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NM_002485.5(NBN):c.2226T>A (p.Asp742Glu) AND Hereditary cancer-predisposing syndrome

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Mar 31, 2024
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:
RCV000216943.5

Allele description [Variation Report for NM_002485.5(NBN):c.2226T>A (p.Asp742Glu)]

NM_002485.5(NBN):c.2226T>A (p.Asp742Glu)

Gene:
NBN:nibrin [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
8q21.3
Genomic location:
Preferred name:
NM_002485.5(NBN):c.2226T>A (p.Asp742Glu)
HGVS:
  • NC_000008.11:g.89937034A>T
  • NG_008860.1:g.52638T>A
  • NM_001024688.3:c.1980T>A
  • NM_002485.5:c.2226T>AMANE SELECT
  • NP_001019859.1:p.Asp660Glu
  • NP_002476.2:p.Asp742Glu
  • NP_002476.2:p.Asp742Glu
  • LRG_158t1:c.2226T>A
  • LRG_158:g.52638T>A
  • LRG_158p1:p.Asp742Glu
  • NC_000008.10:g.90949262A>T
  • NM_002485.4:c.2226T>A
Protein change:
D660E
Links:
dbSNP: rs767523514
NCBI 1000 Genomes Browser:
rs767523514
Molecular consequence:
  • NM_001024688.3:c.1980T>A - missense variant - [Sequence Ontology: SO:0001583]
  • NM_002485.5:c.2226T>A - missense variant - [Sequence Ontology: SO:0001583]

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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Assertion and evidence details

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Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV000274506Ambry Genetics
criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)		Uncertain significance
(Mar 31, 2024) 		germlineclinical testing

Citation Link

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Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlineunknownnot providednot providednot providednot providednot providedclinical testing

Details of each submission

From Ambry Genetics, SCV000274506.8

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testingnot provided

Description

The p.D742E variant (also known as c.2226T>A), located in coding exon 15 of the NBN gene, results from a T to A substitution at nucleotide position 2226. The aspartic acid at codon 742 is replaced by glutamic acid, an amino acid with highly similar properties. This amino acid position is highly conserved in available vertebrate species. In addition, this alteration is predicted to be tolerated by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

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

Last Updated: Sep 29, 2024