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- PDB-5jg6: APC11-Ubv shows role of noncovalent RING-Ubiquitin interactions i... -
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Basic information
Entry | Database: PDB / ID: 5jg6 | |||||||||||||||||||||||||||
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Title | APC11-Ubv shows role of noncovalent RING-Ubiquitin interactions in processive multiubiquitination and Ubiquitin chain elongation by APC/C | |||||||||||||||||||||||||||
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![]() | CELL CYCLE / RING Ubiquitin Cell Cycle Anaphase-promoting complex-Cyclosome | |||||||||||||||||||||||||||
Function / homology | ![]() Conversion from APC/C:Cdc20 to APC/C:Cdh1 in late anaphase / Inactivation of APC/C via direct inhibition of the APC/C complex / APC/C:Cdc20 mediated degradation of mitotic proteins / anaphase-promoting complex / Aberrant regulation of mitotic exit in cancer due to RB1 defects / protein branched polyubiquitination / regulation of meiotic cell cycle / anaphase-promoting complex-dependent catabolic process / Phosphorylation of the APC/C / positive regulation of mitotic metaphase/anaphase transition ...Conversion from APC/C:Cdc20 to APC/C:Cdh1 in late anaphase / Inactivation of APC/C via direct inhibition of the APC/C complex / APC/C:Cdc20 mediated degradation of mitotic proteins / anaphase-promoting complex / Aberrant regulation of mitotic exit in cancer due to RB1 defects / protein branched polyubiquitination / regulation of meiotic cell cycle / anaphase-promoting complex-dependent catabolic process / Phosphorylation of the APC/C / positive regulation of mitotic metaphase/anaphase transition / protein K11-linked ubiquitination / symbiont entry into host cell via disruption of host cell glycocalyx / ubiquitin-ubiquitin ligase activity / symbiont entry into host cell via disruption of host cell envelope / virus tail / Regulation of APC/C activators between G1/S and early anaphase / cullin family protein binding / Transcriptional Regulation by VENTX / APC/C:Cdc20 mediated degradation of Cyclin B / protein K48-linked ubiquitination / APC-Cdc20 mediated degradation of Nek2A / Autodegradation of Cdh1 by Cdh1:APC/C / APC/C:Cdc20 mediated degradation of Securin / regulation of mitotic cell cycle / Assembly of the pre-replicative complex / Cdc20:Phospho-APC/C mediated degradation of Cyclin A / APC/C:Cdh1 mediated degradation of Cdc20 and other APC/C:Cdh1 targeted proteins in late mitosis/early G1 / CDK-mediated phosphorylation and removal of Cdc6 / G protein-coupled receptor binding / Separation of Sister Chromatids / Antigen processing: Ubiquitination & Proteasome degradation / ubiquitin protein ligase activity / mitotic cell cycle / Senescence-Associated Secretory Phenotype (SASP) / ubiquitin-dependent protein catabolic process / protein ubiquitination / cell division / nucleolus / zinc ion binding / nucleoplasm / nucleus / cytosol Similarity search - Function | |||||||||||||||||||||||||||
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![]() | Brown, N.G. / Zhang, W. / Yu, S. / Miller, D.J. / Sidhu, S.S. / Schulman, B.A. | |||||||||||||||||||||||||||
Funding support | ![]() ![]()
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![]() | ![]() Title: Dual RING E3 Architectures Regulate Multiubiquitination and Ubiquitin Chain Elongation by APC/C. Authors: Nicholas G Brown / Ryan VanderLinden / Edmond R Watson / Florian Weissmann / Alban Ordureau / Kuen-Phon Wu / Wei Zhang / Shanshan Yu / Peter Y Mercredi / Joseph S Harrison / Iain F Davidson ...Authors: Nicholas G Brown / Ryan VanderLinden / Edmond R Watson / Florian Weissmann / Alban Ordureau / Kuen-Phon Wu / Wei Zhang / Shanshan Yu / Peter Y Mercredi / Joseph S Harrison / Iain F Davidson / Renping Qiao / Ying Lu / Prakash Dube / Michael R Brunner / Christy R R Grace / Darcie J Miller / David Haselbach / Marc A Jarvis / Masaya Yamaguchi / David Yanishevski / Georg Petzold / Sachdev S Sidhu / Brian Kuhlman / Marc W Kirschner / J Wade Harper / Jan-Michael Peters / Holger Stark / Brenda A Schulman / ![]() ![]() ![]() ![]() Abstract: Protein ubiquitination involves E1, E2, and E3 trienzyme cascades. E2 and RING E3 enzymes often collaborate to first prime a substrate with a single ubiquitin (UB) and then achieve different forms of ...Protein ubiquitination involves E1, E2, and E3 trienzyme cascades. E2 and RING E3 enzymes often collaborate to first prime a substrate with a single ubiquitin (UB) and then achieve different forms of polyubiquitination: multiubiquitination of several sites and elongation of linkage-specific UB chains. Here, cryo-EM and biochemistry show that the human E3 anaphase-promoting complex/cyclosome (APC/C) and its two partner E2s, UBE2C (aka UBCH10) and UBE2S, adopt specialized catalytic architectures for these two distinct forms of polyubiquitination. The APC/C RING constrains UBE2C proximal to a substrate and simultaneously binds a substrate-linked UB to drive processive multiubiquitination. Alternatively, during UB chain elongation, the RING does not bind UBE2S but rather lures an evolving substrate-linked UB to UBE2S positioned through a cullin interaction to generate a Lys11-linked chain. Our findings define mechanisms of APC/C regulation, and establish principles by which specialized E3-E2-substrate-UB architectures control different forms of polyubiquitination. | |||||||||||||||||||||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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PDBx/mmCIF format | ![]() | 128.7 KB | Display | ![]() |
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PDB format | ![]() | 97.9 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
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-Validation report
Summary document | ![]() | 399.7 KB | Display | ![]() |
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Full document | ![]() | 400 KB | Display | |
Data in XML | ![]() | 7 KB | Display | |
Data in CIF | ![]() | 10.5 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 3432C ![]() 3433C ![]() 5l9tC ![]() 5l9uC ![]() 1ubqS ![]() 4r2yS S: Starting model for refinement C: citing same article ( |
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Similar structure data |
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Assembly
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Unit cell |
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Components
#1: Protein | Mass: 8050.358 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #2: Protein | Mass: 9255.781 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #3: Chemical | ChemComp-ZN / #4: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.09 Å3/Da / Density % sol: 41.17 % |
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Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop Details: 0.2 M Ammonium acetate, 0.1 M Sodium acetate pH 4.6, 33% PEG4000 |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: ADSC QUANTUM 315 / Detector: CCD / Date: Oct 19, 2014 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.97918 Å / Relative weight: 1 |
Reflection | Resolution: 2→36.326 Å / Num. obs: 19650 / % possible obs: 99.7 % / Redundancy: 3.3 % / Net I/σ(I): 10.2 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 4R2Y and 1UBQ Resolution: 2.0013→36.326 Å / SU ML: 0.22 / Cross valid method: FREE R-VALUE / σ(F): 1.35 / Phase error: 21.71
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.0013→36.326 Å
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Refine LS restraints |
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LS refinement shell |
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Refinement TLS params. | Method: refined / Origin x: -15.0588 Å / Origin y: -0.9797 Å / Origin z: -3.0986 Å
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Refinement TLS group | Selection details: all |