rs56016241
Variant summary
Our verdict is Benign. The variant received -10 ACMG points: 0P and 10B. BP4_ModerateBP6_Very_Strong
The NM_000059.4(BRCA2):c.1181A>C(p.Glu394Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000254 in 1,614,026 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. E394K) has been classified as Likely benign.
Frequency
Consequence
NM_000059.4 missense
Scores
Clinical Significance
Conservation
Publications
- breast-ovarian cancer, familial, susceptibility to, 2Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Ambry Genetics, Genomics England PanelApp, Labcorp Genetics (formerly Invitae), ClinGen
- Fanconi anemia complementation group D1Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics, ClinGen, G2P
- pancreatic cancer, susceptibility to, 2Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp
- sarcomaInheritance: AD Classification: MODERATE Submitted by: Genomics England PanelApp
- hereditary breast ovarian cancer syndromeInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
- Fanconi anemiaInheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
- medulloblastomaInheritance: AD Classification: LIMITED Submitted by: Ambry Genetics
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ACMG classification
Our verdict: Benign. The variant received -10 ACMG points.
Transcripts
RefSeq
Ensembl
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | TSL | MANE | Protein | Appris | UniProt | 
|---|---|---|---|---|---|---|---|---|---|---|
| BRCA2 | ENST00000380152.8 | c.1181A>C | p.Glu394Ala | missense_variant | Exon 10 of 27 | 5 | NM_000059.4 | ENSP00000369497.3 | ||
| BRCA2 | ENST00000530893.7 | c.812A>C | p.Glu271Ala | missense_variant | Exon 10 of 27 | 1 | ENSP00000499438.2 | |||
| BRCA2 | ENST00000614259.2 | n.1181A>C | non_coding_transcript_exon_variant | Exon 9 of 26 | 2 | ENSP00000506251.1 | 
Frequencies
GnomAD3 genomes  0.0000263  AC: 4AN: 152240Hom.:  0  Cov.: 32 show subpopulations 
GnomAD2 exomes  AF:  0.0000240  AC: 6AN: 250208 AF XY:  0.0000221   show subpopulations 
GnomAD4 exome  AF:  0.0000253  AC: 37AN: 1461786Hom.:  0  Cov.: 35 AF XY:  0.0000275  AC XY: 20AN XY: 727194 show subpopulations 
Age Distribution
GnomAD4 genome  0.0000263  AC: 4AN: 152240Hom.:  0  Cov.: 32 AF XY:  0.0000134  AC XY: 1AN XY: 74376 show subpopulations 
Age Distribution
ClinVar
Submissions by phenotype
Breast-ovarian cancer, familial, susceptibility to, 2    Uncertain:3Benign:2 
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This submission and the accompanying classification are no longer maintained by the submitter. For more information on current observations and classification, please contact variantquestions@myriad.com. -
IARC class based on posterior probability from multifactorial likelihood analysis, thresholds for class as per Plon et al. 2008 (PMID: 18951446). Class 1 based on posterior probability = 0.000915 -
not specified    Uncertain:2Benign:2 
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Variant summary: BRCA2 c.1181A>C (p.Glu394Ala) results in a non-conservative amino acid change in the encoded protein sequence. Four of five in-silico tools predict a benign effect of the variant on protein function. The variant allele was found at a frequency of 2.4e-05 in 250208 control chromosomes. The available data on variant occurrences in the general population are insufficient to allow any conclusion about variant significance. c.1181A>C has been reported in the literature in individuals affected with Hereditary Breast and Ovarian Cancer (Caux-Moncoutier_2011, Palomba_2009, Carney_2010, Miolo_2009, Apessos_2018, Lebo_2018). These reports however, do not provide unequivocal conclusions about association of the variant with Hereditary Breast and Ovarian Cancer. A co-occurrence with another pathogenic BRCA2 variant, c.8168A>G (p.Asp2723Gly) has been reported (NHGRI-BIC database), providing supporting evidence for a benign role. To our knowledge, no experimental evidence demonstrating an impact on protein function has been reported. The following publications have been ascertained in the context of this evaluation (PMID: 21120943, 19619314, 21218378, 19818148, 29310832, 28726806) ClinVar contains an entry for this variant (Variation ID: 51077). Based on the evidence outlined above, the variant was classified as VUS-possibly benign. -
Hereditary cancer-predisposing syndrome    Benign:3 
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This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -
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not provided    Benign:2 
This variant is associated with the following publications: (PMID: 19818148, 19619314, 21120943, 21218378, 29310832) -
BRCA2: BP4, BS1 -
Hereditary breast ovarian cancer syndrome    Benign:2 
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Breast and/or ovarian cancer    Benign:1 
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Computational scores
Source: 
Splicing
 Find out detailed SpliceAI scores and Pangolin per-transcript scores at