rs41286300

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 2P and 8B. PP3_ModerateBP6_Very_Strong

The NM_007294.4(BRCA1):​c.2596C>T​(p.Arg866Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000194 in 1,613,668 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic 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. R866H) has been classified as Benign.

Frequency

Genomes: 𝑓 0.00012 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00020 ( 0 hom. )

Consequence

BRCA1
NM_007294.4 missense

Scores

14
3
2

Clinical Significance

Benign reviewed by expert panel P:1B:27O:1

Conservation

PhyloP100: 3.42

Publications

29 publications found
Variant links:
Genes affected
BRCA1 (HGNC:1100): (BRCA1 DNA repair associated) This gene encodes a 190 kD nuclear phosphoprotein that plays a role in maintaining genomic stability, and it also acts as a tumor suppressor. The BRCA1 gene contains 22 exons spanning about 110 kb of DNA. The encoded protein combines with other tumor suppressors, DNA damage sensors, and signal transducers to form a large multi-subunit protein complex known as the BRCA1-associated genome surveillance complex (BASC). This gene product associates with RNA polymerase II, and through the C-terminal domain, also interacts with histone deacetylase complexes. This protein thus plays a role in transcription, DNA repair of double-stranded breaks, and recombination. Mutations in this gene are responsible for approximately 40% of inherited breast cancers and more than 80% of inherited breast and ovarian cancers. Alternative splicing plays a role in modulating the subcellular localization and physiological function of this gene. Many alternatively spliced transcript variants, some of which are disease-associated mutations, have been described for this gene, but the full-length natures of only some of these variants has been described. A related pseudogene, which is also located on chromosome 17, has been identified. [provided by RefSeq, May 2020]
BRCA1 Gene-Disease associations (from GenCC):
  • breast-ovarian cancer, familial, susceptibility to, 1
    Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Ambry Genetics, ClinGen, Labcorp Genetics (formerly Invitae), Genomics England PanelApp
  • Fanconi anemia, complementation group S
    Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE, LIMITED Submitted by: G2P, Labcorp Genetics (formerly Invitae), ClinGen, Ambry Genetics
  • pancreatic cancer, susceptibility to, 4
    Inheritance: AD Classification: MODERATE Submitted by: Genomics England PanelApp
  • hereditary breast ovarian cancer syndrome
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • Fanconi anemia
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -6 ACMG points.

PP3
MetaRNN computational evidence supports a deleterious effect, 0.933
BP6
Variant 17-43092935-G-A is Benign according to our data. Variant chr17-43092935-G-A is described in ClinVar as Benign. ClinVar VariationId is 41811.Status of the report is reviewed_by_expert_panel, 3 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
BRCA1NM_007294.4 linkc.2596C>T p.Arg866Cys missense_variant Exon 10 of 23 ENST00000357654.9 NP_009225.1 P38398-1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
BRCA1ENST00000357654.9 linkc.2596C>T p.Arg866Cys missense_variant Exon 10 of 23 1 NM_007294.4 ENSP00000350283.3 P38398-1

Frequencies

GnomAD3 genomes
AF:
0.000118
AC:
18
AN:
152144
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000724
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00316
Gnomad NFE
AF:
0.000191
Gnomad OTH
AF:
0.000478
GnomAD2 exomes
AF:
0.000147
AC:
37
AN:
251070
AF XY:
0.000169
show subpopulations
Gnomad AFR exome
AF:
0.000123
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.000496
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000466
Gnomad NFE exome
AF:
0.000238
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000202
AC:
295
AN:
1461406
Hom.:
0
Cov.:
43
AF XY:
0.000193
AC XY:
140
AN XY:
727014
show subpopulations
African (AFR)
AF:
0.0000299
AC:
1
AN:
33476
American (AMR)
AF:
0.00
AC:
0
AN:
44720
Ashkenazi Jewish (ASJ)
AF:
0.000306
AC:
8
AN:
26130
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39688
South Asian (SAS)
AF:
0.0000580
AC:
5
AN:
86248
European-Finnish (FIN)
AF:
0.0000377
AC:
2
AN:
53070
Middle Eastern (MID)
AF:
0.000347
AC:
2
AN:
5766
European-Non Finnish (NFE)
AF:
0.000244
AC:
271
AN:
1111926
Other (OTH)
AF:
0.0000994
AC:
6
AN:
60382
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.459
Heterozygous variant carriers
0
16
32
48
64
80
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
20
40
60
80
100
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.000118
AC:
18
AN:
152262
Hom.:
0
Cov.:
32
AF XY:
0.000121
AC XY:
9
AN XY:
74446
show subpopulations
African (AFR)
AF:
0.0000722
AC:
3
AN:
41556
American (AMR)
AF:
0.00
AC:
0
AN:
15280
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5190
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4822
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10608
Middle Eastern (MID)
AF:
0.00340
AC:
1
AN:
294
European-Non Finnish (NFE)
AF:
0.000191
AC:
13
AN:
68012
Other (OTH)
AF:
0.000473
AC:
1
AN:
2116
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.531
Heterozygous variant carriers
0
2
4
5
7
9
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.000166
Hom.:
0
Bravo
AF:
0.000159
TwinsUK
AF:
0.000270
AC:
1
ALSPAC
AF:
0.00
AC:
0
ExAC
AF:
0.0000988
AC:
12
EpiCase
AF:
0.000382
EpiControl
AF:
0.000237

ClinVar

Significance: Benign
Submissions summary: Pathogenic:1Benign:27Other:1
Revision: reviewed by expert panel
LINK: link

Submissions by phenotype

Breast-ovarian cancer, familial, susceptibility to, 1 Benign:8
Sep 26, 2014
Counsyl
Significance:Likely benign
Review Status:no assertion criteria provided
Collection Method:literature only

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. -

Oct 09, 2014
Genome Diagnostics Laboratory, University Medical Center Utrecht
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Aug 21, 2008
Sharing Clinical Reports Project (SCRP)
Significance:Benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

Jul 07, 2023
KCCC/NGS Laboratory, Kuwait Cancer Control Center
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Aug 10, 2015
Evidence-based Network for the Interpretation of Germline Mutant Alleles (ENIGMA)
Significance:Benign
Review Status:reviewed by expert panel
Collection Method:curation

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 = 0.0000000000000163 -

Sep 21, 2015
Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

May 29, 2002
Breast Cancer Information Core (BIC) (BRCA1)
Significance:Benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

May 01, 2018
Illumina Laboratory Services, Illumina
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). Publications were found based on this search. The evidence from the literature, in combination with allele frequency data from public databases where available, was sufficient to determine this variant is unlikely to cause disease. Therefore, this variant is classified as likely benign. -

not specified Benign:7Other:1
Mar 04, 2025
Center for Genomic Medicine, Rigshospitalet, Copenhagen University Hospital
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Jan 05, 2022
Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

proposed classification - variant undergoing re-assessment, contact laboratory -

Sep 19, 2013
ITMI
Significance:not provided
Review Status:no classification provided
Collection Method:reference population

- -

-
Joint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+
Significance:Benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

-
Department of Pathology and Laboratory Medicine, Sinai Health System
Significance:Benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

-
Laboratory of Diagnostic Genome Analysis, Leiden University Medical Center (LUMC)
Significance:Benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

Jan 31, 2014
Research Molecular Genetics Laboratory, Women's College Hospital, University of Toronto
Significance:Benign
Review Status:no assertion criteria provided
Collection Method:research

- -

Sep 04, 2014
Eurofins Ntd Llc (ga)
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

not provided Benign:5
Jul 14, 2017
PreventionGenetics, part of Exact Sciences
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Jun 16, 2020
ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Apr 25, 2017
Mayo Clinic Laboratories, Mayo Clinic
Significance:Benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

Jul 13, 2012
Biesecker Lab/Clinical Genomics Section, National Institutes of Health
Significance:Likely benign
Review Status:no assertion criteria provided
Collection Method:research

- -

-
Breakthrough Genomics, Breakthrough Genomics
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:not provided

- -

Hereditary cancer-predisposing syndrome Benign:3
May 27, 2021
Sema4, Sema4
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:curation

- -

Nov 18, 2014
Ambry Genetics
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This alteration is classified as 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. -

Apr 20, 2015
Color Diagnostics, LLC DBA Color Health
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Hereditary breast ovarian cancer syndrome Benign:2
Feb 14, 2024
Institute for Biomarker Research, Medical Diagnostic Laboratories, L.L.C.
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Feb 03, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Breast and/or ovarian cancer Pathogenic:1
-
Foulkes Cancer Genetics LDI, Lady Davis Institute for Medical Research
Significance:Likely pathogenic
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

Familial cancer of breast;C2676676:Breast-ovarian cancer, familial, susceptibility to, 1;C3280442:Pancreatic cancer, susceptibility to, 4;C4554406:Fanconi anemia, complementation group S Benign:1
Jan 24, 2022
Fulgent Genetics, Fulgent Genetics
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Familial cancer of breast Benign:1
Feb 23, 2017
Baylor Genetics
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.24
BayesDel_addAF
Pathogenic
0.23
D
BayesDel_noAF
Pathogenic
0.38
CADD
Pathogenic
28
DANN
Pathogenic
1.0
DEOGEN2
Uncertain
0.69
D;.;.;.
Eigen
Pathogenic
0.81
Eigen_PC
Pathogenic
0.72
FATHMM_MKL
Uncertain
0.94
D
LIST_S2
Pathogenic
0.98
D;D;D;D
M_CAP
Pathogenic
0.31
D
MetaRNN
Pathogenic
0.93
D;D;D;D
MetaSVM
Pathogenic
0.79
D
MutationAssessor
Pathogenic
3.4
M;M;.;.
PhyloP100
3.4
PrimateAI
Uncertain
0.51
T
PROVEAN
Pathogenic
-6.9
D;D;D;D
REVEL
Pathogenic
0.85
Sift
Pathogenic
0.0
D;D;D;D
Sift4G
Pathogenic
0.0
D;D;D;D
Polyphen
1.0
D;.;.;D
Vest4
0.80
MutPred
0.81
Loss of MoRF binding (P = 0.0077);Loss of MoRF binding (P = 0.0077);.;Loss of MoRF binding (P = 0.0077);
MVP
0.94
MPC
0.53
ClinPred
0.90
D
GERP RS
5.2
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.0
Varity_R
0.50
gMVP
0.48
Mutation Taster
=44/56
disease causing

Splicing

Name
Calibrated prediction
Score
Prediction
Splicevardb
1.0
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs41286300; hg19: chr17-41244952; COSMIC: COSV58798327; COSMIC: COSV58798327; API