NM_000059.4(BRCA2):c.126T>A (p.Tyr42Ter) AND Hereditary cancer-predisposing syndrome

Germline classification:: Pathogenic (1 submission)
Last evaluated:: May 25, 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:: RCV003298332.2

Allele description [Variation Report for NM_000059.4(BRCA2):c.126T>A (p.Tyr42Ter)]

NM_000059.4(BRCA2):c.126T>A (p.Tyr42Ter)

Gene:

BRCA2:BRCA2 DNA repair associated [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

13q13.1

Genomic location:

Preferred name:

NM_000059.4(BRCA2):c.126T>A (p.Tyr42Ter)

Other names:

354T>A

HGVS:

NC_000013.11:g.32319135T>A
NG_012772.3:g.8656T>A
NG_017006.2:g.1229A>T
NM_000059.4:c.126T>AMANE SELECT
NP_000050.2:p.Tyr42Ter
NP_000050.3:p.Tyr42Ter
LRG_293t1:c.126T>A
LRG_293:g.8656T>A
LRG_293p1:p.Tyr42Ter
NC_000013.10:g.32893272T>A
NM_000059.3:c.126T>A
p.Tyr42X

Protein change:

Y42*

Links:

dbSNP: rs886040353

NCBI 1000 Genomes Browser:

rs886040353

Molecular consequence:

NM_000059.4:c.126T>A - nonsense - [Sequence Ontology: SO:0001587]

Condition(s)

Name:: Hereditary cancer-predisposing syndrome
Synonyms:: Neoplastic Syndromes, Hereditary; Tumor predisposition; Cancer predisposition; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0015356; MeSH: D009386; MedGen: C0027672

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV004005512	Ambry Genetics	criteria provided, single submitter (Ambry Variant Classification Scheme 2023)	Pathogenic (May 25, 2023)	germline	clinical testing	Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV004005512

Ambry Genetics

criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)

Pathogenic
(May 25, 2023)

germline

clinical testing

Citation Link

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

Details of each submission

From Ambry Genetics, SCV004005512.2

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

Description

The p.Y42* pathogenic mutation (also known as c.126T>A), located in coding exon 2 of the BRCA2 gene, results from a T to A substitution at nucleotide position 126. This changes the amino acid from a tyrosine to a stop codon within coding exon 2. This variant is considered to be rare based on population cohorts in the Genome Aggregation Database (gnomAD). This alteration is expected to result in loss of function by premature protein truncation or nonsense-mediated mRNA decay. As such, this alteration is interpreted as a disease-causing mutation.

#	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 8, 2024

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