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Yorodumi- EMDB-55041: BRCA1-A complex: Ubiquitin bound to BRE at the wrist site (focuse... -
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Open data
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Basic information
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| Title | BRCA1-A complex: Ubiquitin bound to BRE at the wrist site (focused 3D class) | |||||||||
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Keywords | Deubiquitinase / DNA repair / Metalloprotein / Ubiquitin chains / METAL BINDING PROTEIN | |||||||||
| Function / homology | Function and homology informationperoxisome signal sequence receptor activity / BRISC complex / BRCA1-A complex / attachment of spindle microtubules to kinetochore / ubiquitin-modified histone reader activity / nuclear ubiquitin ligase complex / mitotic G2/M transition checkpoint / regulation of DNA damage checkpoint / tumor necrosis factor receptor binding / protein K63-linked deubiquitination ...peroxisome signal sequence receptor activity / BRISC complex / BRCA1-A complex / attachment of spindle microtubules to kinetochore / ubiquitin-modified histone reader activity / nuclear ubiquitin ligase complex / mitotic G2/M transition checkpoint / regulation of DNA damage checkpoint / tumor necrosis factor receptor binding / protein K63-linked deubiquitination / K63-linked polyubiquitin modification-dependent protein binding / response to ionizing radiation / hematopoietic stem cell proliferation / mitotic G2 DNA damage checkpoint signaling / DNA repair-dependent chromatin remodeling / mitotic spindle assembly / polyubiquitin modification-dependent protein binding / regulation of DNA repair / Maturation of protein E / Maturation of protein E / ER Quality Control Compartment (ERQC) / Myoclonic epilepsy of Lafora / FLT3 signaling by CBL mutants / IRAK2 mediated activation of TAK1 complex / Alpha-protein kinase 1 signaling pathway / Glycogen synthesis / IRAK1 recruits IKK complex / IRAK1 recruits IKK complex upon TLR7/8 or 9 stimulation / Prevention of phagosomal-lysosomal fusion / Endosomal Sorting Complex Required For Transport (ESCRT) / Membrane binding and targetting of GAG proteins / Regulation of TBK1, IKKε (IKBKE)-mediated activation of IRF3, IRF7 / Negative regulation of FLT3 / PTK6 Regulates RTKs and Their Effectors AKT1 and DOK1 / Regulation of TBK1, IKKε-mediated activation of IRF3, IRF7 upon TLR3 ligation / IRAK2 mediated activation of TAK1 complex upon TLR7/8 or 9 stimulation / Constitutive Signaling by NOTCH1 HD Domain Mutants / NOTCH2 Activation and Transmission of Signal to the Nucleus / TICAM1,TRAF6-dependent induction of TAK1 complex / TICAM1-dependent activation of IRF3/IRF7 / APC/C:Cdc20 mediated degradation of Cyclin B / Downregulation of ERBB4 signaling / APC-Cdc20 mediated degradation of Nek2A / Regulation of FZD by ubiquitination / p75NTR recruits signalling complexes / InlA-mediated entry of Listeria monocytogenes into host cells / TRAF6 mediated IRF7 activation in TLR7/8 or 9 signaling / NF-kB is activated and signals survival / TRAF6-mediated induction of TAK1 complex within TLR4 complex / Regulation of pyruvate metabolism / Pexophagy / Downregulation of ERBB2:ERBB3 signaling / Regulation of innate immune responses to cytosolic DNA / NRIF signals cell death from the nucleus / Regulation of PTEN localization / positive regulation of DNA repair / VLDLR internalisation and degradation / Activated NOTCH1 Transmits Signal to the Nucleus / Synthesis of active ubiquitin: roles of E1 and E2 enzymes / Translesion synthesis by REV1 / TICAM1, RIP1-mediated IKK complex recruitment / Regulation of BACH1 activity / Translesion synthesis by POLK / JNK (c-Jun kinases) phosphorylation and activation mediated by activated human TAK1 / InlB-mediated entry of Listeria monocytogenes into host cell / cellular response to ionizing radiation / MAP3K8 (TPL2)-dependent MAPK1/3 activation / Activation of IRF3, IRF7 mediated by TBK1, IKKε (IKBKE) / Downregulation of TGF-beta receptor signaling / Translesion synthesis by POLI / Josephin domain DUBs / Gap-filling DNA repair synthesis and ligation in GG-NER / IKK complex recruitment mediated by RIP1 / PINK1-PRKN Mediated Mitophagy / TGF-beta receptor signaling in EMT (epithelial to mesenchymal transition) / TNFR1-induced NF-kappa-B signaling pathway / Regulation of activated PAK-2p34 by proteasome mediated degradation / TCF dependent signaling in response to WNT / Regulation of NF-kappa B signaling / activated TAK1 mediates p38 MAPK activation / Autodegradation of Cdh1 by Cdh1:APC/C / APC/C:Cdc20 mediated degradation of Securin / NOTCH3 Activation and Transmission of Signal to the Nucleus / N-glycan trimming in the ER and Calnexin/Calreticulin cycle / Regulation of signaling by CBL / Negative regulators of DDX58/IFIH1 signaling / Asymmetric localization of PCP proteins / Nonhomologous End-Joining (NHEJ) / Fanconi Anemia Pathway / Ubiquitin-dependent degradation of Cyclin D / Negative regulation of FGFR3 signaling / Peroxisomal protein import / Deactivation of the beta-catenin transactivating complex / SCF-beta-TrCP mediated degradation of Emi1 / NIK-->noncanonical NF-kB signaling / AUF1 (hnRNP D0) binds and destabilizes mRNA / TNFR2 non-canonical NF-kB pathway / Stabilization of p53 / Negative regulation of FGFR2 signaling / Negative regulation of FGFR4 signaling Similarity search - Function | |||||||||
| Biological species | Homo sapiens (human) | |||||||||
| Method | single particle reconstruction / cryo EM / Resolution: 3.3 Å | |||||||||
Authors | Murachelli AG / Sixma TK | |||||||||
| Funding support | Netherlands, 2 items
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Citation | Journal: Biorxiv / Year: 2026Title: A ubiquitin chain-feeding mechanism for BRCA1-A Authors: Murachelli AG / El Oualid F / Sixma TK | |||||||||
| History |
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Structure visualization
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Downloads & links
-EMDB archive
| Map data | emd_55041.map.gz | 108.7 MB | EMDB map data format | |
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| Header (meta data) | emd-55041-v30.xml emd-55041.xml | 30.4 KB 30.4 KB | Display Display | EMDB header |
| FSC (resolution estimation) | emd_55041_fsc.xml | 12.7 KB | Display | FSC data file |
| Images | emd_55041.png | 77.1 KB | ||
| Masks | emd_55041_msk_1.map | 216 MB | Mask map | |
| Filedesc metadata | emd-55041.cif.gz | 8.1 KB | ||
| Others | emd_55041_additional_1.map.gz emd_55041_half_map_1.map.gz emd_55041_half_map_2.map.gz | 178.5 MB 200.5 MB 200.5 MB | ||
| Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-55041 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-55041 | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 9smsMC ![]() 9smnC ![]() 9smpC ![]() 9snaC ![]() 9so9C M: atomic model generated by this map C: citing same article ( |
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| Similar structure data | Similarity search - Function & homology F&H Search |
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Links
| EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
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| Related items in Molecule of the Month |
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Map
| File | Download / File: emd_55041.map.gz / Format: CCP4 / Size: 216 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||
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| Voxel size | X=Y=Z: 1.092 Å | ||||||||||||||||||||
| Density |
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| Symmetry | Space group: 1 | ||||||||||||||||||||
| Details | EMDB XML:
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-Supplemental data
-Mask #1
| File | emd_55041_msk_1.map | ||||||||||||
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-Additional map: DeepEMhancer sharpened map
| File | emd_55041_additional_1.map | ||||||||||||
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| Annotation | DeepEMhancer sharpened map | ||||||||||||
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-Half map: #2
| File | emd_55041_half_map_1.map | ||||||||||||
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-Half map: #1
| File | emd_55041_half_map_2.map | ||||||||||||
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Sample components
-Entire : BRCA1-A complex bound to Lys-63 linked polyubiquitin chains
| Entire | Name: BRCA1-A complex bound to Lys-63 linked polyubiquitin chains |
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| Components |
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-Supramolecule #1: BRCA1-A complex bound to Lys-63 linked polyubiquitin chains
| Supramolecule | Name: BRCA1-A complex bound to Lys-63 linked polyubiquitin chains type: complex / ID: 1 / Parent: 0 / Macromolecule list: all |
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| Source (natural) | Organism: Homo sapiens (human) |
| Molecular weight | Theoretical: 369 KDa |
-Supramolecule #2: BRCA1-A complex
| Supramolecule | Name: BRCA1-A complex / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #1-#4 |
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| Source (natural) | Organism: Homo sapiens (human) |
-Supramolecule #3: Lys-63 Polyubiquitin chain analog
| Supramolecule | Name: Lys-63 Polyubiquitin chain analog / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #5 Details: Visible ubiquitin moieties deriving from two copies of an uncleavable synthetic analog of Lys-63 polyubiquitin chains; |
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| Source (natural) | Organism: Homo sapiens (human) |
-Macromolecule #1: BRCA1-A complex subunit Abraxas 1
| Macromolecule | Name: BRCA1-A complex subunit Abraxas 1 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO |
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| Source (natural) | Organism: Homo sapiens (human) |
| Molecular weight | Theoretical: 46.731754 KDa |
| Recombinant expression | Organism: ![]() |
| Sequence | String: MEGESTSAVL SGFVLGALAF QHLNTDSDTE GFLLGEVKGE AKNSITDSQM DDVEVVYTID IQKYIPCYQL FSFYNSSGEV NEQALKKIL SNVKKNVVGW YKFRRHSDQI MTFRERLLHK NLQEHFSNQD LVFLLLTPSI ITESCSTHRL EHSLYKPQKG L FHRVPLVV ...String: MEGESTSAVL SGFVLGALAF QHLNTDSDTE GFLLGEVKGE AKNSITDSQM DDVEVVYTID IQKYIPCYQL FSFYNSSGEV NEQALKKIL SNVKKNVVGW YKFRRHSDQI MTFRERLLHK NLQEHFSNQD LVFLLLTPSI ITESCSTHRL EHSLYKPQKG L FHRVPLVV ANLGMSEQLG YKTVSGSCMS TGFSRAVQTH SSKFFEEDGS LKEVHKINEM YASLQEELKS ICKKVEDSEQ AV DKLVKDV NRLKREIEKR RGAQIQAARE KNIQKDPQEN IFLCQALRTF FPNSEFLHSC VMSLKNRHVS KSSCNYNHHL DVV DNLTLM VEHTDIPEAS PASTPQIIKH KALDLDDRWQ FKRSRLLDTQ DKRSKADTGS SNQDKASKMS SPETDEEIEK MKGF GEYSR SPTF UniProtKB: BRCA1-A complex subunit Abraxas 1 |
-Macromolecule #2: BRISC and BRCA1-A complex member 2
| Macromolecule | Name: BRISC and BRCA1-A complex member 2 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO |
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| Source (natural) | Organism: Homo sapiens (human) |
| Molecular weight | Theoretical: 43.593473 KDa |
| Recombinant expression | Organism: ![]() |
| Sequence | String: MSPEVALNRI SPMLSPFISS VVRNGKVGLD ATNCLRITDL KSGCTSLTPG PNCDRFKLHI PYAGETLKWD IIFNAQYPEL PPDFIFGED AEFLPDPSAL QNLASWNPSN PECLLLVVKE LVQQYHQFQC SRLRESSRLM FEYQTLLEEP QYGENMEIYA G KKNNWTGE ...String: MSPEVALNRI SPMLSPFISS VVRNGKVGLD ATNCLRITDL KSGCTSLTPG PNCDRFKLHI PYAGETLKWD IIFNAQYPEL PPDFIFGED AEFLPDPSAL QNLASWNPSN PECLLLVVKE LVQQYHQFQC SRLRESSRLM FEYQTLLEEP QYGENMEIYA G KKNNWTGE FSARFLLKLP VDFSNIPTYL LKDVNEDPGE DVALLSVSFE DTEATQVYPK LYLSPRIEHA LGGSSALHIP AF PGGGCLI DYVPQVCHLL TNKVQYVIQG YHKRREYIAA FLSHFGTGVV EYDAEGFTKL TLLLMWKDFC FLVHIDLPLF FPR DQPTLT FQSVYHFTNS GQLYSQAQKN YPYSPRWDGN EMAKRAKAYF KTFVPQFQEA AFANGKL UniProtKB: BRISC and BRCA1-A complex member 2 |
-Macromolecule #3: BRISC and BRCA1-A complex member 1
| Macromolecule | Name: BRISC and BRCA1-A complex member 1 / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO |
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| Source (natural) | Organism: Homo sapiens (human) |
| Molecular weight | Theoretical: 38.796379 KDa |
| Recombinant expression | Organism: ![]() |
| Sequence | String: MAHHHHHHSA ALEVLFQGPG MEVAEPSSPT EEEEEEEEHS AEPRPRTRSN PEGAEDRAVG AQASVGSRSE GEGEAASADD GSLNTSGAG PKSWQVPPPA PEVQIRTPRV NCPEKVIICL DLSEEMSLPK LESFNGSKTN ALNVSQKMIE MFVRTKHKID K SHEFALVV ...String: MAHHHHHHSA ALEVLFQGPG MEVAEPSSPT EEEEEEEEHS AEPRPRTRSN PEGAEDRAVG AQASVGSRSE GEGEAASADD GSLNTSGAG PKSWQVPPPA PEVQIRTPRV NCPEKVIICL DLSEEMSLPK LESFNGSKTN ALNVSQKMIE MFVRTKHKID K SHEFALVV VNDDTAWLSG LTSDPRELCS CLYDLETASC STFNLEGLFS LIQQKTELPV TENVQTIPPP YVVRTILVYS RP PCQPQFS LTEPMKKMFQ CPYFFFDVVY IHNGTEEKEE EMSWKDMFAF MGSLDTKGTS YKYEVALAGP ALELHNCMAK LLA HPLQRP CQSHASYSLL EEEDEAIEVE ATV UniProtKB: BRISC and BRCA1-A complex member 1 |
-Macromolecule #4: BRCA1-A complex subunit RAP80
| Macromolecule | Name: BRCA1-A complex subunit RAP80 / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO |
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| Source (natural) | Organism: Homo sapiens (human) |
| Molecular weight | Theoretical: 19.15817 KDa |
| Recombinant expression | Organism: ![]() |
| Sequence | String: MASWSHPQFE KGALEVLFQG PGKGLQDTGG TVNYFWGIPF CPDGVDPNQY TKVILCQLEV YQKSLKMAQR QLLNKKGFGE PVLPRPPSL IQNECGQGEQ ASEKNECISE DMGDEDKEER QESRASDWHS KTKDFQESSI KSLKEKLLLE EEPTTSHGQS S QGIVEETS EEG UniProtKB: BRCA1-A complex subunit RAP80 |
-Macromolecule #5: Ubiquitin
| Macromolecule | Name: Ubiquitin / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO |
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| Source (natural) | Organism: Homo sapiens (human) |
| Molecular weight | Theoretical: 8.576831 KDa |
| Sequence | String: MQIFVKTLTG KTITLEVEPS DTIENVKAKI QDKEGIPPDQ QRLIFAGKQL EDGRTLSDYN IQKESTLHLV LRLRGG UniProtKB: Polyubiquitin-C |
-Experimental details
-Structure determination
| Method | cryo EM |
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Processing | single particle reconstruction |
| Aggregation state | particle |
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Sample preparation
| Concentration | 0.33 mg/mL | |||||||||||||||
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| Buffer | pH: 8 Component:
Details: 0.5% octyl-glucoside, 150 mM NaCl, 20 mM HEPES, pH 8.0 buffer was added as 10x to protein in 150 mM NaCl, 20 mM HEPES pH 8.0 prior to grid freezing. | |||||||||||||||
| Grid | Model: Quantifoil R2/2 / Material: COPPER / Mesh: 300 / Support film - Material: CARBON / Support film - topology: HOLEY ARRAY / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 30 sec. / Pretreatment - Atmosphere: AIR / Pretreatment - Pressure: 0.02 kPa / Details: 30 mA | |||||||||||||||
| Vitrification | Cryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV / Details: Blot time: 5 s Blot Force: 0. | |||||||||||||||
| Details | 3.3 mg/ml of BRCA1-A complex were mixed with 1 ul of probe chains (concentration > 10 uM - see paper), and incubated at 37C for 15 minutes; Octyl glucoside was added at 10X concentration prior to freezing. |
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Electron microscopy
| Microscope | TFS KRIOS |
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| Image recording | Film or detector model: GATAN K3 (6k x 4k) / Number grids imaged: 1 / Number real images: 11785 / Average exposure time: 2.28 sec. / Average electron dose: 50.0 e/Å2 Details: 8017 images collected without tilt, 5 shots / hole at rim of hole (no particles at center due to lensing); 3768 images tilted 30 degrees, collected from same grid, different session, same ...Details: 8017 images collected without tilt, 5 shots / hole at rim of hole (no particles at center due to lensing); 3768 images tilted 30 degrees, collected from same grid, different session, same imaging conditions, 4 shots / hole. Tilted and straight combined directly in data processing. |
| Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
| Electron optics | C2 aperture diameter: 50.0 µm / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 2.0 µm / Nominal defocus min: 1.25 µm / Nominal magnification: 105000 |
| Sample stage | Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN |
| Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Keywords
Homo sapiens (human)
Authors
Netherlands, 2 items
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Processing
FIELD EMISSION GUN


