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NM_000059.4(BRCA2):c.197A>C (p.Gln66Pro) AND Hereditary cancer-predisposing syndrome

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Feb 13, 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:
RCV003187247.2

Allele description [Variation Report for NM_000059.4(BRCA2):c.197A>C (p.Gln66Pro)]

NM_000059.4(BRCA2):c.197A>C (p.Gln66Pro)

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.197A>C (p.Gln66Pro)
HGVS:
  • NC_000013.11:g.32319206A>C
  • NG_012772.3:g.8727A>C
  • NG_017006.2:g.1158T>G
  • NM_000059.4:c.197A>CMANE SELECT
  • NM_001406719.1:c.197A>C
  • NM_001406720.1:c.197A>C
  • NM_001406721.1:c.197A>C
  • NM_001406722.1:c.-173A>C
  • NP_000050.2:p.Gln66Pro
  • NP_000050.3:p.Gln66Pro
  • NP_001393648.1:p.Gln66Pro
  • NP_001393649.1:p.Gln66Pro
  • NP_001393650.1:p.Gln66Pro
  • LRG_293t1:c.197A>C
  • LRG_293:g.8727A>C
  • LRG_293p1:p.Gln66Pro
  • NC_000013.10:g.32893343A>C
  • NM_000059.3:c.197A>C
  • NR_176251.1:n.396A>C
Protein change:
Q66P
Molecular consequence:
  • NM_001406722.1:c.-173A>C - 5 prime UTR variant - [Sequence Ontology: SO:0001623]
  • NM_000059.4:c.197A>C - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001406719.1:c.197A>C - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001406720.1:c.197A>C - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001406721.1:c.197A>C - missense variant - [Sequence Ontology: SO:0001583]
  • NR_176251.1:n.396A>C - non-coding transcript variant - [Sequence Ontology: SO:0001619]

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

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV003853809Ambry Genetics
criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)		Uncertain significance
(Feb 13, 2023) 		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, SCV003853809.2

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

Description

The p.Q66P variant (also known as c.197A>C), located in coding exon 2 of the BRCA2 gene, results from an A to C substitution at nucleotide position 197. The glutamine at codon 66 is replaced by proline, an amino acid with similar properties. This amino acid position is well 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 1, 2024