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BRE Component of the BRCA1-A complex, a complex that specifically recognizes 'Lys-63'-linked ubiquitinated histones H2A and H2AX at DNA lesions sites, leading to target the BRCA1-BARD1 heterodimer to sites of DNA damage at double-strand breaks (DSBs). The BRCA1-A complex also possesses deubiquitinase activity that specifically removes 'Lys-63'-linked ubiquitin on histones H2A and H2AX. In the BRCA1-A complex, it acts as an adapter that bridges the interaction between BABAM1/NBA1 and the rest of the complex, thereby being required for the complex integrity and modulating the E3 ubiquitin ligase activity of the BRCA1-BARD1 heterodimer. Probably also plays a role as a component of the BRISC complex, a multiprotein complex that specifically cleaves 'Lys-63'-linked ubiquitin. May play a role in homeostasis or cellular differentiation in cells of neural, epithelial and germline origins. May also act as a death receptor-associated anti- apoptotic protein, which inhibits the mitochondrial apoptotic pathway. May regulate TNF-alpha signaling through its interactions with TNFRSF1A; however these effects may be indirect. Belongs to the BRE family. 4 isoforms of the human protein are produced by alternative splicing. Note: This description may include information from UniProtKB.
Protein type: Apoptosis; Cytokine; DNA repair, damage; Ubiquitin conjugating system
Chromosomal Location of Human Ortholog: 2p23.2
Cellular Component: cytoplasm; cytosol; nuclear ubiquitin ligase complex; nucleoplasm; nucleus
Molecular Function: peroxisome targeting sequence binding; polyubiquitin binding; protein binding; tumor necrosis factor receptor binding
Biological Process: double-strand break repair; double-strand break repair via nonhomologous end joining; G2/M transition DNA damage checkpoint; negative regulation of apoptosis; positive regulation of DNA repair; protein deubiquitination; response to DNA damage stimulus; response to ionizing radiation; signal transduction
Reference #:  Q9NXR7 (UniProtKB)
Alt. Names/Synonyms: brain and reproductive organ-expressed (TNFRSF1A modulator); Brain and reproductive organ-expressed protein; BRCA1-A complex subunit BRE; BRCA1/BRCA2-containing complex subunit 45; BRCA1/BRCA2-containing complex, subunit 4; BRCC4; BRCC45; BRE
Gene Symbols: BRE
Molecular weight: 43,552 Da
Basal Isoelectric point: 5.53  Predict pI for various phosphorylation states
Protein-Specific Antibodies or siRNAs from Cell Signaling Technology® Total Proteins
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Protein Structure Not Found.

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