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- PDB-7ln5: Cryo-EM structure of human p97 in complex with Npl4/Ufd1 and poly... -
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Basic information
Entry | Database: PDB / ID: 7ln5 | ||||||
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Title | Cryo-EM structure of human p97 in complex with Npl4/Ufd1 and polyubiquitinated Ub-Eos (CHAPSO, Class 1, Close State) | ||||||
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![]() | TRANSLOCASE / p97 / NMS-873 / single-particle cryo-EM / translocation / allosteric inhibition | ||||||
Function / homology | ![]() : / flavin adenine dinucleotide catabolic process / VCP-NSFL1C complex / endosome to lysosome transport via multivesicular body sorting pathway / endoplasmic reticulum stress-induced pre-emptive quality control / BAT3 complex binding / cellular response to arsenite ion / protein-DNA covalent cross-linking repair / cytoplasm protein quality control / Derlin-1 retrotranslocation complex ...: / flavin adenine dinucleotide catabolic process / VCP-NSFL1C complex / endosome to lysosome transport via multivesicular body sorting pathway / endoplasmic reticulum stress-induced pre-emptive quality control / BAT3 complex binding / cellular response to arsenite ion / protein-DNA covalent cross-linking repair / cytoplasm protein quality control / Derlin-1 retrotranslocation complex / positive regulation of protein K63-linked deubiquitination / positive regulation of oxidative phosphorylation / : / aggresome assembly / deubiquitinase activator activity / regulation of protein localization to chromatin / ubiquitin-modified protein reader activity / mitotic spindle disassembly / VCP-NPL4-UFD1 AAA ATPase complex / cellular response to misfolded protein / negative regulation of protein localization to chromatin / vesicle-fusing ATPase / positive regulation of mitochondrial membrane potential / K48-linked polyubiquitin modification-dependent protein binding / regulation of aerobic respiration / retrograde protein transport, ER to cytosol / stress granule disassembly / regulation of synapse organization / ATPase complex / ubiquitin-specific protease binding / MHC class I protein binding / positive regulation of ATP biosynthetic process / ubiquitin-like protein ligase binding / RHOH GTPase cycle / polyubiquitin modification-dependent protein binding / autophagosome maturation / endoplasmic reticulum to Golgi vesicle-mediated transport / negative regulation of hippo signaling / HSF1 activation / translesion synthesis / interstrand cross-link repair / proteasomal protein catabolic process / Protein methylation / ATP metabolic process / endoplasmic reticulum unfolded protein response / Attachment and Entry / Josephin domain DUBs / ERAD pathway / lipid droplet / N-glycan trimming in the ER and Calnexin/Calreticulin cycle / proteasome complex / viral genome replication / Hh mutants are degraded by ERAD / Hedgehog ligand biogenesis / Defective CFTR causes cystic fibrosis / Translesion Synthesis by POLH / negative regulation of smoothened signaling pathway / macroautophagy / positive regulation of protein-containing complex assembly / ABC-family proteins mediated transport / establishment of protein localization / positive regulation of non-canonical NF-kappaB signal transduction / ADP binding / autophagy / Aggrephagy / Ovarian tumor domain proteases / KEAP1-NFE2L2 pathway / cytoplasmic stress granule / positive regulation of protein catabolic process / azurophil granule lumen / positive regulation of canonical Wnt signaling pathway / E3 ubiquitin ligases ubiquitinate target proteins / positive regulation of proteasomal ubiquitin-dependent protein catabolic process / site of double-strand break / double-strand break repair / Neddylation / cellular response to heat / ubiquitin-dependent protein catabolic process / protein phosphatase binding / secretory granule lumen / regulation of apoptotic process / proteasome-mediated ubiquitin-dependent protein catabolic process / ficolin-1-rich granule lumen / Attachment and Entry / protein ubiquitination / ciliary basal body / protein domain specific binding / DNA repair / intracellular membrane-bounded organelle / ubiquitin protein ligase binding / lipid binding / DNA damage response / endoplasmic reticulum membrane / Neutrophil degranulation / perinuclear region of cytoplasm / glutamatergic synapse / endoplasmic reticulum / protein-containing complex / ATP hydrolysis activity / RNA binding Similarity search - Function | ||||||
Biological species | ![]() ![]() ![]() | ||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.09 Å | ||||||
![]() | Pan, M. / Yu, Y. / Liu, L. / Zhao, M. | ||||||
![]() | ![]() Title: Mechanistic insight into substrate processing and allosteric inhibition of human p97. Authors: Man Pan / Yuanyuan Yu / Huasong Ai / Qingyun Zheng / Yuan Xie / Lei Liu / Minglei Zhao / ![]() ![]() Abstract: p97 processes ubiquitinated substrates and plays a central role in cellular protein homeostasis. Here, we report a series of cryo-EM structures of the substrate-engaged human p97 complex with ...p97 processes ubiquitinated substrates and plays a central role in cellular protein homeostasis. Here, we report a series of cryo-EM structures of the substrate-engaged human p97 complex with resolutions ranging from 2.9 to 3.8 Å that captured 'power-stroke'-like motions of both the D1 and D2 ATPase rings of p97. A key feature of these structures is the critical conformational changes of the intersubunit signaling (ISS) motifs, which tighten the binding of nucleotides and neighboring subunits and contribute to the spiral staircase conformation of the D1 and D2 rings. In addition, we determined the cryo-EM structure of human p97 in complex with NMS-873, a potent p97 inhibitor, at a resolution of 2.4 Å. The structures showed that NMS-873 binds at a cryptic groove in the D2 domain and interacts with the ISS motif, preventing its conformational change and thus blocking substrate translocation allosterically. | ||||||
History |
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Structure visualization
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Structure viewer | Molecule: ![]() ![]() |
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PDBx/mmCIF format | ![]() | 744 KB | Display | ![]() |
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PDB format | ![]() | 626.1 KB | Display | ![]() |
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-Validation report
Summary document | ![]() | 2 MB | Display | ![]() |
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Full document | ![]() | 2 MB | Display | |
Data in XML | ![]() | 125.9 KB | Display | |
Data in CIF | ![]() | 189.4 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 23449MC ![]() 7lmyC ![]() 7lmzC ![]() 7ln0C ![]() 7ln1C ![]() 7ln2C ![]() 7ln3C ![]() 7ln4C ![]() 7ln6C C: citing same article ( M: map data used to model this data |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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Components
#1: Protein | Mass: 89493.852 Da / Num. of mol.: 6 / Mutation: A232E/E578Q Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #2: Protein/peptide | | Mass: 1890.321 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() #3: Chemical | ChemComp-ADP / #4: Chemical | ChemComp-ATP / #5: Chemical | ChemComp-MG / Has ligand of interest | 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 p97 in complex with Npl4/Ufd1 and K48-linked polyubiquitinated Ub-Eos in the presence of ATP Type: COMPLEX / Entity ID: #1-#2 / Source: RECOMBINANT |
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Source (natural) | Organism: ![]() |
Source (recombinant) | Organism: ![]() ![]() |
Buffer solution | pH: 8 |
Specimen | Conc.: 2.5 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
Vitrification | Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 281 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 / C2 aperture diameter: 70 µm |
Image recording | Electron dose: 50 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) |
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Processing
Software | Name: PHENIX / Version: 1.19_4080: / Classification: refinement | ||||||||||||||||||||||||||||
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EM software |
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CTF correction | Type: NONE | ||||||||||||||||||||||||||||
Symmetry | Point symmetry: C1 (asymmetric) | ||||||||||||||||||||||||||||
3D reconstruction | Resolution: 3.09 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 215530 / Symmetry type: POINT | ||||||||||||||||||||||||||||
Atomic model building | Protocol: AB INITIO MODEL / Space: REAL | ||||||||||||||||||||||||||||
Refine LS restraints |
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