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BRCC holoenzyme complex

Function: - has Ubc5-dependent ubiquitin E3 ligase activity ubiquitinates C terminus of p53 in vitro - association with p53 increases after DNA damage - enhances cellular survival following DNA damage - truncation of BRCA1 prevented direct association with brcc36 Structure: subunits: - BRCA1, BRCA2, BARD1, BRCC3, BRE, RAD51

General

molecular complex

Properties

SUBUNITS: BRCA1 protein COMPARTMENT: cell nucleus MOTIF: Zn finger C4-type SITE: 24-64 EFFECTOR-BOUND: Zn+2 phosphorylation site BRCA1 C-terminal (BRCT) motif BRCA2 protein MOTIF: PALB2 interaction {1-40} Ser phosphorylation site {S683} Ser phosphorylation site {S755} BRCA2 {1002-1036} BRCA2 {1212-1246} BRCA2 {1421-1455} BRCA2 {1517-1551} BRCA2 {1664-1698} BRCA2 {1837-1871} BRCA2 {1971-2005} BRCA2 {2051-2085} FANCD2 interaction {2350-2545} DNA repair protein Rad51 homolog COMPARTMENT: cell nucleus MOTIF: DNA-binding motif BRCC36-PROTEIN BARD1 protein COMPARTMENT: cytoplasm cell nucleus MOTIF: BRCA1 interaction {26-119} MOTIF: RING-finger {50-87} EFFECTOR-BOUND: Zn+2 FOR-BINDING-OF: DNA motif serine-rich region {400-403} MOTIF: serine residue (SEVERAL) ankyrin repeat NAME: ankyrin repeat SITE: 427-459 ankyrin repeat NAME: ankyrin repeat SITE: 460-492 ankyrin repeat NAME: ankyrin repeat SITE: 493-525 BRCA1 C-terminal (BRCT) motif SITE: 560-653 BRCA1 C-terminal (BRCT) motif SITE: 667-777 BRCA1-A complex subunit BRE COMPARTMENT: cytoplasm cell nucleus MOTIF: acetylation site SITE: N-TERMINUS EFFECTOR-BOUND: acetyl Ser phosphorylation site {S2} UEV-like 1 {30-147} UEV-like 2 {275-364} Lys-63-specific deubiquitinase BRCC36 COMPARTMENT: cell nucleus MOTIF: acetylation site SITE: N-TERMINUS EFFECTOR-BOUND: acetyl peptide motif {122-135} MOTIF: Zn+2-binding site SITE: 122-122 Zn+2-binding site SITE: 124-124 Zn+2-binding site SITE: 135-135

References

  1. Dong Y, Hakimi MA, Chen X, Kumaraswamy E, Cooch NS, Godwin AK, Shiekhattar R. Regulation of BRCC, a holoenzyme complex containing BRCA1 and BRCA2, by a signalosome-like subunit and its role in DNA repair. Mol Cell. 2003 Nov;12(5):1087-99. PMID: 14636569
  2. UniProt :accession Q9NXR7
  3. UniProt :accession P46736

Components

BRCA1-A complex subunit BRE; BRCA1/BRCA2-containing complex subunit 45; brain & reproductive organ-expressed protein (BRE, BRCC45) BRCA1-associated RING domain protein 1 (BARD1) breast cancer type 1 susceptibility protein (BRCA1) breast cancer type 2 susceptibility protein (Fanconi anemia group D1 protein, BRCA2, FACD, FANCD1) DNA repair protein Rad51 homolog Lys-63-specific deubiquitinase BRCC36; BRCA1-A complex subunit BRCC36; BRISC complex subunit BRCC36; BRCA1/BRCA2-containing complex subunit 3; BRCA1/BRCA2-containing complex subunit 36 (BRCC3, BRCC36, C61A, CXorf53)