rs80358784
Variant summary
Our verdict is Likely benign. Variant got -1 ACMG points: 2P and 3B. PM2BP4_ModerateBP6
The NM_000059.4(BRCA2):c.5634C>A(p.Asn1878Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000206 in 1,459,626 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/19 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another nucleotide change resulting in same amino acid change has been previously reported as Benignin ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. N1878D) has been classified as Uncertain significance.
Frequency
Consequence
NM_000059.4 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Likely_benign. Variant got -1 ACMG points.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
BRCA2 | NM_000059.4 | c.5634C>A | p.Asn1878Lys | missense_variant | 11/27 | ENST00000380152.8 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
BRCA2 | ENST00000380152.8 | c.5634C>A | p.Asn1878Lys | missense_variant | 11/27 | 5 | NM_000059.4 | A2 |
Frequencies
GnomAD3 genomes Cov.: 33
GnomAD3 exomes AF: 0.00000804 AC: 2AN: 248658Hom.: 0 AF XY: 0.0000149 AC XY: 2AN XY: 134380
GnomAD4 exome AF: 0.00000206 AC: 3AN: 1459626Hom.: 0 Cov.: 47 AF XY: 0.00000276 AC XY: 2AN XY: 725936
GnomAD4 genome Cov.: 33
ClinVar
Submissions by phenotype
Hereditary cancer-predisposing syndrome Uncertain:1Benign:1
Likely benign, criteria provided, single submitter | curation | University of Washington Department of Laboratory Medicine, University of Washington | Mar 23, 2023 | Missense variant in a coldspot region where missense variants are very unlikely to be pathogenic (PMID:31911673). - |
Uncertain significance, criteria provided, single submitter | clinical testing | Ambry Genetics | Aug 12, 2021 | The p.N1878K variant (also known as c.5634C>A), located in coding exon 10 of the BRCA2 gene, results from a C to A substitution at nucleotide position 5634. The asparagine at codon 1878 is replaced by lysine, an amino acid with similar properties. This amino acid position is poorly 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. - |
Hereditary breast ovarian cancer syndrome Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Invitae | May 19, 2023 | - - |
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at