rs794727014
Variant summary
Our verdict is Pathogenic. Variant got 18 ACMG points: 18P and 0B. PVS1PM2PP5_Very_Strong
The NM_000059.4(BRCA2):c.5723_5727del(p.Leu1908GlnfsTer2) variant causes a frameshift change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,566 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Pathogenic (★★★). Synonymous variant affecting the same amino acid position (i.e. L1908L) has been classified as Likely benign. Variant results in nonsense mediated mRNA decay.
Frequency
Consequence
NM_000059.4 frameshift
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Pathogenic. Variant got 18 ACMG points.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
BRCA2 | NM_000059.4 | c.5723_5727del | p.Leu1908GlnfsTer2 | frameshift_variant | 11/27 | ENST00000380152.8 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
BRCA2 | ENST00000380152.8 | c.5723_5727del | p.Leu1908GlnfsTer2 | frameshift_variant | 11/27 | 5 | NM_000059.4 | A2 |
Frequencies
GnomAD3 genomes ? Cov.: 32
GnomAD4 exome AF: 6.84e-7 AC: 1AN: 1461566Hom.: 0 AF XY: 0.00000138 AC XY: 1AN XY: 727086
GnomAD4 genome ? Cov.: 32
ClinVar
Submissions by phenotype
Breast-ovarian cancer, familial, susceptibility to, 2 Pathogenic:1
Pathogenic, reviewed by expert panel | curation | Evidence-based Network for the Interpretation of Germline Mutant Alleles (ENIGMA) | Sep 08, 2016 | Variant allele predicted to encode a truncated non-functional protein. - |
not provided Pathogenic:1
Pathogenic, criteria provided, single submitter | clinical testing | Eurofins Ntd Llc (ga) | Jan 23, 2015 | - - |
Hereditary cancer-predisposing syndrome Pathogenic:1
Pathogenic, criteria provided, single submitter | clinical testing | Ambry Genetics | Apr 06, 2022 | The c.5723_5727delTAGAT pathogenic mutation, located in coding exon 10 of the BRCA2 gene, results from a deletion of 5 nucleotides at nucleotide positions 5723 to 5727, causing a translational frameshift with a predicted alternate stop codon (p.L1908Qfs*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. - |
Hereditary breast ovarian cancer syndrome Pathogenic:1
Pathogenic, criteria provided, single submitter | clinical testing | Invitae | Oct 30, 2017 | This variant has not been reported in the literature in individuals with BRCA2-related disease. ClinVar contains an entry for this variant (Variation ID: 193789). For these reasons, this variant has been classified as Pathogenic. Loss-of-function variants in BRCA2 are known to be pathogenic (PMID: 20104584). This variant is not present in population databases (ExAC no frequency). This sequence change creates a premature translational stop signal (p.Leu1908Glnfs*2) in the BRCA2 gene. It is expected to result in an absent or disrupted protein product. - |
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at