BRCA2 Gene Summary [Human]

Inherited mutations in BRCA1 and this gene, BRCA2, confer increased lifetime risk of developing breast or ovarian cancer. Both BRCA1 and BRCA2 are involved in maintenance of genome stability, specifically the homologous recombination pathway for double-strand DNA repair. The largest exon in both genes is exon 11, which harbors the most important and frequent mutations in breast cancer patients. The BRCA2 gene was found on chromosome 13q12.3 in human. The BRCA2 protein contains several copies of a 70 aa motif called the BRC motif, and these motifs mediate binding to the RAD51 recombinase which functions in DNA repair. BRCA2 is considered a tumor suppressor gene, as tumors with BRCA2 mutations generally exhibit loss of heterozygosity (LOH) of the wild-type allele. [provided by RefSeq, May 2020]

Details

Type
Protein Coding
Official Symbol
BRCA2
Official Name
BRCA2 DNA repair associated [Source:HGNC Symbol;Acc:HGNC:1101]
Ensembl ID
ENSG00000139618
Bio databases IDs NCBI: 675 Ensembl: ENSG00000139618
Aliases BRCA2 DNA repair associated, BRCA1/BRCA2-containing complex, subunit 2
Synonyms AW045498, BRCA2 DNA repair associated, BRCA2, DNA repair associated, BRCA3, BRCC2, breast cancer 2, early onset, BROVCA2, FACD, FAD, FAD1, FANCD, FANCD1, GLM3, PNCA2, RAB163, XRCC11
Species
Human, Homo sapiens
OrthologiesMouseRat

Protein Domains

A protein domain is a distinct structural or functional region within a protein that can evolve, function, and exist independently of the rest of the protein chain. These domains in human BRCA2 often fold into stable, three-dimensional structures and are associated with specific biological functions, such as binding to DNA, other proteins, or small molecules.
  • activation domain
  • transcription regulator
  • histone acetyltransferase
  • protease binding
  • DNA binding domain
  • RAD51 binding domain
  • nuclear localization sequence
  • transcription activation domain
  • BRCA2, oligonucleotide/oligosaccharide-binding, domain 3
  • protein binding
  • identical protein binding
  • oligonucleotide/oligosaccharide-binding fold of replication protein A and class 2b aminoacyl-tRNA synthetases
  • BRC repeat
  • gamma-tubulin binding
  • BRCA2, oligonucleotide/oligosaccharide-binding, domain 1
  • Tower
  • BRCA2, helical
  • single-stranded DNA binding
  • BRCA2 repeat
  • Cdk1-CyclinB-phosphorylation site
  • delta-like domain

Pathways

Biological processes and signaling networks where the BRCA2 gene in human plays a role, providing insight into its function and relevance in health or disease.

Top Findings

The most significant associations for this gene, including commonly observed domains, pathway involvement, and functional highlights based on current data.
disease
  • epithelial cancer
  • epithelial neoplasia
  • cancer
  • neoplasia
  • medulloblastoma
  • mammary neoplasm
  • colon cancer
  • colorectal cancer
  • organismal death
  • hereditary cancer-predisposing syndrome
regulated by
  • PGR
  • beta-estradiol
  • tamoxifen
  • dexamethasone
  • hydrocortisone
  • IKBKB
  • cisplatin
  • CEBPB
  • doxorubicin
  • ANXA7
regulates
role in cell
  • proliferation
  • apoptosis
  • phosphorylation in
  • expression in
  • number
  • binding
  • survival
  • quantity
  • binding in
  • formation

Subcellular Expression

Locations within the cell where the protein is known or predicted to be active, providing insight into its function and cellular context.
  • Nucleus
  • nuclear fraction
  • detergent resistant lipid raft fraction
  • Cytoplasm
  • centrosome
  • Flemming body
  • cytosol
  • nuclear foci
  • chromosome
  • nucleoplasm
  • nuclear scaffolds
  • secretory granules
  • synaptonemal complexes
  • telomeres
  • chromatin

Gene Ontology Annotations

Describes the biological processes, cellular components, and molecular functions associated with the human BRCA2 gene, providing context for its role in the cell.

Biological Process

Functions and activities the gene product is involved in
  • response to X-ray
  • cellular senescence
  • DNA damage response, signal transduction by p53 class mediator resulting in induction of apoptosis
  • nucleotide-excision repair
  • female gonad development
  • double-strand break repair
  • DNA damage response, signal transduction by p53 class mediator resulting in transcription of p21 class mediator
  • chromatin remodeling
  • positive regulation of transcription, DNA-dependent
  • establishment of protein localization to telomere
  • cellular response to ionizing radiation
  • regulation of cytokinesis
  • response to gamma radiation
  • spermatogenesis
  • male meiosis I
  • double-strand break repair via homologous recombination
  • regulation of transcription, DNA-dependent
  • telomere maintenance via recombination
  • brain development
  • positive regulation of mitotic cell cycle
  • oocyte maturation
  • centrosome duplication
  • inner cell mass cell proliferation
  • hemopoietic stem cell proliferation
  • response to UV-C
  • regulation of DNA damage checkpoint
  • negative regulation of mammary gland epithelial cell proliferation

Cellular Component

Where in the cell the gene product is active
  • nucleus
  • chromosome, telomeric region
  • centrosome
  • nuclear ubiquitin ligase complex
  • BRCA2-MAGE-D1 complex
  • secretory granule
  • cytosol
  • lateral element
  • macromolecular complex
  • nucleoplasm

Molecular Function

What the gene product does at the molecular level
  • histone acetyltransferase activity
  • H3 histone acetyltransferase activity
  • identical protein binding
  • protein binding
  • gamma-tubulin binding
  • protease binding
  • H4 histone acetyltransferase activity
  • single-stranded DNA binding

Gene-Specific Assays for Results You Can Trust

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