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NM_000465.4(BARD1):c.274A>T (p.Ile92Leu) AND not provided

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
May 9, 2016
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:
RCV000486558.2

Allele description [Variation Report for NM_000465.4(BARD1):c.274A>T (p.Ile92Leu)]

NM_000465.4(BARD1):c.274A>T (p.Ile92Leu)

Gene:
BARD1:BRCA1 associated RING domain 1 [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
2q35
Genomic location:
Preferred name:
NM_000465.4(BARD1):c.274A>T (p.Ile92Leu)
HGVS:
  • NC_000002.12:g.214792387T>A
  • NG_012047.3:g.22325A>T
  • NM_000465.4:c.274A>TMANE SELECT
  • NM_001282543.2:c.217A>T
  • NM_001282545.2:c.215+4674A>T
  • NM_001282548.2:c.158+17025A>T
  • NM_001282549.2:c.274A>T
  • NP_000456.2:p.Ile92Leu
  • NP_001269472.1:p.Ile73Leu
  • NP_001269478.1:p.Ile92Leu
  • LRG_297t1:c.274A>T
  • LRG_297:g.22325A>T
  • LRG_297p1:p.Ile92Leu
  • NC_000002.11:g.215657111T>A
  • NG_012047.2:g.22318A>T
  • NM_000465.2:c.274A>T
  • NM_000465.3:c.274A>T
  • NR_104216.2:n.388A>T
Protein change:
I73L
Links:
dbSNP: rs750878896
NCBI 1000 Genomes Browser:
rs750878896
Molecular consequence:
  • NM_001282545.2:c.215+4674A>T - intron variant - [Sequence Ontology: SO:0001627]
  • NM_001282548.2:c.158+17025A>T - intron variant - [Sequence Ontology: SO:0001627]
  • NM_000465.4:c.274A>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001282543.2:c.217A>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001282549.2:c.274A>T - missense variant - [Sequence Ontology: SO:0001583]
  • NR_104216.2:n.388A>T - non-coding transcript variant - [Sequence Ontology: SO:0001619]

Condition(s)

Synonyms:
none provided
Identifiers:
MedGen: C3661900

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Assertion and evidence details

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV000570238GeneDx
criteria provided, single submitter

(GeneDx Variant Classification (06012015))		Uncertain significance
(May 9, 2016) 		germlineclinical testing

Citation Link

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Summary from all submissions

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

Details of each submission

From GeneDx, SCV000570238.4

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

Description

This variant is denoted BARD1 c.274A>T at the cDNA level, p.Ile92Leu (I92L) at the protein level, and results in the change of an Isoleucine to a Leucine (ATA>TTA). This variant has not, to our knowledge, been published in the literature as pathogenic or benign. BARD1 Ile92Leu was not observed in approximately 6,500 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, suggesting it is not a common benign variant in these populations. Since Isoleucine and Leucine share similar properties, this is considered a conservative amino acid substitution. BARD1 Ile92Leu occurs at a position where amino acids with properties similar to Isoleucine are tolerated across species and is located within the region of interaction with BRCA1 (UniProt). In silico analyses are inconsistent regarding the effect this variant may have on protein structure and function. Based on currently available evidence, it is unclear whether BARD1 Ile92Leu is a pathogenic or benign variant. We consider it to be a variant of uncertain significance.

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

Last Updated: Sep 8, 2024