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Open data
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Basic information
Entry | Database: PDB / ID: 5gjq | |||||||||||||||||||||||||||||||||
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Title | Structure of the human 26S proteasome bound to USP14-UbAl | |||||||||||||||||||||||||||||||||
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![]() | HYDROLASE / protein complex / human proteasome | |||||||||||||||||||||||||||||||||
Function / homology | ![]() negative regulation of ERAD pathway / thyrotropin-releasing hormone receptor binding / nuclear proteasome complex / host-mediated perturbation of viral transcription / Impaired BRCA2 translocation to the nucleus / Impaired BRCA2 binding to SEM1 (DSS1) / positive regulation of inclusion body assembly / regulation of chemotaxis / protein K48-linked deubiquitination / deubiquitinase activity ...negative regulation of ERAD pathway / thyrotropin-releasing hormone receptor binding / nuclear proteasome complex / host-mediated perturbation of viral transcription / Impaired BRCA2 translocation to the nucleus / Impaired BRCA2 binding to SEM1 (DSS1) / positive regulation of inclusion body assembly / regulation of chemotaxis / protein K48-linked deubiquitination / deubiquitinase activity / Hydrolases; Acting on peptide bonds (peptidases); Omega peptidases / proteasome accessory complex / integrator complex / purine ribonucleoside triphosphate binding / meiosis I / proteasome regulatory particle / cytosolic proteasome complex / positive regulation of proteasomal protein catabolic process / proteasome-activating activity / proteasome regulatory particle, lid subcomplex / proteasome regulatory particle, base subcomplex / metal-dependent deubiquitinase activity / negative regulation of programmed cell death / protein K63-linked deubiquitination / symbiont entry into host cell via disruption of host cell glycocalyx / Regulation of ornithine decarboxylase (ODC) / Proteasome assembly / Cross-presentation of soluble exogenous antigens (endosomes) / Homologous DNA Pairing and Strand Exchange / Defective homologous recombination repair (HRR) due to BRCA1 loss of function / Defective HDR through Homologous Recombination Repair (HRR) due to PALB2 loss of BRCA1 binding function / Defective HDR through Homologous Recombination Repair (HRR) due to PALB2 loss of BRCA2/RAD51/RAD51C binding function / Resolution of D-loop Structures through Synthesis-Dependent Strand Annealing (SDSA) / proteasome core complex / Resolution of D-loop Structures through Holliday Junction Intermediates / Somitogenesis / endopeptidase inhibitor activity / K63-linked deubiquitinase activity / symbiont entry into host cell via disruption of host cell envelope / Impaired BRCA2 binding to RAD51 / virus tail / proteasome binding / transcription factor binding / regulation of protein catabolic process / myofibril / proteasome storage granule / Presynaptic phase of homologous DNA pairing and strand exchange / general transcription initiation factor binding / blastocyst development / polyubiquitin modification-dependent protein binding / negative regulation of ubiquitin-dependent protein catabolic process / protein deubiquitination / positive regulation of RNA polymerase II transcription preinitiation complex assembly / regulation of proteasomal protein catabolic process / NF-kappaB binding / proteasome endopeptidase complex / endopeptidase activator activity / proteasome core complex, beta-subunit complex / proteasome assembly / threonine-type endopeptidase activity / proteasome core complex, alpha-subunit complex / mRNA export from nucleus / presynaptic cytosol / SARS-CoV-1 targets host intracellular signalling and regulatory pathways / enzyme regulator activity / immune system process / inclusion body / ERAD pathway / Regulation of activated PAK-2p34 by proteasome mediated degradation / Autodegradation of Cdh1 by Cdh1:APC/C / N-glycan trimming in the ER and Calnexin/Calreticulin cycle / APC/C:Cdc20 mediated degradation of Securin / Regulation of NF-kappa B signaling / Asymmetric localization of PCP proteins / Ubiquitin-dependent degradation of Cyclin D / proteasome complex / NIK-->noncanonical NF-kB signaling / SCF-beta-TrCP mediated degradation of Emi1 / proteolysis involved in protein catabolic process / TNFR2 non-canonical NF-kB pathway / AUF1 (hnRNP D0) binds and destabilizes mRNA / TBP-class protein binding / Vpu mediated degradation of CD4 / Assembly of the pre-replicative complex / Ubiquitin-Mediated Degradation of Phosphorylated Cdc25A / Degradation of DVL / sarcomere / Cdc20:Phospho-APC/C mediated degradation of Cyclin A / Dectin-1 mediated noncanonical NF-kB signaling / Degradation of AXIN / Hh mutants are degraded by ERAD / Activation of NF-kappaB in B cells / Degradation of GLI1 by the proteasome / Hedgehog ligand biogenesis / G2/M Checkpoints / Defective CFTR causes cystic fibrosis / GSK3B and BTRC:CUL1-mediated-degradation of NFE2L2 / Autodegradation of the E3 ubiquitin ligase COP1 / Negative regulation of NOTCH4 signaling / Vif-mediated degradation of APOBEC3G Similarity search - Function | |||||||||||||||||||||||||||||||||
Biological species | ![]() | |||||||||||||||||||||||||||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 4.35 Å | |||||||||||||||||||||||||||||||||
![]() | Huang, X.L. / Luan, B. / Wu, J.P. / Shi, Y.G. | |||||||||||||||||||||||||||||||||
Funding support | ![]()
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![]() | ![]() Title: An atomic structure of the human 26S proteasome. Authors: Xiuliang Huang / Bai Luan / Jianping Wu / Yigong Shi / ![]() Abstract: We report the cryo-EM structure of the human 26S proteasome at an average resolution of 3.5 Å, allowing atomic modeling of 28 subunits in the core particle (CP) and 18 subunits in the regulatory ...We report the cryo-EM structure of the human 26S proteasome at an average resolution of 3.5 Å, allowing atomic modeling of 28 subunits in the core particle (CP) and 18 subunits in the regulatory particle (RP). The C-terminal residues of Rpt3 and Rpt5 subunits in the RP can be seen inserted into surface pockets formed between adjacent α subunits in the CP. Each of the six Rpt subunits contains a bound nucleotide, and the central gate of the CP α-ring is closed despite RP association. The six pore 1 loops in the Rpt ring are arranged similarly to a spiral staircase along the axial channel of substrate transport, which is constricted by the pore 2 loops. We also determined the cryo-EM structure of the human proteasome bound to the deubiquitinating enzyme USP14 at 4.35-Å resolution. Together, our structures provide a framework for mechanistic understanding of eukaryotic proteasome function. | |||||||||||||||||||||||||||||||||
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 | ![]() | 2.5 MB | Display | ![]() |
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PDB format | ![]() | 2 MB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.6 MB | Display | ![]() |
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Full document | ![]() | 1.8 MB | Display | |
Data in XML | ![]() | 298.5 KB | Display | |
Data in CIF | ![]() | 491.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 9511MC ![]() 9507C ![]() 9508C ![]() 9509C ![]() 9510C ![]() 9512C ![]() 5gjrC 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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1 |
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Components
-Proteasome subunit beta type- ... , 7 types, 14 molecules aobpcqdresftgu
#1: Protein | Mass: 25377.652 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() References: UniProt: P28072, proteasome endopeptidase complex #3: Protein | Mass: 30000.418 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() References: UniProt: Q99436, proteasome endopeptidase complex #5: Protein | Mass: 22972.896 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() References: UniProt: P49720, proteasome endopeptidase complex #7: Protein | Mass: 22864.277 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() References: UniProt: P49721, proteasome endopeptidase complex #9: Protein | Mass: 28510.248 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() References: UniProt: P28074, proteasome endopeptidase complex #11: Protein | Mass: 26522.396 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() References: UniProt: P20618, proteasome endopeptidase complex #13: Protein | Mass: 29231.178 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() References: UniProt: P28070, proteasome endopeptidase complex |
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-Proteasome subunit alpha type- ... , 7 types, 14 molecules BhCiDjEkFlGmnX
#2: Protein | Mass: 27432.459 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() References: UniProt: P60900, proteasome endopeptidase complex #4: Protein | Mass: 25927.535 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() References: UniProt: P25787, proteasome endopeptidase complex #6: Protein | Mass: 29525.842 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() References: UniProt: P25789, proteasome endopeptidase complex #8: Protein | Mass: 27929.891 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() References: UniProt: O14818, proteasome endopeptidase complex #10: Protein | Mass: 26435.977 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() References: UniProt: P28066, proteasome endopeptidase complex #12: Protein | Mass: 29595.627 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() References: UniProt: P25786, proteasome endopeptidase complex #21: Protein | Mass: 28469.252 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() References: UniProt: P25788, proteasome endopeptidase complex |
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-26S protease regulatory subunit ... , 6 types, 6 molecules HIJKLM
#14: Protein | Mass: 48700.805 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
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#15: Protein | Mass: 49260.504 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#16: Protein | Mass: 45694.047 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#17: Protein | Mass: 47426.141 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#18: Protein | Mass: 44241.008 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#19: Protein | Mass: 49266.457 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
-26S proteasome non-ATPase regulatory subunit ... , 11 types, 11 molecules NOPQRSTUVWZ
#20: Protein | Mass: 105958.234 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
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#22: Protein | Mass: 42995.359 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#23: Protein | Mass: 52979.359 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#24: Protein | Mass: 47526.688 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#25: Protein | Mass: 45592.285 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#26: Protein | Mass: 61066.500 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#27: Protein | Mass: 39667.871 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#28: Protein | Mass: 37086.441 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#29: Protein | Mass: 34620.023 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() References: UniProt: O00487, Hydrolases; Acting on peptide bonds (peptidases); Omega peptidases |
#30: Protein | Mass: 40781.590 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
#32: Protein | Mass: 100313.625 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
-Protein , 3 types, 3 molecules Yxy
#31: Protein | Mass: 8284.611 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
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#33: Protein | Mass: 56133.926 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
#34: Protein | Mass: 8560.831 Da / Num. of mol.: 1 / Fragment: UNP RESIDUES 1-76 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Details (production host): this source was bought from Boston Biochem Production host: ![]() ![]() |
-Non-polymers , 1 types, 6 molecules 
#35: Chemical | ChemComp-ADP / |
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-Details
Has protein modification | Y |
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-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
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Sample preparation
Component | Name: human 26S proteasome bound to USP14-UbAl / Type: COMPLEX Details: cryo-EM map of human 26S proteasome bound to USP14-UbAl by single particle reconstruction Entity ID: #1-#34 / Source: NATURAL | ||||||||||||||||||||
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Molecular weight | Value: 2.5 MDa / Experimental value: NO | ||||||||||||||||||||
Source (natural) | Organism: ![]() | ||||||||||||||||||||
Buffer solution | pH: 8 | ||||||||||||||||||||
Buffer component |
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Specimen | Conc.: 1 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES / Details: This sample was monodisperse. | ||||||||||||||||||||
Specimen support | Grid material: COPPER | ||||||||||||||||||||
Vitrification | Instrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 281 K / Details: blot for 2 seconds before plunging |
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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 / Details: Preliminary grid screening was performed manually |
Electron gun | Electron source: ![]() |
Electron lens | Mode: BRIGHT FIELD / Cs: 2.7 mm / Alignment procedure: COMA FREE |
Specimen holder | Cryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Temperature (min): 70 K |
Image recording | Average exposure time: 1.6 sec. / Electron dose: 37 e/Å2 / Film or detector model: FEI FALCON II (4k x 4k) |
Image scans | Width: 4096 / Height: 4096 / Movie frames/image: 26 / Used frames/image: 1-26 |
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Processing
Software | Name: REFMAC / Version: 5.8.0069 / Classification: refinement | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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EM software |
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Particle selection | Num. of particles selected: 534096 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
3D reconstruction | Resolution: 4.35 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 141293 / Num. of class averages: 1 / Symmetry type: POINT | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | Resolution: 4.35→4.35 Å / Cor.coef. Fo:Fc: 0.9 / SU B: 45.871 / SU ML: 0.604 Stereochemistry target values: MAXIMUM LIKELIHOOD WITH PHASES Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 200.756 Å2
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Refinement step | Cycle: 1 / Total: 99374 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints |
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