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Open data
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Basic information
Entry | Database: PDB / ID: 5mpa | ||||||||||||
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Title | 26S proteasome in presence of ATP (s2) | ||||||||||||
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Function / homology | ![]() proteasome regulatory particle assembly / nonfunctional rRNA decay / cytosolic proteasome complex / protein-containing complex localization / proteasome-activating activity / proteasome regulatory particle, base subcomplex / proteasome core complex assembly / nuclear outer membrane-endoplasmic reticulum membrane network / Cross-presentation of soluble exogenous antigens (endosomes) / TNFR2 non-canonical NF-kB pathway ...proteasome regulatory particle assembly / nonfunctional rRNA decay / cytosolic proteasome complex / protein-containing complex localization / proteasome-activating activity / proteasome regulatory particle, base subcomplex / proteasome core complex assembly / nuclear outer membrane-endoplasmic reticulum membrane network / Cross-presentation of soluble exogenous antigens (endosomes) / TNFR2 non-canonical NF-kB pathway / proteasomal ubiquitin-independent protein catabolic process / peptide catabolic process / : / proteasome storage granule / endopeptidase activator activity / ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Similarity search - Function | ||||||||||||
Biological species | ![]() ![]() ![]() | ||||||||||||
Method | ![]() ![]() ![]() | ||||||||||||
![]() | Wehmer, M. / Rudack, T. / Beck, F. / Aufderheide, A. / Pfeifer, G. / Plitzko, J.M. / Foerster, F. / Schulten, K. / Baumeister, W. / Sakata, E. | ||||||||||||
Funding support | ![]() ![]()
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![]() | ![]() Title: Structural insights into the functional cycle of the ATPase module of the 26S proteasome. Authors: Marc Wehmer / Till Rudack / Florian Beck / Antje Aufderheide / Günter Pfeifer / Jürgen M Plitzko / Friedrich Förster / Klaus Schulten / Wolfgang Baumeister / Eri Sakata / ![]() ![]() ![]() Abstract: In eukaryotic cells, the ubiquitin-proteasome system (UPS) is responsible for the regulated degradation of intracellular proteins. The 26S holocomplex comprises the core particle (CP), where ...In eukaryotic cells, the ubiquitin-proteasome system (UPS) is responsible for the regulated degradation of intracellular proteins. The 26S holocomplex comprises the core particle (CP), where proteolysis takes place, and one or two regulatory particles (RPs). The base of the RP is formed by a heterohexameric AAA ATPase module, which unfolds and translocates substrates into the CP. Applying single-particle cryo-electron microscopy (cryo-EM) and image classification to samples in the presence of different nucleotides and nucleotide analogs, we were able to observe four distinct conformational states (s1 to s4). The resolution of the four conformers allowed for the construction of atomic models of the AAA ATPase module as it progresses through the functional cycle. In a hitherto unobserved state (s4), the gate controlling access to the CP is open. The structures described in this study allow us to put forward a model for the 26S functional cycle driven by ATP hydrolysis. | ||||||||||||
History |
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Structure visualization
Movie |
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Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 1.4 MB | Display | ![]() |
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PDB format | ![]() | 1.1 MB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 3535MC ![]() 3534C ![]() 3536C ![]() 3537C ![]() 5mp9C ![]() 5mpbC ![]() 5mpcC ![]() 5mpdC ![]() 5mpeC M: map data used to model this data C: citing same article ( |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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Components
-Proteasome subunit alpha type- ... , 6 types, 12 molecules aAbBcCdDeEfF
#1: Protein | ![]() Mass: 28033.830 Da / Num. of mol.: 2 / Source method: isolated from a natural source Source: (natural) ![]() ![]() ![]() References: UniProt: P21243, ![]() #2: Protein | ![]() Mass: 27191.828 Da / Num. of mol.: 2 / Source method: isolated from a natural source Source: (natural) ![]() ![]() ![]() References: UniProt: P23639, ![]() #3: Protein | ![]() Mass: 28748.230 Da / Num. of mol.: 2 / Source method: isolated from a natural source Source: (natural) ![]() ![]() ![]() References: UniProt: P23638, ![]() #4: Protein | ![]() Mass: 28478.111 Da / Num. of mol.: 2 / Source method: isolated from a natural source Source: (natural) ![]() ![]() ![]() References: UniProt: P40303, ![]() #5: Protein | ![]() Mass: 28649.086 Da / Num. of mol.: 2 / Source method: isolated from a natural source Source: (natural) ![]() ![]() ![]() References: UniProt: P32379, ![]() #6: Protein | ![]() Mass: 25634.000 Da / Num. of mol.: 2 / Source method: isolated from a natural source Source: (natural) ![]() ![]() ![]() References: UniProt: P40302, ![]() |
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-Protein , 2 types, 3 molecules gGL
#7: Protein | Mass: 31575.068 Da / Num. of mol.: 2 / Source method: isolated from a natural source Source: (natural) ![]() ![]() ![]() References: UniProt: P21242, ![]() #18: Protein | | ![]() Mass: 49480.137 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() ![]() ![]() References: UniProt: P53549 |
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-Proteasome subunit beta type- ... , 7 types, 14 molecules h1i2j3k4l5m6n7
#8: Protein | ![]() Mass: 23573.604 Da / Num. of mol.: 2 / Source method: isolated from a natural source Source: (natural) ![]() ![]() ![]() References: UniProt: P38624, ![]() #9: Protein | ![]() Mass: 28299.889 Da / Num. of mol.: 2 / Source method: isolated from a natural source Source: (natural) ![]() ![]() ![]() References: UniProt: P25043, ![]() #10: Protein | ![]() Mass: 22627.842 Da / Num. of mol.: 2 / Source method: isolated from a natural source Source: (natural) ![]() ![]() ![]() References: UniProt: P25451, ![]() #11: Protein | ![]() Mass: 22545.676 Da / Num. of mol.: 2 / Source method: isolated from a natural source Source: (natural) ![]() ![]() ![]() References: UniProt: P22141, ![]() #12: Protein | ![]() Mass: 31670.539 Da / Num. of mol.: 2 / Source method: isolated from a natural source Source: (natural) ![]() ![]() ![]() References: UniProt: P30656, ![]() #13: Protein | ![]() Mass: 26905.076 Da / Num. of mol.: 2 / Source method: isolated from a natural source Source: (natural) ![]() ![]() ![]() References: UniProt: P23724, ![]() #14: Protein | ![]() Mass: 29471.289 Da / Num. of mol.: 2 / Source method: isolated from a natural source Source: (natural) ![]() ![]() ![]() References: UniProt: P30657, ![]() |
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-26S protease regulatory subunit ... , 5 types, 5 molecules HIKMJ
#15: Protein | Mass: 52054.891 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() ![]() ![]() References: UniProt: P33299 |
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#16: Protein | Mass: 48898.160 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() ![]() ![]() References: UniProt: P40327 |
#17: Protein | Mass: 47953.676 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() ![]() ![]() References: UniProt: P33298 |
#19: Protein | Mass: 48315.727 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() ![]() ![]() References: UniProt: P33297 |
#20: Protein | Mass: 45342.742 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() ![]() ![]() References: UniProt: Q01939 |
-Non-polymers , 3 types, 12 molecules ![](data/chem/img/MG.gif)
![](data/chem/img/ATP.gif)
![](data/chem/img/ADP.gif)
![](data/chem/img/ATP.gif)
![](data/chem/img/ADP.gif)
#21: Chemical | ChemComp-MG / #22: Chemical | ChemComp-ATP / ![]() #23: Chemical | ChemComp-ADP / | ![]() |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: ![]() |
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Sample preparation
Component | Name: 26S proteasome of Saccharomyces cerevisiae in presence of ATP (s2) Type: COMPLEX / Entity ID: #1-#20 / Source: NATURAL |
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Molecular weight | Value: 1.7 MDa / Experimental value: NO |
Source (natural) | Organism: ![]() ![]() ![]() |
Buffer solution | pH: 7.4 |
Specimen | Conc.: 1 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied![]() ![]() |
Specimen support | Grid material: COPPER / Grid mesh size: 400 divisions/in. |
Vitrification![]() | Instrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE-PROPANE / Humidity: 95 % / Chamber temperature: 277 K |
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Electron microscopy imaging
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: FEI TITAN KRIOS |
Electron gun | Electron source![]() ![]() |
Electron lens | Mode: BRIGHT FIELD![]() |
Specimen holder | Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER |
Image recording | Average exposure time: 10 sec. / Electron dose: 45 e/Å2 / Detector mode: SUPER-RESOLUTION / Film or detector model: GATAN K2 SUMMIT (4k x 4k) |
Image scans | Movie frames/image: 20 |
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Processing
EM software |
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CTF correction![]() | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||||||||||||||
Symmetry | Point symmetry![]() | ||||||||||||||||||||||||||||||||||||
3D reconstruction![]() | Resolution: 4.5 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 193337 / Symmetry type: POINT |