Bubalus bubalis]
MGAT4C [Bubalus bubalis]
Gene ID:102410250

Gene

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001212859	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Aug 19, 2020)	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

SCV001212859

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Aug 19, 2020)

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, SCV001212859.5

#	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 alanine with threonine at codon 2150 of the ATM protein (p.Ala2150Thr). The alanine residue is highly conserved and there is a small physicochemical difference between alanine and threonine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals with ATM-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Tolerated"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). 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: Nov 10, 2024

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